Bump github.com/containers/storage from 1.24.3 to 1.24.4

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.24.3 to 1.24.4.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.24.3...v1.24.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

115 files changed, 4380 insertions, 648 deletions

diff --git a/vendor/github.com/Microsoft/go-winio/go.mod b/vendor/github.com/Microsoft/go-winio/go.mod
index 50b9d6e2e..a2eb6496c 100644
--- a/vendor/github.com/Microsoft/go-winio/go.mod
+++ b/vendor/github.com/Microsoft/go-winio/go.mod
@@ -3,7 +3,7 @@ module github.com/Microsoft/go-winio
 go 1.12
 
 require (
-	github.com/pkg/errors v0.8.1
+	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.4.1
 	golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3
 )
diff --git a/vendor/github.com/Microsoft/go-winio/go.sum b/vendor/github.com/Microsoft/go-winio/go.sum
index 209aa8cf4..6da76a492 100644
--- a/vendor/github.com/Microsoft/go-winio/go.sum
+++ b/vendor/github.com/Microsoft/go-winio/go.sum
@@ -2,8 +2,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
-github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.4.1 h1:GL2rEmy6nsikmW0r8opw9JIRScdMF5hA8cOYLH7In1k=
@@ -12,7 +12,5 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b h1:ag/x1USPSsqHud38I9BAC88qdNLDHHtQ4mlgQIZPPNA=
-golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 h1:7TYNF4UdlohbFwpNH04CoPMp1cHUZgO1Ebq5r2hIjfo=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/vendor/github.com/Microsoft/go-winio/pipe.go b/vendor/github.com/Microsoft/go-winio/pipe.go
index ff96dff1c..96700a73d 100644
--- a/vendor/github.com/Microsoft/go-winio/pipe.go
+++ b/vendor/github.com/Microsoft/go-winio/pipe.go
@@ -429,10 +429,10 @@ type PipeConfig struct {
 	// when the pipe is in message mode.
 	MessageMode bool
 
-	// InputBufferSize specifies the size the input buffer, in bytes.
+	// InputBufferSize specifies the size of the input buffer, in bytes.
 	InputBufferSize int32
 
-	// OutputBufferSize specifies the size the input buffer, in bytes.
+	// OutputBufferSize specifies the size of the output buffer, in bytes.
 	OutputBufferSize int32
 }
 
diff --git a/vendor/github.com/Microsoft/go-winio/pkg/security/grantvmgroupaccess.go b/vendor/github.com/Microsoft/go-winio/pkg/security/grantvmgroupaccess.go
new file mode 100644
index 000000000..2df31b660
--- /dev/null
+++ b/vendor/github.com/Microsoft/go-winio/pkg/security/grantvmgroupaccess.go
@@ -0,0 +1,159 @@
+package security
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+
+	"github.com/pkg/errors"
+)
+
+type (
+	accessMask          uint32
+	accessMode          uint32
+	desiredAccess       uint32
+	inheritMode         uint32
+	objectType          uint32
+	shareMode           uint32
+	securityInformation uint32
+	trusteeForm         uint32
+	trusteeType         uint32
+
+	explicitAccess struct {
+		accessPermissions accessMask
+		accessMode        accessMode
+		inheritance       inheritMode
+		trustee           trustee
+	}
+
+	trustee struct {
+		multipleTrustee          *trustee
+		multipleTrusteeOperation int32
+		trusteeForm              trusteeForm
+		trusteeType              trusteeType
+		name                     uintptr
+	}
+)
+
+const (
+	accessMaskDesiredPermission accessMask = 1 << 31 // GENERIC_READ
+
+	accessModeGrant accessMode = 1
+
+	desiredAccessReadControl desiredAccess = 0x20000
+	desiredAccessWriteDac    desiredAccess = 0x40000
+
+	gvmga = "GrantVmGroupAccess:"
+
+	inheritModeNoInheritance                  inheritMode = 0x0
+	inheritModeSubContainersAndObjectsInherit inheritMode = 0x3
+
+	objectTypeFileObject objectType = 0x1
+
+	securityInformationDACL securityInformation = 0x4
+
+	shareModeRead  shareMode = 0x1
+	shareModeWrite shareMode = 0x2
+
+	sidVmGroup = "S-1-5-83-0"
+
+	trusteeFormIsSid trusteeForm = 0
+
+	trusteeTypeWellKnownGroup trusteeType = 5
+)
+
+// GrantVMGroupAccess sets the DACL for a specified file or directory to
+// include Grant ACE entries for the VM Group SID. This is a golang re-
+// implementation of the same function in vmcompute, just not exported in
+// RS5. Which kind of sucks. Sucks a lot :/
+func GrantVmGroupAccess(name string) error {
+	// Stat (to determine if `name` is a directory).
+	s, err := os.Stat(name)
+	if err != nil {
+		return errors.Wrapf(err, "%s os.Stat %s", gvmga, name)
+	}
+
+	// Get a handle to the file/directory. Must defer Close on success.
+	fd, err := createFile(name, s.IsDir())
+	if err != nil {
+		return err // Already wrapped
+	}
+	defer syscall.CloseHandle(fd)
+
+	// Get the current DACL and Security Descriptor. Must defer LocalFree on success.
+	ot := objectTypeFileObject
+	si := securityInformationDACL
+	sd := uintptr(0)
+	origDACL := uintptr(0)
+	if err := getSecurityInfo(fd, uint32(ot), uint32(si), nil, nil, &origDACL, nil, &sd); err != nil {
+		return errors.Wrapf(err, "%s GetSecurityInfo %s", gvmga, name)
+	}
+	defer syscall.LocalFree((syscall.Handle)(unsafe.Pointer(sd)))
+
+	// Generate a new DACL which is the current DACL with the required ACEs added.
+	// Must defer LocalFree on success.
+	newDACL, err := generateDACLWithAcesAdded(name, s.IsDir(), origDACL)
+	if err != nil {
+		return err // Already wrapped
+	}
+	defer syscall.LocalFree((syscall.Handle)(unsafe.Pointer(newDACL)))
+
+	// And finally use SetSecurityInfo to apply the updated DACL.
+	if err := setSecurityInfo(fd, uint32(ot), uint32(si), uintptr(0), uintptr(0), newDACL, uintptr(0)); err != nil {
+		return errors.Wrapf(err, "%s SetSecurityInfo %s", gvmga, name)
+	}
+
+	return nil
+}
+
+// createFile is a helper function to call [Nt]CreateFile to get a handle to
+// the file or directory.
+func createFile(name string, isDir bool) (syscall.Handle, error) {
+	namep := syscall.StringToUTF16(name)
+	da := uint32(desiredAccessReadControl | desiredAccessWriteDac)
+	sm := uint32(shareModeRead | shareModeWrite)
+	fa := uint32(syscall.FILE_ATTRIBUTE_NORMAL)
+	if isDir {
+		fa = uint32(fa | syscall.FILE_FLAG_BACKUP_SEMANTICS)
+	}
+	fd, err := syscall.CreateFile(&namep[0], da, sm, nil, syscall.OPEN_EXISTING, fa, 0)
+	if err != nil {
+		return 0, errors.Wrapf(err, "%s syscall.CreateFile %s", gvmga, name)
+	}
+	return fd, nil
+}
+
+// generateDACLWithAcesAdded generates a new DACL with the two needed ACEs added.
+// The caller is responsible for LocalFree of the returned DACL on success.
+func generateDACLWithAcesAdded(name string, isDir bool, origDACL uintptr) (uintptr, error) {
+	// Generate pointers to the SIDs based on the string SIDs
+	sid, err := syscall.StringToSid(sidVmGroup)
+	if err != nil {
+		return 0, errors.Wrapf(err, "%s syscall.StringToSid %s %s", gvmga, name, sidVmGroup)
+	}
+
+	inheritance := inheritModeNoInheritance
+	if isDir {
+		inheritance = inheritModeSubContainersAndObjectsInherit
+	}
+
+	eaArray := []explicitAccess{
+		explicitAccess{
+			accessPermissions: accessMaskDesiredPermission,
+			accessMode:        accessModeGrant,
+			inheritance:       inheritance,
+			trustee: trustee{
+				trusteeForm: trusteeFormIsSid,
+				trusteeType: trusteeTypeWellKnownGroup,
+				name:        uintptr(unsafe.Pointer(sid)),
+			},
+		},
+	}
+
+	modifiedDACL := uintptr(0)
+	if err := setEntriesInAcl(uintptr(uint32(1)), uintptr(unsafe.Pointer(&eaArray[0])), origDACL, &modifiedDACL); err != nil {
+		return 0, errors.Wrapf(err, "%s SetEntriesInAcl %s", gvmga, name)
+	}
+
+	return modifiedDACL, nil
+}
diff --git a/vendor/github.com/Microsoft/go-winio/pkg/security/syscall_windows.go b/vendor/github.com/Microsoft/go-winio/pkg/security/syscall_windows.go
new file mode 100644
index 000000000..c40c2739b
--- /dev/null
+++ b/vendor/github.com/Microsoft/go-winio/pkg/security/syscall_windows.go
@@ -0,0 +1,7 @@
+package security
+
+//go:generate go run mksyscall_windows.go -output zsyscall_windows.go syscall_windows.go
+
+//sys getSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, ppsidOwner **uintptr, ppsidGroup **uintptr, ppDacl *uintptr, ppSacl *uintptr, ppSecurityDescriptor *uintptr) (err error) [failretval!=0] = advapi32.GetSecurityInfo
+//sys setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOwner uintptr, psidGroup uintptr, pDacl uintptr, pSacl uintptr) (err error) [failretval!=0] = advapi32.SetSecurityInfo
+//sys setEntriesInAcl(count uintptr, pListOfEEs uintptr, oldAcl uintptr, newAcl *uintptr) (err error) [failretval!=0] = advapi32.SetEntriesInAclW
diff --git a/vendor/github.com/Microsoft/go-winio/pkg/security/zsyscall_windows.go b/vendor/github.com/Microsoft/go-winio/pkg/security/zsyscall_windows.go
new file mode 100644
index 000000000..0f0c0deff
--- /dev/null
+++ b/vendor/github.com/Microsoft/go-winio/pkg/security/zsyscall_windows.go
@@ -0,0 +1,81 @@
+// Code generated mksyscall_windows.exe DO NOT EDIT
+
+package security
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return nil
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+
+	procGetSecurityInfo  = modadvapi32.NewProc("GetSecurityInfo")
+	procSetSecurityInfo  = modadvapi32.NewProc("SetSecurityInfo")
+	procSetEntriesInAclW = modadvapi32.NewProc("SetEntriesInAclW")
+)
+
+func getSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, ppsidOwner **uintptr, ppsidGroup **uintptr, ppDacl *uintptr, ppSacl *uintptr, ppSecurityDescriptor *uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall9(procGetSecurityInfo.Addr(), 8, uintptr(handle), uintptr(objectType), uintptr(si), uintptr(unsafe.Pointer(ppsidOwner)), uintptr(unsafe.Pointer(ppsidGroup)), uintptr(unsafe.Pointer(ppDacl)), uintptr(unsafe.Pointer(ppSacl)), uintptr(unsafe.Pointer(ppSecurityDescriptor)), 0)
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOwner uintptr, psidGroup uintptr, pDacl uintptr, pSacl uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall9(procSetSecurityInfo.Addr(), 7, uintptr(handle), uintptr(objectType), uintptr(si), uintptr(psidOwner), uintptr(psidGroup), uintptr(pDacl), uintptr(pSacl), 0, 0)
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func setEntriesInAcl(count uintptr, pListOfEEs uintptr, oldAcl uintptr, newAcl *uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall6(procSetEntriesInAclW.Addr(), 4, uintptr(count), uintptr(pListOfEEs), uintptr(oldAcl), uintptr(unsafe.Pointer(newAcl)), 0, 0)
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
diff --git a/vendor/github.com/Microsoft/go-winio/vhd/vhd.go b/vendor/github.com/Microsoft/go-winio/vhd/vhd.go
index 229ac2556..91083a388 100644
--- a/vendor/github.com/Microsoft/go-winio/vhd/vhd.go
+++ b/vendor/github.com/Microsoft/go-winio/vhd/vhd.go
@@ -2,150 +2,323 @@
 
 package vhd
 
-import "syscall"
+import (
+	"fmt"
+	"syscall"
+
+	"github.com/Microsoft/go-winio/pkg/guid"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)
 
 //go:generate go run mksyscall_windows.go -output zvhd.go vhd.go
 
-//sys createVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, flags uint32, providerSpecificFlags uint32, parameters *createVirtualDiskParameters, o *syscall.Overlapped, handle *syscall.Handle) (err error) [failretval != 0] = VirtDisk.CreateVirtualDisk
-//sys openVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, flags uint32, parameters *openVirtualDiskParameters, handle *syscall.Handle) (err error) [failretval != 0] = VirtDisk.OpenVirtualDisk
-//sys detachVirtualDisk(handle syscall.Handle, flags uint32, providerSpecificFlags uint32) (err error) [failretval != 0] = VirtDisk.DetachVirtualDisk
-
-type virtualStorageType struct {
-	DeviceID uint32
-	VendorID [16]byte
-}
+//sys createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) [failretval != 0] = virtdisk.CreateVirtualDisk
+//sys openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) [failretval != 0] = virtdisk.OpenVirtualDisk
+//sys attachVirtualDisk(handle syscall.Handle, securityDescriptor *uintptr, attachVirtualDiskFlag uint32, providerSpecificFlags uint32, parameters *AttachVirtualDiskParameters, overlapped *syscall.Overlapped) (err error) [failretval != 0] = virtdisk.AttachVirtualDisk
+//sys detachVirtualDisk(handle syscall.Handle, detachVirtualDiskFlags uint32, providerSpecificFlags uint32) (err error) [failretval != 0] = virtdisk.DetachVirtualDisk
+//sys getVirtualDiskPhysicalPath(handle syscall.Handle, diskPathSizeInBytes *uint32, buffer *uint16) (err error) [failretval != 0] = virtdisk.GetVirtualDiskPhysicalPath
 
 type (
-	createVirtualDiskFlag uint32
-	VirtualDiskAccessMask uint32
+	CreateVirtualDiskFlag uint32
 	VirtualDiskFlag       uint32
+	AttachVirtualDiskFlag uint32
+	DetachVirtualDiskFlag uint32
+	VirtualDiskAccessMask uint32
 )
 
-const (
-	// Flags for creating a VHD (not exported)
-	createVirtualDiskFlagNone                        createVirtualDiskFlag = 0
-	createVirtualDiskFlagFullPhysicalAllocation      createVirtualDiskFlag = 1
-	createVirtualDiskFlagPreventWritesToSourceDisk   createVirtualDiskFlag = 2
-	createVirtualDiskFlagDoNotCopyMetadataFromParent createVirtualDiskFlag = 4
-
-	// Access Mask for opening a VHD
-	VirtualDiskAccessNone     VirtualDiskAccessMask = 0
-	VirtualDiskAccessAttachRO VirtualDiskAccessMask = 65536
-	VirtualDiskAccessAttachRW VirtualDiskAccessMask = 131072
-	VirtualDiskAccessDetach   VirtualDiskAccessMask = 262144
-	VirtualDiskAccessGetInfo  VirtualDiskAccessMask = 524288
-	VirtualDiskAccessCreate   VirtualDiskAccessMask = 1048576
-	VirtualDiskAccessMetaOps  VirtualDiskAccessMask = 2097152
-	VirtualDiskAccessRead     VirtualDiskAccessMask = 851968
-	VirtualDiskAccessAll      VirtualDiskAccessMask = 4128768
-	VirtualDiskAccessWritable VirtualDiskAccessMask = 3276800
-
-	// Flags for opening a VHD
-	OpenVirtualDiskFlagNone                        VirtualDiskFlag = 0
-	OpenVirtualDiskFlagNoParents                   VirtualDiskFlag = 0x1
-	OpenVirtualDiskFlagBlankFile                   VirtualDiskFlag = 0x2
-	OpenVirtualDiskFlagBootDrive                   VirtualDiskFlag = 0x4
-	OpenVirtualDiskFlagCachedIO                    VirtualDiskFlag = 0x8
-	OpenVirtualDiskFlagCustomDiffChain             VirtualDiskFlag = 0x10
-	OpenVirtualDiskFlagParentCachedIO              VirtualDiskFlag = 0x20
-	OpenVirtualDiskFlagVhdSetFileOnly              VirtualDiskFlag = 0x40
-	OpenVirtualDiskFlagIgnoreRelativeParentLocator VirtualDiskFlag = 0x80
-	OpenVirtualDiskFlagNoWriteHardening            VirtualDiskFlag = 0x100
-)
+type VirtualStorageType struct {
+	DeviceID uint32
+	VendorID guid.GUID
+}
 
-type createVersion2 struct {
-	UniqueID                 [16]byte // GUID
+type CreateVersion2 struct {
+	UniqueID                 guid.GUID
 	MaximumSize              uint64
 	BlockSizeInBytes         uint32
 	SectorSizeInBytes        uint32
+	PhysicalSectorSizeInByte uint32
 	ParentPath               *uint16 // string
 	SourcePath               *uint16 // string
 	OpenFlags                uint32
-	ParentVirtualStorageType virtualStorageType
-	SourceVirtualStorageType virtualStorageType
-	ResiliencyGUID           [16]byte // GUID
+	ParentVirtualStorageType VirtualStorageType
+	SourceVirtualStorageType VirtualStorageType
+	ResiliencyGUID           guid.GUID
 }
 
-type createVirtualDiskParameters struct {
+type CreateVirtualDiskParameters struct {
 	Version  uint32 // Must always be set to 2
-	Version2 createVersion2
+	Version2 CreateVersion2
 }
 
-type openVersion2 struct {
-	GetInfoOnly    int32    // bool but 4-byte aligned
-	ReadOnly       int32    // bool but 4-byte aligned
-	ResiliencyGUID [16]byte // GUID
+type OpenVersion2 struct {
+	GetInfoOnly    bool
+	ReadOnly       bool
+	ResiliencyGUID guid.GUID
 }
 
-type openVirtualDiskParameters struct {
+type OpenVirtualDiskParameters struct {
 	Version  uint32 // Must always be set to 2
-	Version2 openVersion2
+	Version2 OpenVersion2
 }
 
-// CreateVhdx will create a simple vhdx file at the given path using default values.
-func CreateVhdx(path string, maxSizeInGb, blockSizeInMb uint32) error {
-	var (
-		defaultType virtualStorageType
-		handle      syscall.Handle
-	)
+type AttachVersion2 struct {
+	RestrictedOffset uint64
+	RestrictedLength uint64
+}
+
+type AttachVirtualDiskParameters struct {
+	Version  uint32 // Must always be set to 2
+	Version2 AttachVersion2
+}
+
+const (
+	VIRTUAL_STORAGE_TYPE_DEVICE_VHDX = 0x3
+
+	// Access Mask for opening a VHD
+	VirtualDiskAccessNone     VirtualDiskAccessMask = 0x00000000
+	VirtualDiskAccessAttachRO VirtualDiskAccessMask = 0x00010000
+	VirtualDiskAccessAttachRW VirtualDiskAccessMask = 0x00020000
+	VirtualDiskAccessDetach   VirtualDiskAccessMask = 0x00040000
+	VirtualDiskAccessGetInfo  VirtualDiskAccessMask = 0x00080000
+	VirtualDiskAccessCreate   VirtualDiskAccessMask = 0x00100000
+	VirtualDiskAccessMetaOps  VirtualDiskAccessMask = 0x00200000
+	VirtualDiskAccessRead     VirtualDiskAccessMask = 0x000d0000
+	VirtualDiskAccessAll      VirtualDiskAccessMask = 0x003f0000
+	VirtualDiskAccessWritable VirtualDiskAccessMask = 0x00320000
 
-	parameters := createVirtualDiskParameters{
+	// Flags for creating a VHD
+	CreateVirtualDiskFlagNone                              CreateVirtualDiskFlag = 0x0
+	CreateVirtualDiskFlagFullPhysicalAllocation            CreateVirtualDiskFlag = 0x1
+	CreateVirtualDiskFlagPreventWritesToSourceDisk         CreateVirtualDiskFlag = 0x2
+	CreateVirtualDiskFlagDoNotCopyMetadataFromParent       CreateVirtualDiskFlag = 0x4
+	CreateVirtualDiskFlagCreateBackingStorage              CreateVirtualDiskFlag = 0x8
+	CreateVirtualDiskFlagUseChangeTrackingSourceLimit      CreateVirtualDiskFlag = 0x10
+	CreateVirtualDiskFlagPreserveParentChangeTrackingState CreateVirtualDiskFlag = 0x20
+	CreateVirtualDiskFlagVhdSetUseOriginalBackingStorage   CreateVirtualDiskFlag = 0x40
+	CreateVirtualDiskFlagSparseFile                        CreateVirtualDiskFlag = 0x80
+	CreateVirtualDiskFlagPmemCompatible                    CreateVirtualDiskFlag = 0x100
+	CreateVirtualDiskFlagSupportCompressedVolumes          CreateVirtualDiskFlag = 0x200
+
+	// Flags for opening a VHD
+	OpenVirtualDiskFlagNone                        VirtualDiskFlag = 0x00000000
+	OpenVirtualDiskFlagNoParents                   VirtualDiskFlag = 0x00000001
+	OpenVirtualDiskFlagBlankFile                   VirtualDiskFlag = 0x00000002
+	OpenVirtualDiskFlagBootDrive                   VirtualDiskFlag = 0x00000004
+	OpenVirtualDiskFlagCachedIO                    VirtualDiskFlag = 0x00000008
+	OpenVirtualDiskFlagCustomDiffChain             VirtualDiskFlag = 0x00000010
+	OpenVirtualDiskFlagParentCachedIO              VirtualDiskFlag = 0x00000020
+	OpenVirtualDiskFlagVhdsetFileOnly              VirtualDiskFlag = 0x00000040
+	OpenVirtualDiskFlagIgnoreRelativeParentLocator VirtualDiskFlag = 0x00000080
+	OpenVirtualDiskFlagNoWriteHardening            VirtualDiskFlag = 0x00000100
+	OpenVirtualDiskFlagSupportCompressedVolumes    VirtualDiskFlag = 0x00000200
+
+	// Flags for attaching a VHD
+	AttachVirtualDiskFlagNone                          AttachVirtualDiskFlag = 0x00000000
+	AttachVirtualDiskFlagReadOnly                      AttachVirtualDiskFlag = 0x00000001
+	AttachVirtualDiskFlagNoDriveLetter                 AttachVirtualDiskFlag = 0x00000002
+	AttachVirtualDiskFlagPermanentLifetime             AttachVirtualDiskFlag = 0x00000004
+	AttachVirtualDiskFlagNoLocalHost                   AttachVirtualDiskFlag = 0x00000008
+	AttachVirtualDiskFlagNoSecurityDescriptor          AttachVirtualDiskFlag = 0x00000010
+	AttachVirtualDiskFlagBypassDefaultEncryptionPolicy AttachVirtualDiskFlag = 0x00000020
+	AttachVirtualDiskFlagNonPnp                        AttachVirtualDiskFlag = 0x00000040
+	AttachVirtualDiskFlagRestrictedRange               AttachVirtualDiskFlag = 0x00000080
+	AttachVirtualDiskFlagSinglePartition               AttachVirtualDiskFlag = 0x00000100
+	AttachVirtualDiskFlagRegisterVolume                AttachVirtualDiskFlag = 0x00000200
+
+	// Flags for detaching a VHD
+	DetachVirtualDiskFlagNone DetachVirtualDiskFlag = 0x0
+)
+
+// CreateVhdx is a helper function to create a simple vhdx file at the given path using
+// default values.
+func CreateVhdx(path string, maxSizeInGb, blockSizeInMb uint32) error {
+	params := CreateVirtualDiskParameters{
 		Version: 2,
-		Version2: createVersion2{
+		Version2: CreateVersion2{
 			MaximumSize:      uint64(maxSizeInGb) * 1024 * 1024 * 1024,
 			BlockSizeInBytes: blockSizeInMb * 1024 * 1024,
 		},
 	}
 
-	if err := createVirtualDisk(
-		&defaultType,
-		path,
-		uint32(VirtualDiskAccessNone),
-		nil,
-		uint32(createVirtualDiskFlagNone),
-		0,
-		&parameters,
-		nil,
-		&handle); err != nil {
+	handle, err := CreateVirtualDisk(path, VirtualDiskAccessNone, CreateVirtualDiskFlagNone, &params)
+	if err != nil {
 		return err
 	}
 
 	if err := syscall.CloseHandle(handle); err != nil {
 		return err
 	}
+	return nil
+}
 
+// DetachVirtualDisk detaches a virtual hard disk by handle.
+func DetachVirtualDisk(handle syscall.Handle) (err error) {
+	if err := detachVirtualDisk(handle, 0, 0); err != nil {
+		return errors.Wrap(err, "failed to detach virtual disk")
+	}
 	return nil
 }
 
-// DetachVhd detaches a mounted container layer vhd found at `path`.
+// DetachVhd detaches a vhd found at `path`.
 func DetachVhd(path string) error {
 	handle, err := OpenVirtualDisk(
 		path,
 		VirtualDiskAccessNone,
-		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator)
+		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator,
+	)
+	if err != nil {
+		return err
+	}
+	defer syscall.CloseHandle(handle)
+	return DetachVirtualDisk(handle)
+}
+
+// AttachVirtualDisk attaches a virtual hard disk for use.
+func AttachVirtualDisk(handle syscall.Handle, attachVirtualDiskFlag AttachVirtualDiskFlag, parameters *AttachVirtualDiskParameters) (err error) {
+	if parameters.Version != 2 {
+		return fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+	if err := attachVirtualDisk(
+		handle,
+		nil,
+		uint32(attachVirtualDiskFlag),
+		0,
+		parameters,
+		nil,
+	); err != nil {
+		return errors.Wrap(err, "failed to attach virtual disk")
+	}
+	return nil
+}
 
+// AttachVhd attaches a virtual hard disk at `path` for use.
+func AttachVhd(path string) (err error) {
+	handle, err := OpenVirtualDisk(
+		path,
+		VirtualDiskAccessNone,
+		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator,
+	)
 	if err != nil {
 		return err
 	}
+
 	defer syscall.CloseHandle(handle)
-	return detachVirtualDisk(handle, 0, 0)
+	params := AttachVirtualDiskParameters{Version: 2}
+	if err := AttachVirtualDisk(
+		handle,
+		AttachVirtualDiskFlagNone,
+		&params,
+	); err != nil {
+		return errors.Wrap(err, "failed to attach virtual disk")
+	}
+	return nil
 }
 
 // OpenVirtualDisk obtains a handle to a VHD opened with supplied access mask and flags.
-func OpenVirtualDisk(path string, accessMask VirtualDiskAccessMask, flag VirtualDiskFlag) (syscall.Handle, error) {
+func OpenVirtualDisk(vhdPath string, virtualDiskAccessMask VirtualDiskAccessMask, openVirtualDiskFlags VirtualDiskFlag) (syscall.Handle, error) {
+	parameters := OpenVirtualDiskParameters{Version: 2}
+	handle, err := OpenVirtualDiskWithParameters(
+		vhdPath,
+		virtualDiskAccessMask,
+		openVirtualDiskFlags,
+		&parameters,
+	)
+	if err != nil {
+		return 0, err
+	}
+	return handle, nil
+}
+
+// OpenVirtualDiskWithParameters obtains a handle to a VHD opened with supplied access mask, flags and parameters.
+func OpenVirtualDiskWithParameters(vhdPath string, virtualDiskAccessMask VirtualDiskAccessMask, openVirtualDiskFlags VirtualDiskFlag, parameters *OpenVirtualDiskParameters) (syscall.Handle, error) {
 	var (
-		defaultType virtualStorageType
 		handle      syscall.Handle
+		defaultType VirtualStorageType
 	)
-	parameters := openVirtualDiskParameters{Version: 2}
+	if parameters.Version != 2 {
+		return handle, fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
 	if err := openVirtualDisk(
 		&defaultType,
+		vhdPath,
+		uint32(virtualDiskAccessMask),
+		uint32(openVirtualDiskFlags),
+		parameters,
+		&handle,
+	); err != nil {
+		return 0, errors.Wrap(err, "failed to open virtual disk")
+	}
+	return handle, nil
+}
+
+// CreateVirtualDisk creates a virtual harddisk and returns a handle to the disk.
+func CreateVirtualDisk(path string, virtualDiskAccessMask VirtualDiskAccessMask, createVirtualDiskFlags CreateVirtualDiskFlag, parameters *CreateVirtualDiskParameters) (syscall.Handle, error) {
+	var (
+		handle      syscall.Handle
+		defaultType VirtualStorageType
+	)
+	if parameters.Version != 2 {
+		return handle, fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+
+	if err := createVirtualDisk(
+		&defaultType,
 		path,
-		uint32(accessMask),
-		uint32(flag),
-		&parameters,
-		&handle); err != nil {
-		return 0, err
+		uint32(virtualDiskAccessMask),
+		nil,
+		uint32(createVirtualDiskFlags),
+		0,
+		parameters,
+		nil,
+		&handle,
+	); err != nil {
+		return handle, errors.Wrap(err, "failed to create virtual disk")
 	}
 	return handle, nil
 }
+
+// GetVirtualDiskPhysicalPath takes a handle to a virtual hard disk and returns the physical
+// path of the disk on the machine. This path is in the form \\.\PhysicalDriveX where X is an integer
+// that represents the particular enumeration of the physical disk on the caller's system.
+func GetVirtualDiskPhysicalPath(handle syscall.Handle) (_ string, err error) {
+	var (
+		diskPathSizeInBytes uint32 = 256 * 2 // max path length 256 wide chars
+		diskPhysicalPathBuf [256]uint16
+	)
+	if err := getVirtualDiskPhysicalPath(
+		handle,
+		&diskPathSizeInBytes,
+		&diskPhysicalPathBuf[0],
+	); err != nil {
+		return "", errors.Wrap(err, "failed to get disk physical path")
+	}
+	return windows.UTF16ToString(diskPhysicalPathBuf[:]), nil
+}
+
+// CreateDiffVhd is a helper function to create a differencing virtual disk.
+func CreateDiffVhd(diffVhdPath, baseVhdPath string, blockSizeInMB uint32) error {
+	// Setting `ParentPath` is how to signal to create a differencing disk.
+	createParams := &CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: CreateVersion2{
+			ParentPath:       windows.StringToUTF16Ptr(baseVhdPath),
+			BlockSizeInBytes: blockSizeInMB * 1024 * 1024,
+			OpenFlags:        uint32(OpenVirtualDiskFlagCachedIO),
+		},
+	}
+
+	vhdHandle, err := CreateVirtualDisk(
+		diffVhdPath,
+		VirtualDiskAccessNone,
+		CreateVirtualDiskFlagNone,
+		createParams,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create differencing vhd: %s", err)
+	}
+	if err := syscall.CloseHandle(vhdHandle); err != nil {
+		return fmt.Errorf("failed to close differencing vhd handle: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/go-winio/vhd/zvhd.go b/vendor/github.com/Microsoft/go-winio/vhd/zvhd.go
index 00599ea49..54c94db77 100644
--- a/vendor/github.com/Microsoft/go-winio/vhd/zvhd.go
+++ b/vendor/github.com/Microsoft/go-winio/vhd/zvhd.go
@@ -37,24 +37,26 @@ func errnoErr(e syscall.Errno) error {
 }
 
 var (
-	modVirtDisk = windows.NewLazySystemDLL("VirtDisk.dll")
+	modvirtdisk = windows.NewLazySystemDLL("virtdisk.dll")
 
