Merge pull request #9734 from containers/dependabot/go_modules/github.com/containers/storage-1.28.0

Bump github.com/containers/storage from 1.25.0 to 1.28.0

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/containers/image/v5 v5.10.2
 	github.com/containers/ocicrypt v1.1.0
 	github.com/containers/psgo v1.5.2
-	github.com/containers/storage v1.25.0
+	github.com/containers/storage v1.28.0
 	github.com/coreos/go-systemd/v22 v22.1.0
 	github.com/cri-o/ocicni v0.2.1-0.20210301205850-541cf7c703cf
 	github.com/cyphar/filepath-securejoin v0.2.2
@@ -33,22 +33,21 @@ require (
 	github.com/google/uuid v1.2.0
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/schema v1.2.0
-	github.com/hashicorp/go-multierror v1.1.0
-	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/hashicorp/go-multierror v1.1.1
 	github.com/hpcloud/tail v1.0.0
 	github.com/json-iterator/go v1.1.10
 	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.8 // indirect
 	github.com/mattn/go-runewidth v0.0.10 // indirect
 	github.com/moby/term v0.0.0-20201110203204-bea5bbe245bf
-	github.com/mrunalp/fileutils v0.0.0-20171103030105-7d4729fb3618
+	github.com/mrunalp/fileutils v0.5.0
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/onsi/ginkgo v1.15.1
 	github.com/onsi/gomega v1.11.0
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.0.2-0.20190823105129-775207bd45b6
-	github.com/opencontainers/runc v1.0.0-rc91.0.20200708210054-ce54a9d4d79b
-	github.com/opencontainers/runtime-spec v1.0.3-0.20200817204227-f9c09b4ea1df
+	github.com/opencontainers/runc v1.0.0-rc93
+	github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
 	github.com/opencontainers/runtime-tools v0.9.0
 	github.com/opencontainers/selinux v1.8.0
 	github.com/pkg/errors v0.9.1
@@ -59,7 +58,7 @@ require (
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
-	github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2
+	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635
 	github.com/uber/jaeger-client-go v2.25.0+incompatible
 	github.com/vishvananda/netlink v1.1.1-0.20201029203352-d40f9887b852
 	go.etcd.io/bbolt v1.3.5
@@ -68,6 +67,8 @@ require (
 	golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
-	k8s.io/api v0.0.0-20190620084959-7cf5895f2711
+	k8s.io/api v0.20.1
 	k8s.io/apimachinery v0.20.4
 )
+
+replace github.com/syndtr/gocapability => github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2

vendor/github.com/Microsoft/go-winio/CODEOWNERS

@@ -0,0 +1 @@
+  * @microsoft/containerplat

vendor/github.com/Microsoft/go-winio/backuptar/tar.go

@@ -16,6 +16,7 @@ import (
 	"time"
 
 	"github.com/Microsoft/go-winio"
+	"golang.org/x/sys/windows"
 )
 
 const (
@@ -297,11 +298,11 @@ func FileInfoFromHeader(hdr *tar.Header) (name string, size int64, fileInfo *win
 		size = hdr.Size
 	}
 	fileInfo = &winio.FileBasicInfo{
-		LastAccessTime: syscall.NsecToFiletime(hdr.AccessTime.UnixNano()),
-		LastWriteTime:  syscall.NsecToFiletime(hdr.ModTime.UnixNano()),
-		ChangeTime:     syscall.NsecToFiletime(hdr.ChangeTime.UnixNano()),
+		LastAccessTime: windows.NsecToFiletime(hdr.AccessTime.UnixNano()),
+		LastWriteTime:  windows.NsecToFiletime(hdr.ModTime.UnixNano()),
+		ChangeTime:     windows.NsecToFiletime(hdr.ChangeTime.UnixNano()),
 		// Default to ModTime, we'll pull hdrCreationTime below if present
-		CreationTime: syscall.NsecToFiletime(hdr.ModTime.UnixNano()),
+		CreationTime: windows.NsecToFiletime(hdr.ModTime.UnixNano()),
 	}
 	if attrStr, ok := hdr.PAXRecords[hdrFileAttributes]; ok {
 		attr, err := strconv.ParseUint(attrStr, 10, 32)
@@ -319,7 +320,7 @@ func FileInfoFromHeader(hdr *tar.Header) (name string, size int64, fileInfo *win
 		if err != nil {
 			return "", 0, nil, err
 		}
-		fileInfo.CreationTime = syscall.NsecToFiletime(creationTime.UnixNano())
+		fileInfo.CreationTime = windows.NsecToFiletime(creationTime.UnixNano())
 	}
 	return
 }

vendor/github.com/Microsoft/go-winio/fileinfo.go

@@ -5,21 +5,14 @@ package winio
 import (
 	"os"
 	"runtime"
-	"syscall"
 	"unsafe"
-)
 
-//sys getFileInformationByHandleEx(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = GetFileInformationByHandleEx
-//sys setFileInformationByHandle(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = SetFileInformationByHandle
-
-const (
-	fileBasicInfo = 0
-	fileIDInfo    = 0x12
+	"golang.org/x/sys/windows"
 )
 
 // FileBasicInfo contains file access time and file attributes information.
 type FileBasicInfo struct {
-	CreationTime, LastAccessTime, LastWriteTime, ChangeTime syscall.Filetime
+	CreationTime, LastAccessTime, LastWriteTime, ChangeTime windows.Filetime
 	FileAttributes                                          uint32
 	pad                                                     uint32 // padding
 }
@@ -27,7 +20,7 @@ type FileBasicInfo struct {
 // GetFileBasicInfo retrieves times and attributes for a file.
 func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) {
 	bi := &FileBasicInfo{}
-	if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
 		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
 	}
 	runtime.KeepAlive(f)
@@ -36,13 +29,32 @@ func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) {
 
 // SetFileBasicInfo sets times and attributes for a file.
 func SetFileBasicInfo(f *os.File, bi *FileBasicInfo) error {
-	if err := setFileInformationByHandle(syscall.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
+	if err := windows.SetFileInformationByHandle(windows.Handle(f.Fd()), windows.FileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
 		return &os.PathError{Op: "SetFileInformationByHandle", Path: f.Name(), Err: err}
 	}
 	runtime.KeepAlive(f)
 	return nil
 }
 
+// FileStandardInfo contains extended information for the file.
+// FILE_STANDARD_INFO in WinBase.h
+// https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_standard_info
+type FileStandardInfo struct {
+	AllocationSize, EndOfFile int64
+	NumberOfLinks             uint32
+	DeletePending, Directory  bool
+}
+
+// GetFileStandardInfo retrieves ended information for the file.
+func GetFileStandardInfo(f *os.File) (*FileStandardInfo, error) {
+	si := &FileStandardInfo{}
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileStandardInfo, (*byte)(unsafe.Pointer(si)), uint32(unsafe.Sizeof(*si))); err != nil {
+		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
+	}
+	runtime.KeepAlive(f)
+	return si, nil
+}
+
 // FileIDInfo contains the volume serial number and file ID for a file. This pair should be
 // unique on a system.
 type FileIDInfo struct {
@@ -53,7 +65,7 @@ type FileIDInfo struct {
 // GetFileID retrieves the unique (volume, file ID) pair for a file.
 func GetFileID(f *os.File) (*FileIDInfo, error) {
 	fileID := &FileIDInfo{}
-	if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), fileIDInfo, (*byte)(unsafe.Pointer(fileID)), uint32(unsafe.Sizeof(*fileID))); err != nil {
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileIdInfo, (*byte)(unsafe.Pointer(fileID)), uint32(unsafe.Sizeof(*fileID))); err != nil {
 		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
 	}
 	runtime.KeepAlive(f)

vendor/github.com/Microsoft/go-winio/go.mod

@@ -4,6 +4,6 @@ go 1.12
 
 require (
 	github.com/pkg/errors v0.9.1
-	github.com/sirupsen/logrus v1.4.1
-	golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3
+	github.com/sirupsen/logrus v1.7.0
+	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
 )

vendor/github.com/Microsoft/go-winio/go.sum

@@ -1,16 +1,14 @@
 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 v0.9.1 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=
-github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
-github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
+github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 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 v0.0.0-20190916202348-b4ddaad3f8a3 h1:7TYNF4UdlohbFwpNH04CoPMp1cHUZgO1Ebq5r2hIjfo=
-golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

vendor/github.com/Microsoft/go-winio/hvsock.go

@@ -1,3 +1,5 @@
+// +build windows
+
 package winio
 
 import (

vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go

@@ -1,3 +1,5 @@
+// +build windows
+
 // Package guid provides a GUID type. The backing structure for a GUID is
 // identical to that used by the golang.org/x/sys/windows GUID type.
 // There are two main binary encodings used for a GUID, the big-endian encoding,

vendor/github.com/Microsoft/go-winio/pkg/security/grantvmgroupaccess.go

@@ -1,3 +1,5 @@
+// +build windows
+
 package security
 
 import (

vendor/github.com/Microsoft/go-winio/pkg/security/zsyscall_windows.go

@@ -1,4 +1,4 @@
-// Code generated mksyscall_windows.exe DO NOT EDIT
+// Code generated by 'go generate'; DO NOT EDIT.
 
 package security
 
@@ -19,6 +19,7 @@ const (
 
 var (
 	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
 )
 
 // errnoErr returns common boxed Errno values, to prevent
@@ -26,7 +27,7 @@ var (
 func errnoErr(e syscall.Errno) error {
 	switch e {
 	case 0:
-		return nil
+		return errERROR_EINVAL
 	case errnoERROR_IO_PENDING:
 		return errERROR_IO_PENDING
 	}
@@ -40,30 +41,14 @@ var (
 	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
 
 	procGetSecurityInfo  = modadvapi32.NewProc("GetSecurityInfo")
-	procSetSecurityInfo  = modadvapi32.NewProc("SetSecurityInfo")
 	procSetEntriesInAclW = modadvapi32.NewProc("SetEntriesInAclW")
+	procSetSecurityInfo  = modadvapi32.NewProc("SetSecurityInfo")
 )
 
 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
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -71,11 +56,15 @@ func setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOw
 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
-		}
+		err = errnoErr(e1)
+	}
+	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 {
+		err = errnoErr(e1)
 	}
 	return
 }

vendor/github.com/Microsoft/go-winio/syscall.go

@@ -1,3 +1,3 @@
 package winio
 
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go file.go pipe.go sd.go fileinfo.go privilege.go backup.go hvsock.go
+//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go file.go pipe.go sd.go fileinfo.go privilege.go backup.go hvsock.go

vendor/github.com/Microsoft/go-winio/vhd/vhd.go

@@ -11,7 +11,7 @@ import (
 	"golang.org/x/sys/windows"
 )
 
-//go:generate go run mksyscall_windows.go -output zvhd.go vhd.go
+//go:generate go run mksyscall_windows.go -output zvhd_windows.go vhd.go
 
 //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
@@ -176,9 +176,7 @@ func DetachVhd(path string) error {
 
 // 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)
-	}
+	// Supports both version 1 and 2 of the attach parameters as version 2 wasn't present in RS5.
 	if err := attachVirtualDisk(
 		handle,
 		nil,
@@ -192,7 +190,8 @@ func AttachVirtualDisk(handle syscall.Handle, attachVirtualDiskFlag AttachVirtua
 	return nil
 }
 
-// AttachVhd attaches a virtual hard disk at `path` for use.
+// AttachVhd attaches a virtual hard disk at `path` for use. Attaches using version 2
+// of the ATTACH_VIRTUAL_DISK_PARAMETERS.
 func AttachVhd(path string) (err error) {
 	handle, err := OpenVirtualDisk(
 		path,

vendor/github.com/Microsoft/go-winio/vhd/zvhd_windows.go

@@ -1,4 +1,4 @@
-// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT
+// Code generated by 'go generate'; DO NOT EDIT.
 
 package vhd
 
@@ -19,6 +19,7 @@ const (
 
 var (
 	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
 )
 
 // errnoErr returns common boxed Errno values, to prevent
@@ -26,7 +27,7 @@ var (
 func errnoErr(e syscall.Errno) error {
 	switch e {
 	case 0:
-		return nil
+		return errERROR_EINVAL
 	case errnoERROR_IO_PENDING:
 		return errERROR_IO_PENDING
 	}
@@ -39,13 +40,21 @@ func errnoErr(e syscall.Errno) error {
 var (
 	modvirtdisk = windows.NewLazySystemDLL("virtdisk.dll")
 
-	procCreateVirtualDisk          = modvirtdisk.NewProc("CreateVirtualDisk")
-	procOpenVirtualDisk            = modvirtdisk.NewProc("OpenVirtualDisk")
 	procAttachVirtualDisk          = modvirtdisk.NewProc("AttachVirtualDisk")
+	procCreateVirtualDisk          = modvirtdisk.NewProc("CreateVirtualDisk")
 	procDetachVirtualDisk          = modvirtdisk.NewProc("DetachVirtualDisk")
 	procGetVirtualDiskPhysicalPath = modvirtdisk.NewProc("GetVirtualDiskPhysicalPath")
+	procOpenVirtualDisk            = modvirtdisk.NewProc("OpenVirtualDisk")
 )
 
+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 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 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)
@@ -58,11 +67,23 @@ func createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virt
 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)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
+	}
+	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 {
+		err = errnoErr(e1)
+	}
+	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 {
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -79,47 +100,7 @@ func openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtua
 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)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-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)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }

vendor/github.com/Microsoft/go-winio/zsyscall_windows.go

@@ -19,6 +19,7 @@ const (
 
 var (
 	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
 )
 
 // errnoErr returns common boxed Errno values, to prevent
@@ -26,7 +27,7 @@ var (
 func errnoErr(e syscall.Errno) error {
 	switch e {
 	case 0:
-		return nil
+		return errERROR_EINVAL
 	case errnoERROR_IO_PENDING:
 		return errERROR_IO_PENDING
 	}
@@ -37,243 +38,62 @@ func errnoErr(e syscall.Errno) error {
 }
 
 var (
-	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
-	modws2_32   = windows.NewLazySystemDLL("ws2_32.dll")
-	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
 	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
+	modws2_32   = windows.NewLazySystemDLL("ws2_32.dll")
 
-	procCancelIoEx                                           = modkernel32.NewProc("CancelIoEx")
-	procCreateIoCompletionPort                               = modkernel32.NewProc("CreateIoCompletionPort")
-	procGetQueuedCompletionStatus                            = modkernel32.NewProc("GetQueuedCompletionStatus")
-	procSetFileCompletionNotificationModes                   = modkernel32.NewProc("SetFileCompletionNotificationModes")
-	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
-	procConnectNamedPipe                                     = modkernel32.NewProc("ConnectNamedPipe")
-	procCreateNamedPipeW                                     = modkernel32.NewProc("CreateNamedPipeW")
-	procCreateFileW                                          = modkernel32.NewProc("CreateFileW")
-	procGetNamedPipeInfo                                     = modkernel32.NewProc("GetNamedPipeInfo")
-	procGetNamedPipeHandleStateW                             = modkernel32.NewProc("GetNamedPipeHandleStateW")
-	procLocalAlloc                                           = modkernel32.NewProc("LocalAlloc")
-	procNtCreateNamedPipeFile                                = modntdll.NewProc("NtCreateNamedPipeFile")
-	procRtlNtStatusToDosErrorNoTeb                           = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
-	procRtlDosPathNameToNtPathName_U                         = modntdll.NewProc("RtlDosPathNameToNtPathName_U")
-	procRtlDefaultNpAcl                                      = modntdll.NewProc("RtlDefaultNpAcl")
-	procLookupAccountNameW                                   = modadvapi32.NewProc("LookupAccountNameW")
+	procAdjustTokenPrivileges                                = modadvapi32.NewProc("AdjustTokenPrivileges")
+	procConvertSecurityDescriptorToStringSecurityDescriptorW = modadvapi32.NewProc("ConvertSecurityDescriptorToStringSecurityDescriptorW")
 	procConvertSidToStringSidW                               = modadvapi32.NewProc("ConvertSidToStringSidW")
 	procConvertStringSecurityDescriptorToSecurityDescriptorW = modadvapi32.NewProc("ConvertStringSecurityDescriptorToSecurityDescriptorW")
-	procConvertSecurityDescriptorToStringSecurityDescriptorW = modadvapi32.NewProc("ConvertSecurityDescriptorToStringSecurityDescriptorW")
-	procLocalFree                                            = modkernel32.NewProc("LocalFree")
 	procGetSecurityDescriptorLength                          = modadvapi32.NewProc("GetSecurityDescriptorLength")
-	procGetFileInformationByHandleEx                         = modkernel32.NewProc("GetFileInformationByHandleEx")
-	procSetFileInformationByHandle                           = modkernel32.NewProc("SetFileInformationByHandle")
-	procAdjustTokenPrivileges                                = modadvapi32.NewProc("AdjustTokenPrivileges")
 	procImpersonateSelf                                      = modadvapi32.NewProc("ImpersonateSelf")
-	procRevertToSelf                                         = modadvapi32.NewProc("RevertToSelf")
-	procOpenThreadToken                                      = modadvapi32.NewProc("OpenThreadToken")
-	procGetCurrentThread                                     = modkernel32.NewProc("GetCurrentThread")
-	procLookupPrivilegeValueW                                = modadvapi32.NewProc("LookupPrivilegeValueW")
-	procLookupPrivilegeNameW                                 = modadvapi32.NewProc("LookupPrivilegeNameW")
+	procLookupAccountNameW                                   = modadvapi32.NewProc("LookupAccountNameW")
 	procLookupPrivilegeDisplayNameW                          = modadvapi32.NewProc("LookupPrivilegeDisplayNameW")
+	procLookupPrivilegeNameW                                 = modadvapi32.NewProc("LookupPrivilegeNameW")
+	procLookupPrivilegeValueW                                = modadvapi32.NewProc("LookupPrivilegeValueW")
+	procOpenThreadToken                                      = modadvapi32.NewProc("OpenThreadToken")
+	procRevertToSelf                                         = modadvapi32.NewProc("RevertToSelf")
 	procBackupRead                                           = modkernel32.NewProc("BackupRead")
 	procBackupWrite                                          = modkernel32.NewProc("BackupWrite")
+	procCancelIoEx                                           = modkernel32.NewProc("CancelIoEx")
+	procConnectNamedPipe                                     = modkernel32.NewProc("ConnectNamedPipe")
+	procCreateFileW                                          = modkernel32.NewProc("CreateFileW")
+	procCreateIoCompletionPort                               = modkernel32.NewProc("CreateIoCompletionPort")
+	procCreateNamedPipeW                                     = modkernel32.NewProc("CreateNamedPipeW")
+	procGetCurrentThread                                     = modkernel32.NewProc("GetCurrentThread")
+	procGetNamedPipeHandleStateW                             = modkernel32.NewProc("GetNamedPipeHandleStateW")
+	procGetNamedPipeInfo                                     = modkernel32.NewProc("GetNamedPipeInfo")
+	procGetQueuedCompletionStatus                            = modkernel32.NewProc("GetQueuedCompletionStatus")
+	procLocalAlloc                                           = modkernel32.NewProc("LocalAlloc")
+	procLocalFree                                            = modkernel32.NewProc("LocalFree")
+	procSetFileCompletionNotificationModes                   = modkernel32.NewProc("SetFileCompletionNotificationModes")
+	procNtCreateNamedPipeFile                                = modntdll.NewProc("NtCreateNamedPipeFile")
+	procRtlDefaultNpAcl                                      = modntdll.NewProc("RtlDefaultNpAcl")
+	procRtlDosPathNameToNtPathName_U                         = modntdll.NewProc("RtlDosPathNameToNtPathName_U")
+	procRtlNtStatusToDosErrorNoTeb                           = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
+	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
 	procbind                                                 = modws2_32.NewProc("bind")
 )
 
