Bump github.com/containers/storage from 1.32.3 to 1.32.5

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.32.3 to 1.32.5.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/main/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.32.3...v1.32.5)

---
updated-dependencies:
- dependency-name: github.com/containers/storage
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

22 files changed, 118 insertions, 548 deletions

diff --git a/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor.go b/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor.go
new file mode 100644
index 000000000..4b03d4c71
--- /dev/null
+++ b/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor.go
@@ -0,0 +1,16 @@
+package apparmor
+
+import "errors"
+
+var (
+	// IsEnabled returns true if apparmor is enabled for the host.
+	IsEnabled = isEnabled
+
+	// ApplyProfile will apply the profile with the specified name to the process after
+	// the next exec. It is only supported on Linux and produces an ErrApparmorNotEnabled
+	// on other platforms.
+	ApplyProfile = applyProfile
+
+	// ErrApparmorNotEnabled indicates that AppArmor is not enabled or not supported.
+	ErrApparmorNotEnabled = errors.New("apparmor: config provided but apparmor not supported")
+)
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_linux.go
index 5da14fb3b..744d4e570 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_linux.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_linux.go
@@ -15,8 +15,8 @@ var (
 	checkAppArmor   sync.Once
 )
 
-// IsEnabled returns true if apparmor is enabled for the host.
-func IsEnabled() bool {
+// isEnabled returns true if apparmor is enabled for the host.
+func isEnabled() bool {
 	checkAppArmor.Do(func() {
 		if _, err := os.Stat("/sys/kernel/security/apparmor"); err == nil {
 			buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled")
@@ -57,9 +57,10 @@ func changeOnExec(name string) error {
 	return nil
 }
 
-// ApplyProfile will apply the profile with the specified name to the process after
-// the next exec.
-func ApplyProfile(name string) error {
+// applyProfile will apply the profile with the specified name to the process after
+// the next exec. It is only supported on Linux and produces an error on other
+// platforms.
+func applyProfile(name string) error {
 	if name == "" {
 		return nil
 	}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_unsupported.go b/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_unsupported.go
index 0bc473f81..1adadafec 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_unsupported.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_unsupported.go
@@ -2,17 +2,11 @@
 
 package apparmor
 
-import (
-	"errors"
-)
-
-var ErrApparmorNotEnabled = errors.New("apparmor: config provided but apparmor not supported")
-
-func IsEnabled() bool {
+func isEnabled() bool {
 	return false
 }
 
-func ApplyProfile(name string) error {
+func applyProfile(name string) error {
 	if name != "" {
 		return ErrApparmorNotEnabled
 	}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/open.go b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/file.go
index 49af83b3c..5f6ab9fd6 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/open.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/file.go
@@ -1,6 +1,7 @@
-package fscommon
+package cgroups
 
 import (
+	"bytes"
 	"os"
 	"strings"
 	"sync"
@@ -10,6 +11,54 @@ import (
 	"golang.org/x/sys/unix"
 )
 
