Merge pull request #7480 from openSUSE/containers-common

Switch to containers/common for seccomp

7 files changed, 218 insertions, 100 deletions

diff --git a/vendor/github.com/seccomp/libseccomp-golang/.travis.yml b/vendor/github.com/seccomp/libseccomp-golang/.travis.yml
new file mode 100644
index 000000000..feef144d1
--- /dev/null
+++ b/vendor/github.com/seccomp/libseccomp-golang/.travis.yml
@@ -0,0 +1,37 @@
+# Travis CI configuration for libseccomp-golang
+
+# https://docs.travis-ci.com/user/reference/bionic
+# https://wiki.ubuntu.com/Releases
+
+dist: bionic
+sudo: false
+
+notifications:
+  email:
+    on_success: always
+    on_failure: always
+
+arch:
+  - amd64
+
+os:
+  - linux
+
+language: go
+
+addons:
+  apt:
+    packages:
+      - build-essential
+      # TODO: use the main libseccomp git repo instead of a distro package
+      - libseccomp2
+      - libseccomp-dev
+
+install:
+  - go get -u golang.org/x/lint/golint
+
+# run all of the tests independently, fail if any of the tests error
+script:
+  - make check-syntax
+  - make lint
+  - make check
diff --git a/vendor/github.com/seccomp/libseccomp-golang/SUBMITTING_PATCHES b/vendor/github.com/seccomp/libseccomp-golang/CONTRIBUTING.md
index 744e5cd64..d6862cbd5 100644
--- a/vendor/github.com/seccomp/libseccomp-golang/SUBMITTING_PATCHES
+++ b/vendor/github.com/seccomp/libseccomp-golang/CONTRIBUTING.md
@@ -8,11 +8,11 @@ to the rules described here, but by following the instructions below you
 should have a much easier time getting your work merged with the upstream
 project.
 
-* Test Your Code
+## Test Your Code Using Existing Tests
 
-There are two possible tests you can run to verify your code.  The first test
-is used to check the formatting and coding style of your changes, you can run
-the test with the following command:
+There are two possible tests you can run to verify your code.  The first
+test is used to check the formatting and coding style of your changes, you
+can run the test with the following command:
 
 	# make check-syntax
 
@@ -27,30 +27,13 @@ with the following command:
 
 ... if there are any faults or errors they will be displayed.
 
-* Generate the Patch(es)
+## Add New Tests for New Functionality
 
-Depending on how you decided to work with the libseccomp code base and what
-tools you are using there are different ways to generate your patch(es).
-However, regardless of what tools you use, you should always generate your
-patches using the "unified" diff/patch format and the patches should always
-apply to the libseccomp source tree using the following command from the top
-directory of the libseccomp sources:
+Any submissions which add functionality, or significantly change the existing
+code, should include additional tests to verify the proper operation of the
+proposed changes.
 
-	# patch -p1 < changes.patch
-
-If you are not using git, stacked git (stgit), or some other tool which can
-generate patch files for you automatically, you may find the following command
-helpful in generating patches, where "libseccomp.orig/" is the unmodified
-source code directory and "libseccomp/" is the source code directory with your
-changes:
-
-	# diff -purN libseccomp-golang.orig/ libseccomp-golang/
-
-When in doubt please generate your patch and try applying it to an unmodified
-copy of the libseccomp sources; if it fails for you, it will fail for the rest
-of us.
-
-* Explain Your Work
+## Explain Your Work
 
 At the top of every patch you should include a description of the problem you
 are trying to solve, how you solved it, and why you chose the solution you
@@ -59,7 +42,7 @@ if you can describe/include a reproducer for the problem in the description as
 well as instructions on how to test for the bug and verify that it has been
 fixed.
 