-func cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) {
-	r1, _, e1 := syscall.Syscall(procCancelIoEx.Addr(), 2, uintptr(file), uintptr(unsafe.Pointer(o)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
-	r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
-	newport = syscall.Handle(r0)
-	if newport == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) {
-	r1, _, e1 := syscall.Syscall(procSetFileCompletionNotificationModes.Addr(), 2, uintptr(h), uintptr(flags), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) {
+func adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) {
 	var _p0 uint32
-	if wait {
+	if releaseAll {
 		_p0 = 1
-	} else {
-		_p0 = 0
 	}
-	r1, _, e1 := syscall.Syscall6(procWSAGetOverlappedResult.Addr(), 5, uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags)), 0)
+	r0, _, e1 := syscall.Syscall6(procAdjustTokenPrivileges.Addr(), 6, uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(input)), uintptr(outputSize), uintptr(unsafe.Pointer(output)), uintptr(unsafe.Pointer(requiredSize)))
+	success = r0 != 0
+	if true {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func convertSecurityDescriptorToStringSecurityDescriptor(sd *byte, revision uint32, secInfo uint32, sddl **uint16, sddlSize *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procConvertSecurityDescriptorToStringSecurityDescriptorW.Addr(), 5, uintptr(unsafe.Pointer(sd)), uintptr(revision), uintptr(secInfo), uintptr(unsafe.Pointer(sddl)), uintptr(unsafe.Pointer(sddlSize)), 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
-	r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(name)
-	if err != nil {
-		return
-	}
-	return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa)
-}
-
-func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
-	r0, _, e1 := syscall.Syscall9(procCreateNamedPipeW.Addr(), 8, uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa)), 0)
-	handle = syscall.Handle(r0)
-	if handle == syscall.InvalidHandle {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(name)
-	if err != nil {
-		return
-	}
-	return _createFile(_p0, access, mode, sa, createmode, attrs, templatefile)
-}
-
-func _createFile(name *uint16, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
-	r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
-	handle = syscall.Handle(r0)
-	if handle == syscall.InvalidHandle {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procGetNamedPipeInfo.Addr(), 5, uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
-	r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func localAlloc(uFlags uint32, length uint32) (ptr uintptr) {
-	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(uFlags), uintptr(length), 0)
-	ptr = uintptr(r0)
-	return
-}
-
-func ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntstatus) {
-	r0, _, _ := syscall.Syscall15(procNtCreateNamedPipeFile.Addr(), 14, uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout)), 0)
-	status = ntstatus(r0)
-	return
-}
-
-func rtlNtStatusToDosError(status ntstatus) (winerr error) {
-	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
-	if r0 != 0 {
-		winerr = syscall.Errno(r0)
-	}
-	return
-}
-
-func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntstatus) {
-	r0, _, _ := syscall.Syscall6(procRtlDosPathNameToNtPathName_U.Addr(), 4, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved), 0, 0)
-	status = ntstatus(r0)
-	return
-}
-
-func rtlDefaultNpAcl(dacl *uintptr) (status ntstatus) {
-	r0, _, _ := syscall.Syscall(procRtlDefaultNpAcl.Addr(), 1, uintptr(unsafe.Pointer(dacl)), 0, 0)
-	status = ntstatus(r0)
-	return
-}
-
-func lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(accountName)
-	if err != nil {
-		return
-	}
-	return _lookupAccountName(systemName, _p0, sid, sidSize, refDomain, refDomainSize, sidNameUse)
-}
-
-func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall9(procLookupAccountNameW.Addr(), 7, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(accountName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(sidSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse)), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -281,11 +101,7 @@ func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidS
 func convertSidToStringSid(sid *byte, str **uint16) (err error) {
 	r1, _, e1 := syscall.Syscall(procConvertSidToStringSidW.Addr(), 2, uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(str)), 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -302,126 +118,73 @@ func convertStringSecurityDescriptorToSecurityDescriptor(str string, revision ui
 func _convertStringSecurityDescriptorToSecurityDescriptor(str *uint16, revision uint32, sd *uintptr, size *uint32) (err error) {
 	r1, _, e1 := syscall.Syscall6(procConvertStringSecurityDescriptorToSecurityDescriptorW.Addr(), 4, uintptr(unsafe.Pointer(str)), uintptr(revision), uintptr(unsafe.Pointer(sd)), uintptr(unsafe.Pointer(size)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func convertSecurityDescriptorToStringSecurityDescriptor(sd *byte, revision uint32, secInfo uint32, sddl **uint16, sddlSize *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procConvertSecurityDescriptorToStringSecurityDescriptorW.Addr(), 5, uintptr(unsafe.Pointer(sd)), uintptr(revision), uintptr(secInfo), uintptr(unsafe.Pointer(sddl)), uintptr(unsafe.Pointer(sddlSize)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func localFree(mem uintptr) {
-	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(mem), 0, 0)
-	return
-}
-
 func getSecurityDescriptorLength(sd uintptr) (len uint32) {
 	r0, _, _ := syscall.Syscall(procGetSecurityDescriptorLength.Addr(), 1, uintptr(sd), 0, 0)
 	len = uint32(r0)
 	return
 }
 
-func getFileInformationByHandleEx(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procGetFileInformationByHandleEx.Addr(), 4, uintptr(h), uintptr(class), uintptr(unsafe.Pointer(buffer)), uintptr(size), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func setFileInformationByHandle(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procSetFileInformationByHandle.Addr(), 4, uintptr(h), uintptr(class), uintptr(unsafe.Pointer(buffer)), uintptr(size), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) {
-	var _p0 uint32
-	if releaseAll {
-		_p0 = 1
-	} else {
-		_p0 = 0
-	}
-	r0, _, e1 := syscall.Syscall6(procAdjustTokenPrivileges.Addr(), 6, uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(input)), uintptr(outputSize), uintptr(unsafe.Pointer(output)), uintptr(unsafe.Pointer(requiredSize)))
-	success = r0 != 0
-	if true {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
 func impersonateSelf(level uint32) (err error) {
 	r1, _, e1 := syscall.Syscall(procImpersonateSelf.Addr(), 1, uintptr(level), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func revertToSelf() (err error) {
-	r1, _, e1 := syscall.Syscall(procRevertToSelf.Addr(), 0, 0, 0, 0)
+func lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(accountName)
+	if err != nil {
+		return
+	}
+	return _lookupAccountName(systemName, _p0, sid, sidSize, refDomain, refDomainSize, sidNameUse)
+}
+
+func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procLookupAccountNameW.Addr(), 7, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(accountName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(sidSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func openThreadToken(thread syscall.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) {
-	var _p0 uint32
-	if openAsSelf {
-		_p0 = 1
-	} else {
-		_p0 = 0
+func lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
 	}
-	r1, _, e1 := syscall.Syscall6(procOpenThreadToken.Addr(), 4, uintptr(thread), uintptr(accessMask), uintptr(_p0), uintptr(unsafe.Pointer(token)), 0, 0)
+	return _lookupPrivilegeDisplayName(_p0, name, buffer, size, languageId)
+}
+
+func _lookupPrivilegeDisplayName(systemName *uint16, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeDisplayNameW.Addr(), 5, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), uintptr(unsafe.Pointer(languageId)), 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func getCurrentThread() (h syscall.Handle) {
-	r0, _, _ := syscall.Syscall(procGetCurrentThread.Addr(), 0, 0, 0, 0)
-	h = syscall.Handle(r0)
+func lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
+	}
+	return _lookupPrivilegeName(_p0, luid, buffer, size)
+}
+
+func _lookupPrivilegeName(systemName *uint16, luid *uint64, buffer *uint16, size *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeNameW.Addr(), 4, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(luid)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
 	return
 }
 
@@ -442,53 +205,27 @@ func lookupPrivilegeValue(systemName string, name string, luid *uint64) (err err
 func _lookupPrivilegeValue(systemName *uint16, name *uint16, luid *uint64) (err error) {
 	r1, _, e1 := syscall.Syscall(procLookupPrivilegeValueW.Addr(), 3, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(luid)))
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(systemName)
-	if err != nil {
-		return
+func openThreadToken(thread syscall.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) {
+	var _p0 uint32
+	if openAsSelf {
+		_p0 = 1
 	}
-	return _lookupPrivilegeName(_p0, luid, buffer, size)
-}
-
-func _lookupPrivilegeName(systemName *uint16, luid *uint64, buffer *uint16, size *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeNameW.Addr(), 4, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(luid)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), 0, 0)
+	r1, _, e1 := syscall.Syscall6(procOpenThreadToken.Addr(), 4, uintptr(thread), uintptr(accessMask), uintptr(_p0), uintptr(unsafe.Pointer(token)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(systemName)
-	if err != nil {
-		return
-	}
-	return _lookupPrivilegeDisplayName(_p0, name, buffer, size, languageId)
-}
-
-func _lookupPrivilegeDisplayName(systemName *uint16, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeDisplayNameW.Addr(), 5, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), uintptr(unsafe.Pointer(languageId)), 0)
+func revertToSelf() (err error) {
+	r1, _, e1 := syscall.Syscall(procRevertToSelf.Addr(), 0, 0, 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -501,22 +238,14 @@ func backupRead(h syscall.Handle, b []byte, bytesRead *uint32, abort bool, proce
 	var _p1 uint32
 	if abort {
 		_p1 = 1
-	} else {
-		_p1 = 0
 	}
 	var _p2 uint32
 	if processSecurity {
 		_p2 = 1
-	} else {
-		_p2 = 0
 	}
 	r1, _, e1 := syscall.Syscall9(procBackupRead.Addr(), 7, uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesRead)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -529,22 +258,162 @@ func backupWrite(h syscall.Handle, b []byte, bytesWritten *uint32, abort bool, p
 	var _p1 uint32
 	if abort {
 		_p1 = 1
-	} else {
-		_p1 = 0
 	}
 	var _p2 uint32
 	if processSecurity {
 		_p2 = 1
-	} else {
-		_p2 = 0
 	}
 	r1, _, e1 := syscall.Syscall9(procBackupWrite.Addr(), 7, uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesWritten)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall(procCancelIoEx.Addr(), 2, uintptr(file), uintptr(unsafe.Pointer(o)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _createFile(_p0, access, mode, sa, createmode, attrs, templatefile)
+}
+
+func _createFile(name *uint16, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
+	handle = syscall.Handle(r0)
+	if handle == syscall.InvalidHandle {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
+	newport = syscall.Handle(r0)
+	if newport == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa)
+}
+
+func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall9(procCreateNamedPipeW.Addr(), 8, uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa)), 0)
+	handle = syscall.Handle(r0)
+	if handle == syscall.InvalidHandle {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getCurrentThread() (h syscall.Handle) {
+	r0, _, _ := syscall.Syscall(procGetCurrentThread.Addr(), 0, 0, 0, 0)
+	h = syscall.Handle(r0)
+	return
+}
+
+func getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetNamedPipeInfo.Addr(), 5, uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func localAlloc(uFlags uint32, length uint32) (ptr uintptr) {
+	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(uFlags), uintptr(length), 0)
+	ptr = uintptr(r0)
+	return
+}
+
+func localFree(mem uintptr) {
+	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(mem), 0, 0)
+	return
+}
+
+func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetFileCompletionNotificationModes.Addr(), 2, uintptr(h), uintptr(flags), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntstatus) {
+	r0, _, _ := syscall.Syscall15(procNtCreateNamedPipeFile.Addr(), 14, uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout)), 0)
+	status = ntstatus(r0)
+	return
+}
+
+func rtlDefaultNpAcl(dacl *uintptr) (status ntstatus) {
+	r0, _, _ := syscall.Syscall(procRtlDefaultNpAcl.Addr(), 1, uintptr(unsafe.Pointer(dacl)), 0, 0)
+	status = ntstatus(r0)
+	return
+}
+
+func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntstatus) {
+	r0, _, _ := syscall.Syscall6(procRtlDosPathNameToNtPathName_U.Addr(), 4, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved), 0, 0)
+	status = ntstatus(r0)
+	return
+}
+
+func rtlNtStatusToDosError(status ntstatus) (winerr error) {
+	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
+	if r0 != 0 {
+		winerr = syscall.Errno(r0)
+	}
+	return
+}
+
+func wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) {
+	var _p0 uint32
+	if wait {
+		_p0 = 1
+	}
+	r1, _, e1 := syscall.Syscall6(procWSAGetOverlappedResult.Addr(), 5, uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -552,11 +421,7 @@ func backupWrite(h syscall.Handle, b []byte, bytesWritten *uint32, abort bool, p
 func bind(s syscall.Handle, name unsafe.Pointer, namelen int32) (err error) {
 	r1, _, e1 := syscall.Syscall(procbind.Addr(), 3, uintptr(s), uintptr(name), uintptr(namelen))
 	if r1 == socketError {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }

vendor/github.com/Microsoft/hcsshim/.gitignore

@@ -1 +1,3 @@
 *.exe
+.idea
+.vscode

vendor/github.com/Microsoft/hcsshim/appveyor.yml

@@ -1,14 +1,16 @@
 version: 0.1.{build}
 
-image: Visual Studio 2017
+image: Visual Studio 2019
 
 clone_folder: c:\gopath\src\github.com\Microsoft\hcsshim
 
 environment:
   GOPATH: c:\gopath
   PATH: "%GOPATH%\\bin;C:\\gometalinter-2.0.12-windows-amd64;%PATH%"
+  GOPROXY: 'off'
+  GOFLAGS: '-mod=vendor'
 
-stack: go 1.13.4
+stack: go 1.15
 
 build_script:
   - appveyor DownloadFile https://github.com/alecthomas/gometalinter/releases/download/v2.0.12/gometalinter-2.0.12-windows-amd64.zip
@@ -19,16 +21,17 @@ build_script:
   - go build ./cmd/tar2ext4
   - go build ./cmd/wclayer
   - go build ./cmd/device-util
-  - go build ./internal/tools/grantvmgroupaccess 
+  - go build ./internal/tools/grantvmgroupaccess
   - go build ./internal/tools/uvmboot
   - go build ./internal/tools/zapdir
-  - go test -v ./... -tags admin
+  - go test -gcflags=all=-d=checkptr -v ./... -tags admin
   - cd test
-  - go test -v ./internal -tags admin
-  - go test -c ./containerd-shim-runhcs-v1/ -tags functional
-  - go test -c ./cri-containerd/ -tags functional
-  - go test -c ./functional/ -tags functional
-  - go test -c ./runhcs/ -tags functional
+  - go test -gcflags=all=-d=checkptr -v ./internal -tags admin
+  - go test -gcflags=all=-d=checkptr -c ./containerd-shim-runhcs-v1/ -tags functional
+  - go test -gcflags=all=-d=checkptr -c ./cri-containerd/ -tags functional
+  - go test -gcflags=all=-d=checkptr -c ./functional/ -tags functional
+  - go test -gcflags=all=-d=checkptr -c ./runhcs/ -tags functional
+  - go build -o sample-logging-driver.exe ./cri-containerd/helpers/log.go
 
 artifacts:
   - path: 'containerd-shim-runhcs-v1.exe'
@@ -43,3 +46,4 @@ artifacts:
   - path: './test/cri-containerd.test.exe'
   - path: './test/functional.test.exe'
   - path: './test/runhcs.test.exe'
+  - path: './test/sample-logging-driver.exe'

vendor/github.com/Microsoft/hcsshim/computestorage/attach.go

@@ -3,9 +3,9 @@ package computestorage
 import (
 	"context"
 	"encoding/json"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 )
 
@@ -32,7 +32,7 @@ func AttachLayerStorageFilter(ctx context.Context, layerPath string, layerData L
 
 	err = hcsAttachLayerStorageFilter(layerPath, string(bytes))
 	if err != nil {
-		return fmt.Errorf("failed to attach layer storage filter: %s", err)
+		return errors.Wrap(err, "failed to attach layer storage filter")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go

@@ -2,9 +2,9 @@ package computestorage
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 )
 
@@ -20,7 +20,7 @@ func DestroyLayer(ctx context.Context, layerPath string) (err error) {
 
 	err = hcsDestroyLayer(layerPath)
 	if err != nil {
-		return fmt.Errorf("failed to destroy layer: %s", err)
+		return errors.Wrap(err, "failed to destroy layer")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/detach.go

@@ -2,9 +2,9 @@ package computestorage
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 )
 
@@ -20,7 +20,7 @@ func DetachLayerStorageFilter(ctx context.Context, layerPath string) (err error)
 
 	err = hcsDetachLayerStorageFilter(layerPath)
 	if err != nil {
-		return fmt.Errorf("failed to detach layer storage filter: %s", err)
+		return errors.Wrap(err, "failed to detach layer storage filter")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/export.go

@@ -3,9 +3,9 @@ package computestorage
 import (
 	"context"
 	"encoding/json"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 )
 
@@ -40,7 +40,7 @@ func ExportLayer(ctx context.Context, layerPath, exportFolderPath string, layerD
 
 	err = hcsExportLayer(layerPath, exportFolderPath, string(ldbytes), string(obytes))
 	if err != nil {
-		return fmt.Errorf("failed to export layer: %s", err)
+		return errors.Wrap(err, "failed to export layer")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/format.go

@@ -2,9 +2,9 @@ package computestorage
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 	"golang.org/x/sys/windows"
 )
@@ -20,7 +20,7 @@ func FormatWritableLayerVhd(ctx context.Context, vhdHandle windows.Handle) (err
 
 	err = hcsFormatWritableLayerVhd(vhdHandle)
 	if err != nil {
-		return fmt.Errorf("failed to format writable layer vhd: %s", err)
+		return errors.Wrap(err, "failed to format writable layer vhd")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/import.go

@@ -3,9 +3,9 @@ package computestorage
 import (
 	"context"
 	"encoding/json"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 )
 
@@ -35,7 +35,7 @@ func ImportLayer(ctx context.Context, layerPath, sourceFolderPath string, layerD
 
 	err = hcsImportLayer(layerPath, sourceFolderPath, string(bytes))
 	if err != nil {
-		return fmt.Errorf("failed to import layer: %s", err)
+		return errors.Wrap(err, "failed to import layer")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go

@@ -3,9 +3,9 @@ package computestorage
 import (
 	"context"
 	"encoding/json"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 )
 
@@ -32,7 +32,7 @@ func InitializeWritableLayer(ctx context.Context, layerPath string, layerData La
 	// 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 errors.Wrap(err, "failed to intitialize container layer")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/computestorage/mount.go

@@ -2,10 +2,10 @@ package computestorage
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/interop"
 	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 	"golang.org/x/sys/windows"
 )
@@ -20,7 +20,7 @@ func GetLayerVhdMountPath(ctx context.Context, vhdHandle windows.Handle) (path s
 	var mountPath *uint16
 	err = hcsGetLayerVhdMountPath(vhdHandle, &mountPath)
 	if err != nil {
-		return "", fmt.Errorf("failed to get vhd mount path: %s", err)
+		return "", errors.Wrap(err, "failed to get vhd mount path")
 	}
 	path = interop.ConvertAndFreeCoTaskMemString(mountPath)
 	return path, nil

vendor/github.com/Microsoft/hcsshim/computestorage/setup.go

@@ -3,11 +3,10 @@ package computestorage
 import (
 	"context"
 	"encoding/json"
-	"errors"
-	"fmt"
 
 	"github.com/Microsoft/hcsshim/internal/oc"
 	"github.com/Microsoft/hcsshim/osversion"
+	"github.com/pkg/errors"
 	"go.opencensus.io/trace"
 	"golang.org/x/sys/windows"
 )
@@ -37,7 +36,7 @@ func SetupBaseOSLayer(ctx context.Context, layerPath string, vhdHandle windows.H
 
 	err = hcsSetupBaseOSLayer(layerPath, vhdHandle, string(bytes))
 	if err != nil {
-		return fmt.Errorf("failed to setup base OS layer: %s", err)
+		return errors.Wrap(err, "failed to setup base OS layer")
 	}
 	return nil
 }
@@ -69,7 +68,7 @@ func SetupBaseOSVolume(ctx context.Context, layerPath, volumePath string, option
 
 	err = hcsSetupBaseOSVolume(layerPath, volumePath, string(bytes))
 	if err != nil {
-		return fmt.Errorf("failed to setup base OS layer: %s", err)
+		return errors.Wrap(err, "failed to setup base OS layer")
 	}
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/errors.go

@@ -230,6 +230,18 @@ func IsNotSupported(err error) bool {
 	return hcs.IsNotSupported(getInnerError(err))
 }
 
+// IsOperationInvalidState returns true when err is caused by
+// `ErrVmcomputeOperationInvalidState`.
+func IsOperationInvalidState(err error) bool {
+	return hcs.IsOperationInvalidState(getInnerError(err))
+}
+
+// IsAccessIsDenied returns true when err is caused by
+// `ErrVmcomputeOperationAccessIsDenied`.
+func IsAccessIsDenied(err error) bool {
+	return hcs.IsAccessIsDenied(getInnerError(err))
+}
+
 func getInnerError(err error) error {
 	switch pe := err.(type) {
 	case nil:

vendor/github.com/Microsoft/hcsshim/go.mod

@@ -3,33 +3,20 @@ module github.com/Microsoft/hcsshim
 go 1.13
 
 require (
-	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
-	github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448 // indirect
-	github.com/containerd/go-runc v0.0.0-20180907222934-5a6d9f37cfa3
-	github.com/containerd/ttrpc v0.0.0-20190828154514-0e0f228740de
-	github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd
-	github.com/gogo/protobuf v1.3.1
-	github.com/golang/protobuf v1.3.2 // indirect
-	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 v1.0.2
+	github.com/Microsoft/go-winio v0.4.17-0.20210211115548-6eac466e5fa3
+	github.com/containerd/cgroups v0.0.0-20200824123100-0b889c03f102
+	github.com/containerd/console v1.0.1
+	github.com/containerd/containerd v1.5.0-beta.1
+	github.com/containerd/go-runc v0.0.0-20200220073739-7016d3ce2328
+	github.com/containerd/ttrpc v1.0.2
+	github.com/containerd/typeurl v1.0.1
+	github.com/gogo/protobuf v1.3.2
+	github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
 	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/sirupsen/logrus v1.7.0
 	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 v0.0.0-20201201145000-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
-	gopkg.in/yaml.v2 v2.2.8 // indirect
-	gotest.tools v2.2.0+incompatible // indirect
+	go.opencensus.io v0.22.3
+	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
+	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
+	google.golang.org/grpc v1.30.0
 )

vendor/github.com/Microsoft/hcsshim/go.sum

@@ -1,161 +1,866 @@
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+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
+gotest.tools/v3 v3.0.2 h1:kG1BFyqVHuQoVQiR1bWGnfz/fmHvvuiSPIV7rvl360E=
+gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+k8s.io/api v0.20.1/go.mod h1:KqwcCVogGxQY3nBlRpwt+wpAMF/KjaCc7RpywacvqUo=
+k8s.io/apimachinery v0.20.1/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU=
+k8s.io/apiserver v0.20.1/go.mod h1:ro5QHeQkgMS7ZGpvf4tSMx6bBOgPfE+f52KwvXfScaU=
+k8s.io/client-go v0.20.1/go.mod h1:/zcHdt1TeWSd5HoUe6elJmHSQ6uLLgp4bIJHVEuy+/Y=
+k8s.io/component-base v0.20.1/go.mod h1:guxkoJnNoh8LNrbtiQOlyp2Y2XFCZQmrcg2n/DeYNLk=
+k8s.io/cri-api v0.17.3/go.mod h1:X1sbHmuXhwaHs9xxYffLqJogVsnI+f6cPRcgPel7ywM=
+k8s.io/cri-api v0.20.1/go.mod h1:2JRbKt+BFLTjtrILYVqQK5jqhI+XNdF6UiGMgczeBCI=
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+k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
+k8s.io/klog/v2 v2.4.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
+k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd/go.mod h1:WOJ3KddDSol4tAGcJo0Tvi+dK12EcqSLqcWsryKMpfM=
+k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
+k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.14/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg=
+sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

vendor/github.com/Microsoft/hcsshim/internal/cow/cow.go

@@ -80,4 +80,6 @@ type Container interface {
 	// container to be terminated by some error condition (including calling
 	// Close).
 	Wait() error
+	// Modify sends a request to modify container resources
+	Modify(ctx context.Context, config interface{}) error
 }

vendor/github.com/Microsoft/hcsshim/internal/hcs/callback.go

@@ -106,6 +106,7 @@ func newSystemChannels() notificationChannels {
 		hcsNotificationSystemStartCompleted,
 		hcsNotificationSystemPauseCompleted,
 		hcsNotificationSystemResumeCompleted,
+		hcsNotificationSystemSaveCompleted,
 	} {
 		channels[notif] = make(notificationChannel, 1)
 	}

vendor/github.com/Microsoft/hcsshim/internal/hcs/errors.go

@@ -312,6 +312,13 @@ func IsOperationInvalidState(err error) bool {
 	return err == ErrVmcomputeOperationInvalidState
 }
 