+// OpenFile opens a cgroup file in a given dir with given flags.
+// It is supposed to be used for cgroup files only.
+func OpenFile(dir, file string, flags int) (*os.File, error) {
+	if dir == "" {
+		return nil, errors.Errorf("no directory specified for %s", file)
+	}
+	return openFile(dir, file, flags)
+}
+
+// ReadFile reads data from a cgroup file in dir.
+// It is supposed to be used for cgroup files only.
+func ReadFile(dir, file string) (string, error) {
+	fd, err := OpenFile(dir, file, unix.O_RDONLY)
+	if err != nil {
+		return "", err
+	}
+	defer fd.Close()
+	var buf bytes.Buffer
+
+	_, err = buf.ReadFrom(fd)
+	return buf.String(), err
+}
+
+// WriteFile writes data to a cgroup file in dir.
+// It is supposed to be used for cgroup files only.
+func WriteFile(dir, file, data string) error {
+	fd, err := OpenFile(dir, file, unix.O_WRONLY)
+	if err != nil {
+		return err
+	}
+	defer fd.Close()
+	if err := retryingWriteFile(fd, data); err != nil {
+		return errors.Wrapf(err, "failed to write %q", data)
+	}
+	return nil
+}
+
+func retryingWriteFile(fd *os.File, data string) error {
+	for {
+		_, err := fd.Write([]byte(data))
+		if errors.Is(err, unix.EINTR) {
+			logrus.Infof("interrupted while writing %s to %s", data, fd.Name())
+			continue
+		}
+		return err
+	}
+}
+
 const (
 	cgroupfsDir    = "/sys/fs/cgroup"
 	cgroupfsPrefix = cgroupfsDir + "/"
@@ -28,7 +77,8 @@ var (
 func prepareOpenat2() error {
 	prepOnce.Do(func() {
 		fd, err := unix.Openat2(-1, cgroupfsDir, &unix.OpenHow{
-			Flags: unix.O_DIRECTORY | unix.O_PATH})
+			Flags: unix.O_DIRECTORY | unix.O_PATH,
+		})
 		if err != nil {
 			prepErr = &os.PathError{Op: "openat2", Path: cgroupfsDir, Err: err}
 			if err != unix.ENOSYS {
@@ -52,7 +102,6 @@ func prepareOpenat2() error {
 			// cgroupv2 has a single mountpoint and no "cpu,cpuacct" symlinks
 			resolveFlags |= unix.RESOLVE_NO_XDEV | unix.RESOLVE_NO_SYMLINKS
 		}
-
 	})
 
 	return prepErr
@@ -60,10 +109,7 @@ func prepareOpenat2() error {
 
 // OpenFile opens a cgroup file in a given dir with given flags.
 // It is supposed to be used for cgroup files only.
-func OpenFile(dir, file string, flags int) (*os.File, error) {
-	if dir == "" {
-		return nil, errors.Errorf("no directory specified for %s", file)
-	}
+func openFile(dir, file string, flags int) (*os.File, error) {
 	mode := os.FileMode(0)
 	if TestMode && flags&os.O_WRONLY != 0 {
 		// "emulate" cgroup fs for unit tests
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/fscommon.go b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/fscommon.go
deleted file mode 100644
index ae2613cdb..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/fscommon.go
+++ /dev/null
@@ -1,51 +0,0 @@
-// +build linux
-
-package fscommon
-
-import (
-	"bytes"
-	"os"
-
-	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
-	"golang.org/x/sys/unix"
-)
-
-// WriteFile writes data to a cgroup file in dir.
-// It is supposed to be used for cgroup files only.
-func WriteFile(dir, file, data string) error {
-	fd, err := OpenFile(dir, file, unix.O_WRONLY)
-	if err != nil {
-		return err
-	}
-	defer fd.Close()
-	if err := retryingWriteFile(fd, data); err != nil {
-		return errors.Wrapf(err, "failed to write %q", data)
-	}
-	return nil
-}
-
-// ReadFile reads data from a cgroup file in dir.
-// It is supposed to be used for cgroup files only.
-func ReadFile(dir, file string) (string, error) {
-	fd, err := OpenFile(dir, file, unix.O_RDONLY)
-	if err != nil {
-		return "", err
-	}
-	defer fd.Close()
-	var buf bytes.Buffer
-
-	_, err = buf.ReadFrom(fd)
-	return buf.String(), err
-}
-
-func retryingWriteFile(fd *os.File, data string) error {
-	for {
-		_, err := fd.Write([]byte(data))
-		if errors.Is(err, unix.EINTR) {
-			logrus.Infof("interrupted while writing %s to %s", data, fd.Name())
-			continue
-		}
-		return err
-	}
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/utils.go b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/utils.go
deleted file mode 100644
index db0caded1..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fscommon/utils.go
+++ /dev/null
@@ -1,122 +0,0 @@
-// +build linux
-
-package fscommon
-
-import (
-	"errors"
-	"fmt"
-	"math"
-	"strconv"
-	"strings"
-)
-
-var (
-	ErrNotValidFormat = errors.New("line is not a valid key value format")
-)
-
-// ParseUint converts a string to an uint64 integer.
-// Negative values are returned at zero as, due to kernel bugs,
-// some of the memory cgroup stats can be negative.
-func ParseUint(s string, base, bitSize int) (uint64, error) {
-	value, err := strconv.ParseUint(s, base, bitSize)
-	if err != nil {
-		intValue, intErr := strconv.ParseInt(s, base, bitSize)
-		// 1. Handle negative values greater than MinInt64 (and)
-		// 2. Handle negative values lesser than MinInt64
-		if intErr == nil && intValue < 0 {
-			return 0, nil
-		} else if intErr != nil && intErr.(*strconv.NumError).Err == strconv.ErrRange && intValue < 0 {
-			return 0, nil
-		}
-
-		return value, err
-	}
-
-	return value, nil
-}
-
-// ParseKeyValue parses a space-separated "name value" kind of cgroup
-// parameter and returns its key as a string, and its value as uint64
-// (ParseUint is used to convert the value). For example,
-// "io_service_bytes 1234" will be returned as "io_service_bytes", 1234.
-func ParseKeyValue(t string) (string, uint64, error) {
-	parts := strings.SplitN(t, " ", 3)
-	if len(parts) != 2 {
-		return "", 0, fmt.Errorf("line %q is not in key value format", t)
-	}
-
-	value, err := ParseUint(parts[1], 10, 64)
-	if err != nil {
-		return "", 0, fmt.Errorf("unable to convert to uint64: %v", err)
-	}
-
-	return parts[0], value, nil
-}
-
-// GetValueByKey reads a key-value pairs from the specified cgroup file,
-// and returns a value of the specified key. ParseUint is used for value
-// conversion.
-func GetValueByKey(path, file, key string) (uint64, error) {
-	content, err := ReadFile(path, file)
-	if err != nil {
-		return 0, err
-	}
-
-	lines := strings.Split(string(content), "\n")
-	for _, line := range lines {
-		arr := strings.Split(line, " ")
-		if len(arr) == 2 && arr[0] == key {
-			return ParseUint(arr[1], 10, 64)
-		}
-	}
-
-	return 0, nil
-}
-
-// GetCgroupParamUint reads a single uint64 value from the specified cgroup file.
-// If the value read is "max", the math.MaxUint64 is returned.
-func GetCgroupParamUint(path, file string) (uint64, error) {
-	contents, err := GetCgroupParamString(path, file)
-	if err != nil {
-		return 0, err
-	}
-	contents = strings.TrimSpace(contents)
-	if contents == "max" {
-		return math.MaxUint64, nil
-	}
-
-	res, err := ParseUint(contents, 10, 64)
-	if err != nil {
-		return res, fmt.Errorf("unable to parse file %q", path+"/"+file)
-	}
-	return res, nil
-}
-
-// GetCgroupParamInt reads a single int64 value from specified cgroup file.
-// If the value read is "max", the math.MaxInt64 is returned.
-func GetCgroupParamInt(path, file string) (int64, error) {
-	contents, err := ReadFile(path, file)
-	if err != nil {
-		return 0, err
-	}
-	contents = strings.TrimSpace(contents)
-	if contents == "max" {
-		return math.MaxInt64, nil
-	}
-
-	res, err := strconv.ParseInt(contents, 10, 64)
-	if err != nil {
-		return res, fmt.Errorf("unable to parse %q as a int from Cgroup file %q", contents, path+"/"+file)
-	}
-	return res, nil
-}
-
-// GetCgroupParamString reads a string from the specified cgroup file.
-func GetCgroupParamString(path, file string) (string, error) {
-	contents, err := ReadFile(path, file)
-	if err != nil {
-		return "", err
-	}
-
-	return strings.TrimSpace(contents), nil
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go
index 35ce2c1c2..92606525b 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go
@@ -15,7 +15,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/opencontainers/runc/libcontainer/cgroups/fscommon"
 	"github.com/opencontainers/runc/libcontainer/userns"
 	"github.com/sirupsen/logrus"
 	"golang.org/x/sys/unix"
@@ -88,7 +87,7 @@ func GetAllSubsystems() ([]string, error) {
 		// - freezer: implemented in kernel 5.2
 		// We assume these are always available, as it is hard to detect availability.
 		pseudo := []string{"devices", "freezer"}
-		data, err := fscommon.ReadFile("/sys/fs/cgroup", "cgroup.controllers")
+		data, err := ReadFile("/sys/fs/cgroup", "cgroup.controllers")
 		if err != nil {
 			return nil, err
 		}
@@ -267,7 +266,6 @@ func RemovePaths(paths map[string]string) (err error) {
 				case retries - 1:
 					logrus.WithError(err).Error("Failed to remove cgroup")
 				}
-
 			}
 			_, err := os.Stat(p)
 			// We need this strange way of checking cgroups existence because
@@ -376,7 +374,7 @@ func WriteCgroupProc(dir string, pid int) error {
 		return nil
 	}
 