-* Sign Your Work
+## Sign Your Work
 
 The sign-off is a simple line at the end of the patch description, which
 certifies that you wrote it or otherwise have the right to pass it on as an
@@ -97,16 +80,49 @@ your real name, saying:
 
 	Signed-off-by: Random J Developer <random@developer.example.org>
 
-* Email Your Patch(es)
+You can add this to your commit description in `git` with `git commit -s`
+
+## Post Your Patches Upstream
+
+The libseccomp project accepts both GitHub pull requests and patches sent via
+the mailing list.  GitHub pull requests are preferred.  This sections below
+explain how to contribute via either method. Please read each step and perform
+all steps that apply to your chosen contribution method.
+
+### Submitting via Email
+
+Depending on how you decided to work with the libseccomp code base and what
+tools you are using there are different ways to generate your patch(es).
+However, regardless of what tools you use, you should always generate your
+patches using the "unified" diff/patch format and the patches should always
+apply to the libseccomp source tree using the following command from the top
+directory of the libseccomp sources:
+
+	# patch -p1 < changes.patch
+
+If you are not using git, stacked git (stgit), or some other tool which can
+generate patch files for you automatically, you may find the following command
+helpful in generating patches, where "libseccomp.orig/" is the unmodified
+source code directory and "libseccomp/" is the source code directory with your
+changes:
+
+	# diff -purN libseccomp.orig/ libseccomp/
+
+When in doubt please generate your patch and try applying it to an unmodified
+copy of the libseccomp sources; if it fails for you, it will fail for the rest
+of us.
 
 Finally, you will need to email your patches to the mailing list so they can
-be reviewed and potentially merged into the main libseccomp-golang repository.
-When sending patches to the mailing list it is important to send your email in
-text form, no HTML mail please, and ensure that your email client does not
-mangle your patches.  It should be possible to save your raw email to disk and
-apply it directly to the libseccomp source code; if that fails then you likely
-have a problem with your email client.  When in doubt try a test first by
-sending yourself an email with your patch and attempting to apply the emailed
-patch to the libseccomp-golang repository; if it fails for you, it will fail
-for the rest of us trying to test your patch and include it in the main
-libseccomp-golang repository.
+be reviewed and potentially merged into the main libseccomp repository.  When
+sending patches to the mailing list it is important to send your email in text
+form, no HTML mail please, and ensure that your email client does not mangle
+your patches.  It should be possible to save your raw email to disk and apply
+it directly to the libseccomp source code; if that fails then you likely have
+a problem with your email client.  When in doubt try a test first by sending
+yourself an email with your patch and attempting to apply the emailed patch to
+the libseccomp repository; if it fails for you, it will fail for the rest of
+us trying to test your patch and include it in the main libseccomp repository.
+
+### Submitting via GitHub
+
+See [this guide](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request) if you've never done this before.
diff --git a/vendor/github.com/seccomp/libseccomp-golang/README b/vendor/github.com/seccomp/libseccomp-golang/README.md
index 66839a466..27423f2d9 100644
--- a/vendor/github.com/seccomp/libseccomp-golang/README
+++ b/vendor/github.com/seccomp/libseccomp-golang/README.md
@@ -1,7 +1,8 @@
-libseccomp-golang: Go Language Bindings for the libseccomp Project
+![libseccomp Golang Bindings](https://github.com/seccomp/libseccomp-artwork/blob/main/logo/libseccomp-color_text.png)
 ===============================================================================
 https://github.com/seccomp/libseccomp-golang
-https://github.com/seccomp/libseccomp
+
+[![Build Status](https://img.shields.io/travis/seccomp/libseccomp-golang/master.svg)](https://travis-ci.org/seccomp/libseccomp-golang)
 
 The libseccomp library provides an easy to use, platform independent, interface
 to the Linux Kernel's syscall filtering mechanism.  The libseccomp API is
@@ -12,40 +13,39 @@ be familiar to, and easily adopted by, application developers.
 The libseccomp-golang library provides a Go based interface to the libseccomp
 library.
 
-* Online Resources
+## Online Resources
 
 The library source repository currently lives on GitHub at the following URLs:
 
-	-> https://github.com/seccomp/libseccomp-golang
-	-> https://github.com/seccomp/libseccomp
+* https://github.com/seccomp/libseccomp-golang
+* https://github.com/seccomp/libseccomp
 
 The project mailing list is currently hosted on Google Groups at the URL below,
 please note that a Google account is not required to subscribe to the mailing
 list.
 