+// IsAccessIsDenied returns true when err is caused by
+// `ErrVmcomputeOperationAccessIsDenied`.
+func IsAccessIsDenied(err error) bool {
+	err = getInnerError(err)
+	return err == ErrVmcomputeOperationAccessIsDenied
+}
+
 func getInnerError(err error) error {
 	switch pe := err.(type) {
 	case nil:

vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go

@@ -407,6 +407,38 @@ func (computeSystem *System) Resume(ctx context.Context) (err error) {
 	return nil
 }
 
+// Save the compute system
+func (computeSystem *System) Save(ctx context.Context, options interface{}) (err error) {
+	operation := "hcsshim::System::Save"
+
+	// hcsSaveComputeSystemContext is an async peration. Start the outer span
+	// here to measure the full save time.
+	ctx, span := trace.StartSpan(ctx, operation)
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("cid", computeSystem.id))
+
+	saveOptions, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	computeSystem.handleLock.RLock()
+	defer computeSystem.handleLock.RUnlock()
+
+	if computeSystem.handle == 0 {
+		return makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
+	}
+
+	result, err := vmcompute.HcsSaveComputeSystem(ctx, computeSystem.handle, string(saveOptions))
+	events, err := processAsyncHcsResult(ctx, err, result, computeSystem.callbackNumber, hcsNotificationSystemSaveCompleted, &timeout.SystemSave)
+	if err != nil {
+		return makeSystemError(computeSystem, operation, "", err, events)
+	}
+
+	return nil
+}
+
 func (computeSystem *System) createProcess(ctx context.Context, operation string, c interface{}) (*Process, *vmcompute.HcsProcessInformation, error) {
 	computeSystem.handleLock.RLock()
 	defer computeSystem.handleLock.RUnlock()

vendor/github.com/Microsoft/hcsshim/internal/safefile/safeopen.go

@@ -76,7 +76,7 @@ func openRelativeInternal(path string, root *os.File, accessMask uint32, shareFl
 	}
 
 	oa.Length = unsafe.Sizeof(oa)
-	oa.ObjectName = uintptr(unsafe.Pointer(pathUnicode))
+	oa.ObjectName = pathUnicode
 	oa.RootDirectory = uintptr(root.Fd())
 	oa.Attributes = winapi.OBJ_DONT_REPARSE
 	status := winapi.NtCreateFile(
@@ -177,7 +177,7 @@ func LinkRelative(oldname string, oldroot *os.File, newname string, newroot *os.
 	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)
+	copy(winapi.Uint16BufferToSlice(&linkinfo.FileName[0], len(newbase16)), newbase16)
 
 	var iosb winapi.IOStatusBlock
 	status := winapi.NtSetInformationFile(

vendor/github.com/Microsoft/hcsshim/internal/schema1/schema1.go

@@ -218,6 +218,7 @@ type GuestDefinedCapabilities struct {
 	SignalProcessSupported        bool `json:",omitempty"`
 	DumpStacksSupported           bool `json:",omitempty"`
 	DeleteContainerStateSupported bool `json:",omitempty"`
+	UpdateContainerSupported      bool `json:",omitempty"`
 }
 
 // GuestConnectionInfo is the structure of an iterm return by a GuestConnection call on a utility VM

vendor/github.com/Microsoft/hcsshim/internal/timeout/timeout.go

@@ -29,6 +29,9 @@ var (
 	// SystemResume is the timeout for resuming a compute system
 	SystemResume time.Duration = defaultTimeout
 
+	// SystemSave is the timeout for saving a compute system
+	SystemSave time.Duration = defaultTimeout
+
 	// SyscallWatcher is the timeout before warning of a potential stuck platform syscall.
 	SyscallWatcher time.Duration = defaultTimeout
 
@@ -51,6 +54,7 @@ func init() {
 	SystemStart = durationFromEnvironment("HCSSHIM_TIMEOUT_SYSTEMSTART", SystemStart)
 	SystemPause = durationFromEnvironment("HCSSHIM_TIMEOUT_SYSTEMPAUSE", SystemPause)
 	SystemResume = durationFromEnvironment("HCSSHIM_TIMEOUT_SYSTEMRESUME", SystemResume)
+	SystemSave = durationFromEnvironment("HCSSHIM_TIMEOUT_SYSTEMSAVE", SystemSave)
 	SyscallWatcher = durationFromEnvironment("HCSSHIM_TIMEOUT_SYSCALLWATCHER", SyscallWatcher)
 	Tar2VHD = durationFromEnvironment("HCSSHIM_TIMEOUT_TAR2VHD", Tar2VHD)
 	ExternalCommandToStart = durationFromEnvironment("HCSSHIM_TIMEOUT_EXTERNALCOMMANDSTART", ExternalCommandToStart)

vendor/github.com/Microsoft/hcsshim/internal/vmcompute/vmcompute.go

@@ -29,6 +29,7 @@ import (
 //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?
+//sys hcsSaveComputeSystem(computeSystem HcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsSaveComputeSystem?
 
 //sys hcsCreateProcess(computeSystem HcsSystem, processParameters string, processInformation *HcsProcessInformation, process *HcsProcess, result **uint16) (hr error) = vmcompute.HcsCreateProcess?
 //sys hcsOpenProcess(computeSystem HcsSystem, pid uint32, process *HcsProcess, result **uint16) (hr error) = vmcompute.HcsOpenProcess?
@@ -585,3 +586,25 @@ func HcsUnregisterProcessCallback(ctx gcontext.Context, callbackHandle HcsCallba
 		return hcsUnregisterProcessCallback(callbackHandle)
 	})
 }
+
+func HcsSaveComputeSystem(ctx gcontext.Context, computeSystem HcsSystem, options string) (result string, hr error) {
+	ctx, span := trace.StartSpan(ctx, "HcsSaveComputeSystem")
+	defer span.End()
+	defer func() {
+		if result != "" {
+			span.AddAttributes(trace.StringAttribute("result", result))
+		}
+		if hr != errVmcomputeOperationPending {
+			oc.SetSpanStatus(span, hr)
+		}
+	}()
+
+	return result, execute(ctx, timeout.SyscallWatcher, func() error {
+		var resultp *uint16
+		err := hcsSaveComputeSystem(computeSystem, options, &resultp)
+		if resultp != nil {
+			result = interop.ConvertAndFreeCoTaskMemString(resultp)
+		}
+		return err
+	})
+}

vendor/github.com/Microsoft/hcsshim/internal/vmcompute/zsyscall_windows.go

@@ -53,6 +53,7 @@ var (
 	procHcsModifyServiceSettings           = modvmcompute.NewProc("HcsModifyServiceSettings")
 	procHcsRegisterComputeSystemCallback   = modvmcompute.NewProc("HcsRegisterComputeSystemCallback")
 	procHcsUnregisterComputeSystemCallback = modvmcompute.NewProc("HcsUnregisterComputeSystemCallback")
+	procHcsSaveComputeSystem               = modvmcompute.NewProc("HcsSaveComputeSystem")
 	procHcsCreateProcess                   = modvmcompute.NewProc("HcsCreateProcess")
 	procHcsOpenProcess                     = modvmcompute.NewProc("HcsOpenProcess")
 	procHcsCloseProcess                    = modvmcompute.NewProc("HcsCloseProcess")
@@ -366,6 +367,29 @@ func hcsUnregisterComputeSystemCallback(callbackHandle HcsCallback) (hr error) {
 	return
 }
 
+func hcsSaveComputeSystem(computeSystem HcsSystem, options string, result **uint16) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSaveComputeSystem(computeSystem, _p0, result)
+}
+
+func _hcsSaveComputeSystem(computeSystem HcsSystem, options *uint16, result **uint16) (hr error) {
+	if hr = procHcsSaveComputeSystem.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSaveComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
 func hcsCreateProcess(computeSystem HcsSystem, processParameters string, processInformation *HcsProcessInformation, process *HcsProcess, result **uint16) (hr error) {
 	var _p0 *uint16
 	_p0, hr = syscall.UTF16PtrFromString(processParameters)

vendor/github.com/Microsoft/hcsshim/internal/winapi/filesystem.go

@@ -79,7 +79,7 @@ type IOStatusBlock struct {
 type ObjectAttributes struct {
 	Length             uintptr
 	RootDirectory      uintptr
-	ObjectName         uintptr
+	ObjectName         *UnicodeString
 	Attributes         uintptr
 	SecurityDescriptor uintptr
 	SecurityQoS        uintptr

vendor/github.com/Microsoft/hcsshim/internal/winapi/jobobject.go

@@ -21,6 +21,11 @@ const (
 	JOB_OBJECT_MSG_NOTIFICATION_LIMIT    uint32 = 11
 )
 
+// Access rights for creating or opening job objects.
+//
+// https://docs.microsoft.com/en-us/windows/win32/procthread/job-object-security-and-access-rights
+const JOB_OBJECT_ALL_ACCESS = 0x1F001F
+
 // IO limit flags
 //
 // https://docs.microsoft.com/en-us/windows/win32/api/jobapi2/ns-jobapi2-jobobject_io_rate_control_information
@@ -183,3 +188,28 @@ type JOBOBJECT_ASSOCIATE_COMPLETION_PORT struct {
 // );
 //
 //sys SetIoRateControlInformationJobObject(jobHandle windows.Handle, ioRateControlInfo *JOBOBJECT_IO_RATE_CONTROL_INFORMATION) (ret uint32, err error) = kernel32.SetIoRateControlInformationJobObject
+
+// DWORD QueryIoRateControlInformationJobObject(
+// 		HANDLE                                hJob,
+// 		PCWSTR                                VolumeName,
+//		JOBOBJECT_IO_RATE_CONTROL_INFORMATION **InfoBlocks,
+// 		ULONG                                 *InfoBlockCount
+// );
+//sys QueryIoRateControlInformationJobObject(jobHandle windows.Handle, volumeName *uint16, ioRateControlInfo **JOBOBJECT_IO_RATE_CONTROL_INFORMATION, infoBlockCount *uint32) (ret uint32, err error) = kernel32.QueryIoRateControlInformationJobObject
+
+// NTSTATUS
+// NtOpenJobObject (
+//     _Out_ PHANDLE JobHandle,
+//     _In_ ACCESS_MASK DesiredAccess,
+//     _In_ POBJECT_ATTRIBUTES ObjectAttributes
+// );
+//sys NtOpenJobObject(jobHandle *windows.Handle, desiredAccess uint32, objAttributes *ObjectAttributes) (status uint32) = ntdll.NtOpenJobObject
+
+// NTSTATUS
+// NTAPI
+// NtCreateJobObject (
+//     _Out_ PHANDLE JobHandle,
+//     _In_ ACCESS_MASK DesiredAccess,
+//     _In_opt_ POBJECT_ATTRIBUTES ObjectAttributes
+// );
+//sys NtCreateJobObject(jobHandle *windows.Handle, desiredAccess uint32, objAttributes *ObjectAttributes) (status uint32) = ntdll.NtCreateJobObject

vendor/github.com/Microsoft/hcsshim/internal/winapi/utils.go

@@ -2,11 +2,24 @@ package winapi
 
 import (
 	"errors"
+	"reflect"
 	"syscall"
-	"unicode/utf16"
 	"unsafe"
+
+	"golang.org/x/sys/windows"
 )
 
+// Uint16BufferToSlice wraps a uint16 pointer-and-length into a slice
+// for easier interop with Go APIs
+func Uint16BufferToSlice(buffer *uint16, bufferLength int) (result []uint16) {
+	hdr := (*reflect.SliceHeader)(unsafe.Pointer(&result))
+	hdr.Data = uintptr(unsafe.Pointer(buffer))
+	hdr.Cap = bufferLength
+	hdr.Len = bufferLength
+
+	return
+}
+
 type UnicodeString struct {
 	Length        uint16
 	MaximumLength uint16
@@ -15,28 +28,30 @@ type UnicodeString struct {
 
 //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])
+	return syscall.UTF16ToString(Uint16BufferToSlice(uni.Buffer, int(uni.Length/2)))
 }
 
 // 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 {
+	// Get length of original `s` to use in the UnicodeString since the `buf`
+	// created later will have an additional trailing null character
+	length := len(s)
+	if length > 32767 {
 		return nil, syscall.ENAMETOOLONG
 	}
 
-	uni := &UnicodeString{
-		Length:        uint16(len(ws) * 2),
-		MaximumLength: uint16(len(ws) * 2),
-		Buffer:        &make([]uint16, len(ws))[0],
+	buf, err := windows.UTF16FromString(s)
+	if err != nil {
+		return nil, err
+	}
+	uni := &UnicodeString{
+		Length:        uint16(length * 2),
+		MaximumLength: uint16(length * 2),
+		Buffer:        &buf[0],
 	}
-	copy((*[32768]uint16)(unsafe.Pointer(uni.Buffer))[:], ws)
 	return uni, nil
 }
 

vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go

@@ -39,31 +39,34 @@ func errnoErr(e syscall.Errno) error {
 var (
 	modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
 	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+	modntdll    = windows.NewLazySystemDLL("ntdll.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")
+	procSetJobCompartmentId                    = modiphlpapi.NewProc("SetJobCompartmentId")
+	procGetQueuedCompletionStatus              = modkernel32.NewProc("GetQueuedCompletionStatus")
+	procIsProcessInJob                         = modkernel32.NewProc("IsProcessInJob")
+	procQueryInformationJobObject              = modkernel32.NewProc("QueryInformationJobObject")
+	procOpenJobObjectW                         = modkernel32.NewProc("OpenJobObjectW")
+	procSetIoRateControlInformationJobObject   = modkernel32.NewProc("SetIoRateControlInformationJobObject")
+	procQueryIoRateControlInformationJobObject = modkernel32.NewProc("QueryIoRateControlInformationJobObject")
+	procNtOpenJobObject                        = modntdll.NewProc("NtOpenJobObject")
+	procNtCreateJobObject                      = modntdll.NewProc("NtCreateJobObject")
+	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) {
@@ -74,6 +77,18 @@ func SetJobCompartmentId(handle windows.Handle, compartmentId uint32) (win32Err
 	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 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 {
@@ -130,9 +145,10 @@ func SetIoRateControlInformationJobObject(jobHandle windows.Handle, ioRateContro
 	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 {
+func QueryIoRateControlInformationJobObject(jobHandle windows.Handle, volumeName *uint16, ioRateControlInfo **JOBOBJECT_IO_RATE_CONTROL_INFORMATION, infoBlockCount *uint32) (ret uint32, err error) {
+	r0, _, e1 := syscall.Syscall6(procQueryIoRateControlInformationJobObject.Addr(), 4, uintptr(jobHandle), uintptr(unsafe.Pointer(volumeName)), uintptr(unsafe.Pointer(ioRateControlInfo)), uintptr(unsafe.Pointer(infoBlockCount)), 0, 0)
+	ret = uint32(r0)
+	if ret == 0 {
 		if e1 != 0 {
 			err = errnoErr(e1)
 		} else {
@@ -142,6 +158,18 @@ func GetQueuedCompletionStatus(cphandle windows.Handle, qty *uint32, key *uintpt
 	return
 }
 
+func NtOpenJobObject(jobHandle *windows.Handle, desiredAccess uint32, objAttributes *ObjectAttributes) (status uint32) {
+	r0, _, _ := syscall.Syscall(procNtOpenJobObject.Addr(), 3, uintptr(unsafe.Pointer(jobHandle)), uintptr(desiredAccess), uintptr(unsafe.Pointer(objAttributes)))
+	status = uint32(r0)
+	return
+}
+
+func NtCreateJobObject(jobHandle *windows.Handle, desiredAccess uint32, objAttributes *ObjectAttributes) (status uint32) {
+	r0, _, _ := syscall.Syscall(procNtCreateJobObject.Addr(), 3, uintptr(unsafe.Pointer(jobHandle)), uintptr(desiredAccess), uintptr(unsafe.Pointer(objAttributes)))
+	status = uint32(r0)
+	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)

vendor/github.com/cespare/xxhash/v2/.travis.yml

@@ -0,0 +1,8 @@
+language: go
+go:
+  - "1.x"
+  - master
+env:
+  - TAGS=""
+  - TAGS="-tags purego"
+script: go test $TAGS -v ./...

vendor/github.com/cespare/xxhash/v2/LICENSE.txt

@@ -0,0 +1,22 @@
+Copyright (c) 2016 Caleb Spare
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

vendor/github.com/cespare/xxhash/v2/README.md

@@ -0,0 +1,67 @@
+# xxhash
+
+[![GoDoc](https://godoc.org/github.com/cespare/xxhash?status.svg)](https://godoc.org/github.com/cespare/xxhash)
+[![Build Status](https://travis-ci.org/cespare/xxhash.svg?branch=master)](https://travis-ci.org/cespare/xxhash)
+
+xxhash is a Go implementation of the 64-bit
+[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
+high-quality hashing algorithm that is much faster than anything in the Go
+standard library.
+
+This package provides a straightforward API:
+
+```
+func Sum64(b []byte) uint64
+func Sum64String(s string) uint64
+type Digest struct{ ... }
+    func New() *Digest
+```
+
+The `Digest` type implements hash.Hash64. Its key methods are:
+
+```
+func (*Digest) Write([]byte) (int, error)
+func (*Digest) WriteString(string) (int, error)
+func (*Digest) Sum64() uint64
+```
+
+This implementation provides a fast pure-Go implementation and an even faster
+assembly implementation for amd64.
+
+## Compatibility
+
+This package is in a module and the latest code is in version 2 of the module.
+You need a version of Go with at least "minimal module compatibility" to use
+github.com/cespare/xxhash/v2:
+
+* 1.9.7+ for Go 1.9
+* 1.10.3+ for Go 1.10
+* Go 1.11 or later
+
+I recommend using the latest release of Go.
+
+## Benchmarks
+
+Here are some quick benchmarks comparing the pure-Go and assembly
+implementations of Sum64.
+
+| input size | purego | asm |
+| --- | --- | --- |
+| 5 B   |  979.66 MB/s |  1291.17 MB/s  |
+| 100 B | 7475.26 MB/s | 7973.40 MB/s  |
+| 4 KB  | 17573.46 MB/s | 17602.65 MB/s |
+| 10 MB | 17131.46 MB/s | 17142.16 MB/s |
+
+These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using
+the following commands under Go 1.11.2:
+
+```
+$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes'
+$ go test -benchtime 10s -bench '/xxhash,direct,bytes'
+```
+
+## Projects using this package
+
+- [InfluxDB](https://github.com/influxdata/influxdb)
+- [Prometheus](https://github.com/prometheus/prometheus)
+- [FreeCache](https://github.com/coocood/freecache)