-	file, err := fscommon.OpenFile(dir, CgroupProcesses, os.O_WRONLY)
+	file, err := OpenFile(dir, CgroupProcesses, os.O_WRONLY)
 	if err != nil {
 		return fmt.Errorf("failed to write %v to %v: %v", pid, CgroupProcesses, err)
 	}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
index 87d0da842..a1e7f0afd 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
@@ -13,12 +13,12 @@ const (
 	Thawed    FreezerState = "THAWED"
 )
 
+// Cgroup holds properties of a cgroup on Linux.
 type Cgroup struct {
-	// Deprecated, use Path instead
+	// Name specifies the name of the cgroup
 	Name string `json:"name,omitempty"`
 
-	// name of parent of cgroup or slice
-	// Deprecated, use Path instead
+	// Parent specifies the name of parent of cgroup or slice
 	Parent string `json:"parent,omitempty"`
 
 	// Path specifies the path to cgroups that are created and/or joined by the container.
@@ -127,8 +127,8 @@ type Resources struct {
 
 	// SkipDevices allows to skip configuring device permissions.
 	// Used by e.g. kubelet while creating a parent cgroup (kubepods)
-	// common for many containers.
+	// common for many containers, and by runc update.
 	//
 	// NOTE it is impossible to start a container which has this flag set.
-	SkipDevices bool `json:"skip_devices"`
+	SkipDevices bool `json:"-"`
 }
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_unsupported.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_unsupported.go
index c0c23d700..2a519f582 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_unsupported.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_unsupported.go
@@ -2,7 +2,7 @@
 
 package configs
 
+// Cgroup holds properties of a cgroup on Linux
 // TODO Windows: This can ultimately be entirely factored out on Windows as
 // cgroups are a Unix-specific construct.
-type Cgroup struct {
-}
+type Cgroup struct{}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/config.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/config.go
index 14a096038..4281593f0 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/config.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/config.go
@@ -208,9 +208,11 @@ type Config struct {
 	RootlessCgroups bool `json:"rootless_cgroups,omitempty"`
 }
 
-type HookName string
-type HookList []Hook
-type Hooks map[HookName]HookList
+type (
+	HookName string
+	HookList []Hook
+	Hooks    map[HookName]HookList
+)
 
 const (
 	// Prestart commands are executed after the container namespaces are created,
@@ -387,7 +389,7 @@ func (c Command) Run(s *specs.State) error {
 	case err := <-errC:
 		return err
 	case <-timerCh:
-		cmd.Process.Kill()
+		_ = cmd.Process.Kill()
 		<-errC
 		return fmt.Errorf("hook ran past specified timeout of %.1fs", c.Timeout.Seconds())
 	}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/devices.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/devices.go
deleted file mode 100644
index b9e3664ce..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/devices.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package configs
-
-import "github.com/opencontainers/runc/libcontainer/devices"
-
-type (
-	// Deprecated: use libcontainer/devices.Device
-	Device = devices.Device
-
-	// Deprecated: use libcontainer/devices.Rule
-	DeviceRule = devices.Rule
-
-	// Deprecated: use libcontainer/devices.Type
-	DeviceType = devices.Type
-
-	// Deprecated: use libcontainer/devices.Permissions
-	DevicePermissions = devices.Permissions
-)
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go
index 670757ddb..a75ff10ec 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go
@@ -3,7 +3,7 @@ package configs
 const (
 	// EXT_COPYUP is a directive to copy up the contents of a directory when
 	// a tmpfs is mounted over it.
-	EXT_COPYUP = 1 << iota
+	EXT_COPYUP = 1 << iota //nolint:golint // ignore "don't use ALL_CAPS" warning
 )
 
 type Mount struct {
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_unsupported.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_unsupported.go
index 19bf713de..cc76e2f58 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_unsupported.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_unsupported.go
@@ -4,5 +4,4 @@ package configs
 
 // Namespace defines configuration for each namespace.  It specifies an
 // alternate path that is able to be joined via setns.
-type Namespace struct {
-}
+type Namespace struct{}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/network.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/network.go
index ccdb228e1..c44c3ea71 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/configs/network.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/network.go
@@ -50,7 +50,10 @@ type Network struct {
 	HairpinMode bool `json:"hairpin_mode"`
 }
 
-// Routes can be specified to create entries in the route table as the container is started
+// Route defines a routing table entry.
+//
+// Routes can be specified to create entries in the routing table as the container
+// is started.
 //
 // All of destination, source, and gateway should be either IPv4 or IPv6.
 // One of the three options must be present, and omitted entries will use their
@@ -58,15 +61,15 @@ type Network struct {
 // gateway to 1.2.3.4 and the interface to eth0 will set up a standard
 // destination of 0.0.0.0(or *) when viewed in the route table.
 type Route struct {
-	// Sets the destination and mask, should be a CIDR.  Accepts IPv4 and IPv6
+	// Destination specifies the destination IP address and mask in the CIDR form.
 	Destination string `json:"destination"`
 
-	// Sets the source and mask, should be a CIDR.  Accepts IPv4 and IPv6
+	// Source specifies the source IP address and mask in the CIDR form.
 	Source string `json:"source"`
 
-	// Sets the gateway.  Accepts IPv4 and IPv6
+	// Gateway specifies the gateway IP address.
 	Gateway string `json:"gateway"`
 
-	// The device to set this route up for, for example: eth0
+	// InterfaceName specifies the device to set this route up for, for example eth0.
 	InterfaceName string `json:"interface_name"`
 }
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/devices/device_unix.go b/vendor/github.com/opencontainers/runc/libcontainer/devices/device_unix.go
index acb816998..6d5b3d09d 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/devices/device_unix.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/devices/device_unix.go
@@ -11,10 +11,8 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-var (
-	// ErrNotADevice denotes that a file is not a valid linux device.
-	ErrNotADevice = errors.New("not a device node")
-)
+// ErrNotADevice denotes that a file is not a valid linux device.
+var ErrNotADevice = errors.New("not a device node")
 
 // Testing dependencies
 var (
@@ -29,8 +27,9 @@ func mkDev(d *Rule) (uint64, error) {
 	return unix.Mkdev(uint32(d.Major), uint32(d.Minor)), nil
 }
 
-// Given the path to a device and its cgroup_permissions(which cannot be easily queried) look up the
-// information about a linux device and return that information as a Device struct.
+// DeviceFromPath takes the path to a device and its cgroup_permissions (which
+// cannot be easily queried) to look up the information about a linux device
+// and returns that information as a Device struct.
 func DeviceFromPath(path, permissions string) (*Device, error) {
 	var stat unix.Stat_t
 	err := unixLstat(path, &stat)
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/linux.go b/vendor/github.com/opencontainers/runc/libcontainer/system/linux.go
deleted file mode 100644
index 4379a2070..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/system/linux.go
+++ /dev/null
@@ -1,101 +0,0 @@
-// +build linux
-
-package system
-
-import (
-	"os/exec"
-	"unsafe"
-
-	"golang.org/x/sys/unix"
-)
-
-type ParentDeathSignal int
-
-func (p ParentDeathSignal) Restore() error {
-	if p == 0 {
-		return nil
-	}
-	current, err := GetParentDeathSignal()
-	if err != nil {
-		return err
-	}
-	if p == current {
-		return nil
-	}
-	return p.Set()
-}
-
-func (p ParentDeathSignal) Set() error {
-	return SetParentDeathSignal(uintptr(p))
-}
-
-func Execv(cmd string, args []string, env []string) error {
-	name, err := exec.LookPath(cmd)
-	if err != nil {
-		return err
-	}
-
-	return unix.Exec(name, args, env)
-}
-
-func Prlimit(pid, resource int, limit unix.Rlimit) error {
-	_, _, err := unix.RawSyscall6(unix.SYS_PRLIMIT64, uintptr(pid), uintptr(resource), uintptr(unsafe.Pointer(&limit)), uintptr(unsafe.Pointer(&limit)), 0, 0)
-	if err != 0 {
-		return err
-	}
-	return nil
-}
-
-func SetParentDeathSignal(sig uintptr) error {
-	if err := unix.Prctl(unix.PR_SET_PDEATHSIG, sig, 0, 0, 0); err != nil {
-		return err
-	}
-	return nil
-}
-
-func GetParentDeathSignal() (ParentDeathSignal, error) {
-	var sig int
-	if err := unix.Prctl(unix.PR_GET_PDEATHSIG, uintptr(unsafe.Pointer(&sig)), 0, 0, 0); err != nil {
-		return -1, err
-	}
-	return ParentDeathSignal(sig), nil
-}
-
-func SetKeepCaps() error {
-	if err := unix.Prctl(unix.PR_SET_KEEPCAPS, 1, 0, 0, 0); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func ClearKeepCaps() error {
-	if err := unix.Prctl(unix.PR_SET_KEEPCAPS, 0, 0, 0, 0); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func Setctty() error {
-	if err := unix.IoctlSetInt(0, unix.TIOCSCTTY, 0); err != nil {
-		return err
-	}
-	return nil
-}
-
-// SetSubreaper sets the value i as the subreaper setting for the calling process
-func SetSubreaper(i int) error {
-	return unix.Prctl(unix.PR_SET_CHILD_SUBREAPER, uintptr(i), 0, 0, 0)
-}
-
-// GetSubreaper returns the subreaper setting for the calling process
-func GetSubreaper() (int, error) {
-	var i uintptr
-
-	if err := unix.Prctl(unix.PR_GET_CHILD_SUBREAPER, uintptr(unsafe.Pointer(&i)), 0, 0, 0); err != nil {
-		return -1, err
-	}
-
-	return int(i), nil
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/proc.go b/vendor/github.com/opencontainers/runc/libcontainer/system/proc.go
deleted file mode 100644
index b73cf70b4..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/system/proc.go
+++ /dev/null
@@ -1,103 +0,0 @@
-package system
-
-import (
-	"fmt"
-	"io/ioutil"
-	"path/filepath"
-	"strconv"
-	"strings"
-)
-
-// State is the status of a process.
-type State rune
-
-const ( // Only values for Linux 3.14 and later are listed here
-	Dead        State = 'X'
-	DiskSleep   State = 'D'
-	Running     State = 'R'
-	Sleeping    State = 'S'
-	Stopped     State = 'T'
-	TracingStop State = 't'
-	Zombie      State = 'Z'
-)
-
-// String forms of the state from proc(5)'s documentation for
-// /proc/[pid]/status' "State" field.
-func (s State) String() string {
-	switch s {
-	case Dead:
-		return "dead"
-	case DiskSleep:
-		return "disk sleep"
-	case Running:
-		return "running"
-	case Sleeping:
-		return "sleeping"
-	case Stopped:
-		return "stopped"
-	case TracingStop:
-		return "tracing stop"
-	case Zombie:
-		return "zombie"
-	default:
-		return fmt.Sprintf("unknown (%c)", s)
-	}
-}
-
-// Stat_t represents the information from /proc/[pid]/stat, as
-// described in proc(5) with names based on the /proc/[pid]/status
-// fields.
-type Stat_t struct {
-	// PID is the process ID.
-	PID uint
-
-	// Name is the command run by the process.
-	Name string
-
-	// State is the state of the process.
-	State State
-
-	// StartTime is the number of clock ticks after system boot (since
-	// Linux 2.6).
-	StartTime uint64
-}
-
-// Stat returns a Stat_t instance for the specified process.
-func Stat(pid int) (stat Stat_t, err error) {
-	bytes, err := ioutil.ReadFile(filepath.Join("/proc", strconv.Itoa(pid), "stat"))