-	procCreateVirtualDisk = modVirtDisk.NewProc("CreateVirtualDisk")
-	procOpenVirtualDisk   = modVirtDisk.NewProc("OpenVirtualDisk")
-	procDetachVirtualDisk = modVirtDisk.NewProc("DetachVirtualDisk")
+	procCreateVirtualDisk          = modvirtdisk.NewProc("CreateVirtualDisk")
+	procOpenVirtualDisk            = modvirtdisk.NewProc("OpenVirtualDisk")
+	procAttachVirtualDisk          = modvirtdisk.NewProc("AttachVirtualDisk")
+	procDetachVirtualDisk          = modvirtdisk.NewProc("DetachVirtualDisk")
+	procGetVirtualDiskPhysicalPath = modvirtdisk.NewProc("GetVirtualDiskPhysicalPath")
 )
 
-func createVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, flags uint32, providerSpecificFlags uint32, parameters *createVirtualDiskParameters, o *syscall.Overlapped, handle *syscall.Handle) (err error) {
+func createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) {
 	var _p0 *uint16
 	_p0, err = syscall.UTF16PtrFromString(path)
 	if err != nil {
 		return
 	}
-	return _createVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, securityDescriptor, flags, providerSpecificFlags, parameters, o, handle)
+	return _createVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, securityDescriptor, createVirtualDiskFlags, providerSpecificFlags, parameters, overlapped, handle)
 }
 
-func _createVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, virtualDiskAccessMask uint32, securityDescriptor *uintptr, flags uint32, providerSpecificFlags uint32, parameters *createVirtualDiskParameters, o *syscall.Overlapped, handle *syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall9(procCreateVirtualDisk.Addr(), 9, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(flags), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(handle)))
+func _createVirtualDisk(virtualStorageType *VirtualStorageType, path *uint16, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall9(procCreateVirtualDisk.Addr(), 9, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(createVirtualDiskFlags), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(handle)))
 	if r1 != 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
@@ -65,17 +67,17 @@ func _createVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, vi
 	return
 }
 
-func openVirtualDisk(virtualStorageType *virtualStorageType, path string, virtualDiskAccessMask uint32, flags uint32, parameters *openVirtualDiskParameters, handle *syscall.Handle) (err error) {
+func openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) {
 	var _p0 *uint16
 	_p0, err = syscall.UTF16PtrFromString(path)
 	if err != nil {
 		return
 	}
-	return _openVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, flags, parameters, handle)
+	return _openVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, openVirtualDiskFlags, parameters, handle)
 }
 
-func _openVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, virtualDiskAccessMask uint32, flags uint32, parameters *openVirtualDiskParameters, handle *syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall6(procOpenVirtualDisk.Addr(), 6, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(flags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(handle)))
+func _openVirtualDisk(virtualStorageType *VirtualStorageType, path *uint16, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall6(procOpenVirtualDisk.Addr(), 6, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(openVirtualDiskFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(handle)))
 	if r1 != 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
@@ -86,8 +88,32 @@ func _openVirtualDisk(virtualStorageType *virtualStorageType, path *uint16, virt
 	return
 }
 
-func detachVirtualDisk(handle syscall.Handle, flags uint32, providerSpecificFlags uint32) (err error) {
-	r1, _, e1 := syscall.Syscall(procDetachVirtualDisk.Addr(), 3, uintptr(handle), uintptr(flags), uintptr(providerSpecificFlags))
+func attachVirtualDisk(handle syscall.Handle, securityDescriptor *uintptr, attachVirtualDiskFlag uint32, providerSpecificFlags uint32, parameters *AttachVirtualDiskParameters, overlapped *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall6(procAttachVirtualDisk.Addr(), 6, uintptr(handle), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(attachVirtualDiskFlag), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(overlapped)))
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func detachVirtualDisk(handle syscall.Handle, detachVirtualDiskFlags uint32, providerSpecificFlags uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procDetachVirtualDisk.Addr(), 3, uintptr(handle), uintptr(detachVirtualDiskFlags), uintptr(providerSpecificFlags))
+	if r1 != 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func getVirtualDiskPhysicalPath(handle syscall.Handle, diskPathSizeInBytes *uint32, buffer *uint16) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetVirtualDiskPhysicalPath.Addr(), 3, uintptr(handle), uintptr(unsafe.Pointer(diskPathSizeInBytes)), uintptr(unsafe.Pointer(buffer)))
 	if r1 != 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
diff --git a/vendor/github.com/Microsoft/hcsshim/.gitattributes b/vendor/github.com/Microsoft/hcsshim/.gitattributes
new file mode 100644
index 000000000..94f480de9
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/.gitattributes
@@ -0,0 +1 @@
+* text=auto eol=lf
\ No newline at end of file
diff --git a/vendor/github.com/Microsoft/hcsshim/CODEOWNERS b/vendor/github.com/Microsoft/hcsshim/CODEOWNERS
index 1a59c8021..87f49df31 100644
--- a/vendor/github.com/Microsoft/hcsshim/CODEOWNERS
+++ b/vendor/github.com/Microsoft/hcsshim/CODEOWNERS
@@ -1,3 +1,3 @@
-* @microsoft/containerplat

-

+* @microsoft/containerplat
+
 /hcn/* @nagiesek
\ No newline at end of file
diff --git a/vendor/github.com/Microsoft/hcsshim/appveyor.yml b/vendor/github.com/Microsoft/hcsshim/appveyor.yml
index 6617fade0..bd3f18f07 100644
--- a/vendor/github.com/Microsoft/hcsshim/appveyor.yml
+++ b/vendor/github.com/Microsoft/hcsshim/appveyor.yml
@@ -18,6 +18,7 @@ build_script:
   - go build ./cmd/runhcs
   - go build ./cmd/tar2ext4
   - go build ./cmd/wclayer
+  - go build ./cmd/device-util
   - go build ./internal/tools/grantvmgroupaccess 
   - go build ./internal/tools/uvmboot
   - go build ./internal/tools/zapdir
@@ -33,6 +34,7 @@ artifacts:
   - path: 'containerd-shim-runhcs-v1.exe'
   - path: 'runhcs.exe'
   - path: 'tar2ext4.exe'
+  - path: 'device-util.exe'
   - path: 'wclayer.exe'
   - path: 'grantvmgroupaccess.exe'  
   - path: 'uvmboot.exe'
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/attach.go b/vendor/github.com/Microsoft/hcsshim/computestorage/attach.go
new file mode 100644
index 000000000..56901d926
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/attach.go
@@ -0,0 +1,38 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// AttachLayerStorageFilter sets up the layer storage filter on a writable
+// container layer.
+//
+// `layerPath` is a path to a directory the writable layer is mounted. If the
+// path does not end in a `\` the platform will append it automatically.
+//
+// `layerData` is the parent read-only layer data.
+func AttachLayerStorageFilter(ctx context.Context, layerPath string, layerData LayerData) (err error) {
+	title := "hcsshim.AttachLayerStorageFilter"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	err = hcsAttachLayerStorageFilter(layerPath, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to attach layer storage filter: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go b/vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go
new file mode 100644
index 000000000..ecf3b550d
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go
@@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// DestroyLayer deletes a container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+func DestroyLayer(ctx context.Context, layerPath string) (err error) {
+	title := "hcsshim.DestroyLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("layerPath", layerPath))
+
+	err = hcsDestroyLayer(layerPath)
+	if err != nil {
+		return fmt.Errorf("failed to destroy layer: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/detach.go b/vendor/github.com/Microsoft/hcsshim/computestorage/detach.go
new file mode 100644
index 000000000..2a4df4213
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/detach.go
@@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// DetachLayerStorageFilter detaches the layer storage filter on a writable container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+func DetachLayerStorageFilter(ctx context.Context, layerPath string) (err error) {
+	title := "hcsshim.DetachLayerStorageFilter"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("layerPath", layerPath))
+
+	err = hcsDetachLayerStorageFilter(layerPath)
+	if err != nil {
+		return fmt.Errorf("failed to detach layer storage filter: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/export.go b/vendor/github.com/Microsoft/hcsshim/computestorage/export.go
new file mode 100644
index 000000000..b1721ef25
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/export.go
@@ -0,0 +1,46 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// ExportLayer exports a container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+//
+// `exportFolderPath` is a pre-existing folder to export the layer to.
+//
+// `layerData` is the parent layer data.
+//
+// `options` are the export options applied to the exported layer.
+func ExportLayer(ctx context.Context, layerPath, exportFolderPath string, layerData LayerData, options ExportLayerOptions) (err error) {
+	title := "hcsshim.ExportLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("exportFolderPath", exportFolderPath),
+	)
+
+	ldbytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	obytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsExportLayer(layerPath, exportFolderPath, string(ldbytes), string(obytes))
+	if err != nil {
+		return fmt.Errorf("failed to export layer: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/format.go b/vendor/github.com/Microsoft/hcsshim/computestorage/format.go
new file mode 100644
index 000000000..2952c8a66
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/format.go
@@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// FormatWritableLayerVhd formats a virtual disk for use as a writable container layer.
+//
+// If the VHD is not mounted it will be temporarily mounted.
+func FormatWritableLayerVhd(ctx context.Context, vhdHandle windows.Handle) (err error) {
+	title := "hcsshim.FormatWritableLayerVhd"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+
+	err = hcsFormatWritableLayerVhd(vhdHandle)
+	if err != nil {
+		return fmt.Errorf("failed to format writable layer vhd: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/helpers.go b/vendor/github.com/Microsoft/hcsshim/computestorage/helpers.go
new file mode 100644
index 000000000..d31efd660
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/helpers.go
@@ -0,0 +1,197 @@
+package computestorage
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"syscall"
+
+	"github.com/Microsoft/go-winio/pkg/security"
+	"github.com/Microsoft/go-winio/vhd"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)
+
+const defaultVHDXBlockSizeInMB = 1
+
+// SetupContainerBaseLayer is a helper to setup a containers scratch. It
+// will create and format the vhdx's inside and the size is configurable with the sizeInGB
+// parameter.
+//
+// `layerPath` is the path to the base container layer on disk.
+//
+// `baseVhdPath` is the path to where the base vhdx for the base layer should be created.
+//
+// `diffVhdPath` is the path where the differencing disk for the base layer should be created.
+//
+// `sizeInGB` is the size in gigabytes to make the base vhdx.
+func SetupContainerBaseLayer(ctx context.Context, layerPath, baseVhdPath, diffVhdPath string, sizeInGB uint64) (err error) {
+	var (
+		hivesPath  = filepath.Join(layerPath, "Hives")
+		layoutPath = filepath.Join(layerPath, "Layout")
+	)
+
+	// We need to remove the hives directory and layout file as `SetupBaseOSLayer` fails if these files
+	// already exist. `SetupBaseOSLayer` will create these files internally. We also remove the base and
+	// differencing disks if they exist in case we're asking for a different size.
+	if _, err := os.Stat(hivesPath); err == nil {
+		if err := os.RemoveAll(hivesPath); err != nil {
+			return errors.Wrap(err, "failed to remove prexisting hives directory")
+		}
+	}
+	if _, err := os.Stat(layoutPath); err == nil {
+		if err := os.RemoveAll(layoutPath); err != nil {
+			return errors.Wrap(err, "failed to remove prexisting layout file")
+		}
+	}
+
+	if _, err := os.Stat(baseVhdPath); err == nil {
+		if err := os.RemoveAll(baseVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove base vhdx path")
+		}
+	}
+	if _, err := os.Stat(diffVhdPath); err == nil {
+		if err := os.RemoveAll(diffVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove differencing vhdx")
+		}
+	}
+
+	createParams := &vhd.CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: vhd.CreateVersion2{
+			MaximumSize:      sizeInGB * 1024 * 1024 * 1024,
+			BlockSizeInBytes: defaultVHDXBlockSizeInMB * 1024 * 1024,
+		},
+	}
+	handle, err := vhd.CreateVirtualDisk(baseVhdPath, vhd.VirtualDiskAccessNone, vhd.CreateVirtualDiskFlagNone, createParams)
+	if err != nil {
+		return errors.Wrap(err, "failed to create vhdx")
+	}
+
+	defer func() {
+		if err != nil {
+			syscall.CloseHandle(handle)
+			os.RemoveAll(baseVhdPath)
+			if os.Stat(diffVhdPath); err == nil {
+				os.RemoveAll(diffVhdPath)
+			}
+		}
+	}()
+
+	if err = FormatWritableLayerVhd(ctx, windows.Handle(handle)); err != nil {
+		return err
+	}
+	// Base vhd handle must be closed before calling SetupBaseLayer in case of Container layer
+	if err = syscall.CloseHandle(handle); err != nil {
+		return errors.Wrap(err, "failed to close vhdx handle")
+	}
+
+	options := OsLayerOptions{
+		Type: OsLayerTypeContainer,
+	}
+
+	// SetupBaseOSLayer expects an empty vhd handle for a container layer and will
+	// error out otherwise.
+	if err = SetupBaseOSLayer(ctx, layerPath, 0, options); err != nil {
+		return err
+	}
+	// Create the differencing disk that will be what's copied for the final rw layer
+	// for a container.
+	if err = vhd.CreateDiffVhd(diffVhdPath, baseVhdPath, defaultVHDXBlockSizeInMB); err != nil {
+		return errors.Wrap(err, "failed to create differencing disk")
+	}
+
+	if err = security.GrantVmGroupAccess(baseVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", baseVhdPath)
+	}
+	if err = security.GrantVmGroupAccess(diffVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", diffVhdPath)
+	}
+	return nil
+}
+
+// SetupUtilityVMBaseLayer is a helper to setup a UVMs scratch space. It will create and format
+// the vhdx inside and the size is configurable by the sizeInGB parameter.
+//
+// `uvmPath` is the path to the UtilityVM filesystem.
+//
+// `baseVhdPath` is the path to where the base vhdx for the UVM should be created.
+//
+// `diffVhdPath` is the path where the differencing disk for the UVM should be created.
+//
+// `sizeInGB` specifies the size in gigabytes to make the base vhdx.
+func SetupUtilityVMBaseLayer(ctx context.Context, uvmPath, baseVhdPath, diffVhdPath string, sizeInGB uint64) (err error) {
+	// Remove the base and differencing disks if they exist in case we're asking for a different size.
+	if _, err := os.Stat(baseVhdPath); err == nil {
+		if err := os.RemoveAll(baseVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove base vhdx")
+		}
+	}
+	if _, err := os.Stat(diffVhdPath); err == nil {
+		if err := os.RemoveAll(diffVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove differencing vhdx")
+		}
+	}
+
+	// Just create the vhdx for utilityVM layer, no need to format it.
+	createParams := &vhd.CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: vhd.CreateVersion2{
+			MaximumSize:      sizeInGB * 1024 * 1024 * 1024,
+			BlockSizeInBytes: defaultVHDXBlockSizeInMB * 1024 * 1024,
+		},
+	}
+	handle, err := vhd.CreateVirtualDisk(baseVhdPath, vhd.VirtualDiskAccessNone, vhd.CreateVirtualDiskFlagNone, createParams)
+	if err != nil {
+		return errors.Wrap(err, "failed to create vhdx")
+	}
+
+	defer func() {
+		if err != nil {
+			syscall.CloseHandle(handle)
+			os.RemoveAll(baseVhdPath)
+			if os.Stat(diffVhdPath); err == nil {
+				os.RemoveAll(diffVhdPath)
+			}
+		}
+	}()
+
+	// If it is a UtilityVM layer then the base vhdx must be attached when calling
+	// `SetupBaseOSLayer`
+	attachParams := &vhd.AttachVirtualDiskParameters{
+		Version: 2,
+	}
+	if err := vhd.AttachVirtualDisk(handle, vhd.AttachVirtualDiskFlagNone, attachParams); err != nil {
+		return errors.Wrapf(err, "failed to attach virtual disk")
+	}
+
+	options := OsLayerOptions{
+		Type: OsLayerTypeVM,
+	}
+	if err := SetupBaseOSLayer(ctx, uvmPath, windows.Handle(handle), options); err != nil {
+		return err
+	}
+
+	// Detach and close the handle after setting up the layer as we don't need the handle
+	// for anything else and we no longer need to be attached either.
+	if err = vhd.DetachVirtualDisk(handle); err != nil {
+		return errors.Wrap(err, "failed to detach vhdx")
+	}
+	if err = syscall.CloseHandle(handle); err != nil {
+		return errors.Wrap(err, "failed to close vhdx handle")
+	}
+
+	// Create the differencing disk that will be what's copied for the final rw layer
+	// for a container.
+	if err = vhd.CreateDiffVhd(diffVhdPath, baseVhdPath, defaultVHDXBlockSizeInMB); err != nil {
+		return errors.Wrap(err, "failed to create differencing disk")
+	}
+
+	if err := security.GrantVmGroupAccess(baseVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", baseVhdPath)
+	}
+	if err := security.GrantVmGroupAccess(diffVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", diffVhdPath)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/import.go b/vendor/github.com/Microsoft/hcsshim/computestorage/import.go
new file mode 100644
index 000000000..06e329794
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/import.go
@@ -0,0 +1,41 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// ImportLayer imports a container layer.
+//
+// `layerPath` is a path to a directory to import the layer to. If the directory
+// does not exist it will be automatically created.
+//
+// `sourceFolderpath` is a pre-existing folder that contains the layer to
+// import.
+//
+// `layerData` is the parent layer data.
+func ImportLayer(ctx context.Context, layerPath, sourceFolderPath string, layerData LayerData) (err error) {
+	title := "hcsshim.ImportLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("sourceFolderPath", sourceFolderPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	err = hcsImportLayer(layerPath, sourceFolderPath, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to import layer: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go b/vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go
new file mode 100644
index 000000000..2e4810c45
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go
@@ -0,0 +1,38 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+)
+
+// InitializeWritableLayer initializes a writable layer for a container.
+//
+// `layerPath` is a path to a directory the layer is mounted. If the
+// path does not end in a `\` the platform will append it automatically.
+//
+// `layerData` is the parent read-only layer data.
+func InitializeWritableLayer(ctx context.Context, layerPath string, layerData LayerData) (err error) {
+	title := "hcsshim.InitializeWritableLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	// Options are not used in the platform as of RS5
+	err = hcsInitializeWritableLayer(layerPath, string(bytes), "")
+	if err != nil {
+		return fmt.Errorf("failed to intitialize container layer: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/mount.go b/vendor/github.com/Microsoft/hcsshim/computestorage/mount.go
new file mode 100644
index 000000000..40652b99e
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/mount.go
@@ -0,0 +1,27 @@
+package computestorage
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/interop"
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// GetLayerVhdMountPath returns the volume path for a virtual disk of a writable container layer.
+func GetLayerVhdMountPath(ctx context.Context, vhdHandle windows.Handle) (path string, err error) {
+	title := "hcsshim.GetLayerVhdMountPath"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+
+	var mountPath *uint16
+	err = hcsGetLayerVhdMountPath(vhdHandle, &mountPath)
+	if err != nil {
+		return "", fmt.Errorf("failed to get vhd mount path: %s", err)
+	}
+	path = interop.ConvertAndFreeCoTaskMemString(mountPath)
+	return path, nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go b/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go
new file mode 100644
index 000000000..13ce0cd60
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go
@@ -0,0 +1,75 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/Microsoft/hcsshim/osversion"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// SetupBaseOSLayer sets up a layer that contains a base OS for a container.
+//
+// `layerPath` is a path to a directory containing the layer.
+//
+// `vhdHandle` is an empty file handle of `options.Type == OsLayerTypeContainer`
+// or else it is a file handle to the 'SystemTemplateBase.vhdx' if `options.Type
+// == OsLayerTypeVm`.
+//
+// `options` are the options applied while processing the layer.
+func SetupBaseOSLayer(ctx context.Context, layerPath string, vhdHandle windows.Handle, options OsLayerOptions) (err error) {
+	title := "hcsshim.SetupBaseOSLayer"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsSetupBaseOSLayer(layerPath, vhdHandle, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to setup base OS layer: %s", err)
+	}
+	return nil
+}
+
+// SetupBaseOSVolume sets up a volume that contains a base OS for a container.
+//
+// `layerPath` is a path to a directory containing the layer.
+//
+// `volumePath` is the path to the volume to be used for setup.
+//
+// `options` are the options applied while processing the layer.
+func SetupBaseOSVolume(ctx context.Context, layerPath, volumePath string, options OsLayerOptions) (err error) {
+	if osversion.Get().Build < 19645 {
+		return errors.New("SetupBaseOSVolume is not present on builds older than 19645")
+	}
+	title := "hcsshim.SetupBaseOSVolume"
+	ctx, span := trace.StartSpan(ctx, title)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("volumePath", volumePath),
+	)
+
+	bytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsSetupBaseOSVolume(layerPath, volumePath, string(bytes))
+	if err != nil {
+		return fmt.Errorf("failed to setup base OS layer: %s", err)
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/storage.go b/vendor/github.com/Microsoft/hcsshim/computestorage/storage.go
new file mode 100644
index 000000000..9cd283d4b
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/storage.go
@@ -0,0 +1,50 @@
+// Package computestorage is a wrapper around the HCS storage APIs. These are new storage APIs introduced
+// separate from the original graphdriver calls intended to give more freedom around creating
+// and managing container layers and scratch spaces.
+package computestorage
+
+import (
+	hcsschema "github.com/Microsoft/hcsshim/internal/schema2"
+)
+
+//go:generate go run ../mksyscall_windows.go -output zsyscall_windows.go storage.go
+
+//sys hcsImportLayer(layerPath string, sourceFolderPath string, layerData string) (hr error) = computestorage.HcsImportLayer?
+//sys hcsExportLayer(layerPath string, exportFolderPath string, layerData string, options string) (hr error) = computestorage.HcsExportLayer?
+//sys hcsDestroyLayer(layerPath string) (hr error) = computestorage.HcsDestoryLayer?
+//sys hcsSetupBaseOSLayer(layerPath string, handle windows.Handle, options string) (hr error) = computestorage.HcsSetupBaseOSLayer?
+//sys hcsInitializeWritableLayer(writableLayerPath string, layerData string, options string) (hr error) = computestorage.HcsInitializeWritableLayer?
+//sys hcsAttachLayerStorageFilter(layerPath string, layerData string) (hr error) = computestorage.HcsAttachLayerStorageFilter?
+//sys hcsDetachLayerStorageFilter(layerPath string) (hr error) = computestorage.HcsDetachLayerStorageFilter?
+//sys hcsFormatWritableLayerVhd(handle windows.Handle) (hr error) = computestorage.HcsFormatWritableLayerVhd?
+//sys hcsGetLayerVhdMountPath(vhdHandle windows.Handle, mountPath **uint16) (hr error) = computestorage.HcsGetLayerVhdMountPath?
+//sys hcsSetupBaseOSVolume(layerPath string, volumePath string, options string) (hr error) = computestorage.HcsSetupBaseOSVolume?
+
+// LayerData is the data used to describe parent layer information.
+type LayerData struct {
+	SchemaVersion hcsschema.Version `json:"SchemaVersion,omitempty"`
+	Layers        []hcsschema.Layer `json:"Layers,omitempty"`
+}
+
+// ExportLayerOptions are the set of options that are used with the `computestorage.HcsExportLayer` syscall.
+type ExportLayerOptions struct {
+	IsWritableLayer bool `json:"IsWritableLayer,omitempty"`
+}
+
+// OsLayerType is the type of layer being operated on.
+type OsLayerType string
+
+const (
+	// OsLayerTypeContainer is a container layer.
+	OsLayerTypeContainer OsLayerType = "Container"
+	// OsLayerTypeVM is a virtual machine layer.
+	OsLayerTypeVM OsLayerType = "Vm"
+)
+
+// OsLayerOptions are the set of options that are used with the `SetupBaseOSLayer` and
+// `SetupBaseOSVolume` calls.
+type OsLayerOptions struct {
+	Type                       OsLayerType `json:"Type,omitempty"`
+	DisableCiCacheOptimization bool        `json:"DisableCiCacheOptimization,omitempty"`
+	SkipUpdateBcdForBoot       bool        `json:"SkipUpdateBcdForBoot,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/zsyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/computestorage/zsyscall_windows.go
new file mode 100644
index 000000000..4f9518067
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/computestorage/zsyscall_windows.go
@@ -0,0 +1,319 @@
+// Code generated mksyscall_windows.exe DO NOT EDIT
+
+package computestorage
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return nil
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modcomputestorage = windows.NewLazySystemDLL("computestorage.dll")
+
+	procHcsImportLayer              = modcomputestorage.NewProc("HcsImportLayer")
+	procHcsExportLayer              = modcomputestorage.NewProc("HcsExportLayer")
+	procHcsDestoryLayer             = modcomputestorage.NewProc("HcsDestoryLayer")
+	procHcsSetupBaseOSLayer         = modcomputestorage.NewProc("HcsSetupBaseOSLayer")
+	procHcsInitializeWritableLayer  = modcomputestorage.NewProc("HcsInitializeWritableLayer")
+	procHcsAttachLayerStorageFilter = modcomputestorage.NewProc("HcsAttachLayerStorageFilter")
+	procHcsDetachLayerStorageFilter = modcomputestorage.NewProc("HcsDetachLayerStorageFilter")
+	procHcsFormatWritableLayerVhd   = modcomputestorage.NewProc("HcsFormatWritableLayerVhd")
+	procHcsGetLayerVhdMountPath     = modcomputestorage.NewProc("HcsGetLayerVhdMountPath")
+	procHcsSetupBaseOSVolume        = modcomputestorage.NewProc("HcsSetupBaseOSVolume")
+)
+
+func hcsImportLayer(layerPath string, sourceFolderPath string, layerData string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(sourceFolderPath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	return _hcsImportLayer(_p0, _p1, _p2)
+}
+
+func _hcsImportLayer(layerPath *uint16, sourceFolderPath *uint16, layerData *uint16) (hr error) {
+	if hr = procHcsImportLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsImportLayer.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(sourceFolderPath)), uintptr(unsafe.Pointer(layerData)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsExportLayer(layerPath string, exportFolderPath string, layerData string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(exportFolderPath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	var _p3 *uint16
+	_p3, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsExportLayer(_p0, _p1, _p2, _p3)
+}
+
+func _hcsExportLayer(layerPath *uint16, exportFolderPath *uint16, layerData *uint16, options *uint16) (hr error) {
+	if hr = procHcsExportLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall6(procHcsExportLayer.Addr(), 4, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(exportFolderPath)), uintptr(unsafe.Pointer(layerData)), uintptr(unsafe.Pointer(options)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsDestroyLayer(layerPath string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	return _hcsDestroyLayer(_p0)
+}
+
+func _hcsDestroyLayer(layerPath *uint16) (hr error) {
+	if hr = procHcsDestoryLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsDestoryLayer.Addr(), 1, uintptr(unsafe.Pointer(layerPath)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsSetupBaseOSLayer(layerPath string, handle windows.Handle, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSetupBaseOSLayer(_p0, handle, _p1)
+}
+
+func _hcsSetupBaseOSLayer(layerPath *uint16, handle windows.Handle, options *uint16) (hr error) {
+	if hr = procHcsSetupBaseOSLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSetupBaseOSLayer.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(handle), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsInitializeWritableLayer(writableLayerPath string, layerData string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(writableLayerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsInitializeWritableLayer(_p0, _p1, _p2)
+}
+
+func _hcsInitializeWritableLayer(writableLayerPath *uint16, layerData *uint16, options *uint16) (hr error) {
+	if hr = procHcsInitializeWritableLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsInitializeWritableLayer.Addr(), 3, uintptr(unsafe.Pointer(writableLayerPath)), uintptr(unsafe.Pointer(layerData)), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsAttachLayerStorageFilter(layerPath string, layerData string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	return _hcsAttachLayerStorageFilter(_p0, _p1)
+}
+
+func _hcsAttachLayerStorageFilter(layerPath *uint16, layerData *uint16) (hr error) {
+	if hr = procHcsAttachLayerStorageFilter.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsAttachLayerStorageFilter.Addr(), 2, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(layerData)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsDetachLayerStorageFilter(layerPath string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	return _hcsDetachLayerStorageFilter(_p0)
+}
+
+func _hcsDetachLayerStorageFilter(layerPath *uint16) (hr error) {
+	if hr = procHcsDetachLayerStorageFilter.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsDetachLayerStorageFilter.Addr(), 1, uintptr(unsafe.Pointer(layerPath)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsFormatWritableLayerVhd(handle windows.Handle) (hr error) {
+	if hr = procHcsFormatWritableLayerVhd.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsFormatWritableLayerVhd.Addr(), 1, uintptr(handle), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsGetLayerVhdMountPath(vhdHandle windows.Handle, mountPath **uint16) (hr error) {
+	if hr = procHcsGetLayerVhdMountPath.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsGetLayerVhdMountPath.Addr(), 2, uintptr(vhdHandle), uintptr(unsafe.Pointer(mountPath)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsSetupBaseOSVolume(layerPath string, volumePath string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(volumePath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSetupBaseOSVolume(_p0, _p1, _p2)
+}
+
+func _hcsSetupBaseOSVolume(layerPath *uint16, volumePath *uint16, options *uint16) (hr error) {
+	if hr = procHcsSetupBaseOSVolume.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSetupBaseOSVolume.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(volumePath)), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/go.mod b/vendor/github.com/Microsoft/hcsshim/go.mod
index 5255b93f1..a2faeb52b 100644
--- a/vendor/github.com/Microsoft/hcsshim/go.mod
+++ b/vendor/github.com/Microsoft/hcsshim/go.mod
@@ -3,8 +3,8 @@ module github.com/Microsoft/hcsshim
 go 1.13
 