vendor/github.com/cespare/xxhash/v2/go.mod

@@ -0,0 +1,3 @@
+module github.com/cespare/xxhash/v2
+
+go 1.11

vendor/github.com/cespare/xxhash/v2/xxhash.go

@@ -0,0 +1,236 @@
+// Package xxhash implements the 64-bit variant of xxHash (XXH64) as described
+// at http://cyan4973.github.io/xxHash/.
+package xxhash
+
+import (
+	"encoding/binary"
+	"errors"
+	"math/bits"
+)
+
+const (
+	prime1 uint64 = 11400714785074694791
+	prime2 uint64 = 14029467366897019727
+	prime3 uint64 = 1609587929392839161
+	prime4 uint64 = 9650029242287828579
+	prime5 uint64 = 2870177450012600261
+)
+
+// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where
+// possible in the Go code is worth a small (but measurable) performance boost
+// by avoiding some MOVQs. Vars are needed for the asm and also are useful for
+// convenience in the Go code in a few places where we need to intentionally
+// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the
+// result overflows a uint64).
+var (
+	prime1v = prime1
+	prime2v = prime2
+	prime3v = prime3
+	prime4v = prime4
+	prime5v = prime5
+)
+
+// Digest implements hash.Hash64.
+type Digest struct {
+	v1    uint64
+	v2    uint64
+	v3    uint64
+	v4    uint64
+	total uint64
+	mem   [32]byte
+	n     int // how much of mem is used
+}
+
+// New creates a new Digest that computes the 64-bit xxHash algorithm.
+func New() *Digest {
+	var d Digest
+	d.Reset()
+	return &d
+}
+
+// Reset clears the Digest's state so that it can be reused.
+func (d *Digest) Reset() {
+	d.v1 = prime1v + prime2
+	d.v2 = prime2
+	d.v3 = 0
+	d.v4 = -prime1v
+	d.total = 0
+	d.n = 0
+}
+
+// Size always returns 8 bytes.
+func (d *Digest) Size() int { return 8 }
+
+// BlockSize always returns 32 bytes.
+func (d *Digest) BlockSize() int { return 32 }
+
+// Write adds more data to d. It always returns len(b), nil.
+func (d *Digest) Write(b []byte) (n int, err error) {
+	n = len(b)
+	d.total += uint64(n)
+
+	if d.n+n < 32 {
+		// This new data doesn't even fill the current block.
+		copy(d.mem[d.n:], b)
+		d.n += n
+		return
+	}
+
+	if d.n > 0 {
+		// Finish off the partial block.
+		copy(d.mem[d.n:], b)
+		d.v1 = round(d.v1, u64(d.mem[0:8]))
+		d.v2 = round(d.v2, u64(d.mem[8:16]))
+		d.v3 = round(d.v3, u64(d.mem[16:24]))
+		d.v4 = round(d.v4, u64(d.mem[24:32]))
+		b = b[32-d.n:]
+		d.n = 0
+	}
+
+	if len(b) >= 32 {
+		// One or more full blocks left.
+		nw := writeBlocks(d, b)
+		b = b[nw:]
+	}
+
+	// Store any remaining partial block.
+	copy(d.mem[:], b)
+	d.n = len(b)
+
+	return
+}
+
+// Sum appends the current hash to b and returns the resulting slice.
+func (d *Digest) Sum(b []byte) []byte {
+	s := d.Sum64()
+	return append(
+		b,
+		byte(s>>56),
+		byte(s>>48),
+		byte(s>>40),
+		byte(s>>32),
+		byte(s>>24),
+		byte(s>>16),
+		byte(s>>8),
+		byte(s),
+	)
+}
+
+// Sum64 returns the current hash.
+func (d *Digest) Sum64() uint64 {
+	var h uint64
+
+	if d.total >= 32 {
+		v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4
+		h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
+		h = mergeRound(h, v1)
+		h = mergeRound(h, v2)
+		h = mergeRound(h, v3)
+		h = mergeRound(h, v4)
+	} else {
+		h = d.v3 + prime5
+	}
+
+	h += d.total
+
+	i, end := 0, d.n
+	for ; i+8 <= end; i += 8 {
+		k1 := round(0, u64(d.mem[i:i+8]))
+		h ^= k1
+		h = rol27(h)*prime1 + prime4
+	}
+	if i+4 <= end {
+		h ^= uint64(u32(d.mem[i:i+4])) * prime1
+		h = rol23(h)*prime2 + prime3
+		i += 4
+	}
+	for i < end {
+		h ^= uint64(d.mem[i]) * prime5
+		h = rol11(h) * prime1
+		i++
+	}
+
+	h ^= h >> 33
+	h *= prime2
+	h ^= h >> 29
+	h *= prime3
+	h ^= h >> 32
+
+	return h
+}
+
+const (
+	magic         = "xxh\x06"
+	marshaledSize = len(magic) + 8*5 + 32
+)
+
+// MarshalBinary implements the encoding.BinaryMarshaler interface.
+func (d *Digest) MarshalBinary() ([]byte, error) {
+	b := make([]byte, 0, marshaledSize)
+	b = append(b, magic...)
+	b = appendUint64(b, d.v1)
+	b = appendUint64(b, d.v2)
+	b = appendUint64(b, d.v3)
+	b = appendUint64(b, d.v4)
+	b = appendUint64(b, d.total)
+	b = append(b, d.mem[:d.n]...)
+	b = b[:len(b)+len(d.mem)-d.n]
+	return b, nil
+}
+
+// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
+func (d *Digest) UnmarshalBinary(b []byte) error {
+	if len(b) < len(magic) || string(b[:len(magic)]) != magic {
+		return errors.New("xxhash: invalid hash state identifier")
+	}
+	if len(b) != marshaledSize {
+		return errors.New("xxhash: invalid hash state size")
+	}
+	b = b[len(magic):]
+	b, d.v1 = consumeUint64(b)
+	b, d.v2 = consumeUint64(b)
+	b, d.v3 = consumeUint64(b)
+	b, d.v4 = consumeUint64(b)
+	b, d.total = consumeUint64(b)
+	copy(d.mem[:], b)
+	b = b[len(d.mem):]
+	d.n = int(d.total % uint64(len(d.mem)))
+	return nil
+}
+
+func appendUint64(b []byte, x uint64) []byte {
+	var a [8]byte
+	binary.LittleEndian.PutUint64(a[:], x)
+	return append(b, a[:]...)
+}
+
+func consumeUint64(b []byte) ([]byte, uint64) {
+	x := u64(b)
+	return b[8:], x
+}
+
+func u64(b []byte) uint64 { return binary.LittleEndian.Uint64(b) }
+func u32(b []byte) uint32 { return binary.LittleEndian.Uint32(b) }
+
+func round(acc, input uint64) uint64 {
+	acc += input * prime2
+	acc = rol31(acc)
+	acc *= prime1
+	return acc
+}
+
+func mergeRound(acc, val uint64) uint64 {
+	val = round(0, val)
+	acc ^= val
+	acc = acc*prime1 + prime4
+	return acc
+}
+
+func rol1(x uint64) uint64  { return bits.RotateLeft64(x, 1) }
+func rol7(x uint64) uint64  { return bits.RotateLeft64(x, 7) }
+func rol11(x uint64) uint64 { return bits.RotateLeft64(x, 11) }
+func rol12(x uint64) uint64 { return bits.RotateLeft64(x, 12) }
+func rol18(x uint64) uint64 { return bits.RotateLeft64(x, 18) }
+func rol23(x uint64) uint64 { return bits.RotateLeft64(x, 23) }
+func rol27(x uint64) uint64 { return bits.RotateLeft64(x, 27) }
+func rol31(x uint64) uint64 { return bits.RotateLeft64(x, 31) }

vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go

@@ -0,0 +1,13 @@
+// +build !appengine
+// +build gc
+// +build !purego
+
+package xxhash
+
+// Sum64 computes the 64-bit xxHash digest of b.
+//
+//go:noescape
+func Sum64(b []byte) uint64
+
+//go:noescape
+func writeBlocks(d *Digest, b []byte) int

vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s

@@ -0,0 +1,215 @@
+// +build !appengine
+// +build gc
+// +build !purego
+
+#include "textflag.h"
+
+// Register allocation:
+// AX	h
+// CX	pointer to advance through b
+// DX	n
+// BX	loop end
+// R8	v1, k1
+// R9	v2
+// R10	v3
+// R11	v4
+// R12	tmp
+// R13	prime1v
+// R14	prime2v
+// R15	prime4v
+
+// round reads from and advances the buffer pointer in CX.
+// It assumes that R13 has prime1v and R14 has prime2v.
+#define round(r) \
+	MOVQ  (CX), R12 \
+	ADDQ  $8, CX    \
+	IMULQ R14, R12  \
+	ADDQ  R12, r    \
+	ROLQ  $31, r    \
+	IMULQ R13, r
+
+// mergeRound applies a merge round on the two registers acc and val.
+// It assumes that R13 has prime1v, R14 has prime2v, and R15 has prime4v.
+#define mergeRound(acc, val) \
+	IMULQ R14, val \
+	ROLQ  $31, val \
+	IMULQ R13, val \
+	XORQ  val, acc \
+	IMULQ R13, acc \
+	ADDQ  R15, acc
+
+// func Sum64(b []byte) uint64
+TEXT ·Sum64(SB), NOSPLIT, $0-32
+	// Load fixed primes.
+	MOVQ ·prime1v(SB), R13
+	MOVQ ·prime2v(SB), R14
+	MOVQ ·prime4v(SB), R15
+
+	// Load slice.
+	MOVQ b_base+0(FP), CX
+	MOVQ b_len+8(FP), DX
+	LEAQ (CX)(DX*1), BX
+
+	// The first loop limit will be len(b)-32.
+	SUBQ $32, BX
+
+	// Check whether we have at least one block.
+	CMPQ DX, $32
+	JLT  noBlocks
+
+	// Set up initial state (v1, v2, v3, v4).
+	MOVQ R13, R8
+	ADDQ R14, R8
+	MOVQ R14, R9
+	XORQ R10, R10
+	XORQ R11, R11
+	SUBQ R13, R11
+
+	// Loop until CX > BX.
+blockLoop:
+	round(R8)
+	round(R9)
+	round(R10)
+	round(R11)
+
+	CMPQ CX, BX
+	JLE  blockLoop
+
+	MOVQ R8, AX
+	ROLQ $1, AX
+	MOVQ R9, R12
+	ROLQ $7, R12
+	ADDQ R12, AX
+	MOVQ R10, R12
+	ROLQ $12, R12
+	ADDQ R12, AX
+	MOVQ R11, R12
+	ROLQ $18, R12
+	ADDQ R12, AX
+
+	mergeRound(AX, R8)
+	mergeRound(AX, R9)
+	mergeRound(AX, R10)
+	mergeRound(AX, R11)
+
+	JMP afterBlocks
+
+noBlocks:
+	MOVQ ·prime5v(SB), AX
+
+afterBlocks:
+	ADDQ DX, AX
+
+	// Right now BX has len(b)-32, and we want to loop until CX > len(b)-8.
+	ADDQ $24, BX
+
+	CMPQ CX, BX
+	JG   fourByte
+
+wordLoop:
+	// Calculate k1.
+	MOVQ  (CX), R8
+	ADDQ  $8, CX
+	IMULQ R14, R8
+	ROLQ  $31, R8
+	IMULQ R13, R8
+
+	XORQ  R8, AX
+	ROLQ  $27, AX
+	IMULQ R13, AX
+	ADDQ  R15, AX
+
+	CMPQ CX, BX
+	JLE  wordLoop
+
+fourByte:
+	ADDQ $4, BX
+	CMPQ CX, BX
+	JG   singles
+
+	MOVL  (CX), R8
+	ADDQ  $4, CX
+	IMULQ R13, R8
+	XORQ  R8, AX
+
+	ROLQ  $23, AX
+	IMULQ R14, AX
+	ADDQ  ·prime3v(SB), AX
+
+singles:
+	ADDQ $4, BX
+	CMPQ CX, BX
+	JGE  finalize
+
+singlesLoop:
+	MOVBQZX (CX), R12
+	ADDQ    $1, CX
+	IMULQ   ·prime5v(SB), R12
+	XORQ    R12, AX
+
+	ROLQ  $11, AX
+	IMULQ R13, AX
+
+	CMPQ CX, BX
+	JL   singlesLoop
+
+finalize:
+	MOVQ  AX, R12
+	SHRQ  $33, R12
+	XORQ  R12, AX
+	IMULQ R14, AX
+	MOVQ  AX, R12
+	SHRQ  $29, R12
+	XORQ  R12, AX
+	IMULQ ·prime3v(SB), AX
+	MOVQ  AX, R12
+	SHRQ  $32, R12
+	XORQ  R12, AX
+
+	MOVQ AX, ret+24(FP)
+	RET
+
+// writeBlocks uses the same registers as above except that it uses AX to store
+// the d pointer.
+
+// func writeBlocks(d *Digest, b []byte) int
+TEXT ·writeBlocks(SB), NOSPLIT, $0-40
+	// Load fixed primes needed for round.
+	MOVQ ·prime1v(SB), R13
+	MOVQ ·prime2v(SB), R14
+
+	// Load slice.
+	MOVQ b_base+8(FP), CX
+	MOVQ b_len+16(FP), DX
+	LEAQ (CX)(DX*1), BX
+	SUBQ $32, BX
+
+	// Load vN from d.
+	MOVQ d+0(FP), AX
+	MOVQ 0(AX), R8   // v1
+	MOVQ 8(AX), R9   // v2
+	MOVQ 16(AX), R10 // v3
+	MOVQ 24(AX), R11 // v4
+
+	// We don't need to check the loop condition here; this function is
+	// always called with at least one block of data to process.
+blockLoop:
+	round(R8)
+	round(R9)
+	round(R10)
+	round(R11)
+
+	CMPQ CX, BX
+	JLE  blockLoop
+
+	// Copy vN back to d.
+	MOVQ R8, 0(AX)
+	MOVQ R9, 8(AX)
+	MOVQ R10, 16(AX)
+	MOVQ R11, 24(AX)
+
+	// The number of bytes written is CX minus the old base pointer.
+	SUBQ b_base+8(FP), CX
+	MOVQ CX, ret+32(FP)
+
+	RET

vendor/github.com/cespare/xxhash/v2/xxhash_other.go

@@ -0,0 +1,76 @@
+// +build !amd64 appengine !gc purego
+
+package xxhash
+
+// Sum64 computes the 64-bit xxHash digest of b.
+func Sum64(b []byte) uint64 {
+	// A simpler version would be
+	//   d := New()
+	//   d.Write(b)
+	//   return d.Sum64()
+	// but this is faster, particularly for small inputs.
+
+	n := len(b)
+	var h uint64
+
+	if n >= 32 {
+		v1 := prime1v + prime2
+		v2 := prime2
+		v3 := uint64(0)
+		v4 := -prime1v
+		for len(b) >= 32 {
+			v1 = round(v1, u64(b[0:8:len(b)]))
+			v2 = round(v2, u64(b[8:16:len(b)]))
+			v3 = round(v3, u64(b[16:24:len(b)]))
+			v4 = round(v4, u64(b[24:32:len(b)]))
+			b = b[32:len(b):len(b)]
+		}
+		h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
+		h = mergeRound(h, v1)
+		h = mergeRound(h, v2)
+		h = mergeRound(h, v3)
+		h = mergeRound(h, v4)
+	} else {
+		h = prime5
+	}
+
+	h += uint64(n)
+
+	i, end := 0, len(b)
+	for ; i+8 <= end; i += 8 {
+		k1 := round(0, u64(b[i:i+8:len(b)]))
+		h ^= k1
+		h = rol27(h)*prime1 + prime4
+	}
+	if i+4 <= end {
+		h ^= uint64(u32(b[i:i+4:len(b)])) * prime1
+		h = rol23(h)*prime2 + prime3
+		i += 4
+	}
+	for ; i < end; i++ {
+		h ^= uint64(b[i]) * prime5
+		h = rol11(h) * prime1
+	}
+
+	h ^= h >> 33
+	h *= prime2
+	h ^= h >> 29
+	h *= prime3
+	h ^= h >> 32
+
+	return h
+}
+
+func writeBlocks(d *Digest, b []byte) int {
+	v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4
+	n := len(b)
+	for len(b) >= 32 {
+		v1 = round(v1, u64(b[0:8:len(b)]))
+		v2 = round(v2, u64(b[8:16:len(b)]))
+		v3 = round(v3, u64(b[16:24:len(b)]))
+		v4 = round(v4, u64(b[24:32:len(b)]))
+		b = b[32:len(b):len(b)]
+	}
+	d.v1, d.v2, d.v3, d.v4 = v1, v2, v3, v4
+	return n - len(b)
+}

vendor/github.com/cespare/xxhash/v2/xxhash_safe.go

@@ -0,0 +1,15 @@
+// +build appengine
+
+// This file contains the safe implementations of otherwise unsafe-using code.
+
+package xxhash
+
+// Sum64String computes the 64-bit xxHash digest of s.
+func Sum64String(s string) uint64 {
+	return Sum64([]byte(s))
+}
+
+// WriteString adds more data to d. It always returns len(s), nil.
+func (d *Digest) WriteString(s string) (n int, err error) {
+	return d.Write([]byte(s))
+}

vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go

@@ -0,0 +1,46 @@
+// +build !appengine
+
+// This file encapsulates usage of unsafe.
+// xxhash_safe.go contains the safe implementations.
+
+package xxhash
+
+import (
+	"reflect"
+	"unsafe"
+)
+
+// Notes:
+//
+// See https://groups.google.com/d/msg/golang-nuts/dcjzJy-bSpw/tcZYBzQqAQAJ
+// for some discussion about these unsafe conversions.
+//
+// In the future it's possible that compiler optimizations will make these
+// unsafe operations unnecessary: https://golang.org/issue/2205.
+//
+// Both of these wrapper functions still incur function call overhead since they
+// will not be inlined. We could write Go/asm copies of Sum64 and Digest.Write
+// for strings to squeeze out a bit more speed. Mid-stack inlining should
+// eventually fix this.
+
+// Sum64String computes the 64-bit xxHash digest of s.
+// It may be faster than Sum64([]byte(s)) by avoiding a copy.
+func Sum64String(s string) uint64 {
+	var b []byte
+	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
+	bh.Len = len(s)
+	bh.Cap = len(s)
+	return Sum64(b)
+}
+
+// WriteString adds more data to d. It always returns len(s), nil.
+// It may be faster than Write([]byte(s)) by avoiding a copy.
+func (d *Digest) WriteString(s string) (n int, err error) {
+	var b []byte
+	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
+	bh.Len = len(s)
+	bh.Cap = len(s)
+	return d.Write(b)
+}

vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.go

@@ -33,6 +33,7 @@ type Metrics struct {
 	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"`
+	MemoryOomControl     *MemoryOomControl `protobuf:"bytes,9,opt,name=memory_oom_control,json=MemoryOomControl,proto3" json:"memory_oom_control,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
 	XXX_unrecognized     []byte         `json:"-"`
 	XXX_sizecache        int32          `json:"-"`
@@ -392,6 +393,47 @@ func (m *MemoryEntry) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MemoryEntry proto.InternalMessageInfo
 
+type MemoryOomControl struct {
+	OomKillDisable   uint64   `protobuf:"varint,1,opt,name=oom_kill_disable,proto3" json:oom_kill_disable",omitempty"`
+	UnderOom         uint64   `protobuf:"varint,2,opt,name=under_oom,proto3" json:"under_oom,omitempty"`
+	OomKill          uint64   `protobuf:"varint,3,opt,name=oom_kill,proto3" json:"oom_kill,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *MemoryOomControl) Reset()  { *m = MemoryOomControl{} }
+func (*MemoryOomControl) ProtoMessage() {}
+func (*MemoryOomControl) Descriptor() ([]byte, []int) {
+	return fileDescriptor_a17b2d87c332bfaa, []int{8}
+}
+func (m *MemoryOomControl) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MemoryOomControl) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MemoryOomControl.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 *MemoryOomControl) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MemoryOomControl.Merge(m, src)
+}
+func (m *MemoryOomControl) XXX_Size() int {
+	return m.Size()
+}
+func (m *MemoryOomControl) XXX_DiscardUnknown() {
+	xxx_messageInfo_MemoryOomControl.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MemoryOomControl proto.InternalMessageInfo
+
 type BlkIOStat struct {
 	IoServiceBytesRecursive []*BlkIOEntry `protobuf:"bytes,1,rep,name=io_service_bytes_recursive,json=ioServiceBytesRecursive,proto3" json:"io_service_bytes_recursive,omitempty"`
 	IoServicedRecursive     []*BlkIOEntry `protobuf:"bytes,2,rep,name=io_serviced_recursive,json=ioServicedRecursive,proto3" json:"io_serviced_recursive,omitempty"`
@@ -409,7 +451,7 @@ type BlkIOStat struct {
 func (m *BlkIOStat) Reset()      { *m = BlkIOStat{} }
 func (*BlkIOStat) ProtoMessage() {}
 func (*BlkIOStat) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a17b2d87c332bfaa, []int{8}
+	return fileDescriptor_a17b2d87c332bfaa, []int{9}
 }
 func (m *BlkIOStat) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -452,7 +494,7 @@ type BlkIOEntry struct {
 func (m *BlkIOEntry) Reset()      { *m = BlkIOEntry{} }
 func (*BlkIOEntry) ProtoMessage() {}
 func (*BlkIOEntry) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a17b2d87c332bfaa, []int{9}
+	return fileDescriptor_a17b2d87c332bfaa, []int{10}
 }
 func (m *BlkIOEntry) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -492,7 +534,7 @@ type RdmaStat struct {
 func (m *RdmaStat) Reset()      { *m = RdmaStat{} }
 func (*RdmaStat) ProtoMessage() {}
 func (*RdmaStat) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a17b2d87c332bfaa, []int{10}
+	return fileDescriptor_a17b2d87c332bfaa, []int{11}
 }
 func (m *RdmaStat) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -533,7 +575,7 @@ type RdmaEntry struct {
 func (m *RdmaEntry) Reset()      { *m = RdmaEntry{} }
 func (*RdmaEntry) ProtoMessage() {}
 func (*RdmaEntry) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a17b2d87c332bfaa, []int{11}
+	return fileDescriptor_a17b2d87c332bfaa, []int{12}
 }
 func (m *RdmaEntry) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -580,7 +622,7 @@ type NetworkStat struct {
 func (m *NetworkStat) Reset()      { *m = NetworkStat{} }
 func (*NetworkStat) ProtoMessage() {}
 func (*NetworkStat) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a17b2d87c332bfaa, []int{12}
+	return fileDescriptor_a17b2d87c332bfaa, []int{13}
 }
 func (m *NetworkStat) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -629,7 +671,7 @@ type CgroupStats struct {
 func (m *CgroupStats) Reset()      { *m = CgroupStats{} }
 func (*CgroupStats) ProtoMessage() {}
 func (*CgroupStats) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a17b2d87c332bfaa, []int{13}
+	return fileDescriptor_a17b2d87c332bfaa, []int{14}
 }
 func (m *CgroupStats) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -667,6 +709,7 @@ func init() {
 	proto.RegisterType((*Throttle)(nil), "io.containerd.cgroups.v1.Throttle")
 	proto.RegisterType((*MemoryStat)(nil), "io.containerd.cgroups.v1.MemoryStat")
 	proto.RegisterType((*MemoryEntry)(nil), "io.containerd.cgroups.v1.MemoryEntry")
+	proto.RegisterType((*MemoryOomControl)(nil), "io.containerd.cgroups.v1.MemoryOomControl")
 	proto.RegisterType((*BlkIOStat)(nil), "io.containerd.cgroups.v1.BlkIOStat")
 	proto.RegisterType((*BlkIOEntry)(nil), "io.containerd.cgroups.v1.BlkIOEntry")
 	proto.RegisterType((*RdmaStat)(nil), "io.containerd.cgroups.v1.RdmaStat")
@@ -887,6 +930,16 @@ func (m *Metrics) MarshalTo(dAtA []byte) (int, error) {
 		}
 		i += n6
 	}
+	if m.MemoryOomControl != nil {
+		dAtA[i] = 0x4a
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.MemoryOomControl.Size()))
+		n7, err := m.MemoryOomControl.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n7
+	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
 	}
@@ -1400,6 +1453,39 @@ func (m *MemoryEntry) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *MemoryOomControl) 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 *MemoryOomControl) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.OomKillDisable != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.OomKillDisable))
+	}
+	if m.UnderOom != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.UnderOom))
+	}
+	if m.OomKill != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.OomKill))
+	}
+	return i, nil
+}
+
 func (m *BlkIOStat) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1811,6 +1897,10 @@ func (m *Metrics) Size() (n int) {
 		l = m.CgroupStats.Size()
 		n += 1 + l + sovMetrics(uint64(l))
 	}
+	if m.MemoryOomControl != nil {
+		l = m.MemoryOomControl.Size()
+		n += 1 + l + sovMetrics(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -2077,6 +2167,27 @@ func (m *MemoryEntry) Size() (n int) {
 	return n
 }
 
+func (m *MemoryOomControl) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.OomKillDisable != 0 {
+		n += 1 + sovMetrics(uint64(m.OomKillDisable))
+	}
+	if m.UnderOom != 0 {
+		n += 1 + sovMetrics(uint64(m.UnderOom))
+	}
+	if m.OomKill != 0 {
+		n += 1 + sovMetrics(uint64(m.OomKill))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
 func (m *BlkIOStat) Size() (n int) {
 	if m == nil {
 		return 0
@@ -2301,6 +2412,7 @@ func (this *Metrics) String() string {
 		`Pids:` + strings.Replace(fmt.Sprintf("%v", this.Pids), "PidsStat", "PidsStat", 1) + `,`,
 		`CPU:` + strings.Replace(fmt.Sprintf("%v", this.CPU), "CPUStat", "CPUStat", 1) + `,`,
 		`Memory:` + strings.Replace(fmt.Sprintf("%v", this.Memory), "MemoryStat", "MemoryStat", 1) + `,`,
+		`MemoryOomControl:` + strings.Replace(fmt.Sprintf("%v", this.MemoryOomControl), "MemoryOomControl", "MemoryOomControl", 1) + `,`,
 		`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) + `,`,
@@ -2435,6 +2547,19 @@ func (this *MemoryEntry) String() string {
 	}, "")
 	return s
 }
+func (this *MemoryOomControl) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&MemoryOomControl{`,
+		`OomKillDisable:` + fmt.Sprintf("%v", this.OomKillDisable) + `,`,
+		`UnderOom:` + fmt.Sprintf("%v", this.UnderOom) + `,`,
+		`OomKill:` + fmt.Sprintf("%v", this.OomKill) + `,`,
+		`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *BlkIOStat) String() string {
 	if this == nil {
 		return "nil"
@@ -2848,6 +2973,41 @@ func (m *Metrics) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 9:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MemoryOomControl", 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.MemoryOomControl == nil {
+				m.MemoryOomControl = &MemoryOomControl{}
+			}
+			if err := m.MemoryOomControl.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipMetrics(dAtA[iNdEx:])
@@ -4468,6 +4628,117 @@ func (m *MemoryEntry) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MemoryOomControl) 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: MemoryOomControl: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MemoryOomControl: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OomKillDisable", wireType)
+			}
+			m.OomKillDisable = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.OomKillDisable |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field UnderOom", wireType)
+			}
+			m.UnderOom = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.UnderOom |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OomKill", wireType)
+			}
+			m.OomKill = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.OomKill |= 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 (m *BlkIOStat) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0

vendor/github.com/containerd/cgroups/stats/v1/metrics.pb.txt

@@ -71,6 +71,14 @@ file {
       type_name: ".io.containerd.cgroups.v1.CgroupStats"
       json_name: "cgroupStats"
     }
+    field {
+      name: "memory_oom_control"
+      number: 9
+      label: LABEL_OPTIONAL
+      type: TYPE_MESSAGE
+      type_name: ".io.containerd.cgroups.v1.MemoryOomControl"
+      json_name: "memoryOomControl"
+    }
   }
   message_type {
     name: "HugetlbStat"
@@ -502,6 +510,30 @@ file {
       json_name: "failcnt"
     }
   }
+  message_type {
+    name: "MemoryOomControl"
+    field {
+      name: "oom_kill_disable"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "oom_kill_disable"
+    }
+    field {
+      name: "under_oom"
+      number: 2
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "under_oom"
+    }
+    field {
+      name: "oom_kill"
+      number: 3
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "oom_kill"
+    }
+  }
   message_type {
     name: "BlkIOStat"
     field {

vendor/github.com/containerd/cgroups/stats/v1/metrics.proto

@@ -13,6 +13,7 @@ message Metrics {
 	RdmaStat rdma = 6;
 	repeated NetworkStat network = 7;
 	CgroupStats cgroup_stats = 8;
+	MemoryOomControl memory_oom_control = 9;
 }
 
 message HugetlbStat {
@@ -94,6 +95,12 @@ message MemoryEntry {
 	uint64 failcnt = 4;
 }
 
+message MemoryOomControl {
+	uint64 oom_kill_disable = 1;
+	uint64 under_oom = 2;
+	uint64 oom_kill = 3;
+}
+
 message BlkIOStat {
 	repeated BlkIOEntry io_service_bytes_recursive = 1;
 	repeated BlkIOEntry io_serviced_recursive = 2;

vendor/github.com/containerd/containerd/log/context.go

@@ -37,9 +37,17 @@ type (
 	loggerKey struct{}
 )
 
-// RFC3339NanoFixed is time.RFC3339Nano with nanoseconds padded using zeros to
-// ensure the formatted time is always the same number of characters.
-const RFC3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
+const (
+	// RFC3339NanoFixed is time.RFC3339Nano with nanoseconds padded using zeros to
+	// ensure the formatted time is always the same number of characters.
+	RFC3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
+
+	// TextFormat represents the text logging format
+	TextFormat = "text"
+
+	// JSONFormat represents the JSON logging format
+	JSONFormat = "json"
+)
 
 // WithLogger returns a new context with the provided logger. Use in
 // combination with logger.WithField(s) for great effect.

vendor/github.com/containerd/containerd/platforms/compare.go

@@ -16,7 +16,12 @@
 
 package platforms
 
-import specs "github.com/opencontainers/image-spec/specs-go/v1"
+import (
+	"strconv"
+	"strings"
+
+	specs "github.com/opencontainers/image-spec/specs-go/v1"
+)
 
 // MatchComparer is able to match and compare platforms to
 // filter and sort platforms.
@@ -26,103 +31,70 @@ type MatchComparer interface {
 	Less(specs.Platform, specs.Platform) bool
 }
 
+// platformVector returns an (ordered) vector of appropriate specs.Platform
+// objects to try matching for the given platform object (see platforms.Only).
+func platformVector(platform specs.Platform) []specs.Platform {
+	vector := []specs.Platform{platform}
+
+	switch platform.Architecture {
+	case "amd64":
+		vector = append(vector, specs.Platform{
+			Architecture: "386",
+			OS:           platform.OS,
+			OSVersion:    platform.OSVersion,
+			OSFeatures:   platform.OSFeatures,
+			Variant:      platform.Variant,
+		})
+	case "arm":
+		if armVersion, err := strconv.Atoi(strings.TrimPrefix(platform.Variant, "v")); err == nil && armVersion > 5 {
+			for armVersion--; armVersion >= 5; armVersion-- {
+				vector = append(vector, specs.Platform{
+					Architecture: platform.Architecture,
+					OS:           platform.OS,
+					OSVersion:    platform.OSVersion,
+					OSFeatures:   platform.OSFeatures,
+					Variant:      "v" + strconv.Itoa(armVersion),
+				})
+			}
+		}
+	case "arm64":
+		variant := platform.Variant
+		if variant == "" {
+			variant = "v8"
+		}
+		vector = append(vector, platformVector(specs.Platform{
+			Architecture: "arm",
+			OS:           platform.OS,
+			OSVersion:    platform.OSVersion,
+			OSFeatures:   platform.OSFeatures,
+			Variant:      variant,
+		})...)
+	}
+
+	return vector
+}
+
 // Only returns a match comparer for a single platform
 // using default resolution logic for the platform.
 //
-// For ARMv8, will also match ARMv7, ARMv6 and ARMv5 (for 32bit runtimes)
-// For ARMv7, will also match ARMv6 and ARMv5
-// For ARMv6, will also match ARMv5
+// For arm/v8, will also match arm/v7, arm/v6 and arm/v5
+// For arm/v7, will also match arm/v6 and arm/v5
+// For arm/v6, will also match arm/v5
+// For amd64, will also match 386
 func Only(platform specs.Platform) MatchComparer {
-	platform = Normalize(platform)
-	if platform.Architecture == "arm" {
-		if platform.Variant == "v8" {
-			return orderedPlatformComparer{
-				matchers: []Matcher{
-					&matcher{
-						Platform: platform,
-					},
-					&matcher{
-						Platform: specs.Platform{
-							Architecture: platform.Architecture,
-							OS:           platform.OS,
-							OSVersion:    platform.OSVersion,
-							OSFeatures:   platform.OSFeatures,
-							Variant:      "v7",
-						},
-					},
-					&matcher{
-						Platform: specs.Platform{
-							Architecture: platform.Architecture,
-							OS:           platform.OS,
-							OSVersion:    platform.OSVersion,
-							OSFeatures:   platform.OSFeatures,
-							Variant:      "v6",
-						},
-					},
-					&matcher{
-						Platform: specs.Platform{
-							Architecture: platform.Architecture,
-							OS:           platform.OS,
-							OSVersion:    platform.OSVersion,
-							OSFeatures:   platform.OSFeatures,
-							Variant:      "v5",
-						},
-					},
-				},
-			}
-		}
-		if platform.Variant == "v7" {
-			return orderedPlatformComparer{
-				matchers: []Matcher{
-					&matcher{
-						Platform: platform,
-					},
-					&matcher{
-						Platform: specs.Platform{
-							Architecture: platform.Architecture,
-							OS:           platform.OS,
-							OSVersion:    platform.OSVersion,
-							OSFeatures:   platform.OSFeatures,
-							Variant:      "v6",
-						},
-					},
-					&matcher{
-						Platform: specs.Platform{
-							Architecture: platform.Architecture,
-							OS:           platform.OS,
-							OSVersion:    platform.OSVersion,
-							OSFeatures:   platform.OSFeatures,
-							Variant:      "v5",
-						},
-					},
-				},
-			}
-		}
-		if platform.Variant == "v6" {
-			return orderedPlatformComparer{
-				matchers: []Matcher{
-					&matcher{
-						Platform: platform,
-					},
-					&matcher{
-						Platform: specs.Platform{
-							Architecture: platform.Architecture,
-							OS:           platform.OS,
-							OSVersion:    platform.OSVersion,
-							OSFeatures:   platform.OSFeatures,
-							Variant:      "v5",
-						},
-					},
-				},
-			}
-		}
-	}
+	return Ordered(platformVector(Normalize(platform))...)
+}
 
-	return singlePlatformComparer{
-		Matcher: &matcher{
-			Platform: platform,
-		},
-	}
+// OnlyStrict returns a match comparer for a single platform.
+//
+// Unlike Only, OnlyStrict does not match sub platforms.
+// So, "arm/vN" will not match "arm/vM" where M < N,
+// and "amd64" will not also match "386".
+//
+// OnlyStrict matches non-canonical forms.
+// So, "arm64" matches "arm/64/v8".
+func OnlyStrict(platform specs.Platform) MatchComparer {
+	return Ordered(Normalize(platform))
 }
 
 // Ordered returns a platform MatchComparer which matches any of the platforms
@@ -153,14 +125,6 @@ func Any(platforms ...specs.Platform) MatchComparer {
 // with preference for ordering.
 var All MatchComparer = allPlatformComparer{}
 
-type singlePlatformComparer struct {
-	Matcher
-}
-
-func (c singlePlatformComparer) Less(p1, p2 specs.Platform) bool {
-	return c.Match(p1) && !c.Match(p2)
-}
-
 type orderedPlatformComparer struct {
 	matchers []Matcher
 }

vendor/github.com/containerd/containerd/platforms/cpuinfo.go

@@ -21,6 +21,7 @@ import (
 	"os"
 	"runtime"
 	"strings"
+	"sync"
 
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/log"
@@ -28,14 +29,18 @@ import (
 )
 
 // Present the ARM instruction set architecture, eg: v7, v8
-var cpuVariant string
+// Don't use this value directly; call cpuVariant() instead.
+var cpuVariantValue string
 
-func init() {
-	if isArmArch(runtime.GOARCH) {
-		cpuVariant = getCPUVariant()
-	} else {
-		cpuVariant = ""
-	}
+var cpuVariantOnce sync.Once
+
+func cpuVariant() string {
+	cpuVariantOnce.Do(func() {
+		if isArmArch(runtime.GOARCH) {
+			cpuVariantValue = getCPUVariant()
+		}
+	})
+	return cpuVariantValue
 }
 
 // For Linux, the kernel has already detected the ABI, ISA and Features.
@@ -96,14 +101,18 @@ func getCPUVariant() string {
 		return ""
 	}
 
+	// handle edge case for Raspberry Pi ARMv6 devices (which due to a kernel quirk, report "CPU architecture: 7")
+	// https://www.raspberrypi.org/forums/viewtopic.php?t=12614
+	if runtime.GOARCH == "arm" && variant == "7" {
+		model, err := getCPUInfo("model name")
+		if err == nil && strings.HasPrefix(strings.ToLower(model), "armv6-compatible") {
+			variant = "6"
+		}
+	}
+
 	switch strings.ToLower(variant) {
 	case "8", "aarch64":
-		// special case: if running a 32-bit userspace on aarch64, the variant should be "v7"
-		if runtime.GOARCH == "arm" {
-			variant = "v7"
-		} else {
-			variant = "v8"
-		}
+		variant = "v8"
 	case "7", "7m", "?(12)", "?(13)", "?(14)", "?(15)", "?(16)", "?(17)":
 		variant = "v7"
 	case "6", "6tej":

vendor/github.com/containerd/containerd/platforms/defaults.go

@@ -33,6 +33,11 @@ func DefaultSpec() specs.Platform {
 		OS:           runtime.GOOS,
 		Architecture: runtime.GOARCH,
 		// The Variant field will be empty if arch != ARM.
-		Variant: cpuVariant,
+		Variant: cpuVariant(),
 	}
 }
+
+// DefaultStrict returns strict form of Default.
+func DefaultStrict() MatchComparer {
+	return OnlyStrict(DefaultSpec())
+}

vendor/github.com/containerd/containerd/platforms/defaults_windows.go

@@ -19,6 +19,8 @@
 package platforms
 
 import (
+	"runtime"
+
 	specs "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
@@ -26,6 +28,6 @@ import (
 func Default() MatchComparer {
 	return Ordered(DefaultSpec(), specs.Platform{
 		OS:           "linux",
-		Architecture: "amd64",
+		Architecture: runtime.GOARCH,
 	})
 }

vendor/github.com/containerd/containerd/platforms/platforms.go

@@ -189,8 +189,8 @@ func Parse(specifier string) (specs.Platform, error) {
 		if isKnownOS(p.OS) {
 			// picks a default architecture
 			p.Architecture = runtime.GOARCH
-			if p.Architecture == "arm" && cpuVariant != "v7" {
-				p.Variant = cpuVariant
+			if p.Architecture == "arm" && cpuVariant() != "v7" {
+				p.Variant = cpuVariant()
 			}
 
 			return p, nil

vendor/github.com/containerd/containerd/sys/oom_unix.go

@@ -26,8 +26,12 @@ import (
 	"strings"
 )
 
-// OOMScoreMaxKillable is the maximum score keeping the process killable by the oom killer
-const OOMScoreMaxKillable = -999
+const (
+	// OOMScoreMaxKillable is the maximum score keeping the process killable by the oom killer
+	OOMScoreMaxKillable = -999
+	// OOMScoreAdjMax is from OOM_SCORE_ADJ_MAX https://github.com/torvalds/linux/blob/master/include/uapi/linux/oom.h
+	OOMScoreAdjMax = 1000
+)
 
 // SetOOMScore sets the oom score for the provided pid
 func SetOOMScore(pid, score int) error {

vendor/github.com/containerd/containerd/sys/oom_windows.go

@@ -16,6 +16,11 @@
 
 package sys
 
+const (
+	// OOMScoreAdjMax is not implemented on Windows
+	OOMScoreAdjMax = 0
+)
+
 // SetOOMScore sets the oom score for the process
 //
 // Not implemented on Windows

vendor/github.com/containerd/containerd/sys/stat_bsd.go

@@ -1,4 +1,4 @@
-// +build darwin freebsd
+// +build darwin freebsd netbsd
 
 /*
    Copyright The containerd Authors.

vendor/github.com/containerd/containerd/sys/stat_openbsd.go

@@ -0,0 +1,45 @@
+// +build openbsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package sys
+
+import (
+	"syscall"
+	"time"
+)
+
+// StatAtime returns the Atim
+func StatAtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Atim
+}
+
+// StatCtime returns the Ctim
+func StatCtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Ctim
+}
+
+// StatMtime returns the Mtim
+func StatMtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Mtim
+}
+
+// StatATimeAsTime returns st.Atim as a time.Time
+func StatATimeAsTime(st *syscall.Stat_t) time.Time {
+	// The int64 conversions ensure the line compiles for 32-bit systems as well.
+	return time.Unix(int64(st.Atim.Sec), int64(st.Atim.Nsec)) // nolint: unconvert
+}

vendor/github.com/containerd/continuity/AUTHORS

@@ -1,16 +1,40 @@
 Aaron Lehmann <aaron.lehmann@docker.com>
 Akash Gupta <akagup@microsoft.com>
+Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
 Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
+Akihiro Suda <suda.kyoto@gmail.com>
 Andrew Pennebaker <apennebaker@datapipe.com>
 Brandon Philips <brandon.philips@coreos.com>
+Brian Goff <cpuguy83@gmail.com>
 Christopher Jones <tophj@linux.vnet.ibm.com>
 Daniel, Dao Quang Minh <dqminh89@gmail.com>
+Darren Stahl <darst@microsoft.com>
+Derek McGowan <derek@mcg.dev>
 Derek McGowan <derek@mcgstyle.net>
 Edward Pilatowicz <edward.pilatowicz@oracle.com>
 Ian Campbell <ijc@docker.com>
+Ivan Markin <sw@nogoegst.net>
 Justin Cormack <justin.cormack@docker.com>
 Justin Cummins <sul3n3t@gmail.com>
+Kasper Fabæch Brandt <poizan@poizan.dk>
+Kir Kolyshkin <kolyshkin@gmail.com>
+Michael Crosby <crosbymichael@gmail.com>
+Michael Crosby <michael@thepasture.io>
+Michael Wan <zirenwan@gmail.com>
+Mike Brown <brownwm@us.ibm.com>
+Niels de Vos <ndevos@redhat.com>
 Phil Estes <estesp@gmail.com>
+Phil Estes <estesp@linux.vnet.ibm.com>
+Samuel Karp <me@samuelkarp.com>
+Sam Whited <sam@samwhited.com>
+Sebastiaan van Stijn <github@gone.nl>
+Shengjing Zhu <zhsj@debian.org>
 Stephen J Day <stephen.day@docker.com>
+Tibor Vass <tibor@docker.com>
 Tobias Klauser <tklauser@distanz.ch>
+Tom Faulhaber <tffaulha@amazon.com>
 Tonis Tiigi <tonistiigi@gmail.com>
+Trevor Porter <trkporter@ucdavis.edu>
+Wei Fu <fuweid89@gmail.com>
+Wilbert van de Ridder <wilbert.ridder@gmail.com>
+Xiaodong Ye <xiaodongy@vmware.com>

vendor/github.com/containerd/continuity/fs/copy_darwinopenbsdsolaris.go

@@ -0,0 +1,40 @@
+// +build darwin openbsd solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fs
+
+import (
+	"os"
+	"syscall"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+func copyDevice(dst string, fi os.FileInfo) error {
+	st, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return errors.New("unsupported stat type")
+	}
+	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
+}
+
+func utimesNano(name string, atime, mtime syscall.Timespec) error {
+	timespec := []syscall.Timespec{atime, mtime}
+	return syscall.UtimesNano(name, timespec)
+}

vendor/github.com/containerd/continuity/fs/copy_freebsd.go

@@ -0,0 +1,42 @@
+// +build freebsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fs
+
+import (
+	"os"
+	"syscall"
+
+	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
+)
+
+func copyDevice(dst string, fi os.FileInfo) error {
+	st, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return errors.New("unsupported stat type")
+	}
+	return unix.Mknod(dst, uint32(fi.Mode()), st.Rdev)
+}
+
+func utimesNano(name string, atime, mtime syscall.Timespec) error {
+	at := unix.NsecToTimespec(atime.Nano())
+	mt := unix.NsecToTimespec(mtime.Nano())
+	utimes := [2]unix.Timespec{at, mt}
+	return unix.UtimesNanoAt(unix.AT_FDCWD, name, utimes[0:], unix.AT_SYMLINK_NOFOLLOW)
+}

vendor/github.com/containerd/continuity/fs/copy_unix.go

@@ -25,7 +25,6 @@ import (
 
 	"github.com/containerd/continuity/sysx"
 	"github.com/pkg/errors"
-	"golang.org/x/sys/unix"
 )
 
 func copyFileInfo(fi os.FileInfo, name string) error {
@@ -53,8 +52,7 @@ func copyFileInfo(fi os.FileInfo, name string) error {
 		}
 	}
 
-	timespec := []syscall.Timespec{StatAtime(st), StatMtime(st)}
-	if err := syscall.UtimesNano(name, timespec); err != nil {
+	if err := utimesNano(name, StatAtime(st), StatMtime(st)); err != nil {
 		return errors.Wrapf(err, "failed to utime %s", name)
 	}
 