-	if err != nil {
-		return stat, err
-	}
-	return parseStat(string(bytes))
-}
-
-func parseStat(data string) (stat Stat_t, err error) {
-	// From proc(5), field 2 could contain space and is inside `(` and `)`.
-	// The following is an example:
-	// 89653 (gunicorn: maste) S 89630 89653 89653 0 -1 4194560 29689 28896 0 3 146 32 76 19 20 0 1 0 2971844 52965376 3920 18446744073709551615 1 1 0 0 0 0 0 16781312 137447943 0 0 0 17 1 0 0 0 0 0 0 0 0 0 0 0 0 0
-	i := strings.LastIndex(data, ")")
-	if i <= 2 || i >= len(data)-1 {
-		return stat, fmt.Errorf("invalid stat data: %q", data)
-	}
-
-	parts := strings.SplitN(data[:i], "(", 2)
-	if len(parts) != 2 {
-		return stat, fmt.Errorf("invalid stat data: %q", data)
-	}
-
-	stat.Name = parts[1]
-	_, err = fmt.Sscanf(parts[0], "%d", &stat.PID)
-	if err != nil {
-		return stat, err
-	}
-
-	// parts indexes should be offset by 3 from the field number given
-	// proc(5), because parts is zero-indexed and we've removed fields
-	// one (PID) and two (Name) in the paren-split.
-	parts = strings.Split(data[i+2:], " ")
-	var state int
-	fmt.Sscanf(parts[3-3], "%c", &state)
-	stat.State = State(state)
-	fmt.Sscanf(parts[22-3], "%d", &stat.StartTime)
-	return stat, nil
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_32.go b/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_32.go
deleted file mode 100644
index c5ca5d862..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_32.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// +build linux
-// +build 386 arm
-
-package system
-
-import (
-	"golang.org/x/sys/unix"
-)
-
-// Setuid sets the uid of the calling thread to the specified uid.
-func Setuid(uid int) (err error) {
-	_, _, e1 := unix.RawSyscall(unix.SYS_SETUID32, uintptr(uid), 0, 0)
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
-// Setgid sets the gid of the calling thread to the specified gid.
-func Setgid(gid int) (err error) {
-	_, _, e1 := unix.RawSyscall(unix.SYS_SETGID32, uintptr(gid), 0, 0)
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go b/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go
deleted file mode 100644
index e05e30adc..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// +build linux
-// +build arm64 amd64 mips mipsle mips64 mips64le ppc ppc64 ppc64le riscv64 s390x
-
-package system
-
-import (
-	"golang.org/x/sys/unix"
-)
-
-// Setuid sets the uid of the calling thread to the specified uid.
-func Setuid(uid int) (err error) {
-	_, _, e1 := unix.RawSyscall(unix.SYS_SETUID, uintptr(uid), 0, 0)
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
-// Setgid sets the gid of the calling thread to the specified gid.
-func Setgid(gid int) (err error) {
-	_, _, e1 := unix.RawSyscall(unix.SYS_SETGID, uintptr(gid), 0, 0)
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/userns_deprecated.go b/vendor/github.com/opencontainers/runc/libcontainer/system/userns_deprecated.go
deleted file mode 100644
index 2de3462a5..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/system/userns_deprecated.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package system
-
-import "github.com/opencontainers/runc/libcontainer/userns"
-
-var RunningInUserNS = userns.RunningInUserNS
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go
deleted file mode 100644
index a6823fc99..000000000
--- a/vendor/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package system
-
-import "golang.org/x/sys/unix"
-
-// Returns a []byte slice if the xattr is set and nil otherwise
-// Requires path and its attribute as arguments
-func Lgetxattr(path string, attr string) ([]byte, error) {
-	var sz int
-	// Start with a 128 length byte array
-	dest := make([]byte, 128)
-	sz, errno := unix.Lgetxattr(path, attr, dest)
-
-	switch {
-	case errno == unix.ENODATA:
-		return nil, errno
-	case errno == unix.ENOTSUP:
-		return nil, errno
-	case errno == unix.ERANGE:
-		// 128 byte array might just not be good enough,
-		// A dummy buffer is used to get the real size
-		// of the xattrs on disk
-		sz, errno = unix.Lgetxattr(path, attr, []byte{})
-		if errno != nil {
-			return nil, errno
-		}
-		dest = make([]byte, sz)
-		sz, errno = unix.Lgetxattr(path, attr, dest)
-		if errno != nil {
-			return nil, errno
-		}
-	case errno != nil:
-		return nil, errno
-	}
-	return dest[:sz], nil
-}
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/user/user.go b/vendor/github.com/opencontainers/runc/libcontainer/user/user.go
index 68da4400d..d2c16f7fd 100644
--- a/vendor/github.com/opencontainers/runc/libcontainer/user/user.go
+++ b/vendor/github.com/opencontainers/runc/libcontainer/user/user.go
@@ -11,19 +11,17 @@ import (
 )
 
 const (
-	minId = 0
-	maxId = 1<<31 - 1 //for 32-bit systems compatibility
+	minID = 0
+	maxID = 1<<31 - 1 // for 32-bit systems compatibility
 )
 
 var (
-	// The current operating system does not provide the required data for user lookups.
-	ErrUnsupported = errors.New("user lookup: operating system does not provide passwd-formatted data")
-
-	// No matching entries found in file.
+	// ErrNoPasswdEntries is returned if no matching entries were found in /etc/group.
 	ErrNoPasswdEntries = errors.New("no matching entries in passwd file")
-	ErrNoGroupEntries  = errors.New("no matching entries in group file")
-
-	ErrRange = fmt.Errorf("uids and gids must be in range %d-%d", minId, maxId)
+	// ErrNoGroupEntries is returned if no matching entries were found in /etc/passwd.
+	ErrNoGroupEntries = errors.New("no matching entries in group file")
+	// ErrRange is returned if a UID or GID is outside of the valid range.
+	ErrRange = fmt.Errorf("uids and gids must be in range %d-%d", minID, maxID)
 )
 
 type User struct {
@@ -328,7 +326,7 @@ func GetExecUser(userSpec string, defaults *ExecUser, passwd, group io.Reader) (
 		user.Uid = uidArg
 
 		// Must be inside valid uid range.
-		if user.Uid < minId || user.Uid > maxId {
+		if user.Uid < minID || user.Uid > maxID {
 			return nil, ErrRange
 		}
 
@@ -377,7 +375,7 @@ func GetExecUser(userSpec string, defaults *ExecUser, passwd, group io.Reader) (
 				user.Gid = gidArg
 
 				// Must be inside valid gid range.
-				if user.Gid < minId || user.Gid > maxId {
+				if user.Gid < minID || user.Gid > maxID {
 					return nil, ErrRange
 				}
 
@@ -401,7 +399,7 @@ func GetExecUser(userSpec string, defaults *ExecUser, passwd, group io.Reader) (
 // or the given group data is nil, the id will be returned as-is
 // provided it is in the legal range.
 func GetAdditionalGroups(additionalGroups []string, group io.Reader) ([]int, error) {
-	var groups = []Group{}
+	groups := []Group{}
 	if group != nil {
 		var err error
 		groups, err = ParseGroupFilter(group, func(g Group) bool {
@@ -439,7 +437,7 @@ func GetAdditionalGroups(additionalGroups []string, group io.Reader) ([]int, err
 				return nil, fmt.Errorf("Unable to find group %s", ag)
 			}
 			// Ensure gid is inside gid range.
-			if gid < minId || gid > maxId {
+			if gid < minID || gid > maxID {
 				return nil, ErrRange
 			}
 			gidMap[int(gid)] = struct{}{}