-	-> https://groups.google.com/d/forum/libseccomp
+* https://groups.google.com/d/forum/libseccomp
 
 Documentation is also available at:
 
-	-> https://godoc.org/github.com/seccomp/libseccomp-golang
+* https://godoc.org/github.com/seccomp/libseccomp-golang
 
-* Installing the package
+## Installing the package
 
 The libseccomp-golang bindings require at least Go v1.2.1 and GCC v4.8.4;
 earlier versions may yield unpredictable results.  If you meet these
 requirements you can install this package using the command below:
 
-	$ go get github.com/seccomp/libseccomp-golang
+	# go get github.com/seccomp/libseccomp-golang
 
-* Testing the Library
+## Testing the Library
 
 A number of tests and lint related recipes are provided in the Makefile, if
 you want to run the standard regression tests, you can excute the following:
 
-	$ make check
+	# make check
 
 In order to execute the 'make lint' recipe the 'golint' tool is needed, it
 can be found at:
 
-	-> https://github.com/golang/lint
-
+* https://github.com/golang/lint
diff --git a/vendor/github.com/seccomp/libseccomp-golang/go.mod b/vendor/github.com/seccomp/libseccomp-golang/go.mod
new file mode 100644
index 000000000..6384b3769
--- /dev/null
+++ b/vendor/github.com/seccomp/libseccomp-golang/go.mod
@@ -0,0 +1,3 @@
+module github.com/seccomp/libseccomp-golang
+
+go 1.14
diff --git a/vendor/github.com/seccomp/libseccomp-golang/go.sum b/vendor/github.com/seccomp/libseccomp-golang/go.sum
new file mode 100644
index 000000000..72ae16111
--- /dev/null
+++ b/vendor/github.com/seccomp/libseccomp-golang/go.sum
@@ -0,0 +1,23 @@
+github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k=
+golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7 h1:EBZoQjiKKPaLbPrbpssUfuHtwM6KV/vb4U85g/cigFY=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200313205530-4303120df7d8 h1:gkI/wGGwpcG5W4hLCzZNGxA4wzWBGGDStRI1MrjDl2Q=
+golang.org/x/tools v0.0.0-20200313205530-4303120df7d8/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/vendor/github.com/seccomp/libseccomp-golang/seccomp.go b/vendor/github.com/seccomp/libseccomp-golang/seccomp.go
index a3cc53822..e489b9ebd 100644
--- a/vendor/github.com/seccomp/libseccomp-golang/seccomp.go
+++ b/vendor/github.com/seccomp/libseccomp-golang/seccomp.go
@@ -125,7 +125,8 @@ const (
 	// ActInvalid is a placeholder to ensure uninitialized ScmpAction
 	// variables are invalid
 	ActInvalid ScmpAction = iota
-	// ActKill kills the process
+	// ActKill kills the thread that violated the rule. It is the same as ActKillThread.
+	// All other threads from the same thread group will continue to execute.
 	ActKill ScmpAction = iota
 	// ActTrap throws SIGSYS
 	ActTrap ScmpAction = iota
@@ -141,6 +142,14 @@ const (
 	// This action is only usable when libseccomp API level 3 or higher is
 	// supported.
 	ActLog ScmpAction = iota
+	// ActKillThread kills the thread that violated the rule. It is the same as ActKill.
+	// All other threads from the same thread group will continue to execute.
+	ActKillThread ScmpAction = iota
+	// ActKillProcess kills the process that violated the rule.
+	// All threads in the thread group are also terminated.
+	// This action is only usable when libseccomp API level 3 or higher is
+	// supported.
+	ActKillProcess ScmpAction = iota
 )
 
 const (
@@ -290,8 +299,10 @@ func (a ScmpCompareOp) String() string {
 // String returns a string representation of a seccomp match action
 func (a ScmpAction) String() string {
 	switch a & 0xFFFF {
-	case ActKill:
-		return "Action: Kill Process"
+	case ActKill, ActKillThread:
+		return "Action: Kill thread"
+	case ActKillProcess:
+		return "Action: Kill process"
 	case ActTrap:
 		return "Action: Send SIGSYS"
 	case ActErrno:
@@ -334,23 +345,23 @@ func GetLibraryVersion() (major, minor, micro uint) {
 	return verMajor, verMinor, verMicro
 }
 