@@ -102,11 +100,3 @@ func copyXAttrs(dst, src string, xeh XAttrErrorHandler) error {
 
 	return nil
 }
-
-func copyDevice(dst string, fi os.FileInfo) error {
-	st, ok := fi.Sys().(*syscall.Stat_t)
-	if !ok {
-		return errors.New("unsupported stat type")
-	}
-	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
-}

vendor/github.com/containerd/continuity/fs/du_unix.go

@@ -25,6 +25,14 @@ import (
 	"syscall"
 )
 
+// blocksUnitSize is the unit used by `st_blocks` in `stat` in bytes.
+// See https://man7.org/linux/man-pages/man2/stat.2.html
+//   st_blocks
+//     This field indicates the number of blocks allocated to the
+//     file, in 512-byte units.  (This may be smaller than
+//     st_size/512 when the file has holes.)
+const blocksUnitSize = 512
+
 type inode struct {
 	// TODO(stevvooe): Can probably reduce memory usage by not tracking
 	// device, but we can leave this right for now.
@@ -33,9 +41,9 @@ type inode struct {
 
 func newInode(stat *syscall.Stat_t) inode {
 	return inode{
-		// Dev is uint32 on darwin/bsd, uint64 on linux/solaris
+		// Dev is uint32 on darwin/bsd, uint64 on linux/solaris/freebsd
 		dev: uint64(stat.Dev), // nolint: unconvert
-		// Ino is uint32 on bsd, uint64 on darwin/linux/solaris
+		// Ino is uint32 on bsd, uint64 on darwin/linux/solaris/freebsd
 		ino: uint64(stat.Ino), // nolint: unconvert
 	}
 }
@@ -59,10 +67,11 @@ func diskUsage(ctx context.Context, roots ...string) (Usage, error) {
 			default:
 			}
 
-			inoKey := newInode(fi.Sys().(*syscall.Stat_t))
+			stat := fi.Sys().(*syscall.Stat_t)
+			inoKey := newInode(stat)
 			if _, ok := inodes[inoKey]; !ok {
 				inodes[inoKey] = struct{}{}
-				size += fi.Size()
+				size += stat.Blocks * blocksUnitSize
 			}
 
 			return nil
@@ -89,10 +98,11 @@ func diffUsage(ctx context.Context, a, b string) (Usage, error) {
 		}
 
 		if kind == ChangeKindAdd || kind == ChangeKindModify {
-			inoKey := newInode(fi.Sys().(*syscall.Stat_t))
+			stat := fi.Sys().(*syscall.Stat_t)
+			inoKey := newInode(stat)
 			if _, ok := inodes[inoKey]; !ok {
 				inodes[inoKey] = struct{}{}
-				size += fi.Size()
+				size += stat.Blocks * blocksUnitSize
 			}
 
 			return nil

vendor/github.com/containerd/continuity/fs/path.go

@@ -117,15 +117,13 @@ func sameFile(f1, f2 *currentPath) (bool, error) {
 		// If the timestamp may have been truncated in both of the
 		// files, check content of file to determine difference
 		if t1.Nanosecond() == 0 && t2.Nanosecond() == 0 {
-			var eq bool
 			if (f1.f.Mode() & os.ModeSymlink) == os.ModeSymlink {
-				eq, err = compareSymlinkTarget(f1.fullPath, f2.fullPath)
-			} else if f1.f.Size() > 0 {
-				eq, err = compareFileContent(f1.fullPath, f2.fullPath)
+				return compareSymlinkTarget(f1.fullPath, f2.fullPath)
 			}
-			if err != nil || !eq {
-				return eq, err
+			if f1.f.Size() == 0 { // if file sizes are zero length, the files are the same by definition
+				return true, nil
 			}
+			return compareFileContent(f1.fullPath, f2.fullPath)
 		} else if t1.Nanosecond() != t2.Nanosecond() {
 			return false, nil
 		}

vendor/github.com/containerd/continuity/sysx/xattr_unsupported.go

@@ -23,7 +23,7 @@ import (
 	"runtime"
 )
 
-var unsupported = errors.New("extended attributes unsupported on " + runtime.GOOS)
+var errUnsupported = errors.New("extended attributes unsupported on " + runtime.GOOS)
 
 // Listxattr calls syscall listxattr and reads all content
 // and returns a string array
@@ -33,17 +33,17 @@ func Listxattr(path string) ([]string, error) {
 
 // Removexattr calls syscall removexattr
 func Removexattr(path string, attr string) (err error) {
-	return unsupported
+	return errUnsupported
 }
 
 // Setxattr calls syscall setxattr
 func Setxattr(path string, attr string, data []byte, flags int) (err error) {
-	return unsupported
+	return errUnsupported
 }
 
 // Getxattr calls syscall getxattr
 func Getxattr(path, attr string) ([]byte, error) {
-	return []byte{}, unsupported
+	return []byte{}, errUnsupported
 }
 
 // LListxattr lists xattrs, not following symlinks
@@ -53,12 +53,12 @@ func LListxattr(path string) ([]string, error) {
 
 // LRemovexattr removes an xattr, not following symlinks
 func LRemovexattr(path string, attr string) (err error) {
-	return unsupported
+	return errUnsupported
 }
 
 // LSetxattr sets an xattr, not following symlinks
 func LSetxattr(path string, attr string, data []byte, flags int) (err error) {
-	return unsupported
+	return errUnsupported
 }
 
 // LGetxattr gets an xattr, not following symlinks

vendor/github.com/containers/storage/AUTHORS

@@ -703,6 +703,7 @@ Joost Cassee <joost@cassee.net>
 Jordan <jjn2009@users.noreply.github.com>
 Jordan Arentsen <blissdev@gmail.com>
 Jordan Sissel <jls@semicomplete.com>
+Jordan Williams <jordan@jwillikers.com>
 Jose Diaz-Gonzalez <josegonzalez@users.noreply.github.com>
 Joseph Anthony Pasquale Holsten <joseph@josephholsten.com>
 Joseph Hager <ajhager@gmail.com>

vendor/github.com/containers/storage/Makefile

@@ -32,6 +32,7 @@ NATIVETAGS :=
 AUTOTAGS := $(shell ./hack/btrfs_tag.sh) $(shell ./hack/libdm_tag.sh)
 BUILDFLAGS := -tags "$(AUTOTAGS) $(TAGS)" $(FLAGS)
 GO ?= go
+TESTFLAGS := $(shell go test -race $(BUILDFLAGS) ./pkg/stringutils 2>&1 > /dev/null && echo -race)
 
 # Go module support: set `-mod=vendor` to use the vendored sources
 ifeq ($(shell $(GO) help mod >/dev/null 2>&1 && echo true), true)
@@ -95,7 +96,7 @@ test: local-binary ## build the binaries and run the tests using VMs
 	$(RUNINVM) make local-binary local-cross local-test-unit local-test-integration
 
 local-test-unit: local-binary ## run the unit tests on the host (requires\nsuperuser privileges)
-	@$(GO) test $(MOD_VENDOR) $(BUILDFLAGS) $(shell $(GO) list ./... | grep -v ^$(PACKAGE)/vendor)
+	@$(GO) test $(MOD_VENDOR) $(BUILDFLAGS) $(TESTFLAGS) $(shell $(GO) list ./... | grep -v ^$(PACKAGE)/vendor)
 
 test-unit: local-binary ## run the unit tests using VMs
 	$(RUNINVM) make local-$@

vendor/github.com/containers/storage/VERSION

@@ -1 +1 @@
-1.25.0
+1.28.0

vendor/github.com/containers/storage/containers.go

@@ -313,6 +313,9 @@ func (r *containerStore) Create(id string, names []string, image, layer, metadat
 	if options.MountOpts != nil {
 		options.Flags["MountOpts"] = append([]string{}, options.MountOpts...)
 	}
+	if options.Volatile {
+		options.Flags["Volatile"] = true
+	}
 	names = dedupeNames(names)
 	for _, name := range names {
 		if _, nameInUse := r.byname[name]; nameInUse {

vendor/github.com/containers/storage/drivers/aufs/aufs.go

@@ -63,6 +63,8 @@ var (
 	enableDirperm     bool
 )
 
+const defaultPerms = os.FileMode(0555)
+
 func init() {
 	graphdriver.Register("aufs", Init)
 }
@@ -312,20 +314,22 @@ func (a *Driver) createDirsFor(id, parent string) error {
 		"diff",
 	}
 
-	// Directory permission is 0755.
+	// Directory permission is 0555.
 	// The path of directories are <aufs_root_path>/mnt/<image_id>
 	// and <aufs_root_path>/diff/<image_id>
 	for _, p := range paths {
 		rootPair := idtools.NewIDMappingsFromMaps(a.uidMaps, a.gidMaps).RootPair()
+		rootPerms := defaultPerms
 		if parent != "" {
 			st, err := system.Stat(path.Join(a.rootPath(), p, parent))
 			if err != nil {
 				return err
 			}
+			rootPerms = os.FileMode(st.Mode())
 			rootPair.UID = int(st.UID())
 			rootPair.GID = int(st.GID())
 		}
-		if err := idtools.MkdirAllAndChownNew(path.Join(a.rootPath(), p, id), os.FileMode(0755), rootPair); err != nil {
+		if err := idtools.MkdirAllAndChownNew(path.Join(a.rootPath(), p, id), rootPerms, rootPair); err != nil {
 			return err
 		}
 	}

vendor/github.com/containers/storage/drivers/btrfs/btrfs.go

@@ -39,6 +39,8 @@ import (
 	"golang.org/x/sys/unix"
 )
 
+const defaultPerms = os.FileMode(0555)
+
 func init() {
 	graphdriver.Register("btrfs", Init)
 }
@@ -517,6 +519,9 @@ func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
 		if err := subvolCreate(subvolumes, id); err != nil {
 			return err
 		}
+		if err := os.Chmod(path.Join(subvolumes, id), defaultPerms); err != nil {
+			return err
+		}
 	} else {
 		parentDir := d.subvolumesDirID(parent)
 		st, err := os.Stat(parentDir)

vendor/github.com/containers/storage/drivers/chown_unix.go

@@ -3,6 +3,7 @@
 package graphdriver
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"syscall"
@@ -49,7 +50,7 @@ func platformLChown(path string, info os.FileInfo, toHost, toContainer *idtools.
 	}
 	if uid != int(st.Uid) || gid != int(st.Gid) {
 		cap, err := system.Lgetxattr(path, "security.capability")
-		if err != nil && err != system.ErrNotSupportedPlatform {
+		if err != nil && !errors.Is(err, system.EOPNOTSUPP) && err != system.ErrNotSupportedPlatform {
 			return fmt.Errorf("%s: %v", os.Args[0], err)
 		}
 

vendor/github.com/containers/storage/drivers/copy/copy_linux.go

@@ -15,6 +15,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"net"
 	"os"
 	"path/filepath"
 	"strings"
@@ -38,20 +39,14 @@ const (
 	Hardlink
 )
 
-func copyRegular(srcPath, dstPath string, fileinfo os.FileInfo, copyWithFileRange, copyWithFileClone *bool) error {
+// CopyRegularToFile copies the content of a file to another
+func CopyRegularToFile(srcPath string, dstFile *os.File, fileinfo os.FileInfo, copyWithFileRange, copyWithFileClone *bool) error { // nolint: golint
 	srcFile, err := os.Open(srcPath)
 	if err != nil {
 		return err
 	}
 	defer srcFile.Close()
 
-	// If the destination file already exists, we shouldn't blow it away
-	dstFile, err := os.OpenFile(dstPath, os.O_WRONLY|os.O_CREATE|os.O_EXCL, fileinfo.Mode())
-	if err != nil {
-		return err
-	}
-	defer dstFile.Close()
-
 	if *copyWithFileClone {
 		_, _, err = unix.Syscall(unix.SYS_IOCTL, dstFile.Fd(), C.FICLONE, srcFile.Fd())
 		if err == nil {
@@ -76,6 +71,18 @@ func copyRegular(srcPath, dstPath string, fileinfo os.FileInfo, copyWithFileRang
 	return legacyCopy(srcFile, dstFile)
 }
 
+// CopyRegular copies the content of a file to another
+func CopyRegular(srcPath, dstPath string, fileinfo os.FileInfo, copyWithFileRange, copyWithFileClone *bool) error { // nolint: golint
+	// If the destination file already exists, we shouldn't blow it away
+	dstFile, err := os.OpenFile(dstPath, os.O_WRONLY|os.O_CREATE|os.O_EXCL, fileinfo.Mode())
+	if err != nil {
+		return err
+	}
+	defer dstFile.Close()
+
+	return CopyRegularToFile(srcPath, dstFile, fileinfo, copyWithFileRange, copyWithFileClone)
+}
+
 func doCopyWithFileRange(srcFile, dstFile *os.File, fileinfo os.FileInfo) error {
 	amountLeftToCopy := fileinfo.Size()
 
@@ -164,7 +171,7 @@ func DirCopy(srcDir, dstDir string, copyMode Mode, copyXattrs bool) error {
 					return err2
 				}
 			} else {
-				if err2 := copyRegular(srcPath, dstPath, f, &copyWithFileRange, &copyWithFileClone); err2 != nil {
+				if err2 := CopyRegular(srcPath, dstPath, f, &copyWithFileRange, &copyWithFileClone); err2 != nil {
 					return err2
 				}
 				copiedFiles[id] = dstPath
@@ -186,13 +193,17 @@ func DirCopy(srcDir, dstDir string, copyMode Mode, copyXattrs bool) error {
 			}
 
 		case mode&os.ModeNamedPipe != 0:
-			fallthrough
-
-		case mode&os.ModeSocket != 0:
 			if err := unix.Mkfifo(dstPath, stat.Mode); err != nil {
 				return err
 			}
 
+		case mode&os.ModeSocket != 0:
+			s, err := net.Listen("unix", dstPath)
+			if err != nil {
+				return err
+			}
+			s.Close()
+
 		case mode&os.ModeDevice != 0:
 			if rsystem.RunningInUserNS() {
 				// cannot create a device if running in user namespace

vendor/github.com/containers/storage/drivers/copy/copy_unsupported.go

@@ -2,7 +2,12 @@
 
 package copy
 
-import "github.com/containers/storage/pkg/chrootarchive"
+import (
+	"io"
+	"os"
+
+	"github.com/containers/storage/pkg/chrootarchive"
+)
 
 // Mode indicates whether to use hardlink or copy content
 type Mode int
@@ -17,3 +22,19 @@ const (
 func DirCopy(srcDir, dstDir string, _ Mode, _ bool) error {
 	return chrootarchive.NewArchiver(nil).CopyWithTar(srcDir, dstDir)
 }
+
+// CopyRegularToFile copies the content of a file to another
+func CopyRegularToFile(srcPath string, dstFile *os.File, fileinfo os.FileInfo, copyWithFileRange, copyWithFileClone *bool) error {
+	f, err := os.Open(srcPath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	_, err = io.Copy(dstFile, f)
+	return err
+}
+
+// CopyRegular copies the content of a file to another
+func CopyRegular(srcPath, dstPath string, fileinfo os.FileInfo, copyWithFileRange, copyWithFileClone *bool) error {
+	return chrootarchive.NewArchiver(nil).CopyWithTar(srcPath, dstPath)
+}

vendor/github.com/containers/storage/drivers/devmapper/driver.go

@@ -20,6 +20,8 @@ import (
 	"golang.org/x/sys/unix"
 )
 
+const defaultPerms = os.FileMode(0555)
+
 func init() {
 	graphdriver.Register("devicemapper", Init)
 }
@@ -215,7 +217,7 @@ func (d *Driver) Get(id string, options graphdriver.MountOpts) (string, error) {
 		return "", err
 	}
 
-	if err := idtools.MkdirAllAs(rootFs, 0755, uid, gid); err != nil {
+	if err := idtools.MkdirAllAs(rootFs, defaultPerms, uid, gid); err != nil {
 		d.ctr.Decrement(mp)
 		d.DeviceSet.UnmountDevice(id, mp)
 		return "", err

vendor/github.com/containers/storage/drivers/driver.go

@@ -53,6 +53,10 @@ type MountOpts struct {
 	UidMaps []idtools.IDMap // nolint: golint
 	GidMaps []idtools.IDMap // nolint: golint
 	Options []string
+
+	// Volatile specifies whether the container storage can be optimized
+	// at the cost of not syncing all the dirty files in memory.
+	Volatile bool
 }
 
 // ApplyDiffOpts contains optional arguments for ApplyDiff methods.

vendor/github.com/containers/storage/drivers/overlay/check.go

@@ -145,6 +145,10 @@ func doesMetacopy(d, mountOpts string) (bool, error) {
 		opts = fmt.Sprintf("%s,%s", opts, data)
 	}
 	if err := unix.Mount("overlay", filepath.Join(td, "merged"), "overlay", uintptr(flags), opts); err != nil {
+		if errors.Cause(err) == unix.EINVAL {
+			logrus.Info("metacopy option not supported on this kernel", mountOpts)
+			return false, nil
+		}
 		return false, errors.Wrapf(err, "failed to mount overlay for metacopy check with %q options", mountOpts)
 	}
 	defer func() {
@@ -163,3 +167,40 @@ func doesMetacopy(d, mountOpts string) (bool, error) {
 	}
 	return metacopy != nil, nil
 }
+
+// doesVolatile checks if the filesystem supports the "volatile" mount option
+func doesVolatile(d string) (bool, error) {
+	td, err := ioutil.TempDir(d, "volatile-check")
+	if err != nil {
+		return false, err
+	}
+	defer func() {
+		if err := os.RemoveAll(td); err != nil {
+			logrus.Warnf("Failed to remove check directory %v: %v", td, err)
+		}
+	}()
+
+	if err := os.MkdirAll(filepath.Join(td, "lower"), 0755); err != nil {
+		return false, err
+	}
+	if err := os.MkdirAll(filepath.Join(td, "upper"), 0755); err != nil {
+		return false, err
+	}
+	if err := os.Mkdir(filepath.Join(td, "work"), 0755); err != nil {
+		return false, err
+	}
+	if err := os.Mkdir(filepath.Join(td, "merged"), 0755); err != nil {
+		return false, err
+	}
+	// Mount using the mandatory options and configured options
+	opts := fmt.Sprintf("volatile,lowerdir=%s,upperdir=%s,workdir=%s", path.Join(td, "lower"), path.Join(td, "upper"), path.Join(td, "work"))
+	if err := unix.Mount("overlay", filepath.Join(td, "merged"), "overlay", 0, opts); err != nil {
+		return false, errors.Wrapf(err, "failed to mount overlay for volatile check")
+	}
+	defer func() {
+		if err := unix.Unmount(filepath.Join(td, "merged"), 0); err != nil {
+			logrus.Warnf("Failed to unmount check directory %v: %v", filepath.Join(td, "merged"), err)
+		}
+	}()
+	return true, nil
+}

vendor/github.com/containers/storage/drivers/overlay/overlay.go

@@ -28,6 +28,7 @@ import (
 	"github.com/containers/storage/pkg/mount"
 	"github.com/containers/storage/pkg/parsers"
 	"github.com/containers/storage/pkg/system"
+	"github.com/containers/storage/pkg/unshare"
 	units "github.com/docker/go-units"
 	rsystem "github.com/opencontainers/runc/libcontainer/system"
 	"github.com/opencontainers/selinux/go-selinux/label"
@@ -98,18 +99,19 @@ type overlayOptions struct {
 
 // Driver contains information about the home directory and the list of active mounts that are created using this driver.
 type Driver struct {
-	name          string
-	home          string
-	runhome       string
-	uidMaps       []idtools.IDMap
-	gidMaps       []idtools.IDMap
-	ctr           *graphdriver.RefCounter
-	quotaCtl      *quota.Control
-	options       overlayOptions
-	naiveDiff     graphdriver.DiffDriver
-	supportsDType bool
-	usingMetacopy bool
-	locker        *locker.Locker
+	name             string
+	home             string
+	runhome          string
+	uidMaps          []idtools.IDMap
+	gidMaps          []idtools.IDMap
+	ctr              *graphdriver.RefCounter
+	quotaCtl         *quota.Control
+	options          overlayOptions
+	naiveDiff        graphdriver.DiffDriver
+	supportsDType    bool
+	supportsVolatile bool
+	usingMetacopy    bool
+	locker           *locker.Locker
 }
 
 var (
@@ -125,6 +127,96 @@ func init() {
 	graphdriver.Register("overlay2", Init)
 }
 
+func hasMetacopyOption(opts []string) bool {
+	for _, s := range opts {
+		if s == "metacopy=on" {
+			return true
+		}
+	}
+	return false
+}
+
+func hasVolatileOption(opts []string) bool {
+	for _, s := range opts {
+		if s == "volatile" {
+			return true
+		}
+	}
+	return false
+}
+
+func getMountProgramFlagFile(path string) string {
+	return filepath.Join(path, ".has-mount-program")
+}
+
+func checkSupportVolatile(home, runhome string) (bool, error) {
+	feature := fmt.Sprintf("volatile")
+	volatileCacheResult, _, err := cachedFeatureCheck(runhome, feature)
+	var usingVolatile bool
+	if err == nil {
+		if volatileCacheResult {
+			logrus.Debugf("cached value indicated that volatile is being used")
+		} else {
+			logrus.Debugf("cached value indicated that volatile is not being used")
+		}
+		usingVolatile = volatileCacheResult
+	} else {
+		usingVolatile, err = doesVolatile(home)
+		if err == nil {
+			if usingVolatile {
+				logrus.Debugf("overlay test mount indicated that volatile is being used")
+			} else {
+				logrus.Debugf("overlay test mount indicated that volatile is not being used")
+			}
+			if err = cachedFeatureRecord(runhome, feature, usingVolatile, ""); err != nil {
+				return false, errors.Wrap(err, "error recording volatile-being-used status")
+			}
+		}
+	}
+	return usingVolatile, nil
+}
+
+func checkAndRecordOverlaySupport(fsMagic graphdriver.FsMagic, home, runhome string) (bool, error) {
+	var supportsDType bool
+
+	if os.Geteuid() != 0 {
+		return false, nil
+	}
+
+	feature := "overlay"
+	overlayCacheResult, overlayCacheText, err := cachedFeatureCheck(runhome, feature)
+	if err == nil {
+		if overlayCacheResult {
+			logrus.Debugf("cached value indicated that overlay is supported")
+		} else {
+			logrus.Debugf("cached value indicated that overlay is not supported")
+		}
+		supportsDType = overlayCacheResult
+		if !supportsDType {
+			return false, errors.New(overlayCacheText)
+		}
+	} else {
+		supportsDType, err = supportsOverlay(home, fsMagic, 0, 0)
+		if err != nil {
+			os.Remove(filepath.Join(home, linkDir))
+			os.Remove(home)
+			patherr, ok := err.(*os.PathError)
+			if ok && patherr.Err == syscall.ENOSPC {
+				return false, err
+			}
+			err = errors.Wrap(err, "kernel does not support overlay fs")
+			if err2 := cachedFeatureRecord(runhome, feature, false, err.Error()); err2 != nil {
+				return false, errors.Wrapf(err2, "error recording overlay not being supported (%v)", err)
+			}
+			return false, err
+		}
+		if err = cachedFeatureRecord(runhome, feature, supportsDType, ""); err != nil {
+			return false, errors.Wrap(err, "error recording overlay support status")
+		}
+	}
+	return supportsDType, nil
+}
+
 // Init returns the a native diff driver for overlay filesystem.
 // If overlay filesystem is not supported on the host, a wrapped graphdriver.ErrNotSupported is returned as error.
 // If an overlay filesystem is not supported over an existing filesystem then a wrapped graphdriver.ErrIncompatibleFS is returned.
@@ -142,8 +234,13 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 		backingFs = fsName
 	}
 
-	// check if they are running over btrfs, aufs, zfs, overlay, or ecryptfs
-	if opts.mountProgram == "" {
+	if opts.mountProgram != "" {
+		f, err := os.Create(getMountProgramFlagFile(home))
+		if err == nil {
+			f.Close()
+		}
+	} else {
+		// check if they are running over btrfs, aufs, zfs, overlay, or ecryptfs
 		if opts.forceMask != nil {
 			return nil, errors.New("'force_mask' is supported only with 'mount_program'")
 		}
@@ -169,42 +266,16 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 
 	var usingMetacopy bool
 	var supportsDType bool
+	var supportsVolatile bool
 	if opts.mountProgram != "" {
 		supportsDType = true
+		supportsVolatile = true
 	} else {
-		feature := "overlay"
-		overlayCacheResult, overlayCacheText, err := cachedFeatureCheck(runhome, feature)
-		if err == nil {
-			if overlayCacheResult {
-				logrus.Debugf("cached value indicated that overlay is supported")
-			} else {
-				logrus.Debugf("cached value indicated that overlay is not supported")
-			}
-			supportsDType = overlayCacheResult
-			if !supportsDType {
-				return nil, errors.New(overlayCacheText)
-			}
-		} else {
-			supportsDType, err = supportsOverlay(home, fsMagic, rootUID, rootGID)
-			if err != nil {
-				os.Remove(filepath.Join(home, linkDir))
-				os.Remove(home)
-				patherr, ok := err.(*os.PathError)
-				if ok && patherr.Err == syscall.ENOSPC {
-					return nil, err
-				}
-				err = errors.Wrap(err, "kernel does not support overlay fs")
-				if err2 := cachedFeatureRecord(runhome, feature, false, err.Error()); err2 != nil {
-					return nil, errors.Wrapf(err2, "error recording overlay not being supported (%v)", err)
-				}
-				return nil, err
-			}
-			if err = cachedFeatureRecord(runhome, feature, supportsDType, ""); err != nil {
-				return nil, errors.Wrap(err, "error recording overlay support status")
-			}
+		supportsDType, err = checkAndRecordOverlaySupport(fsMagic, home, runhome)
+		if err != nil {
+			return nil, err
 		}
-
-		feature = fmt.Sprintf("metacopy(%s)", opts.mountOptions)
+		feature := fmt.Sprintf("metacopy(%s)", opts.mountOptions)
 		metacopyCacheResult, _, err := cachedFeatureCheck(runhome, feature)
 		if err == nil {
 			if metacopyCacheResult {
@@ -229,6 +300,10 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 				return nil, err
 			}
 		}
+		supportsVolatile, err = checkSupportVolatile(home, runhome)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	if !opts.skipMountHome {
@@ -243,16 +318,17 @@ func Init(home string, options graphdriver.Options) (graphdriver.Driver, error)
 	}
 
 	d := &Driver{
-		name:          "overlay",
-		home:          home,
-		runhome:       runhome,
-		uidMaps:       options.UIDMaps,
-		gidMaps:       options.GIDMaps,
-		ctr:           graphdriver.NewRefCounter(graphdriver.NewFsChecker(fileSystemType)),
-		supportsDType: supportsDType,
-		usingMetacopy: usingMetacopy,
-		locker:        locker.New(),
-		options:       *opts,
+		name:             "overlay",
+		home:             home,
+		runhome:          runhome,
+		uidMaps:          options.UIDMaps,
+		gidMaps:          options.GIDMaps,
+		ctr:              graphdriver.NewRefCounter(graphdriver.NewFsChecker(fileSystemType)),
+		supportsDType:    supportsDType,
+		usingMetacopy:    usingMetacopy,
+		supportsVolatile: supportsVolatile,
+		locker:           locker.New(),
+		options:          *opts,
 	}
 
 	d.naiveDiff = graphdriver.NewNaiveDiffDriver(d, graphdriver.NewNaiveLayerIDMapUpdater(d))
@@ -318,9 +394,11 @@ func parseOptions(options []string) (*overlayOptions, error) {
 			}
 		case "mount_program":
 			logrus.Debugf("overlay: mount_program=%s", val)
-			_, err := os.Stat(val)
-			if err != nil {
-				return nil, fmt.Errorf("overlay: can't stat program %s: %v", val, err)
+			if val != "" {
+				_, err := os.Stat(val)
+				if err != nil {
+					return nil, errors.Wrapf(err, "overlay: can't stat program %q", val)
+				}
 			}
 			o.mountProgram = val
 		case "skip_mount_home":
@@ -385,11 +463,44 @@ func cachedFeatureRecord(runhome, feature string, supported bool, text string) (
 	return err
 }
 
+func SupportsNativeOverlay(graphroot, rundir string) (bool, error) {
+	if os.Geteuid() != 0 || graphroot == "" || rundir == "" {
+		return false, nil
+	}
+
+	home := filepath.Join(graphroot, "overlay")
+	runhome := filepath.Join(rundir, "overlay")
+
+	if _, err := os.Stat(getMountProgramFlagFile(home)); err == nil {
+		logrus.Debugf("overlay storage already configured with a mount-program")
+		return false, nil
+	}
+
+	for _, dir := range []string{home, runhome} {
+		if _, err := os.Stat(dir); err != nil {
+			_ = idtools.MkdirAllAs(dir, 0700, 0, 0)
+		}
+	}
+
+	fsMagic, err := graphdriver.GetFSMagic(home)
+	if err != nil {
+		return false, err
+	}
+
+	supportsDType, _ := checkAndRecordOverlaySupport(fsMagic, home, runhome)
+	return supportsDType, nil
+}
+
 func supportsOverlay(home string, homeMagic graphdriver.FsMagic, rootUID, rootGID int) (supportsDType bool, err error) {
 	// We can try to modprobe overlay first
 
 	exec.Command("modprobe", "overlay").Run()
 
+	logLevel := logrus.ErrorLevel
+	if unshare.IsRootless() {
+		logLevel = logrus.DebugLevel
+	}
+
 	layerDir, err := ioutil.TempDir(home, "compat")
 	if err != nil {
 		patherr, ok := err.(*os.PathError)
@@ -429,7 +540,7 @@ func supportsOverlay(home string, homeMagic graphdriver.FsMagic, rootUID, rootGI
 		_ = idtools.MkdirAs(workDir, 0700, rootUID, rootGID)
 		flags := fmt.Sprintf("lowerdir=%s:%s,upperdir=%s,workdir=%s", lower1Dir, lower2Dir, upperDir, workDir)
 		if len(flags) < unix.Getpagesize() {
-			err := mountFrom(filepath.Dir(home), "overlay", mergedDir, "overlay", 0, flags)
+			err := unix.Mount("overlay", mergedDir, "overlay", 0, flags)
 			if err == nil {
 				logrus.Debugf("overlay test mount with multiple lowers succeeded")
 				return supportsDType, nil
@@ -438,18 +549,18 @@ func supportsOverlay(home string, homeMagic graphdriver.FsMagic, rootUID, rootGI
 		}
 		flags = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", lower1Dir, upperDir, workDir)
 		if len(flags) < unix.Getpagesize() {
-			err := mountFrom(filepath.Dir(home), "overlay", mergedDir, "overlay", 0, flags)
+			err := unix.Mount("overlay", mergedDir, "overlay", 0, flags)
 			if err == nil {
 				logrus.Errorf("overlay test mount with multiple lowers failed, but succeeded with a single lower")
 				return supportsDType, errors.Wrap(graphdriver.ErrNotSupported, "kernel too old to provide multiple lowers feature for overlay")
 			}
 			logrus.Debugf("overlay test mount with a single lower failed %v", err)
 		}
-		logrus.Errorf("'overlay' is not supported over %s at %q", backingFs, home)
+		logrus.StandardLogger().Logf(logLevel, "'overlay' is not supported over %s at %q", backingFs, home)
 		return supportsDType, errors.Wrapf(graphdriver.ErrIncompatibleFS, "'overlay' is not supported over %s at %q", backingFs, home)
 	}
 
-	logrus.Error("'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded.")
+	logrus.StandardLogger().Logf(logLevel, "'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded.")
 	return supportsDType, errors.Wrap(graphdriver.ErrNotSupported, "'overlay' not found as a supported filesystem on this host. Please ensure kernel is new enough and has overlay support loaded.")
 }
 
@@ -521,18 +632,6 @@ func (d *Driver) Metadata(id string) (map[string]string, error) {
 	return metadata, nil
 }
 
-// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
-// For Overlay, it attempts to check the XFS quota for size, and falls back to
-// finding the size of the "diff" directory.
-func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
-	usage := &directory.DiskUsage{}
-	if d.quotaCtl != nil {
-		err := d.quotaCtl.GetDiskUsage(d.dir(id), usage)
-		return usage, err
-	}
-	return directory.Usage(path.Join(d.dir(id), "diff"))
-}
-
 // Cleanup any state created by overlay which should be cleaned when daemon
 // is being shutdown. For now, we just have to unmount the bind mounted
 // we had created.
@@ -758,8 +857,22 @@ func (d *Driver) getLowerDirs(id string) ([]string, error) {
 		for _, s := range strings.Split(string(lowers), ":") {
 			lower := d.dir(s)
 			lp, err := os.Readlink(lower)
+			// if the link does not exist, we lost the symlinks during a sudden reboot.
+			// Let's go ahead and recreate those symlinks.
 			if err != nil {
-				return nil, err
+				if os.IsNotExist(err) {
+					logrus.Warnf("Can't read link %q because it does not exist. A storage corruption might have occurred, attempting to recreate the missing symlinks. It might be best wipe the storage to avoid further errors due to storage corruption.", lower)
+					if err := d.recreateSymlinks(); err != nil {
+						return nil, fmt.Errorf("error recreating the missing symlinks: %v", err)
+					}
+					// let's call Readlink on lower again now that we have recreated the missing symlinks
+					lp, err = os.Readlink(lower)
+					if err != nil {
+						return nil, err
+					}
+				} else {
+					return nil, err
+				}
 			}
 			lowersArray = append(lowersArray, path.Clean(d.dir(path.Join("link", lp))))
 		}
@@ -880,7 +993,21 @@ func (d *Driver) get(id string, disableShifting bool, options graphdriver.MountO
 	}
 	readWrite := true
 
-	for _, o := range options.Options {
+	optsList := options.Options
+	if len(optsList) == 0 {
+		optsList = strings.Split(d.options.mountOptions, ",")
+	} else {
+		// If metacopy=on is present in d.options.mountOptions it must be present in the mount
+		// options otherwise the kernel refuses to follow the metacopy xattr.
+		if hasMetacopyOption(strings.Split(d.options.mountOptions, ",")) && !hasMetacopyOption(options.Options) {
+			if d.usingMetacopy {
+				optsList = append(optsList, "metacopy=on")
+			} else {
+				logrus.Warnf("ignoring metacopy option from storage.conf, not supported with booted kernel")
+			}
+		}
+	}
+	for _, o := range optsList {
 		if o == "ro" {
 			readWrite = false
 			break
@@ -1012,17 +1139,27 @@ func (d *Driver) get(id string, disableShifting bool, options graphdriver.MountO
 		}
 	}()
 
+	workdir := path.Join(dir, "work")
+
 	var opts string
 	if readWrite {
-		opts = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", strings.Join(absLowers, ":"), diffDir, path.Join(dir, "work"))
+		opts = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", strings.Join(absLowers, ":"), diffDir, workdir)
 	} else {
 		opts = fmt.Sprintf("lowerdir=%s:%s", diffDir, strings.Join(absLowers, ":"))
 	}
-	if len(options.Options) > 0 {
-		opts = fmt.Sprintf("%s,%s", strings.Join(options.Options, ","), opts)
-	} else if d.options.mountOptions != "" {
-		opts = fmt.Sprintf("%s,%s", d.options.mountOptions, opts)
+	if len(optsList) > 0 {
+		opts = fmt.Sprintf("%s,%s", strings.Join(optsList, ","), opts)
 	}
+
+	if d.options.mountProgram == "" && unshare.IsRootless() {
+		opts = fmt.Sprintf("%s,userxattr", opts)
+	}
+
+	// If "volatile" is not supported by the file system, just ignore the request
+	if d.supportsVolatile && options.Volatile && !hasVolatileOption(strings.Split(opts, ",")) {
+		opts = fmt.Sprintf("%s,volatile", opts)
+	}
+
 	mountData := label.FormatMountLabel(opts, options.MountLabel)
 	mountFunc := unix.Mount
 	mountTarget := mergedDir
@@ -1054,26 +1191,35 @@ func (d *Driver) get(id string, disableShifting bool, options graphdriver.MountO
 			return nil
 		}
 	} else if len(mountData) > pageSize {
+		workdir = path.Join(id, "work")
 		//FIXME: We need to figure out to get this to work with additional stores
 		if readWrite {
 			diffDir := path.Join(id, "diff")
-			opts = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", strings.Join(relLowers, ":"), diffDir, path.Join(id, "work"))
+			opts = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", strings.Join(relLowers, ":"), diffDir, workdir)
 		} else {
 			opts = fmt.Sprintf("lowerdir=%s", strings.Join(absLowers, ":"))
 		}
 		mountData = label.FormatMountLabel(opts, options.MountLabel)
 		if len(mountData) > pageSize {
-			return "", fmt.Errorf("cannot mount layer, mount label too large %d", len(mountData))
+			return "", fmt.Errorf("cannot mount layer, mount label %q too large %d > page size %d", options.MountLabel, len(mountData), pageSize)
 		}
 		mountFunc = func(source string, target string, mType string, flags uintptr, label string) error {
 			return mountFrom(d.home, source, target, mType, flags, label)
 		}
 		mountTarget = path.Join(id, "merged")
 	}
+
+	// overlay has a check in place to prevent mounting the same file system twice
+	// if volatile was already specified.
+	err = os.RemoveAll(filepath.Join(workdir, "work/incompat/volatile"))
+	if err != nil && !os.IsNotExist(err) {
+		return "", err
+	}
+
 	flags, data := mount.ParseOptions(mountData)
 	logrus.Debugf("overlay: mount_data=%s", mountData)
 	if err := mountFunc("overlay", mountTarget, "overlay", uintptr(flags), data); err != nil {
-		return "", fmt.Errorf("error creating overlay mount to %s: %v", mountTarget, err)
+		return "", fmt.Errorf("error creating overlay mount to %s, mount_data=%q: %v", mountTarget, mountData, err)
 	}
 
 	return mergedDir, nil

vendor/github.com/containers/storage/drivers/overlay/overlay_cgo.go

@@ -0,0 +1,21 @@
+// +build linux,cgo
+
+package overlay
+
+import (
+	"path"
+
+	"github.com/containers/storage/pkg/directory"
+)
+
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For Overlay, it attempts to check the XFS quota for size, and falls back to
+// finding the size of the "diff" directory.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	usage := &directory.DiskUsage{}
+	if d.quotaCtl != nil {
+		err := d.quotaCtl.GetDiskUsage(d.dir(id), usage)
+		return usage, err
+	}
+	return directory.Usage(path.Join(d.dir(id), "diff"))
+}

vendor/github.com/containers/storage/drivers/overlay/overlay_nocgo.go

@@ -0,0 +1,16 @@
+// +build linux,!cgo
+
+package overlay
+
+import (
+	"path"
+
+	"github.com/containers/storage/pkg/directory"
+)
+
+// ReadWriteDiskUsage returns the disk usage of the writable directory for the ID.
+// For Overlay, it attempts to check the XFS quota for size, and falls back to
+// finding the size of the "diff" directory.
+func (d *Driver) ReadWriteDiskUsage(id string) (*directory.DiskUsage, error) {
+	return directory.Usage(path.Join(d.dir(id), "diff"))
+}

vendor/github.com/containers/storage/drivers/overlay/overlay_unsupported.go

@@ -1,3 +1,7 @@
 // +build !linux
 
 package overlay
+
+func SupportsNativeOverlay(graphroot, rundir string) (bool, error) {
+	return false, nil
+}

vendor/github.com/containers/storage/drivers/vfs/driver.go

@@ -24,6 +24,8 @@ var (
 	CopyDir = dirCopy
 )
 
+const defaultPerms = os.FileMode(0555)
+
 func init() {
 	graphdriver.Register("vfs", Init)
 }
@@ -167,15 +169,17 @@ func (d *Driver) create(id, parent string, opts *graphdriver.CreateOpts, ro bool
 		}
 	}()
 
+	rootPerms := defaultPerms
 	if parent != "" {
 		st, err := system.Stat(d.dir(parent))
 		if err != nil {
 			return err
 		}
+		rootPerms = os.FileMode(st.Mode())
 		rootIDs.UID = int(st.UID())
 		rootIDs.GID = int(st.GID())
 	}
-	if err := idtools.MkdirAndChown(dir, 0755, rootIDs); err != nil {
+	if err := idtools.MkdirAndChown(dir, rootPerms, rootIDs); err != nil {
 		return err
 	}
 	labelOpts := []string{"level:s0"}

vendor/github.com/containers/storage/drivers/zfs/zfs.go

@@ -30,6 +30,8 @@ type zfsOptions struct {
 	mountOptions string
 }
 
+const defaultPerms = os.FileMode(0555)
+
 func init() {
 	graphdriver.Register("zfs", Init)
 }
@@ -106,7 +108,7 @@ func Init(base string, opt graphdriver.Options) (graphdriver.Driver, error) {
 
 	rootUID, rootGID, err := idtools.GetRootUIDGID(opt.UIDMaps, opt.GIDMaps)
 	if err != nil {
-		return nil, fmt.Errorf("Failed to get root uid/guid: %v", err)
+		return nil, fmt.Errorf("Failed to get root uid/gid: %v", err)
 	}
 	if err := idtools.MkdirAllAs(base, 0700, rootUID, rootGID); err != nil {
 		return nil, fmt.Errorf("Failed to create '%s': %v", base, err)
@@ -273,12 +275,7 @@ func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts
 
 // Create prepares the dataset and filesystem for the ZFS driver for the given id under the parent.
 func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
-	var storageOpt map[string]string
-	if opts != nil {
-		storageOpt = opts.StorageOpt
-	}
-
-	err := d.create(id, parent, storageOpt)
+	err := d.create(id, parent, opts)
 	if err == nil {
 		return nil
 	}
@@ -297,16 +294,31 @@ func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
 	}
 
 	// retry
-	return d.create(id, parent, storageOpt)
+	return d.create(id, parent, opts)
 }
 
-func (d *Driver) create(id, parent string, storageOpt map[string]string) error {
+func (d *Driver) create(id, parent string, opts *graphdriver.CreateOpts) error {
+	var storageOpt map[string]string
+	if opts != nil {
+		storageOpt = opts.StorageOpt
+	}
+
 	name := d.zfsPath(id)
+	mountpoint := d.mountPath(id)
 	quota, err := parseStorageOpt(storageOpt)
 	if err != nil {
 		return err
 	}
 	if parent == "" {
+		var rootUID, rootGID int
+		var mountLabel string
+		if opts != nil {
+			rootUID, rootGID, err = idtools.GetRootUIDGID(opts.UIDs(), opts.GIDs())
+			if err != nil {
+				return fmt.Errorf("Failed to get root uid/gid: %v", err)
+			}
+			mountLabel = opts.MountLabel
+		}
 		mountoptions := map[string]string{"mountpoint": "legacy"}
 		fs, err := zfs.CreateFilesystem(name, mountoptions)
 		if err == nil {
@@ -316,6 +328,37 @@ func (d *Driver) create(id, parent string, storageOpt map[string]string) error {
 				d.filesystemsCache[fs.Name] = true
 				d.Unlock()
 			}
+
+			if err := idtools.MkdirAllAs(mountpoint, defaultPerms, rootUID, rootGID); err != nil {
+				return err
+			}
+			defer func() {
+				if err := unix.Rmdir(mountpoint); err != nil && !os.IsNotExist(err) {
+					logrus.Debugf("Failed to remove %s mount point %s: %v", id, mountpoint, err)
+				}
+			}()
+
+			mountOpts := label.FormatMountLabel(d.options.mountOptions, mountLabel)
+
+			if err := mount.Mount(name, mountpoint, "zfs", mountOpts); err != nil {
+				return errors.Wrap(err, "error creating zfs mount")
+			}
+			defer func() {
+				if err := unix.Unmount(mountpoint, unix.MNT_DETACH); err != nil {
+					logrus.Warnf("Failed to unmount %s mount %s: %v", id, mountpoint, err)
+				}
+			}()
+
+			if err := os.Chmod(mountpoint, defaultPerms); err != nil {
+				return errors.Wrap(err, "error setting permissions on zfs mount")
+			}
+
+			// this is our first mount after creation of the filesystem, and the root dir may still have root
+			// permissions instead of the remapped root uid:gid (if user namespaces are enabled):
+			if err := os.Chown(mountpoint, rootUID, rootGID); err != nil {
+				return errors.Wrapf(err, "modifying zfs mountpoint (%s) ownership", mountpoint)
+			}
+
 		}
 		return err
 	}
@@ -419,12 +462,6 @@ func (d *Driver) Get(id string, options graphdriver.MountOpts) (_ string, retErr
 		return "", errors.Wrap(err, "error creating zfs mount")
 	}
 