 require (
-	github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5
-	github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f
+	github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331
+	github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59
 	github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1
 	github.com/containerd/containerd v1.3.2
 	github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc // indirect
@@ -17,16 +17,16 @@ require (
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2 // indirect
 	github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f // indirect
-	github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700
-	github.com/pkg/errors v0.8.1
+	github.com/opencontainers/runtime-spec v1.0.2
+	github.com/pkg/errors v0.9.1
 	github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7 // indirect
 	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/testify v1.4.0 // indirect
-	github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5
+	github.com/urfave/cli v1.22.2
 	go.opencensus.io v0.22.0
 	golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 // indirect
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
-	golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3
+	golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3
 	google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873 // indirect
 	google.golang.org/grpc v1.23.1
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
diff --git a/vendor/github.com/Microsoft/hcsshim/go.sum b/vendor/github.com/Microsoft/hcsshim/go.sum
index 8ab4318ed..e71f8979a 100644
--- a/vendor/github.com/Microsoft/hcsshim/go.sum
+++ b/vendor/github.com/Microsoft/hcsshim/go.sum
@@ -1,11 +1,14 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 h1:ygIc8M6trr62pF5DucadTWGdEB4mEyvzi0e2nbcmcyA=
-github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
+github.com/Microsoft/go-winio v0.4.15-0.20200908182639-5b44b70ab3ab h1:9pygWVFqbY9lPxM0peffumuVDyMuIMzNLyO9uFjJuQo=
+github.com/Microsoft/go-winio v0.4.15-0.20200908182639-5b44b70ab3ab/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331 h1:3YnB7Hpmh1lPecPE8doMOtYCrMdrpedZOvxfuNES/Vk=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
+github.com/cilium/ebpf v0.0.0-20200110133405-4032b1d8aae3/go.mod h1:MA5e5Lr8slmEg9bt0VpxxWqJlO4iwu3FBdHUzV7wQVg=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f h1:tSNMc+rJDfmYntojat8lljbt1mgKNpTxUZJsSzJ9Y1s=
-github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f/go.mod h1:OApqhQ4XNSNC13gXIwDjhOQxjWa/NxkwZXJ1EvqT0ko=
+github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59 h1:qWj4qVYZ95vLWwqyNJCQg7rDsG5wPdze0UaPolH7DUk=
+github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59/go.mod h1:pA0z1pT8KYB3TCXK/ocprsh7MAkoW8bZVzPdih9snmM=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1 h1:uict5mhHFTzKLUCufdSLym7z/J0CbBJT59lYbP9wtbg=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1/go.mod h1:Tj/on1eG8kiEhd0+fhSDzsPAFESxzBBvdyEgyryXffw=
 github.com/containerd/containerd v1.3.2 h1:ForxmXkA6tPIvffbrDAcPUIB32QgXkt2XFj+F0UxetA=
@@ -20,17 +23,16 @@ github.com/containerd/ttrpc v0.0.0-20190828154514-0e0f228740de h1:dlfGmNcE3jDAec
 github.com/containerd/ttrpc v0.0.0-20190828154514-0e0f228740de/go.mod h1:PvCDdDGpgqzQIzDW1TphrGLssLDZp2GuS+X5DkEJB8o=
 github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd h1:JNn81o/xG+8NEo3bC/vx9pbi/g2WI8mtP2/nXzu297Y=
 github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd/go.mod h1:Cm3kwCdlkCfMSHURc+r6fwoGH6/F1hH3S4sg0rLFWPc=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
-github.com/godbus/dbus v0.0.0-20190422162347-ade71ed3457e h1:BWhy2j3IXJhjCbC68FptL43tDKIq8FladmaTs3Xs7Z8=
-github.com/godbus/dbus v0.0.0-20190422162347-ade71ed3457e/go.mod h1:bBOAhwG1umN6/6ZUMtDFBMQR8jRg9O75tm9K00oMsK4=
-github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
+github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
@@ -47,11 +49,12 @@ github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/konsorten/go-windows-terminal-sequences v1.0.2 h1:DB17ag19krx9CFsz4o3enTrPXyIXCl+2iCXH/aMAp9s=
+github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -61,14 +64,20 @@ github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2 h1:QhPf3A
 github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f h1:a969LJ4IQFwRHYqonHtUDMSh9i54WcKggeEkQ3fZMl4=
 github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U=
-github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700 h1:eNUVfm/RFLIi1G7flU5/ZRTHvd4kcVuzfRnL6OFlzCI=
-github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
+github.com/opencontainers/runtime-spec v1.0.2 h1:UfAcuLBJB9Coz72x1hgl8O5RVzTdNiaglX6v2DM6FI0=
+github.com/opencontainers/runtime-spec v1.0.2/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7 h1:hhvfGDVThBnd4kYisSFmYuHYeUhglxcwag7FhVPH9zM=
 github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.4.1 h1:GL2rEmy6nsikmW0r8opw9JIRScdMF5hA8cOYLH7In1k=
 github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
 github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
@@ -79,8 +88,8 @@ github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5 h1:MCfT24H3f//U5+UCrZp1/riVO3B50BovxtDiNn0XKkk=
-github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
+github.com/urfave/cli v1.22.2 h1:gsqYFH8bb9ekPA12kRo0hfjngWQjkJPlN9R0N78BoUo=
+github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -109,14 +118,17 @@ golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190514135907-3a4b5fb9f71f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 h1:7TYNF4UdlohbFwpNH04CoPMp1cHUZgO1Ebq5r2hIjfo=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191022100944-742c48ecaeb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200120151820-655fe14d7479 h1:LhLiKguPgZL+Tglay4GhVtfF0kb8cvOJ0dHTCBO8YNI=
+golang.org/x/sys v0.0.0-20200120151820-655fe14d7479/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hcs/service.go b/vendor/github.com/Microsoft/hcsshim/internal/hcs/service.go
new file mode 100644
index 000000000..3a5f01250
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hcs/service.go
@@ -0,0 +1,49 @@
+package hcs
+
+import (
+	"context"
+	"encoding/json"
+
+	hcsschema "github.com/Microsoft/hcsshim/internal/schema2"
+	"github.com/Microsoft/hcsshim/internal/vmcompute"
+)
+
+// GetServiceProperties returns properties of the host compute service.
+func GetServiceProperties(ctx context.Context, q hcsschema.PropertyQuery) (*hcsschema.ServiceProperties, error) {
+	operation := "hcsshim::GetServiceProperties"
+
+	queryb, err := json.Marshal(q)
+	if err != nil {
+		return nil, err
+	}
+	propertiesJSON, resultJSON, err := vmcompute.HcsGetServiceProperties(ctx, string(queryb))
+	events := processHcsResult(ctx, resultJSON)
+	if err != nil {
+		return nil, &HcsError{Op: operation, Err: err, Events: events}
+	}
+
+	if propertiesJSON == "" {
+		return nil, ErrUnexpectedValue
+	}
+	properties := &hcsschema.ServiceProperties{}
+	if err := json.Unmarshal([]byte(propertiesJSON), properties); err != nil {
+		return nil, err
+	}
+	return properties, nil
+}
+
+// ModifyServiceSettings modifies settings of the host compute service.
+func ModifyServiceSettings(ctx context.Context, settings hcsschema.ModificationRequest) error {
+	operation := "hcsshim::ModifyServiceSettings"
+
+	settingsJSON, err := json.Marshal(settings)
+	if err != nil {
+		return err
+	}
+	resultJSON, err := vmcompute.HcsModifyServiceSettings(ctx, string(settingsJSON))
+	events := processHcsResult(ctx, resultJSON)
+	if err != nil {
+		return &HcsError{Op: operation, Err: err, Events: events}
+	}
+	return nil
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hcs/syscall.go b/vendor/github.com/Microsoft/hcsshim/internal/hcs/syscall.go
deleted file mode 100644
index ded2175c5..000000000
--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/syscall.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package hcs
-
-//go:generate go run ../../mksyscall_windows.go -output zsyscall_windows.go syscall.go
-
-//sys hcsFormatWritableLayerVhd(handle uintptr) (hr error) = computestorage.HcsFormatWritableLayerVhd
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go b/vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go
index 67a5f7176..6120399c4 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go
@@ -28,8 +28,7 @@ type System struct {
 	waitBlock      chan struct{}
 	waitError      error
 	exitError      error
-
-	os, typ string
+	os, typ        string
 }
 
 func newSystem(id string) *System {
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go b/vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go
index b474604bd..3342e5bb9 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/Microsoft/go-winio"
 	diskutil "github.com/Microsoft/go-winio/vhd"
+	"github.com/Microsoft/hcsshim/computestorage"
 	"github.com/pkg/errors"
 	"golang.org/x/sys/windows"
 )
@@ -36,7 +37,7 @@ func makeOpenFiles(hs []syscall.Handle) (_ []io.ReadWriteCloser, err error) {
 	return fs, nil
 }
 
-// creates a VHD formatted with NTFS of size `sizeGB` at the given `vhdPath`.
+// CreateNTFSVHD creates a VHD formatted with NTFS of size `sizeGB` at the given `vhdPath`.
 func CreateNTFSVHD(ctx context.Context, vhdPath string, sizeGB uint32) (err error) {
 	if err := diskutil.CreateVhdx(vhdPath, sizeGB, 1); err != nil {
 		return errors.Wrap(err, "failed to create VHD")
@@ -53,7 +54,7 @@ func CreateNTFSVHD(ctx context.Context, vhdPath string, sizeGB uint32) (err erro
 		}
 	}()
 
-	if err := hcsFormatWritableLayerVhd(uintptr(vhd)); err != nil {
+	if err := computestorage.FormatWritableLayerVhd(ctx, windows.Handle(vhd)); err != nil {
 		return errors.Wrap(err, "failed to format VHD")
 	}
 
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go
deleted file mode 100644
index 39396d272..000000000
--- a/vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Code generated mksyscall_windows.exe DO NOT EDIT
-
-package hcs
-
-import (
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
-	errnoERROR_IO_PENDING = 997
-)
-
-var (
-	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e syscall.Errno) error {
-	switch e {
-	case 0:
-		return nil
-	case errnoERROR_IO_PENDING:
-		return errERROR_IO_PENDING
-	}
-	// TODO: add more here, after collecting data on the common
-	// error values see on Windows. (perhaps when running
-	// all.bat?)
-	return e
-}
-
-var (
-	modcomputestorage = windows.NewLazySystemDLL("computestorage.dll")
-
-	procHcsFormatWritableLayerVhd = modcomputestorage.NewProc("HcsFormatWritableLayerVhd")
-)
-
-func hcsFormatWritableLayerVhd(handle uintptr) (hr error) {
-	r0, _, _ := syscall.Syscall(procHcsFormatWritableLayerVhd.Addr(), 1, uintptr(handle), 0, 0)
-	if int32(r0) < 0 {
-		if r0&0x1fff0000 == 0x00070000 {
-			r0 &= 0xffff
-		}
-		hr = syscall.Errno(r0)
-	}
-	return
-}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go b/vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go
index e0e1a4710..b36315a39 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go
@@ -17,12 +17,15 @@ type HNSEndpoint struct {
 	Policies           []json.RawMessage `json:",omitempty"`
 	MacAddress         string            `json:",omitempty"`
 	IPAddress          net.IP            `json:",omitempty"`
+	IPv6Address        net.IP            `json:",omitempty"`
 	DNSSuffix          string            `json:",omitempty"`
 	DNSServerList      string            `json:",omitempty"`
 	GatewayAddress     string            `json:",omitempty"`
+	GatewayAddressV6   string            `json:",omitempty"`
 	EnableInternalDNS  bool              `json:",omitempty"`
 	DisableICC         bool              `json:",omitempty"`
 	PrefixLength       uint8             `json:",omitempty"`
+	IPv6PrefixLength   uint8             `json:",omitempty"`
 	IsRemoteEndpoint   bool              `json:",omitempty"`
 	EnableLowMetric    bool              `json:",omitempty"`
 	Namespace          *Namespace        `json:",omitempty"`
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hns/namespace.go b/vendor/github.com/Microsoft/hcsshim/internal/hns/namespace.go
index 45e2281b0..d3b04eefe 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/hns/namespace.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/hns/namespace.go
@@ -27,9 +27,10 @@ type namespaceResourceRequest struct {
 }
 
 type Namespace struct {
-	ID           string
-	IsDefault    bool                `json:",omitempty"`
-	ResourceList []NamespaceResource `json:",omitempty"`
+	ID            string
+	IsDefault     bool                `json:",omitempty"`
+	ResourceList  []NamespaceResource `json:",omitempty"`
+	CompartmentId uint32              `json:",omitempty"`
 }
 
 func issueNamespaceRequest(id *string, method, subpath string, request interface{}) (*Namespace, error) {
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/safefile/safeopen.go b/vendor/github.com/Microsoft/hcsshim/internal/safefile/safeopen.go
index f31edfaf8..d484c212c 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/safefile/safeopen.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/safefile/safeopen.go
@@ -11,72 +11,11 @@ import (
 	"unsafe"
 
 	"github.com/Microsoft/hcsshim/internal/longpath"
+	"github.com/Microsoft/hcsshim/internal/winapi"
 
 	winio "github.com/Microsoft/go-winio"
 )
 
-//go:generate go run $GOROOT\src\syscall\mksyscall_windows.go -output zsyscall_windows.go safeopen.go
-
-//sys ntCreateFile(handle *uintptr, accessMask uint32, oa *objectAttributes, iosb *ioStatusBlock, allocationSize *uint64, fileAttributes uint32, shareAccess uint32, createDisposition uint32, createOptions uint32, eaBuffer *byte, eaLength uint32) (status uint32) = ntdll.NtCreateFile
-//sys ntSetInformationFile(handle uintptr, iosb *ioStatusBlock, information uintptr, length uint32, class uint32) (status uint32) = ntdll.NtSetInformationFile
-//sys rtlNtStatusToDosError(status uint32) (winerr error) = ntdll.RtlNtStatusToDosErrorNoTeb
-//sys localAlloc(flags uint32, size int) (ptr uintptr) = kernel32.LocalAlloc
-//sys localFree(ptr uintptr) = kernel32.LocalFree
-
-type ioStatusBlock struct {
-	Status, Information uintptr
-}
-
-type objectAttributes struct {
-	Length             uintptr
-	RootDirectory      uintptr
-	ObjectName         uintptr
-	Attributes         uintptr
-	SecurityDescriptor uintptr
-	SecurityQoS        uintptr
-}
-
-type unicodeString struct {
-	Length        uint16
-	MaximumLength uint16
-	Buffer        uintptr
-}
-
-type fileLinkInformation struct {
-	ReplaceIfExists bool
-	RootDirectory   uintptr
-	FileNameLength  uint32
-	FileName        [1]uint16
-}
-
-type fileDispositionInformationEx struct {
-	Flags uintptr
-}
-
-const (
-	_FileLinkInformation          = 11
-	_FileDispositionInformationEx = 64
-
-	FILE_READ_ATTRIBUTES  = 0x0080
-	FILE_WRITE_ATTRIBUTES = 0x0100
-	DELETE                = 0x10000
-
-	FILE_OPEN   = 1
-	FILE_CREATE = 2
-
-	FILE_DIRECTORY_FILE          = 0x00000001
-	FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020
-	FILE_DELETE_ON_CLOSE         = 0x00001000
-	FILE_OPEN_FOR_BACKUP_INTENT  = 0x00004000
-	FILE_OPEN_REPARSE_POINT      = 0x00200000
-
-	FILE_DISPOSITION_DELETE = 0x00000001
-
-	_OBJ_DONT_REPARSE = 0x1000
-
-	_STATUS_REPARSE_POINT_ENCOUNTERED = 0xC000050B
-)
-
 func OpenRoot(path string) (*os.File, error) {
 	longpath, err := longpath.LongAbs(path)
 	if err != nil {
@@ -85,16 +24,24 @@ func OpenRoot(path string) (*os.File, error) {
 	return winio.OpenForBackup(longpath, syscall.GENERIC_READ, syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE, syscall.OPEN_EXISTING)
 }
 
-func ntRelativePath(path string) ([]uint16, error) {
+func cleanGoStringRelativePath(path string) (string, error) {
 	path = filepath.Clean(path)
 	if strings.Contains(path, ":") {
 		// Since alternate data streams must follow the file they
 		// are attached to, finding one here (out of order) is invalid.
-		return nil, errors.New("path contains invalid character `:`")
+		return "", errors.New("path contains invalid character `:`")
 	}
 	fspath := filepath.FromSlash(path)
 	if len(fspath) > 0 && fspath[0] == '\\' {
-		return nil, errors.New("expected relative path")
+		return "", errors.New("expected relative path")
+	}
+	return fspath, nil
+}
+
+func ntRelativePath(path string) ([]uint16, error) {
+	fspath, err := cleanGoStringRelativePath(path)
+	if err != nil {
+		return nil, err
 	}
 
 	path16 := utf16.Encode(([]rune)(fspath))
@@ -110,11 +57,11 @@ func ntRelativePath(path string) ([]uint16, error) {
 func openRelativeInternal(path string, root *os.File, accessMask uint32, shareFlags uint32, createDisposition uint32, flags uint32) (*os.File, error) {
 	var (
 		h    uintptr
-		iosb ioStatusBlock
-		oa   objectAttributes
+		iosb winapi.IOStatusBlock
+		oa   winapi.ObjectAttributes
 	)
 
-	path16, err := ntRelativePath(path)
+	cleanRelativePath, err := cleanGoStringRelativePath(path)
 	if err != nil {
 		return nil, err
 	}
@@ -123,20 +70,16 @@ func openRelativeInternal(path string, root *os.File, accessMask uint32, shareFl
 		return nil, errors.New("missing root directory")
 	}
 
-	upathBuffer := localAlloc(0, int(unsafe.Sizeof(unicodeString{}))+len(path16)*2)
-	defer localFree(upathBuffer)
-
-	upath := (*unicodeString)(unsafe.Pointer(upathBuffer))
-	upath.Length = uint16(len(path16) * 2)
-	upath.MaximumLength = upath.Length
-	upath.Buffer = upathBuffer + unsafe.Sizeof(*upath)
-	copy((*[32768]uint16)(unsafe.Pointer(upath.Buffer))[:], path16)
+	pathUnicode, err := winapi.NewUnicodeString(cleanRelativePath)
+	if err != nil {
+		return nil, err
+	}
 
 	oa.Length = unsafe.Sizeof(oa)
-	oa.ObjectName = upathBuffer
+	oa.ObjectName = uintptr(unsafe.Pointer(pathUnicode))
 	oa.RootDirectory = uintptr(root.Fd())
-	oa.Attributes = _OBJ_DONT_REPARSE
-	status := ntCreateFile(
+	oa.Attributes = winapi.OBJ_DONT_REPARSE
+	status := winapi.NtCreateFile(
 		&h,
 		accessMask|syscall.SYNCHRONIZE,
 		&oa,
@@ -145,12 +88,12 @@ func openRelativeInternal(path string, root *os.File, accessMask uint32, shareFl
 		0,
 		shareFlags,
 		createDisposition,
-		FILE_OPEN_FOR_BACKUP_INTENT|FILE_SYNCHRONOUS_IO_NONALERT|flags,
+		winapi.FILE_OPEN_FOR_BACKUP_INTENT|winapi.FILE_SYNCHRONOUS_IO_NONALERT|flags,
 		nil,
 		0,
 	)
 	if status != 0 {
-		return nil, rtlNtStatusToDosError(status)
+		return nil, winapi.RtlNtStatusToDosError(status)
 	}
 
 	fullPath, err := longpath.LongAbs(filepath.Join(root.Name(), path))
@@ -182,7 +125,7 @@ func LinkRelative(oldname string, oldroot *os.File, newname string, newroot *os.
 		oldroot,
 		syscall.FILE_WRITE_ATTRIBUTES,
 		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
-		FILE_OPEN,
+		winapi.FILE_OPEN,
 		0,
 	)
 	if err != nil {
@@ -199,8 +142,8 @@ func LinkRelative(oldname string, oldroot *os.File, newname string, newroot *os.
 			newroot,
 			syscall.GENERIC_READ,
 			syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
-			FILE_OPEN,
-			FILE_DIRECTORY_FILE)
+			winapi.FILE_OPEN,
+			winapi.FILE_DIRECTORY_FILE)
 		if err != nil {
 			return &os.LinkError{Op: "link", Old: oldf.Name(), New: filepath.Join(newroot.Name(), newname), Err: err}
 		}
@@ -211,7 +154,7 @@ func LinkRelative(oldname string, oldroot *os.File, newname string, newroot *os.
 			return err
 		}
 		if (fi.FileAttributes & syscall.FILE_ATTRIBUTE_REPARSE_POINT) != 0 {
-			return &os.LinkError{Op: "link", Old: oldf.Name(), New: filepath.Join(newroot.Name(), newname), Err: rtlNtStatusToDosError(_STATUS_REPARSE_POINT_ENCOUNTERED)}
+			return &os.LinkError{Op: "link", Old: oldf.Name(), New: filepath.Join(newroot.Name(), newname), Err: winapi.RtlNtStatusToDosError(winapi.STATUS_REPARSE_POINT_ENCOUNTERED)}
 		}
 
 	} else {
@@ -227,24 +170,25 @@ func LinkRelative(oldname string, oldroot *os.File, newname string, newroot *os.
 		return err
 	}
 
-	size := int(unsafe.Offsetof(fileLinkInformation{}.FileName)) + len(newbase16)*2
-	linkinfoBuffer := localAlloc(0, size)
-	defer localFree(linkinfoBuffer)
-	linkinfo := (*fileLinkInformation)(unsafe.Pointer(linkinfoBuffer))
+	size := int(unsafe.Offsetof(winapi.FileLinkInformation{}.FileName)) + len(newbase16)*2
+	linkinfoBuffer := winapi.LocalAlloc(0, size)
+	defer winapi.LocalFree(linkinfoBuffer)
+
+	linkinfo := (*winapi.FileLinkInformation)(unsafe.Pointer(linkinfoBuffer))
 	linkinfo.RootDirectory = parent.Fd()
 	linkinfo.FileNameLength = uint32(len(newbase16) * 2)
 	copy((*[32768]uint16)(unsafe.Pointer(&linkinfo.FileName[0]))[:], newbase16)
 
-	var iosb ioStatusBlock
-	status := ntSetInformationFile(
+	var iosb winapi.IOStatusBlock
+	status := winapi.NtSetInformationFile(
 		oldf.Fd(),
 		&iosb,
 		linkinfoBuffer,
 		uint32(size),
-		_FileLinkInformation,
+		winapi.FileLinkInformationClass,
 	)
 	if status != 0 {
-		return &os.LinkError{Op: "link", Old: oldf.Name(), New: filepath.Join(parent.Name(), newbase), Err: rtlNtStatusToDosError(status)}
+		return &os.LinkError{Op: "link", Old: oldf.Name(), New: filepath.Join(parent.Name(), newbase), Err: winapi.RtlNtStatusToDosError(status)}
 	}
 
 	return nil
@@ -252,17 +196,17 @@ func LinkRelative(oldname string, oldroot *os.File, newname string, newroot *os.
 
 // deleteOnClose marks a file to be deleted when the handle is closed.
 func deleteOnClose(f *os.File) error {
-	disposition := fileDispositionInformationEx{Flags: FILE_DISPOSITION_DELETE}
-	var iosb ioStatusBlock
-	status := ntSetInformationFile(
+	disposition := winapi.FileDispositionInformationEx{Flags: winapi.FILE_DISPOSITION_DELETE}
+	var iosb winapi.IOStatusBlock
+	status := winapi.NtSetInformationFile(
 		f.Fd(),
 		&iosb,
 		uintptr(unsafe.Pointer(&disposition)),
 		uint32(unsafe.Sizeof(disposition)),
-		_FileDispositionInformationEx,
+		winapi.FileDispositionInformationExClass,
 	)
 	if status != 0 {
-		return rtlNtStatusToDosError(status)
+		return winapi.RtlNtStatusToDosError(status)
 	}
 	return nil
 }
@@ -291,10 +235,10 @@ func RemoveRelative(path string, root *os.File) error {
 	f, err := openRelativeInternal(
 		path,
 		root,
-		FILE_READ_ATTRIBUTES|FILE_WRITE_ATTRIBUTES|DELETE,
+		winapi.FILE_READ_ATTRIBUTES|winapi.FILE_WRITE_ATTRIBUTES|winapi.DELETE,
 		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
-		FILE_OPEN,
-		FILE_OPEN_REPARSE_POINT)
+		winapi.FILE_OPEN,
+		winapi.FILE_OPEN_REPARSE_POINT)
 	if err == nil {
 		defer f.Close()
 		err = deleteOnClose(f)
@@ -385,8 +329,8 @@ func MkdirRelative(path string, root *os.File) error {
 		root,
 		0,
 		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
-		FILE_CREATE,
-		FILE_DIRECTORY_FILE)
+		winapi.FILE_CREATE,
+		winapi.FILE_DIRECTORY_FILE)
 	if err == nil {
 		f.Close()
 	} else {
@@ -401,10 +345,10 @@ func LstatRelative(path string, root *os.File) (os.FileInfo, error) {
 	f, err := openRelativeInternal(
 		path,
 		root,
-		FILE_READ_ATTRIBUTES,
+		winapi.FILE_READ_ATTRIBUTES,
 		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
-		FILE_OPEN,
-		FILE_OPEN_REPARSE_POINT)
+		winapi.FILE_OPEN,
+		winapi.FILE_OPEN_REPARSE_POINT)
 	if err != nil {
 		return nil, &os.PathError{Op: "stat", Path: filepath.Join(root.Name(), path), Err: err}
 	}
@@ -421,7 +365,7 @@ func EnsureNotReparsePointRelative(path string, root *os.File) error {
 		root,
 		0,
 		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE|syscall.FILE_SHARE_DELETE,
-		FILE_OPEN,
+		winapi.FILE_OPEN,
 		0)
 	if err != nil {
 		return err
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/safefile/zsyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/internal/safefile/zsyscall_windows.go
deleted file mode 100644
index 709b9d347..000000000
--- a/vendor/github.com/Microsoft/hcsshim/internal/safefile/zsyscall_windows.go
+++ /dev/null
@@ -1,79 +0,0 @@
-// Code generated by 'go generate'; DO NOT EDIT.
-
-package safefile
-
-import (
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
-	errnoERROR_IO_PENDING = 997
-)
-
-var (
-	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e syscall.Errno) error {
-	switch e {
-	case 0:
-		return nil
-	case errnoERROR_IO_PENDING:
-		return errERROR_IO_PENDING
-	}
-	// TODO: add more here, after collecting data on the common
-	// error values see on Windows. (perhaps when running
-	// all.bat?)
-	return e
-}
-
-var (
-	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
-	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
-
-	procNtCreateFile               = modntdll.NewProc("NtCreateFile")
-	procNtSetInformationFile       = modntdll.NewProc("NtSetInformationFile")
-	procRtlNtStatusToDosErrorNoTeb = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
-	procLocalAlloc                 = modkernel32.NewProc("LocalAlloc")
-	procLocalFree                  = modkernel32.NewProc("LocalFree")
-)
-
-func ntCreateFile(handle *uintptr, accessMask uint32, oa *objectAttributes, iosb *ioStatusBlock, allocationSize *uint64, fileAttributes uint32, shareAccess uint32, createDisposition uint32, createOptions uint32, eaBuffer *byte, eaLength uint32) (status uint32) {
-	r0, _, _ := syscall.Syscall12(procNtCreateFile.Addr(), 11, uintptr(unsafe.Pointer(handle)), uintptr(accessMask), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(unsafe.Pointer(allocationSize)), uintptr(fileAttributes), uintptr(shareAccess), uintptr(createDisposition), uintptr(createOptions), uintptr(unsafe.Pointer(eaBuffer)), uintptr(eaLength), 0)
-	status = uint32(r0)
-	return
-}
-
-func ntSetInformationFile(handle uintptr, iosb *ioStatusBlock, information uintptr, length uint32, class uint32) (status uint32) {
-	r0, _, _ := syscall.Syscall6(procNtSetInformationFile.Addr(), 5, uintptr(handle), uintptr(unsafe.Pointer(iosb)), uintptr(information), uintptr(length), uintptr(class), 0)
-	status = uint32(r0)
-	return
-}
-
-func rtlNtStatusToDosError(status uint32) (winerr error) {
-	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
-	if r0 != 0 {
-		winerr = syscall.Errno(r0)
-	}
-	return
-}
-
-func localAlloc(flags uint32, size int) (ptr uintptr) {
-	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(flags), uintptr(size), 0)
-	ptr = uintptr(r0)
-	return
-}
-
-func localFree(ptr uintptr) {
-	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(ptr), 0, 0)
-	return
-}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_add_instance_request.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_add_instance_request.go
new file mode 100644
index 000000000..495c6ebc8
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_add_instance_request.go
@@ -0,0 +1,16 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardAddInstanceRequest struct {
+	Id             string `json:"Id,omitempty"`
+	CredentialSpec string `json:"CredentialSpec,omitempty"`
+	Transport      string `json:"Transport,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_hv_socket_service_config.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_hv_socket_service_config.go
new file mode 100644
index 000000000..1ed4c008f
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_hv_socket_service_config.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardHvSocketServiceConfig struct {
+	ServiceId     string                 `json:"ServiceId,omitempty"`
+	ServiceConfig *HvSocketServiceConfig `json:"ServiceConfig,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_instance.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_instance.go
new file mode 100644
index 000000000..d7ebd0fcc
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_instance.go
@@ -0,0 +1,16 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardInstance struct {
+	Id              string                                         `json:"Id,omitempty"`
+	CredentialGuard *ContainerCredentialGuardState                 `json:"CredentialGuard,omitempty"`
+	HvSocketConfig  *ContainerCredentialGuardHvSocketServiceConfig `json:"HvSocketConfig,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_modify_operation.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_modify_operation.go
new file mode 100644
index 000000000..71005b090
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_modify_operation.go
@@ -0,0 +1,17 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardModifyOperation string
+
+const (
+	AddInstance    ContainerCredentialGuardModifyOperation = "AddInstance"
+	RemoveInstance ContainerCredentialGuardModifyOperation = "RemoveInstance"
+)
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_operation_request.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_operation_request.go
new file mode 100644
index 000000000..952cda496
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_operation_request.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardOperationRequest struct {
+	Operation        ContainerCredentialGuardModifyOperation `json:"Operation,omitempty"`
+	OperationDetails interface{}                             `json:"OperationDetails,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_remove_instance_request.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_remove_instance_request.go
new file mode 100644
index 000000000..32e5a3bee
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_remove_instance_request.go
@@ -0,0 +1,14 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardRemoveInstanceRequest struct {
+	Id string `json:"Id,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_system_info.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_system_info.go
new file mode 100644
index 000000000..ea306fa21
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/container_credential_guard_system_info.go
@@ -0,0 +1,14 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ContainerCredentialGuardSystemInfo struct {
+	Instances []ContainerCredentialGuardInstance `json:"Instances,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group.go
new file mode 100644
index 000000000..90332a519
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// CPU groups allow Hyper-V administrators to better manage and allocate the host's CPU resources across guest virtual machines
+type CpuGroup struct {
+	Id string `json:"Id,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_affinity.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_affinity.go
new file mode 100644
index 000000000..8794961bf
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_affinity.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CpuGroupAffinity struct {
+	LogicalProcessorCount int32   `json:"LogicalProcessorCount,omitempty"`
+	LogicalProcessors     []int32 `json:"LogicalProcessors,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_config.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_config.go
new file mode 100644
index 000000000..f1a28cd38
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_config.go
@@ -0,0 +1,18 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CpuGroupConfig struct {
+	GroupId         string             `json:"GroupId,omitempty"`
+	Affinity        *CpuGroupAffinity  `json:"Affinity,omitempty"`
+	GroupProperties []CpuGroupProperty `json:"GroupProperties,omitempty"`
+	// Hypervisor CPU group IDs exposed to clients
+	HypervisorGroupId int32 `json:"HypervisorGroupId,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_configurations.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_configurations.go
new file mode 100644
index 000000000..3ace0ccc3
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_configurations.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Structure used to return cpu groups for a Service property query
+type CpuGroupConfigurations struct {
+	CpuGroups []CpuGroupConfig `json:"CpuGroups,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_operations.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_operations.go
new file mode 100644
index 000000000..7d8978070
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_operations.go
@@ -0,0 +1,18 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CPUGroupOperation string
+
+const (
+	CreateGroup CPUGroupOperation = "CreateGroup"
+	DeleteGroup CPUGroupOperation = "DeleteGroup"
+	SetProperty CPUGroupOperation = "SetProperty"
+)
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_property.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_property.go
new file mode 100644
index 000000000..bbad6a2c4
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/cpu_group_property.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type CpuGroupProperty struct {
+	PropertyCode  uint32 `json:"PropertyCode,omitempty"`
+	PropertyValue uint32 `json:"PropertyValue,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/create_group_operation.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/create_group_operation.go
new file mode 100644
index 000000000..91a8278fe
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/create_group_operation.go
@@ -0,0 +1,17 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Create group operation settings
+type CreateGroupOperation struct {
+	GroupId               string   `json:"GroupId,omitempty"`
+	LogicalProcessorCount uint32   `json:"LogicalProcessorCount,omitempty"`
+	LogicalProcessors     []uint32 `json:"LogicalProcessors,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/delete_group_operation.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/delete_group_operation.go
new file mode 100644
index 000000000..134bd9881
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/delete_group_operation.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Delete group operation settings
+type DeleteGroupOperation struct {
+	GroupId string `json:"GroupId,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/device.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/device.go
index ca319bbbc..0b9c0fbf7 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/device.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/device.go
@@ -9,8 +9,19 @@
 
 package hcsschema
 
-type Device struct {
+type DeviceType string
+
+const (
+	ClassGUID      DeviceType = "ClassGuid"
+	DeviceInstance            = "DeviceInstance"
+	GPUMirror                 = "GpuMirror"
+)
 