-// GetApi returns the API level supported by the system.
+// GetAPI returns the API level supported by the system.
 // Returns a positive int containing the API level, or 0 with an error if the
 // API level could not be detected due to the library being older than v2.4.0.
 // See the seccomp_api_get(3) man page for details on available API levels:
 // https://github.com/seccomp/libseccomp/blob/master/doc/man/man3/seccomp_api_get.3
-func GetApi() (uint, error) {
-	return getApi()
+func GetAPI() (uint, error) {
+	return getAPI()
 }
 
-// SetApi forcibly sets the API level. General use of this function is strongly
+// SetAPI forcibly sets the API level. General use of this function is strongly
 // discouraged.
 // Returns an error if the API level could not be set. An error is always
 // returned if the library is older than v2.4.0
 // See the seccomp_api_get(3) man page for details on available API levels:
 // https://github.com/seccomp/libseccomp/blob/master/doc/man/man3/seccomp_api_get.3
-func SetApi(api uint) error {
-	return setApi(api)
+func SetAPI(api uint) error {
+	return setAPI(api)
 }
 
 // Syscall functions
@@ -552,9 +563,8 @@ func (f *ScmpFilter) Reset(defaultAction ScmpAction) error {
 		return errBadFilter
 	}
 
-	retCode := C.seccomp_reset(f.filterCtx, defaultAction.toNative())
-	if retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+	if retCode := C.seccomp_reset(f.filterCtx, defaultAction.toNative()); retCode != 0 {
+		return errRc(retCode)
 	}
 
 	return nil
@@ -600,11 +610,12 @@ func (f *ScmpFilter) Merge(src *ScmpFilter) error {
 	}
 
 	// Merge the filters
-	retCode := C.seccomp_merge(f.filterCtx, src.filterCtx)
-	if syscall.Errno(-1*retCode) == syscall.EINVAL {
-		return fmt.Errorf("filters could not be merged due to a mismatch in attributes or invalid filter")
-	} else if retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+	if retCode := C.seccomp_merge(f.filterCtx, src.filterCtx); retCode != 0 {
+		e := errRc(retCode)
+		if e == syscall.EINVAL {
+			return fmt.Errorf("filters could not be merged due to a mismatch in attributes or invalid filter")
+		}
+		return e
 	}
 
 	src.valid = false
@@ -633,12 +644,13 @@ func (f *ScmpFilter) IsArchPresent(arch ScmpArch) (bool, error) {
 		return false, errBadFilter
 	}
 
-	retCode := C.seccomp_arch_exist(f.filterCtx, arch.toNative())
-	if syscall.Errno(-1*retCode) == syscall.EEXIST {
-		// -EEXIST is "arch not present"
-		return false, nil
-	} else if retCode != 0 {
-		return false, syscall.Errno(-1 * retCode)
+	if retCode := C.seccomp_arch_exist(f.filterCtx, arch.toNative()); retCode != 0 {
+		e := errRc(retCode)
+		if e == syscall.EEXIST {
+			// -EEXIST is "arch not present"
+			return false, nil
+		}
+		return false, e
 	}
 
 	return true, nil
@@ -661,9 +673,10 @@ func (f *ScmpFilter) AddArch(arch ScmpArch) error {
 	// Libseccomp returns -EEXIST if the specified architecture is already
 	// present. Succeed silently in this case, as it's not fatal, and the
 	// architecture is present already.
-	retCode := C.seccomp_arch_add(f.filterCtx, arch.toNative())
-	if retCode != 0 && syscall.Errno(-1*retCode) != syscall.EEXIST {
-		return syscall.Errno(-1 * retCode)
+	if retCode := C.seccomp_arch_add(f.filterCtx, arch.toNative()); retCode != 0 {
+		if e := errRc(retCode); e != syscall.EEXIST {
+			return e
+		}
 	}
 
 	return nil
@@ -686,9 +699,10 @@ func (f *ScmpFilter) RemoveArch(arch ScmpArch) error {
 	// Similar to AddArch, -EEXIST is returned if the arch is not present
 	// Succeed silently in that case, this is not fatal and the architecture
 	// is not present in the filter after RemoveArch
-	retCode := C.seccomp_arch_remove(f.filterCtx, arch.toNative())
-	if retCode != 0 && syscall.Errno(-1*retCode) != syscall.EEXIST {
-		return syscall.Errno(-1 * retCode)
+	if retCode := C.seccomp_arch_remove(f.filterCtx, arch.toNative()); retCode != 0 {
+		if e := errRc(retCode); e != syscall.EEXIST {
+			return e
+		}
 	}
 