-	// this could be our first mount after creation of the filesystem, and the root dir may still have root
-	// permissions instead of the remapped root uid:gid (if user namespaces are enabled):
-	if err := os.Chown(mountpoint, rootUID, rootGID); err != nil {
-		return "", errors.Wrapf(err, "modifying zfs mountpoint (%s) ownership", mountpoint)
-	}
-
 	if remountReadOnly {
 		opts = label.FormatMountLabel("remount,ro", options.MountLabel)
 		if err := mount.Mount(filesystem, mountpoint, "zfs", opts); err != nil {

vendor/github.com/containers/storage/errors.go

@@ -1,56 +1,56 @@
 package storage
 
 import (
-	"errors"
+	"github.com/containers/storage/types"
 )
 
 var (
 	// ErrContainerUnknown indicates that there was no container with the specified name or ID.
-	ErrContainerUnknown = errors.New("container not known")
-	// ErrImageUnknown indicates that there was no image with the specified name or ID.
-	ErrImageUnknown = errors.New("image not known")
-	// ErrParentUnknown indicates that we didn't record the ID of the parent of the specified layer.
-	ErrParentUnknown = errors.New("parent of layer not known")
-	// ErrLayerUnknown indicates that there was no layer with the specified name or ID.
-	ErrLayerUnknown = errors.New("layer not known")
-	// ErrLoadError indicates that there was an initialization error.
-	ErrLoadError = errors.New("error loading storage metadata")
-	// ErrDuplicateID indicates that an ID which is to be assigned to a new item is already being used.
-	ErrDuplicateID = errors.New("that ID is already in use")
-	// ErrDuplicateName indicates that a name which is to be assigned to a new item is already being used.
-	ErrDuplicateName = errors.New("that name is already in use")
-	// ErrParentIsContainer is returned when a caller attempts to create a layer as a child of a container's layer.
-	ErrParentIsContainer = errors.New("would-be parent layer is a container")
-	// ErrNotAContainer is returned when the caller attempts to delete a container that isn't a container.
-	ErrNotAContainer = errors.New("identifier is not a container")
-	// ErrNotAnImage is returned when the caller attempts to delete an image that isn't an image.
-	ErrNotAnImage = errors.New("identifier is not an image")
-	// ErrNotALayer is returned when the caller attempts to delete a layer that isn't a layer.
-	ErrNotALayer = errors.New("identifier is not a layer")
-	// ErrNotAnID is returned when the caller attempts to read or write metadata from an item that doesn't exist.
-	ErrNotAnID = errors.New("identifier is not a layer, image, or container")
-	// ErrLayerHasChildren is returned when the caller attempts to delete a layer that has children.
-	ErrLayerHasChildren = errors.New("layer has children")
-	// ErrLayerUsedByImage is returned when the caller attempts to delete a layer that is an image's top layer.
-	ErrLayerUsedByImage = errors.New("layer is in use by an image")
-	// ErrLayerUsedByContainer is returned when the caller attempts to delete a layer that is a container's layer.
-	ErrLayerUsedByContainer = errors.New("layer is in use by a container")
-	// ErrImageUsedByContainer is returned when the caller attempts to delete an image that is a container's image.
-	ErrImageUsedByContainer = errors.New("image is in use by a container")
-	// ErrIncompleteOptions is returned when the caller attempts to initialize a Store without providing required information.
-	ErrIncompleteOptions = errors.New("missing necessary StoreOptions")
-	// ErrSizeUnknown is returned when the caller asks for the size of a big data item, but the Store couldn't determine the answer.
-	ErrSizeUnknown = errors.New("size is not known")
-	// ErrStoreIsReadOnly is returned when the caller makes a call to a read-only store that would require modifying its contents.
-	ErrStoreIsReadOnly = errors.New("called a write method on a read-only store")
-	// ErrDuplicateImageNames indicates that the read-only store uses the same name for multiple images.
-	ErrDuplicateImageNames = errors.New("read-only image store assigns the same name to multiple images")
-	// ErrDuplicateLayerNames indicates that the read-only store uses the same name for multiple layers.
-	ErrDuplicateLayerNames = errors.New("read-only layer store assigns the same name to multiple layers")
-	// ErrInvalidBigDataName indicates that the name for a big data item is not acceptable; it may be empty.
-	ErrInvalidBigDataName = errors.New("not a valid name for a big data item")
+	ErrContainerUnknown = types.ErrContainerUnknown
 	// ErrDigestUnknown indicates that we were unable to compute the digest of a specified item.
-	ErrDigestUnknown = errors.New("could not compute digest of item")
+	ErrDigestUnknown = types.ErrDigestUnknown
+	// ErrDuplicateID indicates that an ID which is to be assigned to a new item is already being used.
+	ErrDuplicateID = types.ErrDuplicateID
+	// ErrDuplicateImageNames indicates that the read-only store uses the same name for multiple images.
+	ErrDuplicateImageNames = types.ErrDuplicateImageNames
+	// ErrDuplicateLayerNames indicates that the read-only store uses the same name for multiple layers.
+	ErrDuplicateLayerNames = types.ErrDuplicateLayerNames
+	// ErrDuplicateName indicates that a name which is to be assigned to a new item is already being used.
+	ErrDuplicateName = types.ErrDuplicateName
+	// ErrImageUnknown indicates that there was no image with the specified name or ID.
+	ErrImageUnknown = types.ErrImageUnknown
+	// ErrImageUsedByContainer is returned when the caller attempts to delete an image that is a container's image.
+	ErrImageUsedByContainer = types.ErrImageUsedByContainer
+	// ErrIncompleteOptions is returned when the caller attempts to initialize a Store without providing required information.
+	ErrIncompleteOptions = types.ErrIncompleteOptions
+	// ErrInvalidBigDataName indicates that the name for a big data item is not acceptable; it may be empty.
+	ErrInvalidBigDataName = types.ErrInvalidBigDataName
+	// ErrLayerHasChildren is returned when the caller attempts to delete a layer that has children.
+	ErrLayerHasChildren = types.ErrLayerHasChildren
 	// ErrLayerNotMounted is returned when the requested information can only be computed for a mounted layer, and the layer is not mounted.
-	ErrLayerNotMounted = errors.New("layer is not mounted")
+	ErrLayerNotMounted = types.ErrLayerNotMounted
+	// ErrLayerUnknown indicates that there was no layer with the specified name or ID.
+	ErrLayerUnknown = types.ErrLayerUnknown
+	// ErrLayerUsedByContainer is returned when the caller attempts to delete a layer that is a container's layer.
+	ErrLayerUsedByContainer = types.ErrLayerUsedByContainer
+	// ErrLayerUsedByImage is returned when the caller attempts to delete a layer that is an image's top layer.
+	ErrLayerUsedByImage = types.ErrLayerUsedByImage
+	// ErrLoadError indicates that there was an initialization error.
+	ErrLoadError = types.ErrLoadError
+	// ErrNotAContainer is returned when the caller attempts to delete a container that isn't a container.
+	ErrNotAContainer = types.ErrNotAContainer
+	// ErrNotALayer is returned when the caller attempts to delete a layer that isn't a layer.
+	ErrNotALayer = types.ErrNotALayer
+	// ErrNotAnID is returned when the caller attempts to read or write metadata from an item that doesn't exist.
+	ErrNotAnID = types.ErrNotAnID
+	// ErrNotAnImage is returned when the caller attempts to delete an image that isn't an image.
+	ErrNotAnImage = types.ErrNotAnImage
+	// ErrParentIsContainer is returned when a caller attempts to create a layer as a child of a container's layer.
+	ErrParentIsContainer = types.ErrParentIsContainer
+	// ErrParentUnknown indicates that we didn't record the ID of the parent of the specified layer.
+	ErrParentUnknown = types.ErrParentUnknown
+	// ErrSizeUnknown is returned when the caller asks for the size of a big data item, but the Store couldn't determine the answer.
+	ErrSizeUnknown = types.ErrSizeUnknown
+	// ErrStoreIsReadOnly is returned when the caller makes a call to a read-only store that would require modifying its contents.
+	ErrStoreIsReadOnly = types.ErrStoreIsReadOnly
 )

vendor/github.com/containers/storage/go.mod

@@ -4,27 +4,27 @@ module github.com/containers/storage
 
 require (
 	github.com/BurntSushi/toml v0.3.1
-	github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331
-	github.com/Microsoft/hcsshim v0.8.14
+	github.com/Microsoft/go-winio v0.4.17-0.20210211115548-6eac466e5fa3
+	github.com/Microsoft/hcsshim v0.8.15
 	github.com/docker/go-units v0.4.0
-	github.com/hashicorp/go-multierror v1.1.0
-	github.com/klauspost/compress v1.11.7
+	github.com/hashicorp/go-multierror v1.1.1
+	github.com/klauspost/compress v1.11.12
 	github.com/klauspost/pgzip v1.2.5
 	github.com/mattn/go-shellwords v1.0.11
-	github.com/mistifyio/go-zfs v2.1.1+incompatible
-	github.com/moby/sys/mountinfo v0.4.0
+	github.com/mistifyio/go-zfs v2.1.2-0.20190413222219-f784269be439+incompatible
+	github.com/moby/sys/mountinfo v0.4.1
 	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/runc v1.0.0-rc93
+	github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
 	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
+	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.7.0
-	github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2
+	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635
 	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 v0.0.0-20201201145000-ef89a241ccb3
+	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
+	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
 	gotest.tools v2.2.0+incompatible
 )

vendor/github.com/containers/storage/go.sum

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vendor/github.com/containers/storage/pkg/archive/archive.go

@@ -99,6 +99,12 @@ func NewDefaultArchiver() *Archiver {
 // in order for the test to pass.
 type breakoutError error
 
+// overwriteError is used to differentiate errors related to attempting to
+// overwrite a directory with a non-directory or vice-versa.  When testing
+// copying a file over a directory, this error is expected in order for the
+// test to pass.
+type overwriteError error
+
 const (
 	// Uncompressed represents the uncompressed.
 	Uncompressed Compression = iota
@@ -437,9 +443,16 @@ func ReadUserXattrToTarHeader(path string, hdr *tar.Header) error {
 	return nil
 }
 
-type tarWhiteoutConverter interface {
+type TarWhiteoutHandler interface {
+	Setxattr(path, name string, value []byte) error
+	Mknod(path string, mode uint32, dev int) error
+	Chown(path string, uid, gid int) error
+}
+
+type TarWhiteoutConverter interface {
 	ConvertWrite(*tar.Header, string, os.FileInfo) (*tar.Header, error)
 	ConvertRead(*tar.Header, string) (bool, error)
+	ConvertReadWithHandler(*tar.Header, string, TarWhiteoutHandler) (bool, error)
 }
 
 type tarAppender struct {
@@ -455,7 +468,7 @@ type tarAppender struct {
 	// non standard format. The whiteout files defined
 	// by the AUFS standard are used as the tar whiteout
 	// standard.
-	WhiteoutConverter tarWhiteoutConverter
+	WhiteoutConverter TarWhiteoutConverter
 	// CopyPass indicates that the contents of any archive we're creating
 	// will instantly be extracted and written to disk, so we can deviate
 	// from the traditional behavior/format to get features like subsecond
@@ -792,7 +805,7 @@ func TarWithOptions(srcPath string, options *TarOptions) (io.ReadCloser, error)
 			compressWriter,
 			options.ChownOpts,
 		)
-		ta.WhiteoutConverter = getWhiteoutConverter(options.WhiteoutFormat, options.WhiteoutData)
+		ta.WhiteoutConverter = GetWhiteoutConverter(options.WhiteoutFormat, options.WhiteoutData)
 		ta.CopyPass = options.CopyPass
 
 		defer func() {
@@ -952,11 +965,11 @@ func Unpack(decompressedArchive io.Reader, dest string, options *TarOptions) err
 	var dirs []*tar.Header
 	idMappings := idtools.NewIDMappingsFromMaps(options.UIDMaps, options.GIDMaps)
 	rootIDs := idMappings.RootPair()
-	whiteoutConverter := getWhiteoutConverter(options.WhiteoutFormat, options.WhiteoutData)
+	whiteoutConverter := GetWhiteoutConverter(options.WhiteoutFormat, options.WhiteoutData)
 	buffer := make([]byte, 1<<20)
 
 	if options.ForceMask != nil {
-		uid, gid, mode, err := getFileOwner(dest)
+		uid, gid, mode, err := GetFileOwner(dest)
 		if err == nil {
 			value := fmt.Sprintf("%d:%d:0%o", uid, gid, mode)
 			if err := system.Lsetxattr(dest, containersOverrideXattr, []byte(value), 0); err != nil {
@@ -1020,13 +1033,13 @@ loop:
 			if options.NoOverwriteDirNonDir && fi.IsDir() && hdr.Typeflag != tar.TypeDir {
 				// If NoOverwriteDirNonDir is true then we cannot replace
 				// an existing directory with a non-directory from the archive.
-				return fmt.Errorf("cannot overwrite directory %q with non-directory %q", path, dest)
+				return overwriteError(fmt.Errorf("cannot overwrite directory %q with non-directory %q", path, dest))
 			}
 
 			if options.NoOverwriteDirNonDir && !fi.IsDir() && hdr.Typeflag == tar.TypeDir {
 				// If NoOverwriteDirNonDir is true then we cannot replace
 				// an existing non-directory with a directory from the archive.
-				return fmt.Errorf("cannot overwrite non-directory %q with directory %q", path, dest)
+				return overwriteError(fmt.Errorf("cannot overwrite non-directory %q with directory %q", path, dest))
 			}
 
 			if fi.IsDir() && hdr.Name == "." {

vendor/github.com/containers/storage/pkg/archive/archive_ffjson.go

@@ -1945,7 +1945,7 @@ func (j *tarAppender) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
 		buf.WriteString(`,"ChownOpts":null`)
 	}
 	buf.WriteString(`,"WhiteoutConverter":`)
-	/* Interface types must use runtime reflection. type=archive.tarWhiteoutConverter kind=interface */
+	/* Interface types must use runtime reflection. type=archive.TarWhiteoutConverter kind=interface */
 	err = buf.Encode(j.WhiteoutConverter)
 	if err != nil {
 		return err
@@ -2393,10 +2393,10 @@ handle_ChownOpts:
 
 handle_WhiteoutConverter:
 
-	/* handler: j.WhiteoutConverter type=archive.tarWhiteoutConverter kind=interface quoted=false*/
+	/* handler: j.WhiteoutConverter type=archive.TarWhiteoutConverter kind=interface quoted=false*/
 
 	{
-		/* Falling back. type=archive.tarWhiteoutConverter kind=interface */
+		/* Falling back. type=archive.TarWhiteoutConverter kind=interface */
 		tbuf, err := fs.CaptureField(tok)
 		if err != nil {
 			return fs.WrapErr(err)

vendor/github.com/containers/storage/pkg/archive/archive_linux.go

@@ -12,7 +12,7 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-func getWhiteoutConverter(format WhiteoutFormat, data interface{}) tarWhiteoutConverter {
+func GetWhiteoutConverter(format WhiteoutFormat, data interface{}) TarWhiteoutConverter {
 	if format == OverlayWhiteoutFormat {
 		if rolayers, ok := data.([]string); ok && len(rolayers) > 0 {
 			return overlayWhiteoutConverter{rolayers: rolayers}
@@ -108,13 +108,13 @@ func (o overlayWhiteoutConverter) ConvertWrite(hdr *tar.Header, path string, fi
 	return
 }
 
-func (overlayWhiteoutConverter) ConvertRead(hdr *tar.Header, path string) (bool, error) {
+func (overlayWhiteoutConverter) ConvertReadWithHandler(hdr *tar.Header, path string, handler TarWhiteoutHandler) (bool, error) {
 	base := filepath.Base(path)
 	dir := filepath.Dir(path)
 
 	// if a directory is marked as opaque by the AUFS special file, we need to translate that to overlay
 	if base == WhiteoutOpaqueDir {
-		err := unix.Setxattr(dir, "trusted.overlay.opaque", []byte{'y'}, 0)
+		err := handler.Setxattr(dir, "trusted.overlay.opaque", []byte{'y'})
 		// don't write the file itself
 		return false, err
 	}
@@ -124,10 +124,10 @@ func (overlayWhiteoutConverter) ConvertRead(hdr *tar.Header, path string) (bool,
 		originalBase := base[len(WhiteoutPrefix):]
 		originalPath := filepath.Join(dir, originalBase)
 
-		if err := unix.Mknod(originalPath, unix.S_IFCHR, 0); err != nil {
+		if err := handler.Mknod(originalPath, unix.S_IFCHR, 0); err != nil {
 			return false, err
 		}
-		if err := idtools.SafeChown(originalPath, hdr.Uid, hdr.Gid); err != nil {
+		if err := handler.Chown(originalPath, hdr.Uid, hdr.Gid); err != nil {
 			return false, err
 		}
 
@@ -138,12 +138,32 @@ func (overlayWhiteoutConverter) ConvertRead(hdr *tar.Header, path string) (bool,
 	return true, nil
 }
 
+type directHandler struct {
+}
+
+func (d directHandler) Setxattr(path, name string, value []byte) error {
+	return unix.Setxattr(path, name, value, 0)
+}
+
+func (d directHandler) Mknod(path string, mode uint32, dev int) error {
+	return unix.Mknod(path, mode, dev)
+}
+
+func (d directHandler) Chown(path string, uid, gid int) error {
+	return idtools.SafeChown(path, uid, gid)
+}
+
+func (o overlayWhiteoutConverter) ConvertRead(hdr *tar.Header, path string) (bool, error) {
+	var handler directHandler
+	return o.ConvertReadWithHandler(hdr, path, handler)
+}
+
 func isWhiteOut(stat os.FileInfo) bool {
 	s := stat.Sys().(*syscall.Stat_t)
 	return major(uint64(s.Rdev)) == 0 && minor(uint64(s.Rdev)) == 0
 }
 
-func getFileOwner(path string) (uint32, uint32, uint32, error) {
+func GetFileOwner(path string) (uint32, uint32, uint32, error) {
 	f, err := os.Stat(path)
 	if err != nil {
 		return 0, 0, 0, err

vendor/github.com/containers/storage/pkg/archive/archive_other.go

@@ -2,10 +2,10 @@
 
 package archive
 
-func getWhiteoutConverter(format WhiteoutFormat, data interface{}) tarWhiteoutConverter {
+func GetWhiteoutConverter(format WhiteoutFormat, data interface{}) TarWhiteoutConverter {
 	return nil
 }
 
-func getFileOwner(path string) (uint32, uint32, uint32, error) {
+func GetFileOwner(path string) (uint32, uint32, uint32, error) {
 	return 0, 0, 0, nil
 }

vendor/github.com/containers/storage/pkg/archive/changes_linux.go

@@ -296,8 +296,14 @@ func parseDirent(buf []byte, names []nameIno) (consumed int, newnames []nameIno)
 		if dirent.Ino == 0 { // File absent in directory.
 			continue
 		}
-		bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
-		var name = string(bytes[0:clen(bytes[:])])
+		builder := make([]byte, 0, dirent.Reclen)
+		for i := 0; i < len(dirent.Name); i++ {
+			if dirent.Name[i] == 0 {
+				break
+			}
+			builder = append(builder, byte(dirent.Name[i]))
+		}
+		name := string(builder)
 		if name == "." || name == ".." { // Useless names
 			continue
 		}
@@ -306,15 +312,6 @@ func parseDirent(buf []byte, names []nameIno) (consumed int, newnames []nameIno)
 	return origlen - len(buf), names
 }
 
-func clen(n []byte) int {
-	for i := 0; i < len(n); i++ {
-		if n[i] == 0 {
-			return i
-		}
-	}
-	return len(n)
-}
-
 // OverlayChanges walks the path rw and determines changes for the files in the path,
 // with respect to the parent layers
 func OverlayChanges(layers []string, rw string) ([]Change, error) {

vendor/github.com/containers/storage/pkg/directory/directory_unix.go

@@ -35,7 +35,7 @@ func Usage(dir string) (usage *DiskUsage, err error) {
 			return nil
 		}
 
-		// Check inode to handle hard links correctly
+		// Check inode to only count the sizes of files with multiple hard links once.
 		inode := fileInfo.Sys().(*syscall.Stat_t).Ino
 		// inode is not a uint64 on all platforms. Cast it to avoid issues.
 		if _, exists := data[uint64(inode)]; exists {
@@ -45,9 +45,6 @@ func Usage(dir string) (usage *DiskUsage, err error) {
 		// inode is not a uint64 on all platforms. Cast it to avoid issues.
 		data[uint64(inode)] = struct{}{}
 
-		// Count the unique inode
-		usage.InodeCount++
-
 		// Ignore directory sizes
 		if fileInfo.IsDir() {
 			return nil
@@ -57,5 +54,7 @@ func Usage(dir string) (usage *DiskUsage, err error) {
 
 		return nil
 	})
+	// inode count is the number of unique inode numbers we saw
+	usage.InodeCount = int64(len(data))
 	return
 }