-	//  The interface class guid of the device to assign to container.
+type Device struct {
+	//  The type of device to assign to the container.
+	Type DeviceType `json:"Type,omitempty"`
+	//  The interface class guid of the device interfaces to assign to the  container.  Only used when Type is ClassGuid.
 	InterfaceClassGuid string `json:"InterfaceClassGuid,omitempty"`
+	//  The location path of the device to assign to the container.  Only used when Type is DeviceInstance.
+	LocationPath string `json:"LocationPath,omitempty"`
 }
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/host_processor_modify_request.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/host_processor_modify_request.go
new file mode 100644
index 000000000..2238ce530
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/host_processor_modify_request.go
@@ -0,0 +1,16 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// Structure used to request a service processor modification
+type HostProcessorModificationRequest struct {
+	Operation        CPUGroupOperation `json:"Operation,omitempty"`
+	OperationDetails interface{}       `json:"OperationDetails,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_address.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_address.go
new file mode 100644
index 000000000..84c11b93e
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_address.go
@@ -0,0 +1,17 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+//  This class defines address settings applied to a VM
+//  by the GCS every time a VM starts or restores.
+type HvSocketAddress struct {
+	LocalAddress  string `json:"LocalAddress,omitempty"`
+	ParentAddress string `json:"ParentAddress,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_service_config.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_service_config.go
index a848e91e6..ecd9f7fba 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_service_config.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/hv_socket_service_config.go
@@ -19,4 +19,10 @@ type HvSocketServiceConfig struct {
 
 	//  If true, HvSocket will process wildcard binds for this service/system combination.  Wildcard binds are secured in the registry at  SOFTWARE/Microsoft/Windows NT/CurrentVersion/Virtualization/HvSocket/WildcardDescriptors
 	AllowWildcardBinds bool `json:"AllowWildcardBinds,omitempty"`
+
+	// Disabled controls whether the HvSocket service is accepting connection requests.
+	// This set to true will make the service refuse all incoming connections as well as cancel
+	// any connections already established. The service itself will still be active however
+	// and can be re-enabled at a future time.
+	Disabled bool `json:"Disabled,omitempty"`
 }
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/logical_processor.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/logical_processor.go
new file mode 100644
index 000000000..676ad300d
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/logical_processor.go
@@ -0,0 +1,18 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type LogicalProcessor struct {
+	LpIndex     uint32 `json:"LpIndex,omitempty"`
+	NodeNumber  uint8  `json:"NodeNumber, omitempty"`
+	PackageId   uint32 `json:"PackageId, omitempty"`
+	CoreId      uint32 `json:"CoreId, omitempty"`
+	RootVpIndex int32  `json:"RootVpIndex, omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory.go
index ec93d004e..30749c672 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory.go
@@ -10,5 +10,5 @@
 package hcsschema
 
 type Memory struct {
-	SizeInMB int32 `json:"SizeInMB,omitempty"`
+	SizeInMB uint64 `json:"SizeInMB,omitempty"`
 }
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory_2.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory_2.go
index 95328ec30..71224c75b 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory_2.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/memory_2.go
@@ -10,7 +10,7 @@
 package hcsschema
 
 type Memory2 struct {
-	SizeInMB int32 `json:"SizeInMB,omitempty"`
+	SizeInMB uint64 `json:"SizeInMB,omitempty"`
 
 	AllowOvercommit bool `json:"AllowOvercommit,omitempty"`
 
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/modification_request.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/modification_request.go
new file mode 100644
index 000000000..1384ed888
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/modification_request.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ModificationRequest struct {
+	PropertyType PropertyType `json:"PropertyType,omitempty"`
+	Settings     interface{}  `json:"Settings,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/processor_topology.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/processor_topology.go
new file mode 100644
index 000000000..885156e77
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/processor_topology.go
@@ -0,0 +1,15 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type ProcessorTopology struct {
+	LogicalProcessorCount uint32             `json:"LogicalProcessorCount,omitempty"`
+	LogicalProcessors     []LogicalProcessor `json:"LogicalProcessors,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/property_type.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/property_type.go
index f092b737f..98f2c96ed 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/schema2/property_type.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/property_type.go
@@ -18,6 +18,9 @@ const (
 	PTProcessList                 PropertyType = "ProcessList"
 	PTTerminateOnLastHandleClosed PropertyType = "TerminateOnLastHandleClosed"
 	PTSharedMemoryRegion          PropertyType = "SharedMemoryRegion"
+	PTContainerCredentialGuard    PropertyType = "ContainerCredentialGuard" // This field is not generated by swagger. This was added manually.
 	PTGuestConnection             PropertyType = "GuestConnection"
 	PTICHeartbeatStatus           PropertyType = "ICHeartbeatStatus"
+	PTProcessorTopology           PropertyType = "ProcessorTopology"
+	PTCPUGroup                    PropertyType = "CpuGroup"
 )
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/service_properties.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/service_properties.go
new file mode 100644
index 000000000..b8142ca6a
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/service_properties.go
@@ -0,0 +1,18 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+import "encoding/json"
+
+type ServiceProperties struct {
+	// Changed Properties field to []json.RawMessage from []interface{} to avoid having to
+	// remarshal sp.Properties[n] and unmarshal into the type(s) we want.
+	Properties []json.RawMessage `json:"Properties,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/schema2/vm_processor_limits.go b/vendor/github.com/Microsoft/hcsshim/internal/schema2/vm_processor_limits.go
new file mode 100644
index 000000000..de1b9cf1a
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/schema2/vm_processor_limits.go
@@ -0,0 +1,22 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.4
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+// ProcessorLimits is used when modifying processor scheduling limits of a virtual machine.
+type ProcessorLimits struct {
+	// Maximum amount of host CPU resources that the virtual machine can use.
+	Limit uint64 `json:"Limit,omitempty"`
+	// Value describing the relative priority of this virtual machine compared to other virtual machines.
+	Weight uint64 `json:"Weight,omitempty"`
+	// Minimum amount of host CPU resources that the virtual machine is guaranteed.
+	Reservation uint64 `json:"Reservation,omitempty"`
+	// Provides the target maximum CPU frequency, in MHz, for a virtual machine.
+	MaximumFrequencyMHz uint32 `json:"MaximumFrequencyMHz,omitempty"`
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/vmcompute.go b/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/vmcompute.go
index 7c2a0dc28..e42bf8cfa 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/vmcompute.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/vmcompute.go
@@ -26,6 +26,7 @@ import (
 //sys hcsResumeComputeSystem(computeSystem HcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsResumeComputeSystem?
 //sys hcsGetComputeSystemProperties(computeSystem HcsSystem, propertyQuery string, properties **uint16, result **uint16) (hr error) = vmcompute.HcsGetComputeSystemProperties?
 //sys hcsModifyComputeSystem(computeSystem HcsSystem, configuration string, result **uint16) (hr error) = vmcompute.HcsModifyComputeSystem?
+//sys hcsModifyServiceSettings(settings string, result **uint16) (hr error) = vmcompute.HcsModifyServiceSettings?
 //sys hcsRegisterComputeSystemCallback(computeSystem HcsSystem, callback uintptr, context uintptr, callbackHandle *HcsCallback) (hr error) = vmcompute.HcsRegisterComputeSystemCallback?
 //sys hcsUnregisterComputeSystemCallback(callbackHandle HcsCallback) (hr error) = vmcompute.HcsUnregisterComputeSystemCallback?
 
@@ -337,6 +338,27 @@ func HcsModifyComputeSystem(ctx gcontext.Context, computeSystem HcsSystem, confi
 	})
 }
 
+func HcsModifyServiceSettings(ctx gcontext.Context, settings string) (result string, hr error) {
+	ctx, span := trace.StartSpan(ctx, "HcsModifyServiceSettings")
+	defer span.End()
+	defer func() {
+		if result != "" {
+			span.AddAttributes(trace.StringAttribute("result", result))
+		}
+		oc.SetSpanStatus(span, hr)
+	}()
+	span.AddAttributes(trace.StringAttribute("settings", settings))
+
+	return result, execute(ctx, timeout.SyscallWatcher, func() error {
+		var resultp *uint16
+		err := hcsModifyServiceSettings(settings, &resultp)
+		if resultp != nil {
+			result = interop.ConvertAndFreeCoTaskMemString(resultp)
+		}
+		return err
+	})
+}
+
 func HcsRegisterComputeSystemCallback(ctx gcontext.Context, computeSystem HcsSystem, callback uintptr, context uintptr) (callbackHandle HcsCallback, hr error) {
 	ctx, span := trace.StartSpan(ctx, "HcsRegisterComputeSystemCallback")
 	defer span.End()
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/zsyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/zsyscall_windows.go
index 0f2a69f6a..8cfded496 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/zsyscall_windows.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/vmcompute/zsyscall_windows.go
@@ -50,6 +50,7 @@ var (
 	procHcsResumeComputeSystem             = modvmcompute.NewProc("HcsResumeComputeSystem")
 	procHcsGetComputeSystemProperties      = modvmcompute.NewProc("HcsGetComputeSystemProperties")
 	procHcsModifyComputeSystem             = modvmcompute.NewProc("HcsModifyComputeSystem")
+	procHcsModifyServiceSettings           = modvmcompute.NewProc("HcsModifyServiceSettings")
 	procHcsRegisterComputeSystemCallback   = modvmcompute.NewProc("HcsRegisterComputeSystemCallback")
 	procHcsUnregisterComputeSystemCallback = modvmcompute.NewProc("HcsUnregisterComputeSystemCallback")
 	procHcsCreateProcess                   = modvmcompute.NewProc("HcsCreateProcess")
@@ -314,6 +315,29 @@ func _hcsModifyComputeSystem(computeSystem HcsSystem, configuration *uint16, res
 	return
 }
 
+func hcsModifyServiceSettings(settings string, result **uint16) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(settings)
+	if hr != nil {
+		return
+	}
+	return _hcsModifyServiceSettings(_p0, result)
+}
+
+func _hcsModifyServiceSettings(settings *uint16, result **uint16) (hr error) {
+	if hr = procHcsModifyServiceSettings.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsModifyServiceSettings.Addr(), 2, uintptr(unsafe.Pointer(settings)), uintptr(unsafe.Pointer(result)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
 func hcsRegisterComputeSystemCallback(computeSystem HcsSystem, callback uintptr, context uintptr, callbackHandle *HcsCallback) (hr error) {
 	if hr = procHcsRegisterComputeSystemCallback.Find(); hr != nil {
 		return
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayer.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayer.go
index f907a7044..3ec708d1e 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayer.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayer.go
@@ -11,6 +11,7 @@ import (
 	"github.com/Microsoft/hcsshim/internal/hcserror"
 	"github.com/Microsoft/hcsshim/internal/oc"
 	"github.com/Microsoft/hcsshim/internal/safefile"
+	"github.com/Microsoft/hcsshim/internal/winapi"
 	"go.opencensus.io/trace"
 )
 
@@ -37,7 +38,7 @@ type dirInfo struct {
 func reapplyDirectoryTimes(root *os.File, dis []dirInfo) error {
 	for i := range dis {
 		di := &dis[len(dis)-i-1] // reverse order: process child directories first
-		f, err := safefile.OpenRelative(di.path, root, syscall.GENERIC_READ|syscall.GENERIC_WRITE, syscall.FILE_SHARE_READ, safefile.FILE_OPEN, safefile.FILE_DIRECTORY_FILE)
+		f, err := safefile.OpenRelative(di.path, root, syscall.GENERIC_READ|syscall.GENERIC_WRITE, syscall.FILE_SHARE_READ, winapi.FILE_OPEN, winapi.FILE_DIRECTORY_FILE|syscall.FILE_FLAG_OPEN_REPARSE_POINT)
 		if err != nil {
 			return err
 		}
@@ -47,6 +48,7 @@ func reapplyDirectoryTimes(root *os.File, dis []dirInfo) error {
 		if err != nil {
 			return err
 		}
+
 	}
 	return nil
 }
@@ -92,14 +94,12 @@ func (w *baseLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) (err e
 
 	extraFlags := uint32(0)
 	if fileInfo.FileAttributes&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
-		extraFlags |= safefile.FILE_DIRECTORY_FILE
-		if fileInfo.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT == 0 {
-			w.dirInfo = append(w.dirInfo, dirInfo{name, *fileInfo})
-		}
+		extraFlags |= winapi.FILE_DIRECTORY_FILE
+		w.dirInfo = append(w.dirInfo, dirInfo{name, *fileInfo})
 	}
 
 	mode := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE | winio.WRITE_DAC | winio.WRITE_OWNER | winio.ACCESS_SYSTEM_SECURITY)
-	f, err = safefile.OpenRelative(name, w.root, mode, syscall.FILE_SHARE_READ, safefile.FILE_CREATE, extraFlags)
+	f, err = safefile.OpenRelative(name, w.root, mode, syscall.FILE_SHARE_READ, winapi.FILE_CREATE, extraFlags)
 	if err != nil {
 		return hcserror.New(err, "Failed to safefile.OpenRelative", name)
 	}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go
index e3ff952a7..5a3809ae2 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go
@@ -10,9 +10,7 @@ import (
 )
 
 // CreateScratchLayer creates and populates new read-write layer for use by a container.
-// This requires both the id of the direct parent layer, as well as the full list
-// of paths to all parent layers up to the base (and including the direct parent
-// whose id was provided).
+// This requires the full list of paths to all parent layers up to the base
 func CreateScratchLayer(ctx context.Context, path string, parentLayerPaths []string) (err error) {
 	title := "hcsshim::CreateScratchLayer"
 	ctx, span := trace.StartSpan(ctx, title)
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/importlayer.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/importlayer.go
index 16800b394..b3c150d66 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/importlayer.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/importlayer.go
@@ -93,6 +93,19 @@ func (r *legacyLayerWriterWrapper) Close() (err error) {
 			return err
 		}
 	}
+
+	// The reapplyDirectoryTimes must be called AFTER we are done with Tombstone
+	// deletion and hard link creation. This is because Tombstone deletion and hard link
+	// creation updates the directory last write timestamps so that will change the
+	// timestamps added by the `Add` call. Some container applications depend on the
+	// correctness of these timestamps and so we should change the timestamps back to
+	// the original value (i.e the value provided in the Add call) after this
+	// processing is done.
+	err = reapplyDirectoryTimes(r.destRoot, r.changedDi)
+	if err != nil {
+		return err
+	}
+
 	// Prepare the utility VM for use if one is present in the layer.
 	if r.HasUtilityVM {
 		err := safefile.EnsureNotReparsePointRelative("UtilityVM", r.destRoot)
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/legacy.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/legacy.go
index b8ea5d263..dc3caf751 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/legacy.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/legacy.go
@@ -15,6 +15,7 @@ import (
 	"github.com/Microsoft/go-winio"
 	"github.com/Microsoft/hcsshim/internal/longpath"
 	"github.com/Microsoft/hcsshim/internal/safefile"
+	"github.com/Microsoft/hcsshim/internal/winapi"
 )
 
 var errorIterationCanceled = errors.New("")
@@ -341,7 +342,7 @@ type legacyLayerWriter struct {
 	backupWriter    *winio.BackupFileWriter
 	Tombstones      []string
 	HasUtilityVM    bool
-	uvmDi           []dirInfo
+	changedDi       []dirInfo
 	addedFiles      map[string]bool
 	PendingLinks    []pendingLink
 	pendingDirs     []pendingDir
@@ -472,8 +473,8 @@ func copyFileWithMetadata(srcRoot, destRoot *os.File, subPath string, isDir bool
 		srcRoot,
 		syscall.GENERIC_READ|winio.ACCESS_SYSTEM_SECURITY,
 		syscall.FILE_SHARE_READ,
-		safefile.FILE_OPEN,
-		safefile.FILE_OPEN_REPARSE_POINT)
+		winapi.FILE_OPEN,
+		winapi.FILE_OPEN_REPARSE_POINT)
 	if err != nil {
 		return nil, err
 	}
@@ -488,14 +489,14 @@ func copyFileWithMetadata(srcRoot, destRoot *os.File, subPath string, isDir bool
 
 	extraFlags := uint32(0)
 	if isDir {
-		extraFlags |= safefile.FILE_DIRECTORY_FILE
+		extraFlags |= winapi.FILE_DIRECTORY_FILE
 	}
 	dest, err := safefile.OpenRelative(
 		subPath,
 		destRoot,
 		syscall.GENERIC_READ|syscall.GENERIC_WRITE|winio.WRITE_DAC|winio.WRITE_OWNER|winio.ACCESS_SYSTEM_SECURITY,
 		syscall.FILE_SHARE_READ,
-		safefile.FILE_CREATE,
+		winapi.FILE_CREATE,
 		extraFlags)
 	if err != nil {
 		return nil, err
@@ -555,7 +556,7 @@ func cloneTree(srcRoot *os.File, destRoot *os.File, subPath string, mutatedFiles
 			if err != nil {
 				return err
 			}
-			if isDir && !isReparsePoint {
+			if isDir {
 				di = append(di, dirInfo{path: relPath, fileInfo: *fi})
 			}
 		} else {
@@ -583,6 +584,10 @@ func (w *legacyLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) erro
 		return w.initUtilityVM()
 	}
 
+	if (fileInfo.FileAttributes & syscall.FILE_ATTRIBUTE_DIRECTORY) != 0 {
+		w.changedDi = append(w.changedDi, dirInfo{path: name, fileInfo: *fileInfo})
+	}
+
 	name = filepath.Clean(name)
 	if hasPathPrefix(name, utilityVMPath) {
 		if !w.HasUtilityVM {
@@ -591,7 +596,7 @@ func (w *legacyLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) erro
 		if !hasPathPrefix(name, utilityVMFilesPath) && name != utilityVMFilesPath {
 			return errors.New("invalid UtilityVM layer")
 		}
-		createDisposition := uint32(safefile.FILE_OPEN)
+		createDisposition := uint32(winapi.FILE_OPEN)
 		if (fileInfo.FileAttributes & syscall.FILE_ATTRIBUTE_DIRECTORY) != 0 {
 			st, err := safefile.LstatRelative(name, w.destRoot)
 			if err != nil && !os.IsNotExist(err) {
@@ -612,16 +617,13 @@ func (w *legacyLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) erro
 					return err
 				}
 			}
-			if fileInfo.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT == 0 {
-				w.uvmDi = append(w.uvmDi, dirInfo{path: name, fileInfo: *fileInfo})
-			}
 		} else {
 			// Overwrite any existing hard link.
 			err := safefile.RemoveRelative(name, w.destRoot)
 			if err != nil && !os.IsNotExist(err) {
 				return err
 			}
-			createDisposition = safefile.FILE_CREATE
+			createDisposition = winapi.FILE_CREATE
 		}
 
 		f, err := safefile.OpenRelative(
@@ -630,7 +632,7 @@ func (w *legacyLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) erro
 			syscall.GENERIC_READ|syscall.GENERIC_WRITE|winio.WRITE_DAC|winio.WRITE_OWNER|winio.ACCESS_SYSTEM_SECURITY,
 			syscall.FILE_SHARE_READ,
 			createDisposition,
-			safefile.FILE_OPEN_REPARSE_POINT,
+			winapi.FILE_OPEN_REPARSE_POINT,
 		)
 		if err != nil {
 			return err
@@ -667,7 +669,7 @@ func (w *legacyLayerWriter) Add(name string, fileInfo *winio.FileBasicInfo) erro
 		w.currentIsDir = true
 	}
 
-	f, err := safefile.OpenRelative(fname, w.root, syscall.GENERIC_READ|syscall.GENERIC_WRITE, syscall.FILE_SHARE_READ, safefile.FILE_CREATE, 0)
+	f, err := safefile.OpenRelative(fname, w.root, syscall.GENERIC_READ|syscall.GENERIC_WRITE, syscall.FILE_SHARE_READ, winapi.FILE_CREATE, 0)
 	if err != nil {
 		return err
 	}
@@ -805,11 +807,5 @@ func (w *legacyLayerWriter) Close() error {
 			return err
 		}
 	}
-	if w.HasUtilityVM {
-		err := reapplyDirectoryTimes(w.destRoot, w.uvmDi)
-		if err != nil {
-			return err
-		}
-	}
 	return nil
 }
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/wclayer.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/wclayer.go
index dc40bf519..9b1e06d50 100644
--- a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/wclayer.go
+++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/wclayer.go
@@ -1,3 +1,6 @@
+// Package wclayer provides bindings to HCS's legacy layer management API and
+// provides a higher level interface around these calls for container layer
+// management.
 package wclayer
 
 import "github.com/Microsoft/go-winio/pkg/guid"
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/devices.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/devices.go
new file mode 100644
index 000000000..df28ea242
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/devices.go
@@ -0,0 +1,13 @@
+package winapi
+
+import "github.com/Microsoft/go-winio/pkg/guid"
+
+//sys CMGetDeviceIDListSize(pulLen *uint32, pszFilter *byte, uFlags uint32) (hr error) = cfgmgr32.CM_Get_Device_ID_List_SizeA
+//sys CMGetDeviceIDList(pszFilter *byte, buffer *byte, bufferLen uint32, uFlags uint32) (hr error)= cfgmgr32.CM_Get_Device_ID_ListA
+//sys CMLocateDevNode(pdnDevInst *uint32, pDeviceID string, uFlags uint32) (hr error) = cfgmgr32.CM_Locate_DevNodeW
+//sys CMGetDevNodeProperty(dnDevInst uint32, propertyKey *DevPropKey, propertyType *uint32, propertyBuffer *uint16, propertyBufferSize *uint32, uFlags uint32) (hr error) = cfgmgr32.CM_Get_DevNode_PropertyW
+
+type DevPropKey struct {
+	Fmtid guid.GUID
+	Pid   uint32
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/errors.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/errors.go
new file mode 100644
index 000000000..4e80ef68c
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/errors.go
@@ -0,0 +1,15 @@
+package winapi
+
+import "syscall"
+
+//sys RtlNtStatusToDosError(status uint32) (winerr error) = ntdll.RtlNtStatusToDosError
+
+const (
+	STATUS_REPARSE_POINT_ENCOUNTERED               = 0xC000050B
+	ERROR_NO_MORE_ITEMS                            = 0x103
+	ERROR_MORE_DATA                  syscall.Errno = 234
+)
+
+func NTSuccess(status uint32) bool {
+	return status == 0
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/filesystem.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/filesystem.go
new file mode 100644
index 000000000..490576b94
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/filesystem.go
@@ -0,0 +1,110 @@
+package winapi
+
+//sys NtCreateFile(handle *uintptr, accessMask uint32, oa *ObjectAttributes, iosb *IOStatusBlock, allocationSize *uint64, fileAttributes uint32, shareAccess uint32, createDisposition uint32, createOptions uint32, eaBuffer *byte, eaLength uint32) (status uint32) = ntdll.NtCreateFile
+//sys NtSetInformationFile(handle uintptr, iosb *IOStatusBlock, information uintptr, length uint32, class uint32) (status uint32) = ntdll.NtSetInformationFile
+
+//sys NtOpenDirectoryObject(handle *uintptr, accessMask uint32, oa *ObjectAttributes) (status uint32) = ntdll.NtOpenDirectoryObject
+//sys NtQueryDirectoryObject(handle uintptr, buffer *byte, length uint32, singleEntry bool, restartScan bool, context *uint32, returnLength *uint32)(status uint32) = ntdll.NtQueryDirectoryObject
+
+const (
+	FileLinkInformationClass          = 11
+	FileDispositionInformationExClass = 64
+
+	FILE_READ_ATTRIBUTES  = 0x0080
+	FILE_WRITE_ATTRIBUTES = 0x0100
+	DELETE                = 0x10000
+
+	FILE_OPEN   = 1
+	FILE_CREATE = 2
+
+	FILE_LIST_DIRECTORY          = 0x00000001
+	FILE_DIRECTORY_FILE          = 0x00000001
+	FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020
+	FILE_OPEN_FOR_BACKUP_INTENT  = 0x00004000
+	FILE_OPEN_REPARSE_POINT      = 0x00200000
+
+	FILE_DISPOSITION_DELETE = 0x00000001
+
+	OBJ_DONT_REPARSE = 0x1000
+
+	STATUS_MORE_ENTRIES    = 0x105
+	STATUS_NO_MORE_ENTRIES = 0x8000001a
+)
+
+// Select entries from FILE_INFO_BY_HANDLE_CLASS.
+//
+// C declaration:
+//   typedef enum _FILE_INFO_BY_HANDLE_CLASS {
+//       FileBasicInfo,
+//       FileStandardInfo,
+//       FileNameInfo,
+//       FileRenameInfo,
+//       FileDispositionInfo,
+//       FileAllocationInfo,
+//       FileEndOfFileInfo,
+//       FileStreamInfo,
+//       FileCompressionInfo,
+//       FileAttributeTagInfo,
+//       FileIdBothDirectoryInfo,
+//       FileIdBothDirectoryRestartInfo,
+//       FileIoPriorityHintInfo,
+//       FileRemoteProtocolInfo,
+//       FileFullDirectoryInfo,
+//       FileFullDirectoryRestartInfo,
+//       FileStorageInfo,
+//       FileAlignmentInfo,
+//       FileIdInfo,
+//       FileIdExtdDirectoryInfo,
+//       FileIdExtdDirectoryRestartInfo,
+//       FileDispositionInfoEx,
+//       FileRenameInfoEx,
+//       FileCaseSensitiveInfo,
+//       FileNormalizedNameInfo,
+//       MaximumFileInfoByHandleClass
+//   } FILE_INFO_BY_HANDLE_CLASS, *PFILE_INFO_BY_HANDLE_CLASS;
+//
+// Documentation: https://docs.microsoft.com/en-us/windows/win32/api/minwinbase/ne-minwinbase-file_info_by_handle_class
+const (
+	FileIdInfo = 18
+)
+
+type FileDispositionInformationEx struct {
+	Flags uintptr
+}
+
+type IOStatusBlock struct {
+	Status, Information uintptr
+}
+
+type ObjectAttributes struct {
+	Length             uintptr
+	RootDirectory      uintptr
+	ObjectName         uintptr
+	Attributes         uintptr
+	SecurityDescriptor uintptr
+	SecurityQoS        uintptr
+}
+
+type ObjectDirectoryInformation struct {
+	Name     UnicodeString
+	TypeName UnicodeString
+}
+
+type FileLinkInformation struct {
+	ReplaceIfExists bool
+	RootDirectory   uintptr
+	FileNameLength  uint32
+	FileName        [1]uint16
+}
+
+// C declaration:
+//   typedef struct _FILE_ID_INFO {
+//       ULONGLONG   VolumeSerialNumber;
+//       FILE_ID_128 FileId;
+//   } FILE_ID_INFO, *PFILE_ID_INFO;
+//
+// Documentation: https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_id_info
+type FILE_ID_INFO struct {
+	VolumeSerialNumber uint64
+	FileID             [16]byte
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/iocp.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/iocp.go
new file mode 100644
index 000000000..4e609cbf1
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/iocp.go
@@ -0,0 +1,3 @@
+package winapi
+
+//sys GetQueuedCompletionStatus(cphandle windows.Handle, qty *uint32, key *uintptr, overlapped **windows.Overlapped, timeout uint32) (err error)
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go
new file mode 100644
index 000000000..6cb411cc4
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go
@@ -0,0 +1,185 @@
+package winapi
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+// Messages that can be received from an assigned io completion port.
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_associate_completion_port
+const (
+	JOB_OBJECT_MSG_END_OF_JOB_TIME       uint32 = 1
+	JOB_OBJECT_MSG_END_OF_PROCESS_TIME   uint32 = 2
+	JOB_OBJECT_MSG_ACTIVE_PROCESS_LIMIT  uint32 = 3
+	JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO   uint32 = 4
+	JOB_OBJECT_MSG_NEW_PROCESS           uint32 = 6
+	JOB_OBJECT_MSG_EXIT_PROCESS          uint32 = 7
+	JOB_OBJECT_MSG_ABNORMAL_EXIT_PROCESS uint32 = 8
+	JOB_OBJECT_MSG_PROCESS_MEMORY_LIMIT  uint32 = 9
+	JOB_OBJECT_MSG_JOB_MEMORY_LIMIT      uint32 = 10
+	JOB_OBJECT_MSG_NOTIFICATION_LIMIT    uint32 = 11
+)
+
+// IO limit flags
+//
+// https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
+const JOB_OBJECT_IO_RATE_CONTROL_ENABLE = 0x1
+
+const JOBOBJECT_IO_ATTRIBUTION_CONTROL_ENABLE uint32 = 0x1
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_information
+const (
+	JOB_OBJECT_CPU_RATE_CONTROL_ENABLE uint32 = 1 << iota
+	JOB_OBJECT_CPU_RATE_CONTROL_WEIGHT_BASED
+	JOB_OBJECT_CPU_RATE_CONTROL_HARD_CAP
+	JOB_OBJECT_CPU_RATE_CONTROL_NOTIFY
+	JOB_OBJECT_CPU_RATE_CONTROL_MIN_MAX_RATE
+)
+
+// JobObjectInformationClass values. Used for a call to QueryInformationJobObject
+//
+// https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/nf-jobapi2-queryinformationjobobject
+const (
+	JobObjectBasicAccountingInformation      uint32 = 1
+	JobObjectBasicProcessIdList              uint32 = 3
+	JobObjectBasicAndIoAccountingInformation uint32 = 8
+	JobObjectLimitViolationInformation       uint32 = 13
+	JobObjectMemoryUsageInformation          uint32 = 28
+	JobObjectNotificationLimitInformation2   uint32 = 33
+	JobObjectIoAttribution                   uint32 = 42
+)
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_limit_information
+type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
+	PerProcessUserTimeLimit int64
+	PerJobUserTimeLimit     int64
+	LimitFlags              uint32
+	MinimumWorkingSetSize   uintptr
+	MaximumWorkingSetSize   uintptr
+	ActiveProcessLimit      uint32
+	Affinity                uintptr
+	PriorityClass           uint32
+	SchedulingClass         uint32
+}
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_cpu_rate_control_information
+type JOBOBJECT_CPU_RATE_CONTROL_INFORMATION struct {
+	ControlFlags uint32
+	Value        uint32
+}
+
+// https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
+type JOBOBJECT_IO_RATE_CONTROL_INFORMATION struct {
+	MaxIops         int64
+	MaxBandwidth    int64
+	ReservationIops int64
+	BaseIOSize      uint32
+	VolumeName      string
+	ControlFlags    uint32
+}
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_process_id_list
+type JOBOBJECT_BASIC_PROCESS_ID_LIST struct {
+	NumberOfAssignedProcesses uint32
+	NumberOfProcessIdsInList  uint32
+	ProcessIdList             [1]uintptr
+}
+
+// AllPids returns all the process Ids in the job object.
+func (p *JOBOBJECT_BASIC_PROCESS_ID_LIST) AllPids() []uintptr {
+	return (*[(1 << 27) - 1]uintptr)(unsafe.Pointer(&p.ProcessIdList[0]))[:p.NumberOfProcessIdsInList]
+}
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_accounting_information
+type JOBOBJECT_BASIC_ACCOUNTING_INFORMATION struct {
+	TotalUserTime             int64
+	TotalKernelTime           int64
+	ThisPeriodTotalUserTime   int64
+	ThisPeriodTotalKernelTime int64
+	TotalPageFaultCount       uint32
+	TotalProcesses            uint32
+	ActiveProcesses           uint32
+	TotalTerminateProcesses   uint32
+}
+
+//https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_basic_and_io_accounting_information
+type JOBOBJECT_BASIC_AND_IO_ACCOUNTING_INFORMATION struct {
+	BasicInfo JOBOBJECT_BASIC_ACCOUNTING_INFORMATION
+	IoInfo    windows.IO_COUNTERS
+}
+
+// typedef struct _JOBOBJECT_MEMORY_USAGE_INFORMATION {
+//     ULONG64 JobMemory;
+//     ULONG64 PeakJobMemoryUsed;
+// } JOBOBJECT_MEMORY_USAGE_INFORMATION, *PJOBOBJECT_MEMORY_USAGE_INFORMATION;
+//
+type JOBOBJECT_MEMORY_USAGE_INFORMATION struct {
+	JobMemory         uint64
+	PeakJobMemoryUsed uint64
+}
+
+// typedef struct _JOBOBJECT_IO_ATTRIBUTION_STATS {
+//     ULONG_PTR IoCount;
+//     ULONGLONG TotalNonOverlappedQueueTime;
+//     ULONGLONG TotalNonOverlappedServiceTime;
+//     ULONGLONG TotalSize;
+// } JOBOBJECT_IO_ATTRIBUTION_STATS, *PJOBOBJECT_IO_ATTRIBUTION_STATS;
+//
+type JOBOBJECT_IO_ATTRIBUTION_STATS struct {
+	IoCount                       uintptr
+	TotalNonOverlappedQueueTime   uint64
+	TotalNonOverlappedServiceTime uint64
+	TotalSize                     uint64
+}
+
+// typedef struct _JOBOBJECT_IO_ATTRIBUTION_INFORMATION {
+//     ULONG ControlFlags;
+//     JOBOBJECT_IO_ATTRIBUTION_STATS ReadStats;
+//     JOBOBJECT_IO_ATTRIBUTION_STATS WriteStats;
+// } JOBOBJECT_IO_ATTRIBUTION_INFORMATION, *PJOBOBJECT_IO_ATTRIBUTION_INFORMATION;
+//
+type JOBOBJECT_IO_ATTRIBUTION_INFORMATION struct {
+	ControlFlags uint32
+	ReadStats    JOBOBJECT_IO_ATTRIBUTION_STATS
+	WriteStats   JOBOBJECT_IO_ATTRIBUTION_STATS
+}
+
+// https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-jobobject_associate_completion_port
+type JOBOBJECT_ASSOCIATE_COMPLETION_PORT struct {
+	CompletionKey  windows.Handle
+	CompletionPort windows.Handle
+}
+
+// BOOL IsProcessInJob(
+// 		HANDLE ProcessHandle,
+// 		HANDLE JobHandle,
+// 		PBOOL  Result
+// );
+//
+//sys IsProcessInJob(procHandle windows.Handle, jobHandle windows.Handle, result *bool) (err error) = kernel32.IsProcessInJob
+
+// BOOL QueryInformationJobObject(
+//		HANDLE             hJob,
+//		JOBOBJECTINFOCLASS JobObjectInformationClass,
+//		LPVOID             lpJobObjectInformation,
+//		DWORD              cbJobObjectInformationLength,
+//		LPDWORD            lpReturnLength
+// );
+//
+//sys QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo uintptr, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) = kernel32.QueryInformationJobObject
+
+// HANDLE OpenJobObjectW(
+//		DWORD   dwDesiredAccess,
+//		BOOL    bInheritHandle,
+//		LPCWSTR lpName
+// );
+//
+//sys OpenJobObject(desiredAccess uint32, inheritHandle bool, lpName *uint16) (handle windows.Handle, err error) = kernel32.OpenJobObjectW
+
+// DWORD SetIoRateControlInformationJobObject(
+//		HANDLE                                hJob,
+//		JOBOBJECT_IO_RATE_CONTROL_INFORMATION *IoRateControlInfo
+// );
+//
+//sys SetIoRateControlInformationJobObject(jobHandle windows.Handle, ioRateControlInfo *JOBOBJECT_IO_RATE_CONTROL_INFORMATION) (ret uint32, err error) = kernel32.SetIoRateControlInformationJobObject
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/logon.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/logon.go
new file mode 100644
index 000000000..b6e7cfd46
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/logon.go
@@ -0,0 +1,30 @@
+package winapi
+
+// BOOL LogonUserA(
+// 	LPCWSTR  lpszUsername,
+// 	LPCWSTR  lpszDomain,
+// 	LPCWSTR  lpszPassword,
+// 	DWORD   dwLogonType,
+// 	DWORD   dwLogonProvider,
+// 	PHANDLE phToken
+// );
+//
+//sys LogonUser(username *uint16, domain *uint16, password *uint16, logonType uint32, logonProvider uint32, token *windows.Token) (err error) = advapi32.LogonUserW
+
+// Logon types
+const (
+	LOGON32_LOGON_INTERACTIVE       uint32 = 2
+	LOGON32_LOGON_NETWORK           uint32 = 3
+	LOGON32_LOGON_BATCH             uint32 = 4
+	LOGON32_LOGON_SERVICE           uint32 = 5
+	LOGON32_LOGON_UNLOCK            uint32 = 7
+	LOGON32_LOGON_NETWORK_CLEARTEXT uint32 = 8
+	LOGON32_LOGON_NEW_CREDENTIALS   uint32 = 9
+)
+
+// Logon providers
+const (
+	LOGON32_PROVIDER_DEFAULT uint32 = 0
+	LOGON32_PROVIDER_WINNT40 uint32 = 2
+	LOGON32_PROVIDER_WINNT50 uint32 = 3
+)
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/memory.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/memory.go
new file mode 100644
index 000000000..ccaf5a624
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/memory.go
@@ -0,0 +1,11 @@
+package winapi
+
+// VOID RtlMoveMemory(
+// 	_Out_       VOID UNALIGNED *Destination,
+// 	_In_  const VOID UNALIGNED *Source,
+// 	_In_        SIZE_T         Length
+// );
+//sys RtlMoveMemory(destination *byte, source *byte, length uintptr) (err error) = kernel32.RtlMoveMemory
+
+//sys LocalAlloc(flags uint32, size int) (ptr uintptr) = kernel32.LocalAlloc
+//sys LocalFree(ptr uintptr) = kernel32.LocalFree
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/net.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/net.go
new file mode 100644
index 000000000..f37910024
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/net.go
@@ -0,0 +1,3 @@
+package winapi
+
+//sys SetJobCompartmentId(handle windows.Handle, compartmentId uint32) (win32Err error) = iphlpapi.SetJobCompartmentId
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/path.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/path.go
new file mode 100644
index 000000000..0ae8f33ea
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/path.go
@@ -0,0 +1,11 @@
+package winapi
+
+// DWORD SearchPathW(
+// 	LPCWSTR lpPath,
+// 	LPCWSTR lpFileName,
+// 	LPCWSTR lpExtension,
+// 	DWORD   nBufferLength,
+// 	LPWSTR  lpBuffer,
+// 	LPWSTR  *lpFilePart
+// );
+//sys SearchPath(lpPath *uint16, lpFileName *uint16, lpExtension *uint16, nBufferLength uint32, lpBuffer *uint16, lpFilePath **uint16) (size uint32, err error) = kernel32.SearchPathW
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/process.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/process.go
new file mode 100644
index 000000000..adf0168ea
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/process.go
@@ -0,0 +1,3 @@
+package winapi
+
+const PROCESS_ALL_ACCESS uint32 = 2097151
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/processor.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/processor.go
new file mode 100644
index 000000000..ce79ac2cd
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/processor.go
@@ -0,0 +1,7 @@
+package winapi
+
+// Get count from all processor groups.
+// https://docs.microsoft.com/en-us/windows/win32/procthread/processor-groups
+const ALL_PROCESSOR_GROUPS = 0xFFFF
+
+//sys GetActiveProcessorCount(groupNumber uint16) (amount uint32) = kernel32.GetActiveProcessorCount
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/utils.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/utils.go
new file mode 100644
index 000000000..f3055d417
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/utils.go
@@ -0,0 +1,60 @@
+package winapi
+
+import (
+	"errors"
+	"syscall"
+	"unicode/utf16"
+	"unsafe"
+)
+
+type UnicodeString struct {
+	Length        uint16
+	MaximumLength uint16
+	Buffer        *uint16
+}
+
+//String converts a UnicodeString to a golang string
+func (uni UnicodeString) String() string {
+	p := (*[0xffff]uint16)(unsafe.Pointer(uni.Buffer))
+
+	// UnicodeString is not guaranteed to be null terminated, therefore
+	// use the UnicodeString's Length field
+	lengthInChars := uni.Length / 2
+	return syscall.UTF16ToString(p[:lengthInChars])
+}
+
+// NewUnicodeString allocates a new UnicodeString and copies `s` into
+// the buffer of the new UnicodeString.
+func NewUnicodeString(s string) (*UnicodeString, error) {
+	ws := utf16.Encode(([]rune)(s))
+	if len(ws) > 32767 {
+		return nil, syscall.ENAMETOOLONG
+	}
+
+	uni := &UnicodeString{
+		Length:        uint16(len(ws) * 2),
+		MaximumLength: uint16(len(ws) * 2),
+		Buffer:        &make([]uint16, len(ws))[0],
+	}
+	copy((*[32768]uint16)(unsafe.Pointer(uni.Buffer))[:], ws)
+	return uni, nil
+}
+
+// ConvertStringSetToSlice is a helper function used to convert the contents of
+// `buf` into a string slice. `buf` contains a set of null terminated strings
+// with an additional null at the end to indicate the end of the set.
+func ConvertStringSetToSlice(buf []byte) ([]string, error) {
+	var results []string
+	prev := 0
+	for i := range buf {
+		if buf[i] == 0 {
+			if prev == i {
+				// found two null characters in a row, return result
+				return results, nil
+			}
+			results = append(results, string(buf[prev:i]))
+			prev = i + 1
+		}
+	}
+	return nil, errors.New("string set malformed: missing null terminator at end of buffer")
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/winapi.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/winapi.go
new file mode 100644
index 000000000..77ea13e3e
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/winapi.go
@@ -0,0 +1,5 @@
+// Package winapi contains various low-level bindings to Windows APIs. It can
+// be thought of as an extension to golang.org/x/sys/windows.
+package winapi
+
+//go:generate go run ..\..\mksyscall_windows.go -output zsyscall_windows.go net.go iocp.go jobobject.go path.go logon.go memory.go processor.go devices.go filesystem.go errors.go
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go
new file mode 100644
index 000000000..0a990951d
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go
@@ -0,0 +1,294 @@
+// Code generated mksyscall_windows.exe DO NOT EDIT
+
+package winapi
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return nil
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
+	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+	modcfgmgr32 = windows.NewLazySystemDLL("cfgmgr32.dll")
+	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
+
+	procSetJobCompartmentId                  = modiphlpapi.NewProc("SetJobCompartmentId")
+	procIsProcessInJob                       = modkernel32.NewProc("IsProcessInJob")
+	procQueryInformationJobObject            = modkernel32.NewProc("QueryInformationJobObject")
+	procOpenJobObjectW                       = modkernel32.NewProc("OpenJobObjectW")
+	procSetIoRateControlInformationJobObject = modkernel32.NewProc("SetIoRateControlInformationJobObject")
+	procGetQueuedCompletionStatus            = modkernel32.NewProc("GetQueuedCompletionStatus")
+	procSearchPathW                          = modkernel32.NewProc("SearchPathW")
+	procLogonUserW                           = modadvapi32.NewProc("LogonUserW")
+	procRtlMoveMemory                        = modkernel32.NewProc("RtlMoveMemory")
+	procLocalAlloc                           = modkernel32.NewProc("LocalAlloc")
+	procLocalFree                            = modkernel32.NewProc("LocalFree")
+	procGetActiveProcessorCount              = modkernel32.NewProc("GetActiveProcessorCount")
+	procCM_Get_Device_ID_List_SizeA          = modcfgmgr32.NewProc("CM_Get_Device_ID_List_SizeA")
+	procCM_Get_Device_ID_ListA               = modcfgmgr32.NewProc("CM_Get_Device_ID_ListA")
+	procCM_Locate_DevNodeW                   = modcfgmgr32.NewProc("CM_Locate_DevNodeW")
+	procCM_Get_DevNode_PropertyW             = modcfgmgr32.NewProc("CM_Get_DevNode_PropertyW")
+	procNtCreateFile                         = modntdll.NewProc("NtCreateFile")
+	procNtSetInformationFile                 = modntdll.NewProc("NtSetInformationFile")
+	procNtOpenDirectoryObject                = modntdll.NewProc("NtOpenDirectoryObject")
+	procNtQueryDirectoryObject               = modntdll.NewProc("NtQueryDirectoryObject")
+	procRtlNtStatusToDosError                = modntdll.NewProc("RtlNtStatusToDosError")
+)
+
+func SetJobCompartmentId(handle windows.Handle, compartmentId uint32) (win32Err error) {
+	r0, _, _ := syscall.Syscall(procSetJobCompartmentId.Addr(), 2, uintptr(handle), uintptr(compartmentId), 0)
+	if r0 != 0 {
+		win32Err = syscall.Errno(r0)
+	}
+	return
+}
+
+func IsProcessInJob(procHandle windows.Handle, jobHandle windows.Handle, result *bool) (err error) {
+	r1, _, e1 := syscall.Syscall(procIsProcessInJob.Addr(), 3, uintptr(procHandle), uintptr(jobHandle), uintptr(unsafe.Pointer(result)))
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo uintptr, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procQueryInformationJobObject.Addr(), 5, uintptr(jobHandle), uintptr(infoClass), uintptr(jobObjectInfo), uintptr(jobObjectInformationLength), uintptr(unsafe.Pointer(lpReturnLength)), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func OpenJobObject(desiredAccess uint32, inheritHandle bool, lpName *uint16) (handle windows.Handle, err error) {
+	var _p0 uint32
+	if inheritHandle {
+		_p0 = 1
+	} else {
+		_p0 = 0
+	}
+	r0, _, e1 := syscall.Syscall(procOpenJobObjectW.Addr(), 3, uintptr(desiredAccess), uintptr(_p0), uintptr(unsafe.Pointer(lpName)))
+	handle = windows.Handle(r0)
+	if handle == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func SetIoRateControlInformationJobObject(jobHandle windows.Handle, ioRateControlInfo *JOBOBJECT_IO_RATE_CONTROL_INFORMATION) (ret uint32, err error) {
+	r0, _, e1 := syscall.Syscall(procSetIoRateControlInformationJobObject.Addr(), 2, uintptr(jobHandle), uintptr(unsafe.Pointer(ioRateControlInfo)), 0)
+	ret = uint32(r0)
+	if ret == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func GetQueuedCompletionStatus(cphandle windows.Handle, qty *uint32, key *uintptr, overlapped **windows.Overlapped, timeout uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(cphandle), uintptr(unsafe.Pointer(qty)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(overlapped)), uintptr(timeout), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func SearchPath(lpPath *uint16, lpFileName *uint16, lpExtension *uint16, nBufferLength uint32, lpBuffer *uint16, lpFilePath **uint16) (size uint32, err error) {
+	r0, _, e1 := syscall.Syscall6(procSearchPathW.Addr(), 6, uintptr(unsafe.Pointer(lpPath)), uintptr(unsafe.Pointer(lpFileName)), uintptr(unsafe.Pointer(lpExtension)), uintptr(nBufferLength), uintptr(unsafe.Pointer(lpBuffer)), uintptr(unsafe.Pointer(lpFilePath)))
+	size = uint32(r0)
+	if size == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func LogonUser(username *uint16, domain *uint16, password *uint16, logonType uint32, logonProvider uint32, token *windows.Token) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLogonUserW.Addr(), 6, uintptr(unsafe.Pointer(username)), uintptr(unsafe.Pointer(domain)), uintptr(unsafe.Pointer(password)), uintptr(logonType), uintptr(logonProvider), uintptr(unsafe.Pointer(token)))
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func RtlMoveMemory(destination *byte, source *byte, length uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall(procRtlMoveMemory.Addr(), 3, uintptr(unsafe.Pointer(destination)), uintptr(unsafe.Pointer(source)), uintptr(length))
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func LocalAlloc(flags uint32, size int) (ptr uintptr) {
+	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(flags), uintptr(size), 0)
+	ptr = uintptr(r0)
+	return
+}
+
+func LocalFree(ptr uintptr) {
+	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(ptr), 0, 0)
+	return
+}
+
+func GetActiveProcessorCount(groupNumber uint16) (amount uint32) {
+	r0, _, _ := syscall.Syscall(procGetActiveProcessorCount.Addr(), 1, uintptr(groupNumber), 0, 0)
+	amount = uint32(r0)
+	return
+}
+
+func CMGetDeviceIDListSize(pulLen *uint32, pszFilter *byte, uFlags uint32) (hr error) {
+	r0, _, _ := syscall.Syscall(procCM_Get_Device_ID_List_SizeA.Addr(), 3, uintptr(unsafe.Pointer(pulLen)), uintptr(unsafe.Pointer(pszFilter)), uintptr(uFlags))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func CMGetDeviceIDList(pszFilter *byte, buffer *byte, bufferLen uint32, uFlags uint32) (hr error) {
+	r0, _, _ := syscall.Syscall6(procCM_Get_Device_ID_ListA.Addr(), 4, uintptr(unsafe.Pointer(pszFilter)), uintptr(unsafe.Pointer(buffer)), uintptr(bufferLen), uintptr(uFlags), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func CMLocateDevNode(pdnDevInst *uint32, pDeviceID string, uFlags uint32) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(pDeviceID)
+	if hr != nil {
+		return
+	}
+	return _CMLocateDevNode(pdnDevInst, _p0, uFlags)
+}
+
+func _CMLocateDevNode(pdnDevInst *uint32, pDeviceID *uint16, uFlags uint32) (hr error) {
+	r0, _, _ := syscall.Syscall(procCM_Locate_DevNodeW.Addr(), 3, uintptr(unsafe.Pointer(pdnDevInst)), uintptr(unsafe.Pointer(pDeviceID)), uintptr(uFlags))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func CMGetDevNodeProperty(dnDevInst uint32, propertyKey *DevPropKey, propertyType *uint32, propertyBuffer *uint16, propertyBufferSize *uint32, uFlags uint32) (hr error) {
+	r0, _, _ := syscall.Syscall6(procCM_Get_DevNode_PropertyW.Addr(), 6, uintptr(dnDevInst), uintptr(unsafe.Pointer(propertyKey)), uintptr(unsafe.Pointer(propertyType)), uintptr(unsafe.Pointer(propertyBuffer)), uintptr(unsafe.Pointer(propertyBufferSize)), uintptr(uFlags))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func NtCreateFile(handle *uintptr, accessMask uint32, oa *ObjectAttributes, iosb *IOStatusBlock, allocationSize *uint64, fileAttributes uint32, shareAccess uint32, createDisposition uint32, createOptions uint32, eaBuffer *byte, eaLength uint32) (status uint32) {
+	r0, _, _ := syscall.Syscall12(procNtCreateFile.Addr(), 11, uintptr(unsafe.Pointer(handle)), uintptr(accessMask), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(unsafe.Pointer(allocationSize)), uintptr(fileAttributes), uintptr(shareAccess), uintptr(createDisposition), uintptr(createOptions), uintptr(unsafe.Pointer(eaBuffer)), uintptr(eaLength), 0)
+	status = uint32(r0)
+	return
+}
+
+func NtSetInformationFile(handle uintptr, iosb *IOStatusBlock, information uintptr, length uint32, class uint32) (status uint32) {
+	r0, _, _ := syscall.Syscall6(procNtSetInformationFile.Addr(), 5, uintptr(handle), uintptr(unsafe.Pointer(iosb)), uintptr(information), uintptr(length), uintptr(class), 0)
+	status = uint32(r0)
+	return
+}
+
+func NtOpenDirectoryObject(handle *uintptr, accessMask uint32, oa *ObjectAttributes) (status uint32) {
+	r0, _, _ := syscall.Syscall(procNtOpenDirectoryObject.Addr(), 3, uintptr(unsafe.Pointer(handle)), uintptr(accessMask), uintptr(unsafe.Pointer(oa)))
+	status = uint32(r0)
+	return
+}
+
+func NtQueryDirectoryObject(handle uintptr, buffer *byte, length uint32, singleEntry bool, restartScan bool, context *uint32, returnLength *uint32) (status uint32) {
+	var _p0 uint32
+	if singleEntry {
+		_p0 = 1
+	} else {
+		_p0 = 0
+	}
+	var _p1 uint32
+	if restartScan {
+		_p1 = 1
+	} else {
+		_p1 = 0
+	}
+	r0, _, _ := syscall.Syscall9(procNtQueryDirectoryObject.Addr(), 7, uintptr(handle), uintptr(unsafe.Pointer(buffer)), uintptr(length), uintptr(_p0), uintptr(_p1), uintptr(unsafe.Pointer(context)), uintptr(unsafe.Pointer(returnLength)), 0, 0)
+	status = uint32(r0)
+	return
+}
+
+func RtlNtStatusToDosError(status uint32) (winerr error) {
+	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosError.Addr(), 1, uintptr(status), 0, 0)
+	if r0 != 0 {
+		winerr = syscall.Errno(r0)
+	}
+	return
+}
diff --git a/vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go b/vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go
index 726d1c8c1..e9267b955 100644
--- a/vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go
+++ b/vendor/github.com/Microsoft/hcsshim/osversion/windowsbuilds.go
@@ -24,4 +24,15 @@ const (
 	// V19H1 (version 1903) corresponds to Windows Server 1903 (semi-annual
 	// channel).
 	V19H1 = 18362
+
+	// V19H2 (version 1909) corresponds to Windows Server 1909 (semi-annual
+	// channel).
+	V19H2 = 18363
+
+	// V20H1 (version 2004) corresponds to Windows Server 2004 (semi-annual
+	// channel).
+	V20H1 = 19041
+
+	// V20H2 corresponds to Windows Server 20H2 (semi-annual channel).
+	V20H2 = 19042
 )
diff --git a/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.go b/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.go
index c7884e8ef..713376d5e 100644
--- a/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.go
+++ b/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.go
@@ -32,6 +32,7 @@ type Metrics struct {
 	Blkio                *BlkIOStat     `protobuf:"bytes,5,opt,name=blkio,proto3" json:"blkio,omitempty"`
 	Rdma                 *RdmaStat      `protobuf:"bytes,6,opt,name=rdma,proto3" json:"rdma,omitempty"`
 	Network              []*NetworkStat `protobuf:"bytes,7,rep,name=network,proto3" json:"network,omitempty"`
+	CgroupStats          *CgroupStats   `protobuf:"bytes,8,opt,name=cgroup_stats,json=cgroupStats,proto3" json:"cgroup_stats,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
 	XXX_unrecognized     []byte         `json:"-"`
 	XXX_sizecache        int32          `json:"-"`
@@ -608,6 +609,55 @@ func (m *NetworkStat) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_NetworkStat proto.InternalMessageInfo
 
+// CgroupStats exports per-cgroup statistics.
+type CgroupStats struct {
+	// number of tasks sleeping
+	NrSleeping uint64 `protobuf:"varint,1,opt,name=nr_sleeping,json=nrSleeping,proto3" json:"nr_sleeping,omitempty"`
+	// number of tasks running
+	NrRunning uint64 `protobuf:"varint,2,opt,name=nr_running,json=nrRunning,proto3" json:"nr_running,omitempty"`
+	// number of tasks in stopped state
+	NrStopped uint64 `protobuf:"varint,3,opt,name=nr_stopped,json=nrStopped,proto3" json:"nr_stopped,omitempty"`
+	// number of tasks in uninterruptible state
+	NrUninterruptible uint64 `protobuf:"varint,4,opt,name=nr_uninterruptible,json=nrUninterruptible,proto3" json:"nr_uninterruptible,omitempty"`
+	// number of tasks waiting on IO
+	NrIoWait             uint64   `protobuf:"varint,5,opt,name=nr_io_wait,json=nrIoWait,proto3" json:"nr_io_wait,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CgroupStats) Reset()      { *m = CgroupStats{} }
+func (*CgroupStats) ProtoMessage() {}
+func (*CgroupStats) Descriptor() ([]byte, []int) {
+	return fileDescriptor_a17b2d87c332bfaa, []int{13}
+}
+func (m *CgroupStats) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *CgroupStats) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_CgroupStats.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalTo(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *CgroupStats) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CgroupStats.Merge(m, src)
+}
+func (m *CgroupStats) XXX_Size() int {
+	return m.Size()
+}
+func (m *CgroupStats) XXX_DiscardUnknown() {
+	xxx_messageInfo_CgroupStats.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CgroupStats proto.InternalMessageInfo
+
 func init() {
 	proto.RegisterType((*Metrics)(nil), "io.containerd.cgroups.v1.Metrics")
 	proto.RegisterType((*HugetlbStat)(nil), "io.containerd.cgroups.v1.HugetlbStat")
@@ -622,6 +672,7 @@ func init() {
 	proto.RegisterType((*RdmaStat)(nil), "io.containerd.cgroups.v1.RdmaStat")
 	proto.RegisterType((*RdmaEntry)(nil), "io.containerd.cgroups.v1.RdmaEntry")
 	proto.RegisterType((*NetworkStat)(nil), "io.containerd.cgroups.v1.NetworkStat")
+	proto.RegisterType((*CgroupStats)(nil), "io.containerd.cgroups.v1.CgroupStats")
 }
 
 func init() {
@@ -629,105 +680,112 @@ func init() {
 }
 
 var fileDescriptor_a17b2d87c332bfaa = []byte{
-	// 1558 bytes of a gzipped FileDescriptorProto
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+	0xa8, 0xf5, 0x2f, 0x13, 0x25, 0x5f, 0x17, 0xaf, 0xc7, 0x53, 0x70, 0xb4, 0xca, 0xbd, 0xde, 0x32,
+	0xbe, 0xc6, 0x85, 0x7c, 0x56, 0x3e, 0x09, 0xfb, 0xcb, 0x38, 0x17, 0x2f, 0xc7, 0x00, 0x00, 0xbf,
+	0x02, 0x15, 0xa6, 0xde, 0x83, 0x25, 0x28, 0x8e, 0x36, 0xe6, 0x97, 0x5d, 0xf7, 0x77, 0xc6, 0xf9,
+	0xf4, 0xb8, 0xef, 0xbb, 0xc8, 0x73, 0x1a, 0xa6, 0x3d, 0x06, 0x9d, 0x1a, 0xb0, 0x7a, 0x77, 0x1b,
+	0xb5, 0x77, 0xb7, 0xea, 0x08, 0x56, 0xde, 0xd2, 0x11, 0x34, 0xdf, 0xda, 0x11, 0x38, 0x0b, 0x1d,
+	0x41, 0xef, 0x5f, 0xab, 0xe0, 0x96, 0xad, 0x13, 0xa1, 0xb0, 0xc3, 0x45, 0x90, 0x31, 0x39, 0xe5,
+	0x21, 0x0b, 0x86, 0xaf, 0x15, 0xcb, 0x02, 0xc9, 0xc2, 0x5c, 0x66, 0x7c, 0xca, 0x6c, 0xdb, 0xf9,
+	0xe0, 0x9a, 0x1e, 0x0c, 0x6b, 0x73, 0x8f, 0x8b, 0x01, 0xd2, 0x1c, 0x69, 0x16, 0xbf, 0x20, 0x21,
+	0x7f, 0x84, 0x3b, 0x55, 0x88, 0x51, 0x8d, 0x7d, 0x65, 0x09, 0xf6, 0x5b, 0x25, 0xfb, 0xa8, 0x62,
+	0x3e, 0x85, 0x5b, 0x5c, 0x04, 0xdf, 0xe6, 0x2c, 0x5f, 0xe0, 0x6d, 0x2e, 0xc1, 0xbb, 0xc5, 0xc5,
+	0xd7, 0xc6, 0xbf, 0x62, 0x0d, 0x60, 0xbb, 0x56, 0x12, 0xfd, 0x16, 0xd7, 0xb8, 0x9d, 0x25, 0xb8,
+	0xef, 0x96, 0x39, 0xeb, 0xb7, 0xbb, 0x0a, 0xf0, 0x27, 0xb8, 0xcb, 0x45, 0x70, 0x41, 0xb9, 0x7a,
+	0x93, 0x7d, 0x75, 0xb9, 0x8a, 0x7c, 0x43, 0xb9, 0x5a, 0xa4, 0xc6, 0x8a, 0x4c, 0x98, 0x8c, 0x16,
+	0x2a, 0xb2, 0xb6, 0x5c, 0x45, 0x4e, 0x8c, 0x7f, 0xc5, 0xda, 0x87, 0x2d, 0x2e, 0xde, 0xcc, 0xb5,
+	0xb5, 0x04, 0xe7, 0x4d, 0x2e, 0x16, 0xf3, 0xfc, 0x1a, 0xb6, 0x32, 0x16, 0x2a, 0x21, 0xeb, 0x6a,
+	0x6b, 0x2f, 0xc1, 0xb8, 0x69, 0xdd, 0x4b, 0xca, 0xde, 0x14, 0xa0, 0x9a, 0x27, 0x37, 0x60, 0x45,
+	0xa4, 0xe6, 0xe8, 0xb8, 0xfe, 0x8a, 0x48, 0x75, 0x0f, 0x38, 0xd2, 0xd7, 0x0e, 0x1e, 0x1c, 0xd7,
+	0xb7, 0x23, 0x7d, 0x9e, 0x26, 0xf4, 0x95, 0x28, 0x9a, 0x40, 0x1c, 0x18, 0x2b, 0x4f, 0x84, 0xb4,
+	0x67, 0x07, 0x07, 0xda, 0x3a, 0xa5, 0x71, 0xce, 0x8a, 0x9e, 0xc7, 0x0c, 0x7a, 0x7f, 0x6d, 0x40,
+	0xbb, 0xf8, 0x41, 0x41, 0x3e, 0xab, 0xb7, 0xd1, 0xcd, 0x77, 0xff, 0x7e, 0xd1, 0x4e, 0xb8, 0x98,
+	0xb2, 0xd7, 0x7e, 0x5a, 0xf5, 0xda, 0x3f, 0xda, 0xd9, 0x36, 0xe4, 0x0c, 0xdc, 0xd2, 0x56, 0x5b,
+	0x6d, 0x63, 0x61, 0xb5, 0x5d, 0xe8, 0x8c, 0x43, 0x1a, 0x8c, 0x69, 0x32, 0x8a, 0x19, 0x76, 0x88,
+	0x1b, 0x3e, 0x8c, 0x43, 0xfa, 0x0c, 0x2d, 0x05, 0x40, 0x0c, 0x5f, 0xb1, 0x50, 0x65, 0xa6, 0x28,
+	0x08, 0x78, 0x81, 0x96, 0xde, 0xdf, 0x57, 0xa0, 0x53, 0xfb, 0x0d, 0xa4, 0x7b, 0xe8, 0x84, 0x4e,
+	0x8a, 0x38, 0xe6, 0x5b, 0x77, 0x6c, 0x72, 0x86, 0x77, 0x89, 0xbd, 0xa6, 0x5a, 0x72, 0x66, 0x2e,
+	0x05, 0xf2, 0x01, 0x80, 0x9c, 0x05, 0x29, 0x0d, 0xcf, 0x99, 0xa5, 0x77, 0x7c, 0x57, 0xce, 0xfa,
+	0x68, 0x20, 0xef, 0x83, 0x2b, 0x67, 0x01, 0x93, 0x52, 0xc8, 0xcc, 0xd6, 0xbe, 0x2d, 0x67, 0x5f,
+	0x9a, 0xb1, 0xf5, 0x1d, 0x49, 0xa1, 0x7b, 0x01, 0xbb, 0x07, 0xae, 0x9c, 0x7d, 0x81, 0x06, 0x1d,
+	0x55, 0x15, 0x51, 0xb1, 0xf5, 0x6c, 0xa9, 0x2a, 0xaa, 0xaa, 0xa2, 0x62, 0xeb, 0xe9, 0xaa, 0x7a,
+	0x54, 0x55, 0x46, 0xc5, 0xee, 0xb3, 0xad, 0x6a, 0x51, 0x55, 0x15, 0xd5, 0x2d, 0x7c, 0x6d, 0xd4,
+	0xde, 0x3f, 0x1a, 0xd0, 0xa9, 0xfd, 0x9a, 0xd3, 0x05, 0x4c, 0x64, 0x90, 0xc5, 0x8c, 0xa5, 0xfa,
+	0x27, 0x0d, 0xde, 0xdd, 0x90, 0xc8, 0x81, 0xb5, 0x68, 0xbe, 0x44, 0x06, 0x32, 0x4f, 0x92, 0xe2,
+	0x27, 0x8f, 0xe3, 0xbb, 0x89, 0xf4, 0xd1, 0x60, 0xa7, 0x33, 0x85, 0xe1, 0x9a, 0xc5, 0xf4, 0x00,
+	0x0d, 0xe4, 0x17, 0x40, 0x12, 0x19, 0xe4, 0x09, 0x4f, 0x14, 0x93, 0x32, 0x4f, 0x15, 0x1f, 0x96,
+	0xed, 0xf9, 0x56, 0x22, 0xcf, 0x16, 0x27, 0xc8, 0x7d, 0xc3, 0x66, 0x2f, 0x1b, 0x5b, 0xb2, 0x76,
+	0x22, 0x9f, 0x9b, 0x9b, 0xe3, 0xc8, 0xfb, 0xee, 0xfb, 0xdd, 0xf7, 0xfe, 0xfd, 0xfd, 0xee, 0x7b,
+	0x7f, 0x99, 0xef, 0x36, 0xbe, 0x9b, 0xef, 0x36, 0xfe, 0x39, 0xdf, 0x6d, 0xfc, 0x77, 0xbe, 0xdb,
+	0x18, 0xae, 0x99, 0x3f, 0x23, 0x7e, 0xf9, 0xff, 0x00, 0x00, 0x00, 0xff, 0xff, 0xb9, 0x78, 0x66,
+	0x06, 0xf4, 0x10, 0x00, 0x00,
 }
 
 func (m *Metrics) Marshal() (dAtA []byte, err error) {
@@ -819,6 +877,16 @@ func (m *Metrics) MarshalTo(dAtA []byte) (int, error) {
 			i += n
 		}
 	}
+	if m.CgroupStats != nil {
+		dAtA[i] = 0x42
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.CgroupStats.Size()))
+		n6, err := m.CgroupStats.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n6
+	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
 	}
@@ -917,21 +985,21 @@ func (m *CPUStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Usage.Size()))
-		n6, err := m.Usage.MarshalTo(dAtA[i:])
+		n7, err := m.Usage.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n6
+		i += n7
 	}
 	if m.Throttling != nil {
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Throttling.Size()))
-		n7, err := m.Throttling.MarshalTo(dAtA[i:])
+		n8, err := m.Throttling.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n7
+		i += n8
 	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
@@ -970,21 +1038,21 @@ func (m *CPUUsage) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintMetrics(dAtA, i, uint64(m.User))
 	}
 	if len(m.PerCPU) > 0 {
-		dAtA9 := make([]byte, len(m.PerCPU)*10)
-		var j8 int
+		dAtA10 := make([]byte, len(m.PerCPU)*10)
+		var j9 int
 		for _, num := range m.PerCPU {
 			for num >= 1<<7 {
-				dAtA9[j8] = uint8(uint64(num)&0x7f | 0x80)
+				dAtA10[j9] = uint8(uint64(num)&0x7f | 0x80)
 				num >>= 7
-				j8++
+				j9++
 			}
-			dAtA9[j8] = uint8(num)
-			j8++
+			dAtA10[j9] = uint8(num)
+			j9++
 		}
 		dAtA[i] = 0x22
 		i++
-		i = encodeVarintMetrics(dAtA, i, uint64(j8))
-		i += copy(dAtA[i:], dAtA9[:j8])
+		i = encodeVarintMetrics(dAtA, i, uint64(j9))
+		i += copy(dAtA[i:], dAtA10[:j9])
 	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
@@ -1243,11 +1311,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Usage.Size()))
-		n10, err := m.Usage.MarshalTo(dAtA[i:])
+		n11, err := m.Usage.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n10
+		i += n11
 	}
 	if m.Swap != nil {
 		dAtA[i] = 0x92
@@ -1255,11 +1323,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Swap.Size()))
-		n11, err := m.Swap.MarshalTo(dAtA[i:])
+		n12, err := m.Swap.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n11
+		i += n12
 	}
 	if m.Kernel != nil {
 		dAtA[i] = 0x9a
@@ -1267,11 +1335,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Kernel.Size()))
-		n12, err := m.Kernel.MarshalTo(dAtA[i:])
+		n13, err := m.Kernel.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n12
+		i += n13
 	}
 	if m.KernelTCP != nil {
 		dAtA[i] = 0xa2
@@ -1279,11 +1347,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.KernelTCP.Size()))
-		n13, err := m.KernelTCP.MarshalTo(dAtA[i:])
+		n14, err := m.KernelTCP.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n13
+		i += n14
 	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
@@ -1646,6 +1714,52 @@ func (m *NetworkStat) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *CgroupStats) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *CgroupStats) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.NrSleeping != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.NrSleeping))
+	}
+	if m.NrRunning != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.NrRunning))
+	}
+	if m.NrStopped != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.NrStopped))
+	}
+	if m.NrUninterruptible != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.NrUninterruptible))
+	}
+	if m.NrIoWait != 0 {
+		dAtA[i] = 0x28
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.NrIoWait))
+	}
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
 func encodeVarintMetrics(dAtA []byte, offset int, v uint64) int {
 	for v >= 1<<7 {
 		dAtA[offset] = uint8(v&0x7f | 0x80)
@@ -1693,6 +1807,10 @@ func (m *Metrics) Size() (n int) {
 			n += 1 + l + sovMetrics(uint64(l))
 		}
 	}
+	if m.CgroupStats != nil {
+		l = m.CgroupStats.Size()
+		n += 1 + l + sovMetrics(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -2134,6 +2252,33 @@ func (m *NetworkStat) Size() (n int) {
 	return n
 }
 
+func (m *CgroupStats) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.NrSleeping != 0 {
+		n += 1 + sovMetrics(uint64(m.NrSleeping))
+	}
+	if m.NrRunning != 0 {
+		n += 1 + sovMetrics(uint64(m.NrRunning))
+	}
+	if m.NrStopped != 0 {
+		n += 1 + sovMetrics(uint64(m.NrStopped))
+	}
+	if m.NrUninterruptible != 0 {
+		n += 1 + sovMetrics(uint64(m.NrUninterruptible))
+	}
+	if m.NrIoWait != 0 {
+		n += 1 + sovMetrics(uint64(m.NrIoWait))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
 func sovMetrics(x uint64) (n int) {
 	for {
 		n++
@@ -2159,6 +2304,7 @@ func (this *Metrics) String() string {
 		`Blkio:` + strings.Replace(fmt.Sprintf("%v", this.Blkio), "BlkIOStat", "BlkIOStat", 1) + `,`,
 		`Rdma:` + strings.Replace(fmt.Sprintf("%v", this.Rdma), "RdmaStat", "RdmaStat", 1) + `,`,
 		`Network:` + strings.Replace(fmt.Sprintf("%v", this.Network), "NetworkStat", "NetworkStat", 1) + `,`,
+		`CgroupStats:` + strings.Replace(fmt.Sprintf("%v", this.CgroupStats), "CgroupStats", "CgroupStats", 1) + `,`,
 		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
 		`}`,
 	}, "")
@@ -2366,6 +2512,21 @@ func (this *NetworkStat) String() string {
 	}, "")
 	return s
 }
+func (this *CgroupStats) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&CgroupStats{`,
+		`NrSleeping:` + fmt.Sprintf("%v", this.NrSleeping) + `,`,
+		`NrRunning:` + fmt.Sprintf("%v", this.NrRunning) + `,`,
+		`NrStopped:` + fmt.Sprintf("%v", this.NrStopped) + `,`,
+		`NrUninterruptible:` + fmt.Sprintf("%v", this.NrUninterruptible) + `,`,
+		`NrIoWait:` + fmt.Sprintf("%v", this.NrIoWait) + `,`,
+		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func valueToStringMetrics(v interface{}) string {
 	rv := reflect.ValueOf(v)
 	if rv.IsNil() {
@@ -2651,6 +2812,42 @@ func (m *Metrics) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CgroupStats", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.CgroupStats == nil {
+				m.CgroupStats = &CgroupStats{}
+			}
+			if err := m.CgroupStats.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipMetrics(dAtA[iNdEx:])
@@ -5256,6 +5453,155 @@ func (m *NetworkStat) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *CgroupStats) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowMetrics
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: CgroupStats: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: CgroupStats: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NrSleeping", wireType)
+			}
+			m.NrSleeping = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NrSleeping |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NrRunning", wireType)
+			}
+			m.NrRunning = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NrRunning |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NrStopped", wireType)
+			}
+			m.NrStopped = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NrStopped |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NrUninterruptible", wireType)
+			}
+			m.NrUninterruptible = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NrUninterruptible |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NrIoWait", wireType)
+			}
+			m.NrIoWait = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NrIoWait |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipMetrics(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			if (iNdEx + skippy) < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipMetrics(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
diff --git a/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.txt b/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.txt
index 7a960c678..b7e87f00a 100644
--- a/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.txt
+++ b/vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.txt
@@ -63,6 +63,14 @@ file {
       type_name: ".io.containerd.cgroups.v1.NetworkStat"
       json_name: "network"
     }
+    field {
+      name: "cgroup_stats"
+      number: 8
+      label: LABEL_OPTIONAL
+      type: TYPE_MESSAGE
+      type_name: ".io.containerd.cgroups.v1.CgroupStats"
+      json_name: "cgroupStats"
+    }
   }
   message_type {
     name: "HugetlbStat"
@@ -708,5 +716,43 @@ file {
       json_name: "txDropped"
     }
   }
+  message_type {
+    name: "CgroupStats"
+    field {
+      name: "nr_sleeping"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "nrSleeping"
+    }
+    field {
+      name: "nr_running"
+      number: 2
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "nrRunning"
+    }
+    field {
+      name: "nr_stopped"
+      number: 3
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "nrStopped"
+    }
+    field {
+      name: "nr_uninterruptible"
+      number: 4
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "nrUninterruptible"
+    }
+    field {
+      name: "nr_io_wait"
+      number: 5
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "nrIoWait"
+    }
+  }
   syntax: "proto3"
 }
diff --git a/vendor/github.com/containerd/cgroups/stats/v1/metrics.proto b/vendor/github.com/containerd/cgroups/stats/v1/metrics.proto
index 62b519806..ba6be851d 100644
--- a/vendor/github.com/containerd/cgroups/stats/v1/metrics.proto
+++ b/vendor/github.com/containerd/cgroups/stats/v1/metrics.proto
@@ -12,6 +12,7 @@ message Metrics {
 	BlkIOStat blkio = 5;
 	RdmaStat rdma = 6;
 	repeated NetworkStat network = 7;
+	CgroupStats cgroup_stats = 8;
 }
 
 message HugetlbStat {
@@ -134,3 +135,17 @@ message NetworkStat {
 	uint64 tx_errors = 8;
 	uint64 tx_dropped = 9;
 }
+
+// CgroupStats exports per-cgroup statistics.
+message CgroupStats {
+	// number of tasks sleeping
+	uint64 nr_sleeping = 1;
+	// number of tasks running
+	uint64 nr_running = 2;
+	// number of tasks in stopped state
+	uint64 nr_stopped = 3;
+	// number of tasks in uninterruptible state
+	uint64 nr_uninterruptible = 4;
+	// number of tasks waiting on IO
+	uint64 nr_io_wait = 5;
+}
diff --git a/vendor/github.com/containers/storage/.cirrus.yml b/vendor/github.com/containers/storage/.cirrus.yml
index 539bfeabb..cc2dd7952 100644
--- a/vendor/github.com/containers/storage/.cirrus.yml
+++ b/vendor/github.com/containers/storage/.cirrus.yml
@@ -17,19 +17,19 @@ env:
     ####
     #### Cache-image names to test with (double-quotes around names are critical)
     ###
-    FEDORA_NAME: "fedora"
-    PRIOR_FEDORA_NAME: "prior-fedora"
-    UBUNTU_NAME: "ubuntu"
-    PRIOR_UBUNTU_NAME: "prior-ubuntu"
+    FEDORA_NAME: "fedora-33"
+    PRIOR_FEDORA_NAME: "fedora-32"
+    UBUNTU_NAME: "ubuntu-2010"
+    PRIOR_UBUNTU_NAME: "ubuntu-2004"
 
     # GCE project where images live
     IMAGE_PROJECT: "libpod-218412"
     # VM Image built in containers/automation_images
-    _BUILT_IMAGE_SUFFIX: "c4948709391728640"
-    FEDORA_CACHE_IMAGE_NAME: "${FEDORA_NAME}-${_BUILT_IMAGE_SUFFIX}"
-    PRIOR_FEDORA_CACHE_IMAGE_NAME: "${PRIOR_FEDORA_NAME}-${_BUILT_IMAGE_SUFFIX}"
-    UBUNTU_CACHE_IMAGE_NAME: "${UBUNTU_NAME}-${_BUILT_IMAGE_SUFFIX}"
-    PRIOR_UBUNTU_CACHE_IMAGE_NAME: "${PRIOR_UBUNTU_NAME}-${_BUILT_IMAGE_SUFFIX}"
+    _BUILT_IMAGE_SUFFIX: "c6233039174893568"
+    FEDORA_CACHE_IMAGE_NAME: "fedora-${_BUILT_IMAGE_SUFFIX}"
+    PRIOR_FEDORA_CACHE_IMAGE_NAME: "prior-fedora-${_BUILT_IMAGE_SUFFIX}"
+    UBUNTU_CACHE_IMAGE_NAME: "ubuntu-${_BUILT_IMAGE_SUFFIX}"
+    PRIOR_UBUNTU_CACHE_IMAGE_NAME: "prior-ubuntu-${_BUILT_IMAGE_SUFFIX}"
 
     ####
     #### Command variables to help avoid duplication
@@ -57,42 +57,30 @@ gce_instance:
     image_name: "${FEDORA_CACHE_IMAGE_NAME}"
 
 
-testing_task:
-
+fedora_testing_task: &fedora_testing
+    alias: fedora_testing
+    name: &std_test_name "${OS_NAME} ${TEST_DRIVER}"
     depends_on:
         - lint
 
-    # Not all $TEST_DRIVER combinations are valid for all OS types.
-    # N/B: As of the addition of this note, nested-variable resolution
-    # does not happen for boolean `only_if` expressions.  Since $VM_IMAGE
-    # contains nested variables, we must filter based on that and not the
-    # actual distro/version value.
-    only_if: >-
-        ( $VM_IMAGE =~ '.*UBUNTU.*' && $TEST_DRIVER == "vfs" ) ||
-        ( $VM_IMAGE =~ '.*UBUNTU.*' && $TEST_DRIVER == "aufs" ) ||
-        ( $VM_IMAGE =~ '.*UBUNTU.*' && $TEST_DRIVER == "overlay" ) ||
-        ( $VM_IMAGE =~ '.*UBUNTU.*' && $TEST_DRIVER == "fuse-overlay" ) ||
-        ( $VM_IMAGE =~ '.*FEDORA.*' && $TEST_DRIVER != "aufs" )
-
-    allow_failures: $TEST_DRIVER == "devicemapper"
+    gce_instance:  # Only need to specify differences from defaults (above)
+        image_name: "${VM_IMAGE}"
 
     env:
-        matrix:
-            VM_IMAGE: "${FEDORA_CACHE_IMAGE_NAME}"
-            VM_IMAGE: "${PRIOR_FEDORA_CACHE_IMAGE_NAME}"
-            VM_IMAGE: "${UBUNTU_CACHE_IMAGE_NAME}"
-            # VM_IMAGE: "${PRIOR_UBUNTU_CACHE_IMAGE_NAME}"  # No fuse3 support
-        matrix:  # See ./contrib/cirrus/build_and_test.sh
+        OS_NAME: "${FEDORA_NAME}"
+        VM_IMAGE: "${FEDORA_CACHE_IMAGE_NAME}"
+
+    # Not all $TEST_DRIVER combinations valid for all $VM_IMAGE types.
+    matrix: &test_matrix
+        - env:
             TEST_DRIVER: "vfs"
-            TEST_DRIVER: "aufs"
+        - env:
             TEST_DRIVER: "overlay"
+        - env:
             TEST_DRIVER: "fuse-overlay"
-            TEST_DRIVER: "devicemapper"
+        - env:
             TEST_DRIVER: "fuse-overlay-whiteout"
 
-    gce_instance:  # Only need to specify differences from defaults (above)
-        image_name: "${VM_IMAGE}"
-
     # Separate scripts for separate outputs, makes debugging easier.
     setup_script: '${CIRRUS_WORKING_DIR}/${SCRIPT_BASE}/setup.sh |& ${_TIMESTAMP}'
     build_and_test_script: '${CIRRUS_WORKING_DIR}/${SCRIPT_BASE}/build_and_test.sh |& ${_TIMESTAMP}'
@@ -103,6 +91,41 @@ testing_task:
         ubuntu_audit_log_script: '${_UAUDITCMD} || true'
         journal_log_script: '${_JOURNALCMD} || true'
 
+
+prior_fedora_testing_task:
+    <<: *fedora_testing
+    alias: prior_fedora_testing
+    name: *std_test_name
+    env:
+        OS_NAME: "${PRIOR_FEDORA_NAME}"
+        VM_IMAGE: "${PRIOR_FEDORA_CACHE_IMAGE_NAME}"
+
+
+ubuntu_testing_task: &ubuntu_testing
+    <<: *fedora_testing
+    alias: ubuntu_testing
+    name: *std_test_name
+    env:
+        OS_NAME: "${UBUNTU_NAME}"
+        VM_IMAGE: "${UBUNTU_CACHE_IMAGE_NAME}"
+    matrix:
+        - env:
+            TEST_DRIVER: "vfs"
+        - env:
+            TEST_DRIVER: "aufs"
+        - env:
+            TEST_DRIVER: "overlay"
+
+
+prior_ubuntu_testing_task:
+    <<: *ubuntu_testing
+    alias: prior_ubuntu_testing
+    name: *std_test_name
+    env:
+        OS_NAME: "${PRIOR_UBUNTU_NAME}"
+        VM_IMAGE: "${PRIOR_UBUNTU_CACHE_IMAGE_NAME}"
+
+
 lint_task:
     env:
         CIRRUS_WORKING_DIR: "/go/src/github.com/containers/storage"
@@ -117,6 +140,7 @@ lint_task:
       apt-get install -y libbtrfs-dev libdevmapper-dev
     test_script: make lint
 
+
 # Update metadata on VM images referenced by this repository state
 meta_task:
 
@@ -141,6 +165,7 @@ meta_task:
 
     script: '/usr/local/bin/entrypoint.sh |& ${_TIMESTAMP}'
 
+
 vendor_task:
     container:
         image: golang:1.15
@@ -150,11 +175,15 @@ vendor_task:
     build_script: make vendor
     test_script: hack/tree_status.sh
 
+
 # Represent overall pass/fail status from required dependent tasks
 success_task:
     depends_on:
         - lint
-        - testing
+        - fedora_testing
+        - prior_fedora_testing
+        - ubuntu_testing
+        - prior_ubuntu_testing
         - meta
         - vendor
     container:
diff --git a/vendor/github.com/containers/storage/VERSION b/vendor/github.com/containers/storage/VERSION
index ae96cc731..2f4320f67 100644
--- a/vendor/github.com/containers/storage/VERSION
+++ b/vendor/github.com/containers/storage/VERSION
@@ -1 +1 @@
-1.24.3
+1.24.4
diff --git a/vendor/github.com/containers/storage/go.mod b/vendor/github.com/containers/storage/go.mod
index 86a5d8644..b19b4a7c4 100644
--- a/vendor/github.com/containers/storage/go.mod
+++ b/vendor/github.com/containers/storage/go.mod
@@ -4,11 +4,11 @@ module github.com/containers/storage
 
 require (
 	github.com/BurntSushi/toml v0.3.1
-	github.com/Microsoft/go-winio v0.4.15
-	github.com/Microsoft/hcsshim v0.8.9
+	github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331
+	github.com/Microsoft/hcsshim v0.8.14
 	github.com/docker/go-units v0.4.0
 	github.com/hashicorp/go-multierror v1.1.0
-	github.com/klauspost/compress v1.11.3
+	github.com/klauspost/compress v1.11.4
 	github.com/klauspost/pgzip v1.2.5
 	github.com/mattn/go-shellwords v1.0.10
 	github.com/mistifyio/go-zfs v2.1.1+incompatible
@@ -16,7 +16,7 @@ require (
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/runc v1.0.0-rc91
 	github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2
-	github.com/opencontainers/selinux v1.6.0
+	github.com/opencontainers/selinux v1.8.0
 	github.com/pkg/errors v0.9.1
 	github.com/pquerna/ffjson v0.0.0-20181028064349-e517b90714f7
 	github.com/sirupsen/logrus v1.7.0
@@ -25,6 +25,6 @@ require (
 	github.com/tchap/go-patricia v2.3.0+incompatible
 	github.com/vbatts/tar-split v0.11.1
 	golang.org/x/net v0.0.0-20191004110552-13f9640d40b9
-	golang.org/x/sys v0.0.0-20200909081042-eff7692f9009
+	golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3
 	gotest.tools v2.2.0+incompatible
 )
diff --git a/vendor/github.com/containers/storage/go.sum b/vendor/github.com/containers/storage/go.sum
index a5d3f3b82..a7be24d40 100644
--- a/vendor/github.com/containers/storage/go.sum
+++ b/vendor/github.com/containers/storage/go.sum
@@ -1,19 +1,18 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 h1:ygIc8M6trr62pF5DucadTWGdEB4mEyvzi0e2nbcmcyA=
-github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
-github.com/Microsoft/go-winio v0.4.15 h1:qkLXKzb1QoVatRyd/YlXZ/Kg0m5K3SPuoD82jjSOaBc=
-github.com/Microsoft/go-winio v0.4.15/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
-github.com/Microsoft/hcsshim v0.8.9 h1:VrfodqvztU8YSOvygU+DN1BGaSGxmrNfqOv5oOuX2Bk=
-github.com/Microsoft/hcsshim v0.8.9/go.mod h1:5692vkUqntj1idxauYlpoINNKeqCiG6Sg38RRsjT5y8=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331 h1:3YnB7Hpmh1lPecPE8doMOtYCrMdrpedZOvxfuNES/Vk=
+github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
+github.com/Microsoft/hcsshim v0.8.14 h1:lbPVK25c1cu5xTLITwpUcxoA9vKrKErASPYygvouJns=
+github.com/Microsoft/hcsshim v0.8.14/go.mod h1:NtVKoYxQuTLx6gEq0L96c9Ju4JbRJ4nY2ow3VK6a9Lg=
 github.com/checkpoint-restore/go-criu/v4 v4.0.2 h1:jt+rnBIhFtPw0fhtpYGcUOilh4aO9Hj7r+YLEtf30uA=
 github.com/checkpoint-restore/go-criu/v4 v4.0.2/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw=
+github.com/cilium/ebpf v0.0.0-20200110133405-4032b1d8aae3/go.mod h1:MA5e5Lr8slmEg9bt0VpxxWqJlO4iwu3FBdHUzV7wQVg=
 github.com/cilium/ebpf v0.0.0-20200507155900-a9f01edf17e3 h1:qcqzLJa2xCo9sgdCzpT/SJSYxROTEstuhf7ZBHMirms=
 github.com/cilium/ebpf v0.0.0-20200507155900-a9f01edf17e3/go.mod h1:XT+cAw5wfvsodedcijoh1l9cf7v1x9FlFB/3VmF/O8s=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f h1:tSNMc+rJDfmYntojat8lljbt1mgKNpTxUZJsSzJ9Y1s=
-github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f/go.mod h1:OApqhQ4XNSNC13gXIwDjhOQxjWa/NxkwZXJ1EvqT0ko=
+github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59 h1:qWj4qVYZ95vLWwqyNJCQg7rDsG5wPdze0UaPolH7DUk=
+github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59/go.mod h1:pA0z1pT8KYB3TCXK/ocprsh7MAkoW8bZVzPdih9snmM=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1 h1:uict5mhHFTzKLUCufdSLym7z/J0CbBJT59lYbP9wtbg=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1/go.mod h1:Tj/on1eG8kiEhd0+fhSDzsPAFESxzBBvdyEgyryXffw=
 github.com/containerd/console v1.0.0 h1:fU3UuQapBs+zLJu82NhR11Rif1ny2zfMMAyPJzSN5tQ=
@@ -24,12 +23,11 @@ github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448/go.mod h1:ODA38xgv
 github.com/containerd/go-runc v0.0.0-20180907222934-5a6d9f37cfa3/go.mod h1:IV7qH3hrUgRmyYrtgEeGWJfWbgcHL9CSRruz2Vqcph0=
 github.com/containerd/ttrpc v0.0.0-20190828154514-0e0f228740de/go.mod h1:PvCDdDGpgqzQIzDW1TphrGLssLDZp2GuS+X5DkEJB8o=
 github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd/go.mod h1:Cm3kwCdlkCfMSHURc+r6fwoGH6/F1hH3S4sg0rLFWPc=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.0.0 h1:XJIw/+VlJ+87J+doOxznsAWIdmWuViOVhkQamW5YV28=
 github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cyphar/filepath-securejoin v0.2.2 h1:jCwT2GTP+PY5nBz3c/YL5PAIbusElVrPujOBSCj8xRg=
 github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2G9VLXONKD9G7QGMM+4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -37,11 +35,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
-github.com/godbus/dbus v0.0.0-20190422162347-ade71ed3457e h1:BWhy2j3IXJhjCbC68FptL43tDKIq8FladmaTs3Xs7Z8=
-github.com/godbus/dbus v0.0.0-20190422162347-ade71ed3457e/go.mod h1:bBOAhwG1umN6/6ZUMtDFBMQR8jRg9O75tm9K00oMsK4=
 github.com/godbus/dbus/v5 v5.0.3 h1:ZqHaoEF7TBzh4jzPmqVhE/5A1z9of6orkAe5uHoAeME=
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -61,14 +56,14 @@ github.com/hashicorp/go-multierror v1.1.0 h1:B9UzwGQJehnUY1yNrnwREHc3fGbC2xefo8g
 github.com/hashicorp/go-multierror v1.1.0/go.mod h1:spPvp8C1qA32ftKqdAHm4hHTbPw+vmowP0z+KUhOZdA=
 github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/klauspost/compress v1.11.3 h1:dB4Bn0tN3wdCzQxnS8r06kV74qN/TAfaIS0bVE8h3jc=
-github.com/klauspost/compress v1.11.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
+github.com/klauspost/compress v1.11.4 h1:kz40R/YWls3iqT9zX9AHN3WoVsrAWVyui5sxuLqiXqU=
+github.com/klauspost/compress v1.11.4/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE=
 github.com/klauspost/pgzip v1.2.5/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3 h1:CE8S1cTafDpPvMhIxNJKvHsGVBgn1xWYf1NbHQhywc8=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
@@ -92,13 +87,12 @@ github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3I
 github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U=
 github.com/opencontainers/runc v1.0.0-rc91 h1:Tp8LWs5G8rFpzTsbRjAtQkPVexhCu0bnANE5IfIhJ6g=
 github.com/opencontainers/runc v1.0.0-rc91/go.mod h1:3Sm6Dt7OT8z88EbdQqqcRN2oCT54jbi72tT/HqgflT8=
-github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700 h1:eNUVfm/RFLIi1G7flU5/ZRTHvd4kcVuzfRnL6OFlzCI=
-github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
+github.com/opencontainers/runtime-spec v1.0.2/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
 github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2 h1:9mv9SC7GWmRWE0J/+oD8w3GsN2KYGKtg6uwLN7hfP5E=
 github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
 github.com/opencontainers/selinux v1.5.1/go.mod h1:yTcKuYAh6R95iDpefGLQaPaRwJFwyzAJufJyiTt7s0g=
-github.com/opencontainers/selinux v1.6.0 h1:+bIAS/Za3q5FTwWym4fTB0vObnfCf3G/NC7K6Jx62mY=
-github.com/opencontainers/selinux v1.6.0/go.mod h1:VVGKuOLlE7v4PJyT6h7mNWvq1rzqiriPsEqVhc+svHE=
+github.com/opencontainers/selinux v1.8.0 h1:+77ba4ar4jsCbL1GLbFL8fFM57w6suPfSS9PDLDY7KM=
+github.com/opencontainers/selinux v1.8.0/go.mod h1:RScLhm78qiWa2gbVCcGkC7tCGdgk3ogry1nUQF8Evvo=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -130,18 +124,17 @@ github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 h1:b6uOv7YOFK0
 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/tchap/go-patricia v2.3.0+incompatible h1:GkY4dP3cEfEASBPPkWd+AmjYxhmDkqO9/zg7R0lSQRs=
 github.com/tchap/go-patricia v2.3.0+incompatible/go.mod h1:bmLyhP68RS6kStMGxByiQ23RP/odRBOTVjwp2cDyi6I=
-github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5 h1:MCfT24H3f//U5+UCrZp1/riVO3B50BovxtDiNn0XKkk=
-github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1 h1:+mkCCcOFKPnCmVYVcURKps1Xe+3zP90gSYGNfRkjoIY=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vbatts/tar-split v0.11.1 h1:0Odu65rhcZ3JZaPHxl7tCI3V/C/Q9Zf82UFravl02dE=
 github.com/vbatts/tar-split v0.11.1/go.mod h1:LEuURwDEiWjRjwu46yU3KVGuUdVv/dcnpcEPSzR8z6g=
 github.com/vishvananda/netlink v1.1.0 h1:1iyaYNBLmP6L0220aDnYQpo1QEV4t4hJ+xEEhhJH8j0=
 github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df h1:OviZH7qLw/7ZovXvuNyL3XQl8UFofeikI1NW1Gypu7k=
 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
-github.com/willf/bitset v1.1.11-0.20200630133818-d5bec3311243 h1:R43TdZy32XXSXjJn7M/HhALJ9imq6ztLnChfYJpVDnM=
-github.com/willf/bitset v1.1.11-0.20200630133818-d5bec3311243/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
+github.com/willf/bitset v1.1.11 h1:N7Z7E9UvjW+sGsEl7k/SJrvY2reP1A07MrGuCjIOjRE=
+github.com/willf/bitset v1.1.11/go.mod h1:83CECat5yLh5zVOf4P1ErAgKA5UDvKtgyUABdr3+MjI=
 go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -166,21 +159,23 @@ golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190514135907-3a4b5fb9f71f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191022100944-742c48ecaeb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191115151921-52ab43148777/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200120151820-655fe14d7479/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200124204421-9fbb57f87de9 h1:1/DFK4b7JH8DmkqhUk48onnSfrPzImPoVxuomtbT2nk=
 golang.org/x/sys v0.0.0-20200124204421-9fbb57f87de9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200327173247-9dae0f8f5775 h1:TC0v2RSO1u2kn1ZugjrFXkRZAEaqMN/RW+OTZkBzmLE=
 golang.org/x/sys v0.0.0-20200327173247-9dae0f8f5775/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200909081042-eff7692f9009 h1:W0lCpv29Hv0UaM1LXb9QlBHLNP8UFfcKjblhVCWftOM=
 golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
diff --git a/vendor/github.com/containers/storage/pkg/archive/archive.go b/vendor/github.com/containers/storage/pkg/archive/archive.go
index 2f917344a..aa4875c64 100644
--- a/vendor/github.com/containers/storage/pkg/archive/archive.go
+++ b/vendor/github.com/containers/storage/pkg/archive/archive.go
@@ -641,7 +641,7 @@ func createTarFile(path, extractDir string, hdr *tar.Header, reader io.Reader, L
 		}
 		file.Close()
 
-	case tar.TypeBlock, tar.TypeChar:
+	case tar.TypeBlock, tar.TypeChar, tar.TypeFifo:
 		if inUserns { // cannot create devices in a userns
 			return nil
 		}
@@ -650,12 +650,6 @@ func createTarFile(path, extractDir string, hdr *tar.Header, reader io.Reader, L
 			return err
 		}
 
-	case tar.TypeFifo:
-		// Handle this is an OS-specific way
-		if err := handleTarTypeBlockCharFifo(hdr, path); err != nil {
-			return err
-		}
-
 	case tar.TypeLink:
 		targetPath := filepath.Join(extractDir, hdr.Linkname)
 		// check for hardlink breakout
diff --git a/vendor/github.com/containers/storage/storage.conf b/vendor/github.com/containers/storage/storage.conf
index af4953310..3ff708e20 100644
--- a/vendor/github.com/containers/storage/storage.conf
+++ b/vendor/github.com/containers/storage/storage.conf
@@ -8,7 +8,7 @@
 driver = ""
 
 # Temporary storage location
-runroot = "/var/run/containers/storage"
+runroot = "/run/containers/storage"
 
 # Primary Read/Write location of container storage
 graphroot = "/var/lib/containers/storage"
diff --git a/vendor/github.com/containers/storage/store.go b/vendor/github.com/containers/storage/store.go
index 7b250db9f..0b53d81ce 100644
--- a/vendor/github.com/containers/storage/store.go
+++ b/vendor/github.com/containers/storage/store.go
@@ -3640,7 +3640,7 @@ func reloadConfigurationFileIfNeeded(configFile string, storeOptions *StoreOptio
 }
 
 func init() {
-	defaultStoreOptions.RunRoot = "/var/run/containers/storage"
+	defaultStoreOptions.RunRoot = "/run/containers/storage"
 	defaultStoreOptions.GraphRoot = "/var/lib/containers/storage"
 	defaultStoreOptions.GraphDriverName = ""
 
diff --git a/vendor/github.com/klauspost/compress/zstd/README.md b/vendor/github.com/klauspost/compress/zstd/README.md
index 08e553f75..7680bfe1d 100644
--- a/vendor/github.com/klauspost/compress/zstd/README.md
+++ b/vendor/github.com/klauspost/compress/zstd/README.md
@@ -24,22 +24,21 @@ Godoc Documentation: https://godoc.org/github.com/klauspost/compress/zstd
 ### Status: 
 
 STABLE - there may always be subtle bugs, a wide variety of content has been tested and the library is actively 
-used by several projects. This library is being continuously [fuzz-tested](https://github.com/klauspost/compress-fuzz),
-kindly supplied by [fuzzit.dev](https://fuzzit.dev/).
+used by several projects. This library is being [fuzz-tested](https://github.com/klauspost/compress-fuzz) for all updates.
 
 There may still be specific combinations of data types/size/settings that could lead to edge cases, 
 so as always, testing is recommended.  
 
 For now, a high speed (fastest) and medium-fast (default) compressor has been implemented. 
 
-The "Fastest" compression ratio is roughly equivalent to zstd level 1. 
-The "Default" compression ratio is roughly equivalent to zstd level 3 (default).
+* The "Fastest" compression ratio is roughly equivalent to zstd level 1. 
+* The "Default" compression ratio is roughly equivalent to zstd level 3 (default).
+* The "Better" compression ratio is roughly equivalent to zstd level 7.
+* The "Best" compression ratio is roughly equivalent to zstd level 11.
 
 In terms of speed, it is typically 2x as fast as the stdlib deflate/gzip in its fastest mode. 
 The compression ratio compared to stdlib is around level 3, but usually 3x as fast.
 
-Compared to cgo zstd, the speed is around level 3 (default), but compression slightly worse, between level 1&2.
-
  
 ### Usage
 
@@ -140,7 +139,7 @@ I have collected some speed examples to compare speed and compression against ot
 
 * `file` is the input file.
 * `out` is the compressor used. `zskp` is this package. `zstd` is the Datadog cgo library. `gzstd/gzkp` is gzip standard and this library.
-* `level` is the compression level used. For `zskp` level 1 is "fastest", level 2 is "default".
+* `level` is the compression level used. For `zskp` level 1 is "fastest", level 2 is "default"; 3 is "better", 4 is "best".
 * `insize`/`outsize` is the input/output size.
 * `millis` is the number of milliseconds used for compression.
 * `mb/s` is megabytes (2^20 bytes) per second.
@@ -154,11 +153,13 @@ file    out     level   insize      outsize     millis  mb/s
 silesia.tar zskp    1   211947520   73101992    643     313.87
 silesia.tar zskp    2   211947520   67504318    969     208.38
 silesia.tar zskp    3   211947520   65177448    1899    106.44
+silesia.tar zskp    4   211947520   61381950    8115    24.91
 
 cgo zstd:
 silesia.tar zstd    1   211947520   73605392    543     371.56
 silesia.tar zstd    3   211947520   66793289    864     233.68
 silesia.tar zstd    6   211947520   62916450    1913    105.66
+silesia.tar zstd    9   211947520   60212393    5063    39.92
 
 gzip, stdlib/this package:
 silesia.tar gzstd   1   211947520   80007735    1654    122.21
@@ -171,9 +172,11 @@ file        out     level   insize  outsize     millis  mb/s
 gob-stream  zskp    1   1911399616  235022249   3088    590.30
 gob-stream  zskp    2   1911399616  205669791   3786    481.34
 gob-stream  zskp    3   1911399616  185792019   9324    195.48
+gob-stream  zskp    4   1911399616  171537212   32113   56.76
 gob-stream  zstd    1   1911399616  249810424   2637    691.26
 gob-stream  zstd    3   1911399616  208192146   3490    522.31
 gob-stream  zstd    6   1911399616  193632038   6687    272.56
+gob-stream  zstd    9   1911399616  177620386   16175   112.70
 gob-stream  gzstd   1   1911399616  357382641   10251   177.82
 gob-stream  gzkp    1   1911399616  362156523   5695    320.08
 
@@ -185,9 +188,11 @@ file    out level   insize      outsize     millis  mb/s
 enwik9  zskp    1   1000000000  343848582   3609    264.18
 enwik9  zskp    2   1000000000  317276632   5746    165.97
 enwik9  zskp    3   1000000000  294540704   11725   81.34
+enwik9  zskp    4   1000000000  276609671   44029   21.66
 enwik9  zstd    1   1000000000  358072021   3110    306.65
 enwik9  zstd    3   1000000000  313734672   4784    199.35
 enwik9  zstd    6   1000000000  295138875   10290   92.68
+enwik9  zstd    9   1000000000  278348700   28549   33.40
 enwik9  gzstd   1   1000000000  382578136   9604    99.30
 enwik9  gzkp    1   1000000000  383825945   6544    145.73
 
@@ -198,9 +203,11 @@ file                        out level   insize      outsize     millis  mb/s
 github-june-2days-2019.json zskp    1   6273951764  699045015   10620   563.40
 github-june-2days-2019.json zskp    2   6273951764  617881763   11687   511.96
 github-june-2days-2019.json zskp    3   6273951764  537511906   29252   204.54
+github-june-2days-2019.json zskp    4   6273951764  512796117   97791   61.18
 github-june-2days-2019.json zstd    1   6273951764  766284037   8450    708.00
 github-june-2days-2019.json zstd    3   6273951764  661889476   10927   547.57
 github-june-2days-2019.json zstd    6   6273951764  642756859   22996   260.18
+github-june-2days-2019.json zstd    9   6273951764  601974523   52413   114.16
 github-june-2days-2019.json gzstd   1   6273951764  1164400847  29948   199.79
 github-june-2days-2019.json gzkp    1   6273951764  1128755542  19236   311.03
 
@@ -211,9 +218,11 @@ file                    out level   insize      outsize     millis  mb/s
 rawstudio-mint14.tar    zskp    1   8558382592  3667489370  20210   403.84
 rawstudio-mint14.tar    zskp    2   8558382592  3364592300  31873   256.07
 rawstudio-mint14.tar    zskp    3   8558382592  3224594213  71751   113.75
+rawstudio-mint14.tar    zskp    4   8558382592  3027332295  486243  16.79
 rawstudio-mint14.tar    zstd    1   8558382592  3609250104  17136   476.27
 rawstudio-mint14.tar    zstd    3   8558382592  3341679997  29262   278.92
 rawstudio-mint14.tar    zstd    6   8558382592  3235846406  77904   104.77
+rawstudio-mint14.tar    zstd    9   8558382592  3160778861  140946  57.91
 rawstudio-mint14.tar    gzstd   1   8558382592  3926257486  57722   141.40
 rawstudio-mint14.tar    gzkp    1   8558382592  3970463184  41749   195.49
 
@@ -224,9 +233,11 @@ file                    out level   insize      outsize     millis  mb/s
 nyc-taxi-data-10M.csv   zskp    1   3325605752  641339945   8925    355.35
 nyc-taxi-data-10M.csv   zskp    2   3325605752  591748091   11268   281.44
 nyc-taxi-data-10M.csv   zskp    3   3325605752  538490114   19880   159.53
+nyc-taxi-data-10M.csv   zskp    4   3325605752  495986829   89368   35.49
 nyc-taxi-data-10M.csv   zstd    1   3325605752  687399637   8233    385.18
 nyc-taxi-data-10M.csv   zstd    3   3325605752  598514411   10065   315.07
 nyc-taxi-data-10M.csv   zstd    6   3325605752  570522953   20038   158.27
+nyc-taxi-data-10M.csv   zstd    9   3325605752  517554797   64565   49.12
 nyc-taxi-data-10M.csv   gzstd   1   3325605752  928656485   23876   132.83
 nyc-taxi-data-10M.csv   gzkp    1   3325605752  924718719   16388   193.53
 ```
diff --git a/vendor/github.com/klauspost/compress/zstd/blockdec.go b/vendor/github.com/klauspost/compress/zstd/blockdec.go
index 4733ea876..b51d922bd 100644
--- a/vendor/github.com/klauspost/compress/zstd/blockdec.go
+++ b/vendor/github.com/klauspost/compress/zstd/blockdec.go
@@ -613,7 +613,7 @@ func (b *blockDec) decodeCompressed(hist *history) error {
 	// Decode treeless literal block.
 	if litType == literalsBlockTreeless {
 		// TODO: We could send the history early WITHOUT the stream history.
-		//   This would allow decoding treeless literials before the byte history is available.
+		//   This would allow decoding treeless literals before the byte history is available.
 		//   Silencia stats: Treeless 4393, with: 32775, total: 37168, 11% treeless.
 		//   So not much obvious gain here.
 
diff --git a/vendor/github.com/klauspost/compress/zstd/blockenc.go b/vendor/github.com/klauspost/compress/zstd/blockenc.go
index 083fbb502..c85c40255 100644
--- a/vendor/github.com/klauspost/compress/zstd/blockenc.go
+++ b/vendor/github.com/klauspost/compress/zstd/blockenc.go
@@ -76,6 +76,7 @@ func (b *blockEnc) reset(prev *blockEnc) {
 	if prev != nil {
 		b.recentOffsets = prev.prevRecentOffsets
 	}
+	b.dictLitEnc = nil
 }
 
 // reset will reset the block for a new encode, but in the same stream,
diff --git a/vendor/github.com/klauspost/compress/zstd/decodeheader.go b/vendor/github.com/klauspost/compress/zstd/decodeheader.go
new file mode 100644
index 000000000..87896c5ea
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/zstd/decodeheader.go
@@ -0,0 +1,202 @@
+// Copyright 2020+ Klaus Post. All rights reserved.
+// License information can be found in the LICENSE file.
+
+package zstd
+
+import (
+	"bytes"
+	"errors"
+	"io"
+)
+
+// HeaderMaxSize is the maximum size of a Frame and Block Header.
+// If less is sent to Header.Decode it *may* still contain enough information.
+const HeaderMaxSize = 14 + 3
+
+// Header contains information about the first frame and block within that.
+type Header struct {
+	// Window Size the window of data to keep while decoding.
+	// Will only be set if HasFCS is false.
+	WindowSize uint64
+
+	// Frame content size.
+	// Expected size of the entire frame.
+	FrameContentSize uint64
+
+	// Dictionary ID.
+	// If 0, no dictionary.
+	DictionaryID uint32
+
+	// First block information.
+	FirstBlock struct {
+		// OK will be set if first block could be decoded.
+		OK bool
+
+		// Is this the last block of a frame?
+		Last bool
+
+		// Is the data compressed?
+		// If true CompressedSize will be populated.
+		// Unfortunately DecompressedSize cannot be determined
+		// without decoding the blocks.
+		Compressed bool
+
+		// DecompressedSize is the expected decompressed size of the block.
+		// Will be 0 if it cannot be determined.
+		DecompressedSize int
+
+		// CompressedSize of the data in the block.
+		// Does not include the block header.
+		// Will be equal to DecompressedSize if not Compressed.
+		CompressedSize int
+	}
+
+	// Skippable will be true if the frame is meant to be skipped.
+	// No other information will be populated.
+	Skippable bool
+
+	// If set there is a checksum present for the block content.
+	HasCheckSum bool
+
+	// If this is true FrameContentSize will have a valid value
+	HasFCS bool
+
+	SingleSegment bool
+}
+
+// Decode the header from the beginning of the stream.
+// This will decode the frame header and the first block header if enough bytes are provided.
+// It is recommended to provide at least HeaderMaxSize bytes.
+// If the frame header cannot be read an error will be returned.
+// If there isn't enough input, io.ErrUnexpectedEOF is returned.
+// The FirstBlock.OK will indicate if enough information was available to decode the first block header.
+func (h *Header) Decode(in []byte) error {
+	if len(in) < 4 {
+		return io.ErrUnexpectedEOF
+	}
+	b, in := in[:4], in[4:]
+	if !bytes.Equal(b, frameMagic) {
+		if !bytes.Equal(b[1:4], skippableFrameMagic) || b[0]&0xf0 != 0x50 {
+			return ErrMagicMismatch
+		}
+		*h = Header{Skippable: true}
+		return nil
+	}
+	if len(in) < 1 {
+		return io.ErrUnexpectedEOF
+	}
+
+	// Clear output
+	*h = Header{}
+	fhd, in := in[0], in[1:]
+	h.SingleSegment = fhd&(1<<5) != 0
+	h.HasCheckSum = fhd&(1<<2) != 0
+
+	if fhd&(1<<3) != 0 {
+		return errors.New("Reserved bit set on frame header")
+	}
+
+	// Read Window_Descriptor
+	// https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#window_descriptor
+	if !h.SingleSegment {
+		if len(in) < 1 {
+			return io.ErrUnexpectedEOF
+		}
+		var wd byte
+		wd, in = in[0], in[1:]
+		windowLog := 10 + (wd >> 3)
+		windowBase := uint64(1) << windowLog
+		windowAdd := (windowBase / 8) * uint64(wd&0x7)
+		h.WindowSize = windowBase + windowAdd
+	}
+
+	// Read Dictionary_ID
+	// https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#dictionary_id
+	if size := fhd & 3; size != 0 {
+		if size == 3 {
+			size = 4
+		}
+		if len(in) < int(size) {
+			return io.ErrUnexpectedEOF
+		}
+		b, in = in[:size], in[size:]
+		if b == nil {
+			return io.ErrUnexpectedEOF
+		}
+		switch size {
+		case 1:
+			h.DictionaryID = uint32(b[0])
+		case 2:
+			h.DictionaryID = uint32(b[0]) | (uint32(b[1]) << 8)
+		case 4:
+			h.DictionaryID = uint32(b[0]) | (uint32(b[1]) << 8) | (uint32(b[2]) << 16) | (uint32(b[3]) << 24)
+		}
+	}
+
+	// Read Frame_Content_Size
+	// https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#frame_content_size
+	var fcsSize int
+	v := fhd >> 6
+	switch v {
+	case 0:
+		if h.SingleSegment {
+			fcsSize = 1
+		}
+	default:
+		fcsSize = 1 << v
+	}
+
+	if fcsSize > 0 {
+		h.HasFCS = true
+		if len(in) < fcsSize {
+			return io.ErrUnexpectedEOF
+		}
+		b, in = in[:fcsSize], in[fcsSize:]
+		if b == nil {
+			return io.ErrUnexpectedEOF
+		}
+		switch fcsSize {
+		case 1:
+			h.FrameContentSize = uint64(b[0])
+		case 2:
+			// When FCS_Field_Size is 2, the offset of 256 is added.
+			h.FrameContentSize = uint64(b[0]) | (uint64(b[1]) << 8) + 256
+		case 4:
+			h.FrameContentSize = uint64(b[0]) | (uint64(b[1]) << 8) | (uint64(b[2]) << 16) | (uint64(b[3]) << 24)
+		case 8:
+			d1 := uint32(b[0]) | (uint32(b[1]) << 8) | (uint32(b[2]) << 16) | (uint32(b[3]) << 24)
+			d2 := uint32(b[4]) | (uint32(b[5]) << 8) | (uint32(b[6]) << 16) | (uint32(b[7]) << 24)
+			h.FrameContentSize = uint64(d1) | (uint64(d2) << 32)
+		}
+	}
+
+	// Frame Header done, we will not fail from now on.
+	if len(in) < 3 {
+		return nil
+	}
+	tmp, in := in[:3], in[3:]
+	bh := uint32(tmp[0]) | (uint32(tmp[1]) << 8) | (uint32(tmp[2]) << 16)
+	h.FirstBlock.Last = bh&1 != 0
+	blockType := blockType((bh >> 1) & 3)
+	// find size.
+	cSize := int(bh >> 3)
+	switch blockType {
+	case blockTypeReserved:
+		return nil
+	case blockTypeRLE:
+		h.FirstBlock.Compressed = true
+		h.FirstBlock.DecompressedSize = cSize
+		h.FirstBlock.CompressedSize = 1
+	case blockTypeCompressed:
+		h.FirstBlock.Compressed = true
+		h.FirstBlock.CompressedSize = cSize
+	case blockTypeRaw:
+		h.FirstBlock.DecompressedSize = cSize
+		h.FirstBlock.CompressedSize = cSize
+	default:
+		panic("Invalid block type")
+	}
+
+	h.FirstBlock.OK = true
+	return nil
+}
diff --git a/vendor/github.com/klauspost/compress/zstd/enc_best.go b/vendor/github.com/klauspost/compress/zstd/enc_best.go
new file mode 100644
index 000000000..c4baa42c6
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/zstd/enc_best.go
@@ -0,0 +1,484 @@
+// Copyright 2019+ Klaus Post. All rights reserved.
+// License information can be found in the LICENSE file.
+// Based on work by Yann Collet, released under BSD License.
+
+package zstd
+
+import (
+	"fmt"
+	"math/bits"
+)
+
+const (
+	bestLongTableBits = 20                     // Bits used in the long match table
+	bestLongTableSize = 1 << bestLongTableBits // Size of the table
+
+	// Note: Increasing the short table bits or making the hash shorter
+	// can actually lead to compression degradation since it will 'steal' more from the
+	// long match table and match offsets are quite big.
+	// This greatly depends on the type of input.
+	bestShortTableBits = 16                      // Bits used in the short match table
+	bestShortTableSize = 1 << bestShortTableBits // Size of the table
+)
+
+// bestFastEncoder uses 2 tables, one for short matches (5 bytes) and one for long matches.
+// The long match table contains the previous entry with the same hash,
+// effectively making it a "chain" of length 2.
+// When we find a long match we choose between the two values and select the longest.
+// When we find a short match, after checking the long, we check if we can find a long at n+1
+// and that it is longer (lazy matching).
+type bestFastEncoder struct {
+	fastBase
+	table         [bestShortTableSize]prevEntry
+	longTable     [bestLongTableSize]prevEntry
+	dictTable     []prevEntry
+	dictLongTable []prevEntry
+}
+
+// Encode improves compression...
+func (e *bestFastEncoder) Encode(blk *blockEnc, src []byte) {
+	const (
+		// Input margin is the number of bytes we read (8)
+		// and the maximum we will read ahead (2)
+		inputMargin            = 8 + 4
+		minNonLiteralBlockSize = 16
+	)
+
+	// Protect against e.cur wraparound.
+	for e.cur >= bufferReset {
+		if len(e.hist) == 0 {
+			for i := range e.table[:] {
+				e.table[i] = prevEntry{}
+			}
+			for i := range e.longTable[:] {
+				e.longTable[i] = prevEntry{}
+			}
+			e.cur = e.maxMatchOff
+			break
+		}
+		// Shift down everything in the table that isn't already too far away.
+		minOff := e.cur + int32(len(e.hist)) - e.maxMatchOff
+		for i := range e.table[:] {
+			v := e.table[i].offset
+			v2 := e.table[i].prev
+			if v < minOff {
+				v = 0
+				v2 = 0
+			} else {
+				v = v - e.cur + e.maxMatchOff
+				if v2 < minOff {
+					v2 = 0
+				} else {
+					v2 = v2 - e.cur + e.maxMatchOff
+				}
+			}
+			e.table[i] = prevEntry{
+				offset: v,
+				prev:   v2,
+			}
+		}
+		for i := range e.longTable[:] {
+			v := e.longTable[i].offset
+			v2 := e.longTable[i].prev
+			if v < minOff {
+				v = 0
+				v2 = 0
+			} else {
+				v = v - e.cur + e.maxMatchOff
+				if v2 < minOff {
+					v2 = 0
+				} else {
+					v2 = v2 - e.cur + e.maxMatchOff
+				}
+			}
+			e.longTable[i] = prevEntry{
+				offset: v,
+				prev:   v2,
+			}
+		}
+		e.cur = e.maxMatchOff
+		break
+	}
+
+	s := e.addBlock(src)
+	blk.size = len(src)
+	if len(src) < minNonLiteralBlockSize {
+		blk.extraLits = len(src)
+		blk.literals = blk.literals[:len(src)]
+		copy(blk.literals, src)
+		return
+	}
+
+	// Override src
+	src = e.hist
+	sLimit := int32(len(src)) - inputMargin
+	const kSearchStrength = 12
+
+	// nextEmit is where in src the next emitLiteral should start from.
+	nextEmit := s
+	cv := load6432(src, s)
+
+	// Relative offsets
+	offset1 := int32(blk.recentOffsets[0])
+	offset2 := int32(blk.recentOffsets[1])
+	offset3 := int32(blk.recentOffsets[2])
+
+	addLiterals := func(s *seq, until int32) {
+		if until == nextEmit {
+			return
+		}
+		blk.literals = append(blk.literals, src[nextEmit:until]...)
+		s.litLen = uint32(until - nextEmit)
+	}
+	_ = addLiterals
+
+	if debug {
+		println("recent offsets:", blk.recentOffsets)
+	}
+
+encodeLoop:
+	for {
+		// We allow the encoder to optionally turn off repeat offsets across blocks
+		canRepeat := len(blk.sequences) > 2
+
+		if debugAsserts && canRepeat && offset1 == 0 {
+			panic("offset0 was 0")
+		}
+
+		type match struct {
+			offset int32
+			s      int32
+			length int32
+			rep    int32
+		}
+		matchAt := func(offset int32, s int32, first uint32, rep int32) match {
+			if s-offset >= e.maxMatchOff || load3232(src, offset) != first {
+				return match{offset: offset, s: s}
+			}
+			return match{offset: offset, s: s, length: 4 + e.matchlen(s+4, offset+4, src), rep: rep}
+		}
+
+		bestOf := func(a, b match) match {
+			aScore := b.s - a.s + a.length
+			bScore := a.s - b.s + b.length
+			if a.rep < 0 {
+				aScore = aScore - int32(bits.Len32(uint32(a.offset)))/8
+			}
+			if b.rep < 0 {
+				bScore = bScore - int32(bits.Len32(uint32(b.offset)))/8
+			}
+			if aScore >= bScore {
+				return a
+			}
+			return b
+		}
+		const goodEnough = 100
+
+		nextHashL := hash8(cv, bestLongTableBits)
+		nextHashS := hash4x64(cv, bestShortTableBits)
+		candidateL := e.longTable[nextHashL]
+		candidateS := e.table[nextHashS]
+
+		best := bestOf(matchAt(candidateL.offset-e.cur, s, uint32(cv), -1), matchAt(candidateL.prev-e.cur, s, uint32(cv), -1))
+		best = bestOf(best, matchAt(candidateS.offset-e.cur, s, uint32(cv), -1))
+		best = bestOf(best, matchAt(candidateS.prev-e.cur, s, uint32(cv), -1))
+		if canRepeat && best.length < goodEnough {
+			best = bestOf(best, matchAt(s-offset1+1, s+1, uint32(cv>>8), 1))
+			best = bestOf(best, matchAt(s-offset2+1, s+1, uint32(cv>>8), 2))
+			best = bestOf(best, matchAt(s-offset3+1, s+1, uint32(cv>>8), 3))
+			best = bestOf(best, matchAt(s-offset1+3, s+3, uint32(cv>>24), 1))
+			best = bestOf(best, matchAt(s-offset2+3, s+3, uint32(cv>>24), 2))
+			best = bestOf(best, matchAt(s-offset3+3, s+3, uint32(cv>>24), 3))
+		}
+		// Load next and check...
+		e.longTable[nextHashL] = prevEntry{offset: s + e.cur, prev: candidateL.offset}
+		e.table[nextHashS] = prevEntry{offset: s + e.cur, prev: candidateS.offset}
+
+		// Look far ahead, unless we have a really long match already...
+		if best.length < goodEnough {
+			// No match found, move forward on input, no need to check forward...
+			if best.length < 4 {
+				s += 1 + (s-nextEmit)>>(kSearchStrength-1)
+				if s >= sLimit {
+					break encodeLoop
+				}
+				cv = load6432(src, s)
+				continue
+			}
+
+			s++
+			candidateS = e.table[hash4x64(cv>>8, bestShortTableBits)]
+			cv = load6432(src, s)
+			cv2 := load6432(src, s+1)
+			candidateL = e.longTable[hash8(cv, bestLongTableBits)]
+			candidateL2 := e.longTable[hash8(cv2, bestLongTableBits)]
+
+			best = bestOf(best, matchAt(candidateS.offset-e.cur, s, uint32(cv), -1))
+			best = bestOf(best, matchAt(candidateL.offset-e.cur, s, uint32(cv), -1))
+			best = bestOf(best, matchAt(candidateL.prev-e.cur, s, uint32(cv), -1))
+			best = bestOf(best, matchAt(candidateL2.offset-e.cur, s+1, uint32(cv2), -1))
+			best = bestOf(best, matchAt(candidateL2.prev-e.cur, s+1, uint32(cv2), -1))
+		}
+
+		// We have a match, we can store the forward value
+		if best.rep > 0 {
+			s = best.s
+			var seq seq
+			seq.matchLen = uint32(best.length - zstdMinMatch)
+
+			// We might be able to match backwards.
+			// Extend as long as we can.
+			start := best.s
+			// We end the search early, so we don't risk 0 literals
+			// and have to do special offset treatment.
+			startLimit := nextEmit + 1
+
+			tMin := s - e.maxMatchOff
+			if tMin < 0 {
+				tMin = 0
+			}
+			repIndex := best.offset
+			for repIndex > tMin && start > startLimit && src[repIndex-1] == src[start-1] && seq.matchLen < maxMatchLength-zstdMinMatch-1 {
+				repIndex--
+				start--
+				seq.matchLen++
+			}
+			addLiterals(&seq, start)
+
+			// rep 0
+			seq.offset = uint32(best.rep)
+			if debugSequences {
+				println("repeat sequence", seq, "next s:", s)
+			}
+			blk.sequences = append(blk.sequences, seq)
+
+			// Index match start+1 (long) -> s - 1
+			index0 := s
+			s = best.s + best.length
+
+			nextEmit = s
+			if s >= sLimit {
+				if debug {
+					println("repeat ended", s, best.length)
+
+				}
+				break encodeLoop
+			}
+			// Index skipped...
+			off := index0 + e.cur
+			for index0 < s-1 {
+				cv0 := load6432(src, index0)
+				h0 := hash8(cv0, bestLongTableBits)
+				h1 := hash4x64(cv0, bestShortTableBits)
+				e.longTable[h0] = prevEntry{offset: off, prev: e.longTable[h0].offset}
+				e.table[h1] = prevEntry{offset: off, prev: e.table[h1].offset}
+				off++
+				index0++
+			}
+			switch best.rep {
+			case 2:
+				offset1, offset2 = offset2, offset1
+			case 3:
+				offset1, offset2, offset3 = offset3, offset1, offset2
+			}
+			cv = load6432(src, s)
+			continue
+		}
+
+		// A 4-byte match has been found. Update recent offsets.
+		// We'll later see if more than 4 bytes.
+		s = best.s
+		t := best.offset
+		offset1, offset2, offset3 = s-t, offset1, offset2
+
+		if debugAsserts && s <= t {
+			panic(fmt.Sprintf("s (%d) <= t (%d)", s, t))
+		}
+
+		if debugAsserts && canRepeat && int(offset1) > len(src) {
+			panic("invalid offset")
+		}
+
+		// Extend the n-byte match as long as possible.
+		l := best.length
+
+		// Extend backwards
+		tMin := s - e.maxMatchOff
+		if tMin < 0 {
+			tMin = 0
+		}
+		for t > tMin && s > nextEmit && src[t-1] == src[s-1] && l < maxMatchLength {
+			s--
+			t--
+			l++
+		}
+
+		// Write our sequence
+		var seq seq
+		seq.litLen = uint32(s - nextEmit)
+		seq.matchLen = uint32(l - zstdMinMatch)
+		if seq.litLen > 0 {
+			blk.literals = append(blk.literals, src[nextEmit:s]...)
+		}
+		seq.offset = uint32(s-t) + 3
+		s += l
+		if debugSequences {
+			println("sequence", seq, "next s:", s)
+		}
+		blk.sequences = append(blk.sequences, seq)
+		nextEmit = s
+		if s >= sLimit {
+			break encodeLoop
+		}
+
+		// Index match start+1 (long) -> s - 1
+		index0 := s - l + 1
+		// every entry
+		for index0 < s-1 {
+			cv0 := load6432(src, index0)
+			h0 := hash8(cv0, bestLongTableBits)
+			h1 := hash4x64(cv0, bestShortTableBits)
+			off := index0 + e.cur
+			e.longTable[h0] = prevEntry{offset: off, prev: e.longTable[h0].offset}
+			e.table[h1] = prevEntry{offset: off, prev: e.table[h1].offset}
+			index0++
+		}
+
+		cv = load6432(src, s)
+		if !canRepeat {
+			continue
+		}
+
+		// Check offset 2
+		for {
+			o2 := s - offset2
+			if load3232(src, o2) != uint32(cv) {
+				// Do regular search
+				break
+			}
+
+			// Store this, since we have it.
+			nextHashS := hash4x64(cv, bestShortTableBits)
+			nextHashL := hash8(cv, bestLongTableBits)
+
+			// We have at least 4 byte match.
+			// No need to check backwards. We come straight from a match
+			l := 4 + e.matchlen(s+4, o2+4, src)
+
+			e.longTable[nextHashL] = prevEntry{offset: s + e.cur, prev: e.longTable[nextHashL].offset}
+			e.table[nextHashS] = prevEntry{offset: s + e.cur, prev: e.table[nextHashS].offset}
+			seq.matchLen = uint32(l) - zstdMinMatch
+			seq.litLen = 0
+
+			// Since litlen is always 0, this is offset 1.
+			seq.offset = 1
+			s += l
+			nextEmit = s
+			if debugSequences {
+				println("sequence", seq, "next s:", s)
+			}
+			blk.sequences = append(blk.sequences, seq)
+
+			// Swap offset 1 and 2.
+			offset1, offset2 = offset2, offset1
+			if s >= sLimit {
+				// Finished
+				break encodeLoop
+			}
+			cv = load6432(src, s)
+		}
+	}
+
+	if int(nextEmit) < len(src) {
+		blk.literals = append(blk.literals, src[nextEmit:]...)
+		blk.extraLits = len(src) - int(nextEmit)
+	}
+	blk.recentOffsets[0] = uint32(offset1)
+	blk.recentOffsets[1] = uint32(offset2)
+	blk.recentOffsets[2] = uint32(offset3)
+	if debug {
+		println("returning, recent offsets:", blk.recentOffsets, "extra literals:", blk.extraLits)
+	}
+}
+
+// EncodeNoHist will encode a block with no history and no following blocks.
+// Most notable difference is that src will not be copied for history and
+// we do not need to check for max match length.
+func (e *bestFastEncoder) EncodeNoHist(blk *blockEnc, src []byte) {
+	e.Encode(blk, src)
+}
+
+// ResetDict will reset and set a dictionary if not nil
+func (e *bestFastEncoder) Reset(d *dict, singleBlock bool) {
+	e.resetBase(d, singleBlock)
+	if d == nil {
+		return
+	}
+	// Init or copy dict table
+	if len(e.dictTable) != len(e.table) || d.id != e.lastDictID {
+		if len(e.dictTable) != len(e.table) {
+			e.dictTable = make([]prevEntry, len(e.table))
+		}
+		end := int32(len(d.content)) - 8 + e.maxMatchOff
+		for i := e.maxMatchOff; i < end; i += 4 {
+			const hashLog = bestShortTableBits
+
+			cv := load6432(d.content, i-e.maxMatchOff)
+			nextHash := hash4x64(cv, hashLog)      // 0 -> 4
+			nextHash1 := hash4x64(cv>>8, hashLog)  // 1 -> 5
+			nextHash2 := hash4x64(cv>>16, hashLog) // 2 -> 6
+			nextHash3 := hash4x64(cv>>24, hashLog) // 3 -> 7
+			e.dictTable[nextHash] = prevEntry{
+				prev:   e.dictTable[nextHash].offset,
+				offset: i,
+			}
+			e.dictTable[nextHash1] = prevEntry{
+				prev:   e.dictTable[nextHash1].offset,
+				offset: i + 1,
+			}
+			e.dictTable[nextHash2] = prevEntry{
+				prev:   e.dictTable[nextHash2].offset,
+				offset: i + 2,
+			}
+			e.dictTable[nextHash3] = prevEntry{
+				prev:   e.dictTable[nextHash3].offset,
+				offset: i + 3,
+			}
+		}
+		e.lastDictID = d.id
+	}
+
+	// Init or copy dict table
+	if len(e.dictLongTable) != len(e.longTable) || d.id != e.lastDictID {
+		if len(e.dictLongTable) != len(e.longTable) {
+			e.dictLongTable = make([]prevEntry, len(e.longTable))
+		}
+		if len(d.content) >= 8 {
+			cv := load6432(d.content, 0)
+			h := hash8(cv, bestLongTableBits)
+			e.dictLongTable[h] = prevEntry{
+				offset: e.maxMatchOff,
+				prev:   e.dictLongTable[h].offset,
+			}
+
+			end := int32(len(d.content)) - 8 + e.maxMatchOff
+			off := 8 // First to read
+			for i := e.maxMatchOff + 1; i < end; i++ {
+				cv = cv>>8 | (uint64(d.content[off]) << 56)
+				h := hash8(cv, bestLongTableBits)
+				e.dictLongTable[h] = prevEntry{
+					offset: i,
+					prev:   e.dictLongTable[h].offset,
+				}
+				off++
+			}
+		}
+		e.lastDictID = d.id
+	}
+	// Reset table to initial state
+	copy(e.longTable[:], e.dictLongTable)
+
+	e.cur = e.maxMatchOff
+	// Reset table to initial state
+	copy(e.table[:], e.dictTable)
+}
diff --git a/vendor/github.com/klauspost/compress/zstd/encoder_options.go b/vendor/github.com/klauspost/compress/zstd/encoder_options.go
index 1209915bc..a7312f42a 100644
--- a/vendor/github.com/klauspost/compress/zstd/encoder_options.go
+++ b/vendor/github.com/klauspost/compress/zstd/encoder_options.go
@@ -47,6 +47,8 @@ func (o encoderOptions) encoder() encoder {
 		return &doubleFastEncoder{fastEncoder: fastEncoder{fastBase: fastBase{maxMatchOff: int32(o.windowSize)}}}
 	case SpeedBetterCompression:
 		return &betterFastEncoder{fastBase: fastBase{maxMatchOff: int32(o.windowSize)}}
+	case SpeedBestCompression:
+		return &bestFastEncoder{fastBase: fastBase{maxMatchOff: int32(o.windowSize)}}
 	case SpeedFastest:
 		return &fastEncoder{fastBase: fastBase{maxMatchOff: int32(o.windowSize)}}
 	}
@@ -143,20 +145,20 @@ const (
 	// By using this, notice that CPU usage may go up in the future.
 	SpeedBetterCompression
 
+	// SpeedBestCompression will choose the best available compression option.
+	// This will offer the best compression no matter the CPU cost.
+	SpeedBestCompression
+
 	// speedLast should be kept as the last actual compression option.
 	// The is not for external usage, but is used to keep track of the valid options.
 	speedLast
-
-	// SpeedBestCompression will choose the best available compression option.
-	// For now this is not implemented.
-	SpeedBestCompression = SpeedBetterCompression
 )
 
 // EncoderLevelFromString will convert a string representation of an encoding level back
 // to a compression level. The compare is not case sensitive.
 // If the string wasn't recognized, (false, SpeedDefault) will be returned.
 func EncoderLevelFromString(s string) (bool, EncoderLevel) {
-	for l := EncoderLevel(speedNotSet + 1); l < speedLast; l++ {
+	for l := speedNotSet + 1; l < speedLast; l++ {
 		if strings.EqualFold(s, l.String()) {
 			return true, l
 		}
@@ -173,7 +175,9 @@ func EncoderLevelFromZstd(level int) EncoderLevel {
 		return SpeedFastest
 	case level >= 3 && level < 6:
 		return SpeedDefault
-	case level > 5:
+	case level >= 6 && level < 10:
+		return SpeedBetterCompression
+	case level >= 10:
 		return SpeedBetterCompression
 	}
 	return SpeedDefault
@@ -188,6 +192,8 @@ func (e EncoderLevel) String() string {
 		return "default"
 	case SpeedBetterCompression:
 		return "better"
+	case SpeedBestCompression:
+		return "best"
 	default:
 		return "invalid"
 	}
@@ -209,6 +215,8 @@ func WithEncoderLevel(l EncoderLevel) EOption {
 				o.windowSize = 8 << 20
 			case SpeedBetterCompression:
 				o.windowSize = 16 << 20
+			case SpeedBestCompression:
+				o.windowSize = 32 << 20
 			}
 		}
 		if !o.customALEntropy {
diff --git a/vendor/golang.org/x/sys/unix/mkerrors.sh b/vendor/golang.org/x/sys/unix/mkerrors.sh
index 0c9a5c44b..c0f9f2d52 100644
--- a/vendor/golang.org/x/sys/unix/mkerrors.sh
+++ b/vendor/golang.org/x/sys/unix/mkerrors.sh
@@ -225,6 +225,7 @@ struct ltchars {
 #include <linux/kexec.h>
 #include <linux/keyctl.h>
 #include <linux/loop.h>
+#include <linux/lwtunnel.h>
 #include <linux/magic.h>
 #include <linux/memfd.h>
 #include <linux/module.h>
@@ -561,6 +562,7 @@ ccflags="$@"
 		$2 ~ /^CRYPTO_/ ||
 		$2 ~ /^TIPC_/ ||
 		$2 ~ /^DEVLINK_/ ||
+		$2 ~ /^LWTUNNEL_IP/ ||
 		$2 !~ "WMESGLEN" &&
 		$2 ~ /^W[A-Z0-9]+$/ ||
 		$2 ~/^PPPIOC/ ||
diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
index 842ab5acd..a4f2944a2 100644
--- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@@ -105,6 +105,19 @@ func Pipe(p []int) (err error) {
 	return
 }
 
+//sysnb	pipe2(p *[2]_C_int, flags int) (err error)
+
+func Pipe2(p []int, flags int) error {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	var pp [2]_C_int
+	err := pipe2(&pp, flags)
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return err
+}
+
 //sys	extpread(fd int, p []byte, flags int, offset int64) (n int, err error)
 func Pread(fd int, p []byte, offset int64) (n int, err error) {
 	return extpread(fd, p, 0, offset)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go
index 84a9e5277..28be1306e 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux.go
@@ -641,6 +641,36 @@ func (sa *SockaddrCAN) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil
 }
 
+// SockaddrCANJ1939 implements the Sockaddr interface for AF_CAN using J1939
+// protocol (https://en.wikipedia.org/wiki/SAE_J1939). For more information
+// on the purposes of the fields, check the official linux kernel documentation
+// available here: https://www.kernel.org/doc/Documentation/networking/j1939.rst
+type SockaddrCANJ1939 struct {
+	Ifindex int
+	Name    uint64
+	PGN     uint32
+	Addr    uint8
+	raw     RawSockaddrCAN
+}
+
+func (sa *SockaddrCANJ1939) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Family = AF_CAN
+	sa.raw.Ifindex = int32(sa.Ifindex)
+	n := (*[8]byte)(unsafe.Pointer(&sa.Name))
+	for i := 0; i < 8; i++ {
+		sa.raw.Addr[i] = n[i]
+	}
+	p := (*[4]byte)(unsafe.Pointer(&sa.PGN))
+	for i := 0; i < 4; i++ {
+		sa.raw.Addr[i+8] = p[i]
+	}
+	sa.raw.Addr[12] = sa.Addr
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil
+}
+
 // SockaddrALG implements the Sockaddr interface for AF_ALG type sockets.
 // SockaddrALG enables userspace access to the Linux kernel's cryptography
 // subsystem. The Type and Name fields specify which type of hash or cipher
@@ -952,6 +982,10 @@ func (sa *SockaddrIUCV) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrIUCV, nil
 }
 
+var socketProtocol = func(fd int) (int, error) {
+	return GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
+}
+
 func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 	switch rsa.Addr.Family {
 	case AF_NETLINK:
@@ -1002,7 +1036,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 		return sa, nil
 
 	case AF_INET:
-		proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
+		proto, err := socketProtocol(fd)
 		if err != nil {
 			return nil, err
 		}
@@ -1028,7 +1062,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 		}
 
 	case AF_INET6:
-		proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
+		proto, err := socketProtocol(fd)
 		if err != nil {
 			return nil, err
 		}
@@ -1063,7 +1097,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 		}
 		return sa, nil
 	case AF_BLUETOOTH:
-		proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
+		proto, err := socketProtocol(fd)
 		if err != nil {
 			return nil, err
 		}
@@ -1150,20 +1184,43 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 		return sa, nil
 
 	case AF_CAN:
-		pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
-		sa := &SockaddrCAN{
-			Ifindex: int(pp.Ifindex),
-		}
-		rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
-		for i := 0; i < 4; i++ {
-			rx[i] = pp.Addr[i]
-		}
-		tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
-		for i := 0; i < 4; i++ {
-			tx[i] = pp.Addr[i+4]
+		proto, err := socketProtocol(fd)
+		if err != nil {
+			return nil, err
 		}
-		return sa, nil
 
+		pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
+
+		switch proto {
+		case CAN_J1939:
+			sa := &SockaddrCANJ1939{
+				Ifindex: int(pp.Ifindex),
+			}
+			name := (*[8]byte)(unsafe.Pointer(&sa.Name))
+			for i := 0; i < 8; i++ {
+				name[i] = pp.Addr[i]
+			}
+			pgn := (*[4]byte)(unsafe.Pointer(&sa.PGN))
+			for i := 0; i < 4; i++ {
+				pgn[i] = pp.Addr[i+8]
+			}
+			addr := (*[1]byte)(unsafe.Pointer(&sa.Addr))
+			addr[0] = pp.Addr[12]
+			return sa, nil
+		default:
+			sa := &SockaddrCAN{
+				Ifindex: int(pp.Ifindex),
+			}
+			rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
+			for i := 0; i < 4; i++ {
+				rx[i] = pp.Addr[i]
+			}
+			tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
+			for i := 0; i < 4; i++ {
+				tx[i] = pp.Addr[i+4]
+			}
+			return sa, nil
+		}
 	}
 	return nil, EAFNOSUPPORT
 }
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux.go b/vendor/golang.org/x/sys/unix/zerrors_linux.go
index 2069fb861..b46110354 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux.go
@@ -1217,6 +1217,12 @@ const (
 	LOOP_SET_STATUS_SETTABLE_FLAGS              = 0xc
 	LO_KEY_SIZE                                 = 0x20
 	LO_NAME_SIZE                                = 0x40
+	LWTUNNEL_IP6_MAX                            = 0x8
+	LWTUNNEL_IP_MAX                             = 0x8
+	LWTUNNEL_IP_OPTS_MAX                        = 0x3
+	LWTUNNEL_IP_OPT_ERSPAN_MAX                  = 0x4
+	LWTUNNEL_IP_OPT_GENEVE_MAX                  = 0x3
+	LWTUNNEL_IP_OPT_VXLAN_MAX                   = 0x1
 	MADV_COLD                                   = 0x14
 	MADV_DODUMP                                 = 0x11
 	MADV_DOFORK                                 = 0xb
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
index aebfe511a..1aaccd361 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
@@ -362,6 +362,16 @@ func pipe() (r int, w int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func pipe2(p *[2]_C_int, flags int) (err error) {
+	_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func extpread(fd int, p []byte, flags int, offset int64) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(p) > 0 {
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go
index 830fbb35c..725b4bee2 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go
@@ -269,6 +269,7 @@ const (
 	SizeofSockaddrDatalink = 0x14
 	SizeofSockaddrCtl      = 0x20
 	SizeofLinger           = 0x8
+	SizeofIovec            = 0x8
 	SizeofIPMreq           = 0x8
 	SizeofIPv6Mreq         = 0x14
 	SizeofMsghdr           = 0x1c
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go
index e53a7c49f..080ffce32 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go
@@ -274,6 +274,7 @@ const (
 	SizeofSockaddrDatalink = 0x14
 	SizeofSockaddrCtl      = 0x20
 	SizeofLinger           = 0x8
+	SizeofIovec            = 0x10
 	SizeofIPMreq           = 0x8
 	SizeofIPv6Mreq         = 0x14
 	SizeofMsghdr           = 0x30
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
index 98be973ef..f2a77bc4e 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
@@ -269,6 +269,7 @@ const (
 	SizeofSockaddrDatalink = 0x14
 	SizeofSockaddrCtl      = 0x20
 	SizeofLinger           = 0x8
+	SizeofIovec            = 0x8
 	SizeofIPMreq           = 0x8
 	SizeofIPv6Mreq         = 0x14
 	SizeofMsghdr           = 0x1c
diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go
index ddae5afe1..c9492428b 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go
@@ -274,6 +274,7 @@ const (
 	SizeofSockaddrDatalink = 0x14
 	SizeofSockaddrCtl      = 0x20
 	SizeofLinger           = 0x8
+	SizeofIovec            = 0x10
 	SizeofIPMreq           = 0x8
 	SizeofIPv6Mreq         = 0x14
 	SizeofMsghdr           = 0x30
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux.go b/vendor/golang.org/x/sys/unix/ztypes_linux.go
index a96ad4c29..504ef131f 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux.go
@@ -2981,3 +2981,21 @@ type PPSKTime struct {
 	Nsec  int32
 	Flags uint32
 }
+
+const (
+	LWTUNNEL_ENCAP_NONE       = 0x0
+	LWTUNNEL_ENCAP_MPLS       = 0x1
+	LWTUNNEL_ENCAP_IP         = 0x2
+	LWTUNNEL_ENCAP_ILA        = 0x3
+	LWTUNNEL_ENCAP_IP6        = 0x4
+	LWTUNNEL_ENCAP_SEG6       = 0x5
+	LWTUNNEL_ENCAP_BPF        = 0x6
+	LWTUNNEL_ENCAP_SEG6_LOCAL = 0x7
+	LWTUNNEL_ENCAP_RPL        = 0x8
+	LWTUNNEL_ENCAP_MAX        = 0x8
+
+	MPLS_IPTUNNEL_UNSPEC = 0x0
+	MPLS_IPTUNNEL_DST    = 0x1
+	MPLS_IPTUNNEL_TTL    = 0x2
+	MPLS_IPTUNNEL_MAX    = 0x2
+)
diff --git a/vendor/golang.org/x/sys/windows/dll_windows.go b/vendor/golang.org/x/sys/windows/dll_windows.go
index 9cd147b7e..115341fba 100644
--- a/vendor/golang.org/x/sys/windows/dll_windows.go
+++ b/vendor/golang.org/x/sys/windows/dll_windows.go
@@ -391,7 +391,6 @@ func loadLibraryEx(name string, system bool) (*DLL, error) {
 	var flags uintptr
 	if system {
 		if canDoSearchSystem32() {
-			const LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
 			flags = LOAD_LIBRARY_SEARCH_SYSTEM32
 		} else if isBaseName(name) {
 			// WindowsXP or unpatched Windows machine
diff --git a/vendor/golang.org/x/sys/windows/security_windows.go b/vendor/golang.org/x/sys/windows/security_windows.go
index 14906485f..69eb462c5 100644
--- a/vendor/golang.org/x/sys/windows/security_windows.go
+++ b/vendor/golang.org/x/sys/windows/security_windows.go
@@ -624,6 +624,7 @@ func (tml *Tokenmandatorylabel) Size() uint32 {
 
 // Authorization Functions
 //sys	checkTokenMembership(tokenHandle Token, sidToCheck *SID, isMember *int32) (err error) = advapi32.CheckTokenMembership
+//sys	isTokenRestricted(tokenHandle Token) (ret bool, err error) [!failretval] = advapi32.IsTokenRestricted
 //sys	OpenProcessToken(process Handle, access uint32, token *Token) (err error) = advapi32.OpenProcessToken
 //sys	OpenThreadToken(thread Handle, access uint32, openAsSelf bool, token *Token) (err error) = advapi32.OpenThreadToken
 //sys	ImpersonateSelf(impersonationlevel uint32) (err error) = advapi32.ImpersonateSelf
@@ -837,6 +838,16 @@ func (t Token) IsMember(sid *SID) (bool, error) {
 	return b != 0, nil
 }
 
+// IsRestricted reports whether the access token t is a restricted token.
+func (t Token) IsRestricted() (isRestricted bool, err error) {
+	isRestricted, err = isTokenRestricted(t)
+	if !isRestricted && err == syscall.EINVAL {
+		// If err is EINVAL, this returned ERROR_SUCCESS indicating a non-restricted token.
+		err = nil
+	}
+	return
+}
+
 const (
 	WTS_CONSOLE_CONNECT        = 0x1
 	WTS_CONSOLE_DISCONNECT     = 0x2
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows.go b/vendor/golang.org/x/sys/windows/syscall_windows.go
index 86a46f771..c71bad127 100644
--- a/vendor/golang.org/x/sys/windows/syscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/syscall_windows.go
@@ -170,6 +170,8 @@ func NewCallbackCDecl(fn interface{}) uintptr {
 //sys	GetProcAddress(module Handle, procname string) (proc uintptr, err error)
 //sys	GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) = kernel32.GetModuleFileNameW
 //sys	GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err error) = kernel32.GetModuleHandleExW
+//sys	SetDefaultDllDirectories(directoryFlags uint32) (err error)
+//sys	SetDllDirectory(path string) (err error) = kernel32.SetDllDirectoryW
 //sys	GetVersion() (ver uint32, err error)
 //sys	FormatMessage(flags uint32, msgsrc uintptr, msgid uint32, langid uint32, buf []uint16, args *byte) (n uint32, err error) = FormatMessageW
 //sys	ExitProcess(exitcode uint32)
@@ -258,7 +260,7 @@ func NewCallbackCDecl(fn interface{}) uintptr {
 //sys	TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) = mswsock.TransmitFile
 //sys	ReadDirectoryChanges(handle Handle, buf *byte, buflen uint32, watchSubTree bool, mask uint32, retlen *uint32, overlapped *Overlapped, completionRoutine uintptr) (err error) = kernel32.ReadDirectoryChangesW
 //sys	CertOpenSystemStore(hprov Handle, name *uint16) (store Handle, err error) = crypt32.CertOpenSystemStoreW
-//sys   CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) [failretval==InvalidHandle] = crypt32.CertOpenStore
+//sys   CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) = crypt32.CertOpenStore
 //sys	CertEnumCertificatesInStore(store Handle, prevContext *CertContext) (context *CertContext, err error) [failretval==nil] = crypt32.CertEnumCertificatesInStore
 //sys   CertAddCertificateContextToStore(store Handle, certContext *CertContext, addDisposition uint32, storeContext **CertContext) (err error) = crypt32.CertAddCertificateContextToStore
 //sys	CertCloseStore(store Handle, flags uint32) (err error) = crypt32.CertCloseStore
diff --git a/vendor/golang.org/x/sys/windows/types_windows.go b/vendor/golang.org/x/sys/windows/types_windows.go
index e7ae37f88..265d797ca 100644
--- a/vendor/golang.org/x/sys/windows/types_windows.go
+++ b/vendor/golang.org/x/sys/windows/types_windows.go
@@ -1801,3 +1801,22 @@ const (
 	FileCaseSensitiveInfo          = 23
 	FileNormalizedNameInfo         = 24
 )
+
+// LoadLibrary flags for determining from where to search for a DLL
+const (
+	DONT_RESOLVE_DLL_REFERENCES               = 0x1
+	LOAD_LIBRARY_AS_DATAFILE                  = 0x2
+	LOAD_WITH_ALTERED_SEARCH_PATH             = 0x8
+	LOAD_IGNORE_CODE_AUTHZ_LEVEL              = 0x10
+	LOAD_LIBRARY_AS_IMAGE_RESOURCE            = 0x20
+	LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE        = 0x40
+	LOAD_LIBRARY_REQUIRE_SIGNED_TARGET        = 0x80
+	LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR          = 0x100
+	LOAD_LIBRARY_SEARCH_APPLICATION_DIR       = 0x200
+	LOAD_LIBRARY_SEARCH_USER_DIRS             = 0x400
+	LOAD_LIBRARY_SEARCH_SYSTEM32              = 0x800
+	LOAD_LIBRARY_SEARCH_DEFAULT_DIRS          = 0x1000
+	LOAD_LIBRARY_SAFE_CURRENT_DIRS            = 0x00002000
+	LOAD_LIBRARY_SEARCH_SYSTEM32_NO_FORWARDER = 0x00004000
+	LOAD_LIBRARY_OS_INTEGRITY_CONTINUITY      = 0x00008000
+)
diff --git a/vendor/golang.org/x/sys/windows/zsyscall_windows.go b/vendor/golang.org/x/sys/windows/zsyscall_windows.go
index 8fbef7da6..03e9f182e 100644
--- a/vendor/golang.org/x/sys/windows/zsyscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/zsyscall_windows.go
@@ -95,6 +95,7 @@ var (
 	procImpersonateSelf                                      = modadvapi32.NewProc("ImpersonateSelf")
 	procInitializeSecurityDescriptor                         = modadvapi32.NewProc("InitializeSecurityDescriptor")
 	procInitiateSystemShutdownExW                            = modadvapi32.NewProc("InitiateSystemShutdownExW")
+	procIsTokenRestricted                                    = modadvapi32.NewProc("IsTokenRestricted")
 	procIsValidSecurityDescriptor                            = modadvapi32.NewProc("IsValidSecurityDescriptor")
 	procIsValidSid                                           = modadvapi32.NewProc("IsValidSid")
 	procIsWellKnownSid                                       = modadvapi32.NewProc("IsWellKnownSid")
@@ -279,6 +280,8 @@ var (
 	procSetConsoleCursorPosition                             = modkernel32.NewProc("SetConsoleCursorPosition")
 	procSetConsoleMode                                       = modkernel32.NewProc("SetConsoleMode")
 	procSetCurrentDirectoryW                                 = modkernel32.NewProc("SetCurrentDirectoryW")
+	procSetDefaultDllDirectories                             = modkernel32.NewProc("SetDefaultDllDirectories")
+	procSetDllDirectoryW                                     = modkernel32.NewProc("SetDllDirectoryW")
 	procSetEndOfFile                                         = modkernel32.NewProc("SetEndOfFile")
 	procSetEnvironmentVariableW                              = modkernel32.NewProc("SetEnvironmentVariableW")
 	procSetErrorMode                                         = modkernel32.NewProc("SetErrorMode")
@@ -756,6 +759,15 @@ func InitiateSystemShutdownEx(machineName *uint16, message *uint16, timeout uint
 	return
 }
 
+func isTokenRestricted(tokenHandle Token) (ret bool, err error) {
+	r0, _, e1 := syscall.Syscall(procIsTokenRestricted.Addr(), 1, uintptr(tokenHandle), 0, 0)
+	ret = r0 != 0
+	if !ret {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func isValidSecurityDescriptor(sd *SECURITY_DESCRIPTOR) (isValid bool) {
 	r0, _, _ := syscall.Syscall(procIsValidSecurityDescriptor.Addr(), 1, uintptr(unsafe.Pointer(sd)), 0, 0)
 	isValid = r0 != 0
@@ -1181,7 +1193,7 @@ func CertGetCertificateChain(engine Handle, leaf *CertContext, time *Filetime, a
 func CertOpenStore(storeProvider uintptr, msgAndCertEncodingType uint32, cryptProv uintptr, flags uint32, para uintptr) (handle Handle, err error) {
 	r0, _, e1 := syscall.Syscall6(procCertOpenStore.Addr(), 5, uintptr(storeProvider), uintptr(msgAndCertEncodingType), uintptr(cryptProv), uintptr(flags), uintptr(para), 0)
 	handle = Handle(r0)
-	if handle == InvalidHandle {
+	if handle == 0 {
 		err = errnoErr(e1)
 	}
 	return
@@ -2366,6 +2378,31 @@ func SetCurrentDirectory(path *uint16) (err error) {
 	return
 }
 
+func SetDefaultDllDirectories(directoryFlags uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetDefaultDllDirectories.Addr(), 1, uintptr(directoryFlags), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func SetDllDirectory(path string) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(path)
+	if err != nil {
+		return
+	}
+	return _SetDllDirectory(_p0)
+}
+
+func _SetDllDirectory(path *uint16) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetDllDirectoryW.Addr(), 1, uintptr(unsafe.Pointer(path)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func SetEndOfFile(handle Handle) (err error) {
 	r1, _, e1 := syscall.Syscall(procSetEndOfFile.Addr(), 1, uintptr(handle), 0, 0)
 	if r1 == 0 {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index ceb9f6750..9688f84e3 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -3,13 +3,15 @@ github.com/Azure/go-ansiterm
 github.com/Azure/go-ansiterm/winterm
 # github.com/BurntSushi/toml v0.3.1
 github.com/BurntSushi/toml
-# github.com/Microsoft/go-winio v0.4.15
+# github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331
 github.com/Microsoft/go-winio
 github.com/Microsoft/go-winio/backuptar
 github.com/Microsoft/go-winio/pkg/guid
+github.com/Microsoft/go-winio/pkg/security
 github.com/Microsoft/go-winio/vhd
-# github.com/Microsoft/hcsshim v0.8.9
+# github.com/Microsoft/hcsshim v0.8.14
 github.com/Microsoft/hcsshim
+github.com/Microsoft/hcsshim/computestorage
 github.com/Microsoft/hcsshim/internal/cow
 github.com/Microsoft/hcsshim/internal/hcs
 github.com/Microsoft/hcsshim/internal/hcserror
@@ -26,6 +28,7 @@ github.com/Microsoft/hcsshim/internal/schema2
 github.com/Microsoft/hcsshim/internal/timeout
 github.com/Microsoft/hcsshim/internal/vmcompute
 github.com/Microsoft/hcsshim/internal/wclayer
+github.com/Microsoft/hcsshim/internal/winapi
 github.com/Microsoft/hcsshim/osversion
 # github.com/VividCortex/ewma v1.1.1
 github.com/VividCortex/ewma
@@ -42,7 +45,7 @@ github.com/checkpoint-restore/go-criu
 github.com/checkpoint-restore/go-criu/rpc
 # github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
 github.com/chzyer/readline
-# github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f
+# github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59
 github.com/containerd/cgroups/stats/v1
 # github.com/containerd/containerd v1.4.1
 github.com/containerd/containerd/errdefs
@@ -168,7 +171,7 @@ github.com/containers/psgo/internal/dev
 github.com/containers/psgo/internal/host
 github.com/containers/psgo/internal/proc
 github.com/containers/psgo/internal/process
-# github.com/containers/storage v1.24.3
+# github.com/containers/storage v1.24.4
 github.com/containers/storage
 github.com/containers/storage/drivers
 github.com/containers/storage/drivers/aufs
@@ -344,7 +347,7 @@ github.com/json-iterator/go
 # github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a
 github.com/juju/ansiterm
 github.com/juju/ansiterm/tabwriter
-# github.com/klauspost/compress v1.11.3
+# github.com/klauspost/compress v1.11.4
 github.com/klauspost/compress/flate
 github.com/klauspost/compress/fse
 github.com/klauspost/compress/huff0
@@ -627,7 +630,7 @@ golang.org/x/oauth2/internal
 # golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208
 golang.org/x/sync/errgroup
 golang.org/x/sync/semaphore
-# golang.org/x/sys v0.0.0-20201117170446-d9b008d0a637
+# golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3
 golang.org/x/sys/cpu
 golang.org/x/sys/internal/unsafeheader
 golang.org/x/sys/unix