 	return nil
@@ -705,7 +719,7 @@ func (f *ScmpFilter) Load() error {
 	}
 
 	if retCode := C.seccomp_load(f.filterCtx); retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+		return errRc(retCode)
 	}
 
 	return nil
@@ -764,7 +778,7 @@ func (f *ScmpFilter) GetNoNewPrivsBit() (bool, error) {
 func (f *ScmpFilter) GetLogBit() (bool, error) {
 	log, err := f.getFilterAttr(filterAttrLog)
 	if err != nil {
-		api, apiErr := getApi()
+		api, apiErr := getAPI()
 		if (apiErr != nil && api == 0) || (apiErr == nil && api < 3) {
 			return false, fmt.Errorf("getting the log bit is only supported in libseccomp 2.4.0 and newer with API level 3 or higher")
 		}
@@ -818,7 +832,7 @@ func (f *ScmpFilter) SetLogBit(state bool) error {
 
 	err := f.setFilterAttr(filterAttrLog, toSet)
 	if err != nil {
-		api, apiErr := getApi()
+		api, apiErr := getAPI()
 		if (apiErr != nil && api == 0) || (apiErr == nil && api < 3) {
 			return fmt.Errorf("setting the log bit is only supported in libseccomp 2.4.0 and newer with API level 3 or higher")
 		}
@@ -842,7 +856,7 @@ func (f *ScmpFilter) SetSyscallPriority(call ScmpSyscall, priority uint8) error
 
 	if retCode := C.seccomp_syscall_priority(f.filterCtx, C.int(call),
 		C.uint8_t(priority)); retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+		return errRc(retCode)
 	}
 
 	return nil
@@ -907,7 +921,7 @@ func (f *ScmpFilter) ExportPFC(file *os.File) error {
 	}
 
 	if retCode := C.seccomp_export_pfc(f.filterCtx, C.int(fd)); retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+		return errRc(retCode)
 	}
 
 	return nil
@@ -928,7 +942,7 @@ func (f *ScmpFilter) ExportBPF(file *os.File) error {
 	}
 
 	if retCode := C.seccomp_export_bpf(f.filterCtx, C.int(fd)); retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+		return errRc(retCode)
 	}
 
 	return nil
diff --git a/vendor/github.com/seccomp/libseccomp-golang/seccomp_internal.go b/vendor/github.com/seccomp/libseccomp-golang/seccomp_internal.go
index 4e36b27ae..0982e930f 100644
--- a/vendor/github.com/seccomp/libseccomp-golang/seccomp_internal.go
+++ b/vendor/github.com/seccomp/libseccomp-golang/seccomp_internal.go
@@ -72,7 +72,17 @@ const uint32_t C_ARCH_S390X        = SCMP_ARCH_S390X;
 #define SCMP_ACT_LOG 0x7ffc0000U
 #endif
 
+#ifndef SCMP_ACT_KILL_PROCESS
+#define SCMP_ACT_KILL_PROCESS 0x80000000U
+#endif
+
+#ifndef SCMP_ACT_KILL_THREAD
+#define SCMP_ACT_KILL_THREAD	0x00000000U
+#endif
+
 const uint32_t C_ACT_KILL          = SCMP_ACT_KILL;
+const uint32_t C_ACT_KILL_PROCESS  = SCMP_ACT_KILL_PROCESS;
+const uint32_t C_ACT_KILL_THREAD   = SCMP_ACT_KILL_THREAD;
 const uint32_t C_ACT_TRAP          = SCMP_ACT_TRAP;
 const uint32_t C_ACT_ERRNO         = SCMP_ACT_ERRNO(0);
 const uint32_t C_ACT_TRACE         = SCMP_ACT_TRACE(0);
@@ -203,7 +213,7 @@ const (
 	archEnd   ScmpArch = ArchS390X
 	// Comparison boundaries to check for action validity
 	actionStart ScmpAction = ActKill
-	actionEnd   ScmpAction = ActLog
+	actionEnd   ScmpAction = ActKillProcess
 	// Comparison boundaries to check for comparison operator validity
 	compareOpStart ScmpCompareOp = CompareNotEqual
 	compareOpEnd   ScmpCompareOp = CompareMaskedEqual
@@ -236,7 +246,7 @@ func ensureSupportedVersion() error {
 }
 
 // Get the API level
-func getApi() (uint, error) {
+func getAPI() (uint, error) {
 	api := C.seccomp_api_get()
 	if api == 0 {
 		return 0, fmt.Errorf("API level operations are not supported")
@@ -246,9 +256,9 @@ func getApi() (uint, error) {
 }
 
 // Set the API level
-func setApi(api uint) error {
+func setAPI(api uint) error {
 	if retCode := C.seccomp_api_set(C.uint(api)); retCode != 0 {
-		if syscall.Errno(-1*retCode) == syscall.EOPNOTSUPP {
+		if errRc(retCode) == syscall.EOPNOTSUPP {
 			return fmt.Errorf("API level operations are not supported")
 		}
 
@@ -265,6 +275,10 @@ func filterFinalizer(f *ScmpFilter) {
 	f.Release()
 }
 
+func errRc(rc C.int) error {
+	return syscall.Errno(-1 * rc)
+}
+
 // Get a raw filter attribute
 func (f *ScmpFilter) getFilterAttr(attr scmpFilterAttr) (C.uint32_t, error) {
 	f.lock.Lock()
@@ -278,7 +292,7 @@ func (f *ScmpFilter) getFilterAttr(attr scmpFilterAttr) (C.uint32_t, error) {
 
 	retCode := C.seccomp_attr_get(f.filterCtx, attr.toNative(), &attribute)
 	if retCode != 0 {
-		return 0x0, syscall.Errno(-1 * retCode)
+		return 0x0, errRc(retCode)
 	}
 
 	return attribute, nil
@@ -295,7 +309,7 @@ func (f *ScmpFilter) setFilterAttr(attr scmpFilterAttr, value C.uint32_t) error
 
 	retCode := C.seccomp_attr_set(f.filterCtx, attr.toNative(), value)
 	if retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+		return errRc(retCode)
 	}
 
 	return nil
@@ -316,14 +330,17 @@ func (f *ScmpFilter) addRuleWrapper(call ScmpSyscall, action ScmpAction, exact b
 		retCode = C.seccomp_rule_add_array(f.filterCtx, action.toNative(), C.int(call), length, cond)
 	}
 
-	if syscall.Errno(-1*retCode) == syscall.EFAULT {
-		return fmt.Errorf("unrecognized syscall %#x", int32(call))
-	} else if syscall.Errno(-1*retCode) == syscall.EPERM {
-		return fmt.Errorf("requested action matches default action of filter")
-	} else if syscall.Errno(-1*retCode) == syscall.EINVAL {
-		return fmt.Errorf("two checks on same syscall argument")
-	} else if retCode != 0 {
-		return syscall.Errno(-1 * retCode)
+	if retCode != 0 {
+		switch e := errRc(retCode); e {
+		case syscall.EFAULT:
+			return fmt.Errorf("unrecognized syscall %#x", int32(call))
+		case syscall.EPERM:
+			return fmt.Errorf("requested action matches default action of filter")
+		case syscall.EINVAL:
+			return fmt.Errorf("two checks on same syscall argument")
+		default:
+			return e
+		}
 	}
 
 	return nil
@@ -517,6 +534,10 @@ func actionFromNative(a C.uint32_t) (ScmpAction, error) {
 	switch a & 0xFFFF0000 {
 	case C.C_ACT_KILL:
 		return ActKill, nil
+	case C.C_ACT_KILL_PROCESS:
+		return ActKillProcess, nil
+	case C.C_ACT_KILL_THREAD:
+		return ActKillThread, nil
 	case C.C_ACT_TRAP:
 		return ActTrap, nil
 	case C.C_ACT_ERRNO:
@@ -537,6 +558,10 @@ func (a ScmpAction) toNative() C.uint32_t {
 	switch a & 0xFFFF {
 	case ActKill:
 		return C.C_ACT_KILL
+	case ActKillProcess:
+		return C.C_ACT_KILL_PROCESS
+	case ActKillThread:
+		return C.C_ACT_KILL_THREAD
 	case ActTrap:
 		return C.C_ACT_TRAP
 	case ActErrno: