Merge branch 'main' into add-read-write-uuid-volume-name-options

cmd/containerd-shim-runhcs-v1/containerd-shim-runhcs-v1.exe.manifest

@@ -7,4 +7,10 @@
             <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
         </application>
     </compatibility>
+    <application xmlns="urn:schemas-microsoft-com:asm.v3">
+        <!-- Long Path Enablement -->
+        <windowsSettings xmlns:ws2="http://schemas.microsoft.com/SMI/2016/WindowsSettings">
+            <ws2:longPathAware>true</ws2:longPathAware>
+        </windowsSettings>
+    </application>
 </assembly>

cmd/containerd-shim-runhcs-v1/service.go

@@ -12,7 +12,7 @@ import (
 	"time"
 
 	task "github.com/containerd/containerd/api/runtime/task/v2"
-	"github.com/containerd/errdefs"
+	errdefs "github.com/containerd/errdefs/pkg/errgrpc"
 	"go.opencensus.io/trace"
 	"google.golang.org/protobuf/types/known/emptypb"
 

cmd/containerd-shim-runhcs-v1/versioninfo.json

@@ -20,15 +20,15 @@
     },
     "StringFileInfo": {
         "Comments": "",
-        "CompanyName": "",
+        "CompanyName": "Microsoft",
         "FileDescription": "",
         "FileVersion": "",
         "InternalName": "",
         "LegalCopyright": "",
         "LegalTrademarks": "",
-        "OriginalFilename": "",
+        "OriginalFilename": "containerd-shim-runhcs-v1.exe",
         "PrivateBuild": "",
-        "ProductName": "",
+        "ProductName": "runhcs shim",
         "ProductVersion": "v1.0.0.0",
         "SpecialBuild": ""
     },

cmd/dmverity-vhd/README.md

@@ -28,12 +28,36 @@ Create VHDs:
 dmverity-vhd create -i alpine:3.12 -o alpine_3_12_layers
 ```
 
+Output:
+
+```text
+Layer VHD created at alpine_3_12_layers\1ad27bdd166b922492031b1938a4fb2f775e3d98c8f1b72051dad0570a4dd1b5.vhd
+```
+
+Create VHDs from a directory tarball:
+
+```bash
+dmverity-vhd create -i data.tar -o data_vhd -dir
+```
+
+Output:
+
+```text
+Directory VHD created at data_vhd\data.vhd
+```
+
 Compute root hashes:
 
 ```bash
 dmverity-vhd --docker roothash -i alpine:3.12
 ```
 
+Output:
+
+```text
+Layer 0 root hash: 71702a459fa5e6574337e014d9d3936bcf7cb448aaffe3814883caa01fbb4827
+```
+
 Compute root hashes with tarball:
 
 ```bash

cmd/dmverity-vhd/main.go

@@ -28,13 +28,14 @@ const usage = `dmverity-vhd is a command line tool for creating LCOW layer VHDs
 const (
 	usernameFlag       = "username"
 	passwordFlag       = "password"
-	imageFlag          = "image"
+	inputFlag          = "input"
 	verboseFlag        = "verbose"
 	outputDirFlag      = "out-dir"
 	dockerFlag         = "docker"
 	bufferedReaderFlag = "buffered-reader"
 	tarballFlag        = "tarball"
 	hashDeviceVhdFlag  = "hash-dev-vhd"
+	dataVhdFlag        = "data-vhd"
 	maxVHDSize         = dmverity.RecommendedVHDSizeGB
 )
 
@@ -305,7 +306,7 @@ func processRemoteImage(imageName string, username string, password string, onLa
 }
 
 func processImageLayers(ctx *cli.Context, onLayer LayerProcessor) (layerDigests map[int]string, layerIDs map[int]string, err error) {
-	imageName := ctx.String(imageFlag)
+	imageName := ctx.String(inputFlag)
 	tarballPath := ctx.GlobalString(tarballFlag)
 	useDocker := ctx.GlobalBool(dockerFlag)
 
@@ -431,8 +432,8 @@ var createVHDCommand = cli.Command{
 	Usage: "creates LCOW layer VHDs inside the output directory with dm-verity super block and merkle tree appended at the end",
 	Flags: []cli.Flag{
 		cli.StringFlag{
-			Name:     imageFlag + ",i",
-			Usage:    "Required: container image reference",
+			Name:     inputFlag + ",image,i",
+			Usage:    "Required: container image reference or path directory tarfile to create a VHD from",
 			Required: true,
 		},
 		cli.StringFlag{
@@ -452,6 +453,10 @@ var createVHDCommand = cli.Command{
 			Name:  hashDeviceVhdFlag + ",hdv",
 			Usage: "Optional: save hash-device as a VHD",
 		},
+		cli.BoolFlag{
+			Name:  dataVhdFlag + ",dir",
+			Usage: "Optional: save directory tarfile as a VHD",
+		},
 	},
 	Action: func(ctx *cli.Context) error {
 		verbose := ctx.GlobalBool(verboseFlag)
@@ -459,6 +464,7 @@ var createVHDCommand = cli.Command{
 			log.SetLevel(log.DebugLevel)
 		}
 		verityHashDev := ctx.Bool(hashDeviceVhdFlag)
+		verityData := ctx.Bool(dataVhdFlag)
 
 		outDir := ctx.String(outputDirFlag)
 		if _, err := os.Stat(outDir); os.IsNotExist(err) {
@@ -468,6 +474,31 @@ var createVHDCommand = cli.Command{
 			}
 		}
 
+		if verityData {
+			dirName := ctx.String(inputFlag)
+			log.Debugf("creating VHD from directory tarball at: %q", dirName)
+			dirReader, err := fetchImageTarball(dirName)
+			if err != nil {
+				return fmt.Errorf("failed to get tar file reader from tarball %s: %w", dirName, err)
+			}
+			if err := createVHD(dirName, dirReader, verityHashDev, outDir); err != nil {
+				return fmt.Errorf("failed to create VHD from directory %s: %w", dirName, err)
+			}
+			sanitisedDirName := sanitiseVHDFilename(dirName)
+			src := filepath.Join(os.TempDir(), sanitisedDirName+".vhd")
+			if _, err := os.Stat(src); os.IsNotExist(err) {
+				return fmt.Errorf("directory VHD %s does not exist", src)
+			}
+
+			dst := filepath.Join(outDir, sanitisedDirName+".vhd")
+			if err := moveFile(src, dst); err != nil {
+				return err
+			}
+
+			fmt.Fprintf(os.Stdout, "Directory VHD created at %s\n", dst)
+			return nil
+		}
+
 		createVHDLayer := func(layerID string, layerReader io.Reader) error {
 			return createVHD(layerID, layerReader, verityHashDev, outDir)
 		}
@@ -504,7 +535,6 @@ var createVHDCommand = cli.Command{
 			}
 
 		}
-
 		return nil
 	},
 }
@@ -514,7 +544,7 @@ var rootHashVHDCommand = cli.Command{
 	Usage: "compute root hashes for each LCOW layer VHD",
 	Flags: []cli.Flag{
 		cli.StringFlag{
-			Name:     imageFlag + ",i",
+			Name:     inputFlag + ",image,i",
 			Usage:    "Required: container image reference",
 			Required: true,
 		},

ext4/internal/compactext4/compact.go

@@ -541,6 +541,7 @@ func (w *Writer) lookup(name string, mustExist bool) (*inode, *inode, string, er
 // with the same permissions as that of it's parent directory. It is expected that the a
 // call to make these parent directories will be made at a later point with the correct
 // permissions, at that time the permissions of these directories will be updated.
+// We treat Atime, Mtime, Ctime, and Crtime in the same way.
 func (w *Writer) MakeParents(name string) error {
 	if err := w.finishInode(); err != nil {
 		return err
@@ -559,10 +560,10 @@ func (w *Writer) MakeParents(name string) error {
 		if _, ok := root.Children[dirname]; !ok {
 			f := &File{
 				Mode:     root.Mode,
-				Atime:    time.Now(),
-				Mtime:    time.Now(),
-				Ctime:    time.Now(),
-				Crtime:   time.Now(),
+				Atime:    fsTimeToTime(root.Atime),
+				Mtime:    fsTimeToTime(root.Mtime),
+				Ctime:    fsTimeToTime(root.Ctime),
+				Crtime:   fsTimeToTime(root.Crtime),
 				Size:     0,
 				Uid:      root.Uid,
 				Gid:      root.Gid,

ext4/tar2ext4/tar2ext4_test.go

@@ -1,6 +1,9 @@
 package tar2ext4
 
 import (
+	"crypto/sha256"
+	"fmt"
+	"io"
 	"path/filepath"
 	"testing"
 
@@ -162,3 +165,76 @@ func Test_TarHardlinkToSymlink(t *testing.T) {
 		t.Fatalf("failed to convert tar to layer vhd: %s", err)
 	}
 }
+
+func calcExt4Sha256(t *testing.T, layerTar *os.File) string {
+	t.Helper()
+	if _, err := layerTar.Seek(0, 0); err != nil {
+		t.Fatalf("failed to seek file: %s", err)
+	}
+
+	opts := []Option{ConvertWhiteout}
+
+	tmpExt4Path := filepath.Join(os.TempDir(), "test.ext4")
+	layerVhd, err := os.Create(tmpExt4Path)
+	if err != nil {
+		t.Fatalf("failed to create output VHD: %s", err)
+	}
+	defer os.Remove(tmpExt4Path)
+
+	if err := Convert(layerTar, layerVhd, opts...); err != nil {
+		t.Fatalf("failed to convert tar to layer vhd: %s", err)
+	}
+
+	if _, err := layerVhd.Seek(0, 0); err != nil {
+		t.Fatalf("failed to seek file: %s", err)
+	}
+
+	hasher := sha256.New()
+	if _, err = io.Copy(hasher, layerVhd); err != nil {
+		t.Fatalf("filed to initialize hasher: %s", err)
+	}
+
+	hash := hasher.Sum(nil)
+	return fmt.Sprintf("%x", hash)
+}
+
+// Test_MissingParentDirExpansion tests that we are correctly able to expand a layer tar file
+// even if its file does not include the parent directory in its file name.
+func Test_MissingParentDirExpansion(t *testing.T) {
+	tmpTarFilePath := filepath.Join(os.TempDir(), "test-layer.tar")
+	layerTar, err := os.Create(tmpTarFilePath)
+	if err != nil {
+		t.Fatalf("failed to create output file: %s", err)
+	}
+	defer os.Remove(tmpTarFilePath)
+
+	tw := tar.NewWriter(layerTar)
+	var file = struct {
+		path, body string
+	}{"foo/bar.txt", "inside bar.txt"}
+	hdr := &tar.Header{
+		Name:       file.path,
+		Mode:       0777,
+		Size:       int64(len(file.body)),
+		ModTime:    time.Now(),
+		AccessTime: time.Now(),
+		ChangeTime: time.Now(),
+	}
+	if err := tw.WriteHeader(hdr); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := tw.Write([]byte(file.body)); err != nil {
+		t.Fatal(err)
+	}
+	if err := tw.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	// Now import the tar file and check the conversion to ext4 is deterministic.
+	hash1 := calcExt4Sha256(t, layerTar)
+	hash2 := calcExt4Sha256(t, layerTar)
+
+	if hash1 != hash2 {
+		t.Fatalf("hash doesn't match")
+	}
+}

go.mod

@@ -1,43 +1,44 @@
 module github.com/Microsoft/hcsshim
 
-go 1.21
+go 1.22
 
 require (
-	github.com/Microsoft/cosesign1go v1.1.0
+	github.com/Microsoft/cosesign1go v1.2.0
 	github.com/Microsoft/didx509go v0.0.3
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/blang/semver/v4 v4.0.0
 	github.com/cenkalti/backoff/v4 v4.3.0
 	github.com/containerd/cgroups/v3 v3.0.3
 	github.com/containerd/console v1.0.4
-	github.com/containerd/containerd v1.7.20
+	github.com/containerd/containerd v1.7.23
 	github.com/containerd/containerd/api v1.7.19
-	github.com/containerd/errdefs v0.1.0
+	github.com/containerd/errdefs v0.3.0
+	github.com/containerd/errdefs/pkg v0.3.0
 	github.com/containerd/go-runc v1.0.0
 	github.com/containerd/protobuild v0.3.0
 	github.com/containerd/ttrpc v1.2.5
-	github.com/containerd/typeurl/v2 v2.1.1
-	github.com/docker/docker v27.1.1+incompatible
+	github.com/containerd/typeurl/v2 v2.2.0
+	github.com/docker/docker v27.2.0+incompatible
 	github.com/google/go-cmp v0.6.0
 	github.com/google/go-containerregistry v0.20.1
 	github.com/josephspurrier/goversioninfo v1.4.0
 	github.com/linuxkit/virtsock v0.0.0-20201010232012-f8cee7dfc7a3
 	github.com/mattn/go-shellwords v1.0.12
-	github.com/open-policy-agent/opa v0.67.1
-	github.com/opencontainers/runc v1.1.12
+	github.com/open-policy-agent/opa v0.68.0
+	github.com/opencontainers/runc v1.1.14
 	github.com/opencontainers/runtime-spec v1.2.0
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.3
 	github.com/urfave/cli v1.22.15
-	github.com/vishvananda/netlink v1.2.1-beta.2
+	github.com/vishvananda/netlink v1.3.0
 	github.com/vishvananda/netns v0.0.4
 	go.etcd.io/bbolt v1.3.10
 	go.opencensus.io v0.24.0
 	go.uber.org/mock v0.4.0
-	golang.org/x/sync v0.7.0
-	golang.org/x/sys v0.23.0
-	google.golang.org/grpc v1.65.0
+	golang.org/x/sync v0.8.0
+	golang.org/x/sys v0.25.0
+	google.golang.org/grpc v1.67.0
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1
 	google.golang.org/protobuf v1.34.2
 )
@@ -76,7 +77,7 @@ require (
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/mux v1.8.1 // indirect
-	github.com/klauspost/compress v1.17.0 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/lestrrat-go/backoff/v2 v2.0.8 // indirect
 	github.com/lestrrat-go/blackmagic v1.0.2 // indirect
 	github.com/lestrrat-go/httpcc v1.0.1 // indirect
@@ -87,18 +88,20 @@ require (
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/sys/mountinfo v0.6.2 // indirect
 	github.com/moby/sys/sequential v0.5.0 // indirect
+	github.com/moby/sys/userns v0.1.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/prometheus/client_golang v1.19.1 // indirect
+	github.com/prometheus/client_golang v1.20.2 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.48.0 // indirect
-	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
 	github.com/vbatts/tar-split v0.11.3 // indirect
-	github.com/veraison/go-cose v1.2.0 // indirect
+	github.com/veraison/go-cose v1.1.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
@@ -108,13 +111,13 @@ require (
 	go.opentelemetry.io/otel/metric v1.28.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.28.0 // indirect
 	go.opentelemetry.io/otel/trace v1.28.0 // indirect
-	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/crypto v0.26.0 // indirect
 	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/net v0.28.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
 	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
 	google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
 )

go.sum

@@ -4,8 +4,8 @@ github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg6
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
-github.com/Microsoft/cosesign1go v1.1.0 h1:JnHY2wQkIK4HmstaK5rMdM4S83nIC7fJmD1phOLj9qo=
-github.com/Microsoft/cosesign1go v1.1.0/go.mod h1:o+sw7nhlGE6twhfjXQDWmBJO8zmfQXEmCcXEi3zha8I=
+github.com/Microsoft/cosesign1go v1.2.0 h1:Hpj/mI6kP1eBkaOv9XEBRwO+Ju24k8XIo/A+OQyjmlw=
+github.com/Microsoft/cosesign1go v1.2.0/go.mod h1:1La/HcGw19rRLhPW0S6u55K6LKfti+GQSgGCtrfhVe8=
 github.com/Microsoft/didx509go v0.0.3 h1:n/owuFOXVzCEzSyzivMEolKEouBm9G0NrEDgoTekM8A=
 github.com/Microsoft/didx509go v0.0.3/go.mod h1:wWt+iQsLzn3011+VfESzznLIp/Owhuj7rLF7yLglYbk=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
@@ -38,14 +38,16 @@ github.com/containerd/cgroups/v3 v3.0.3/go.mod h1:8HBe7V3aWGLFPd/k03swSIsGjZhHI2
 github.com/containerd/console v1.0.1/go.mod h1:XUsP6YE/mKtz6bxc+I8UiKKTP04qjQL4qcS3XoQ5xkw=
 github.com/containerd/console v1.0.4 h1:F2g4+oChYvBTsASRTz8NP6iIAi97J3TtSAsLbIFn4ro=
 github.com/containerd/console v1.0.4/go.mod h1:YynlIjWYF8myEu6sdkwKIvGQq+cOckRm6So2avqoYAk=
-github.com/containerd/containerd v1.7.20 h1:Sl6jQYk3TRavaU83h66QMbI2Nqg9Jm6qzwX57Vsn1SQ=
-github.com/containerd/containerd v1.7.20/go.mod h1:52GsS5CwquuqPuLncsXwG0t2CiUce+KsNHJZQJvAgR0=
+github.com/containerd/containerd v1.7.23 h1:H2CClyUkmpKAGlhQp95g2WXHfLYc7whAuvZGBNYOOwQ=
+github.com/containerd/containerd v1.7.23/go.mod h1:7QUzfURqZWCZV7RLNEn1XjUCQLEf0bkaK4GjUaZehxw=
 github.com/containerd/containerd/api v1.7.19 h1:VWbJL+8Ap4Ju2mx9c9qS1uFSB1OVYr5JJrW2yT5vFoA=
 github.com/containerd/containerd/api v1.7.19/go.mod h1:fwGavl3LNwAV5ilJ0sbrABL44AQxmNjDRcwheXDb6Ig=
 github.com/containerd/continuity v0.4.2 h1:v3y/4Yz5jwnvqPKJJ+7Wf93fyWoCB3F5EclWG023MDM=
 github.com/containerd/continuity v0.4.2/go.mod h1:F6PTNCKepoxEaXLQp3wDAjygEnImnZ/7o4JzpodfroQ=
-github.com/containerd/errdefs v0.1.0 h1:m0wCRBiu1WJT/Fr+iOoQHMQS/eP5myQ8lCv4Dz5ZURM=
-github.com/containerd/errdefs v0.1.0/go.mod h1:YgWiiHtLmSeBrvpw+UfPijzbLaB77mEG1WwJTDETIV0=
+github.com/containerd/errdefs v0.3.0 h1:FSZgGOeK4yuT/+DnF07/Olde/q4KBoMsaamhXxIMDp4=
+github.com/containerd/errdefs v0.3.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
+github.com/containerd/errdefs/pkg v0.3.0 h1:9IKJ06FvyNlexW690DXuQNx2KA2cUJXx151Xdx3ZPPE=
+github.com/containerd/errdefs/pkg v0.3.0/go.mod h1:NJw6s9HwNuRhnjJhM7pylWwMyAkmCQvQ4GpJHEqRLVk=
 github.com/containerd/fifo v1.1.0 h1:4I2mbh5stb1u6ycIABlBw9zgtlK8viPI9QkQNRQEEmY=
 github.com/containerd/fifo v1.1.0/go.mod h1:bmC4NWMbXlt2EZ0Hc7Fx7QzTFxgPID13eH0Qu+MAb2o=
 github.com/containerd/go-runc v1.0.0 h1:oU+lLv1ULm5taqgV/CJivypVODI4SUz1znWjv3nNYS0=
@@ -58,17 +60,16 @@ github.com/containerd/stargz-snapshotter/estargz v0.14.3 h1:OqlDCK3ZVUO6C3B/5FSk
 github.com/containerd/stargz-snapshotter/estargz v0.14.3/go.mod h1:KY//uOCIkSuNAHhJogcZtrNHdKrA99/FCCRjE3HD36o=
 github.com/containerd/ttrpc v1.2.5 h1:IFckT1EFQoFBMG4c3sMdT8EP3/aKfumK1msY+Ze4oLU=
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@@ -84,8 +85,8 @@ github.com/docker/cli v24.0.0+incompatible h1:0+1VshNwBQzQAx9lOl+OYCTCEAD8fKs/qe
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@@ -125,8 +126,8 @@ github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5x
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@@ -171,8 +172,8 @@ github.com/josephspurrier/goversioninfo v1.4.0 h1:Puhl12NSHUSALHSuzYwPYQkqa2E1+7
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@@ -204,18 +205,22 @@ github.com/moby/sys/mountinfo v0.6.2 h1:BzJjoreD5BMFNmD9Rus6gdd1pLuecOFPt8wC+Vyg
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@@ -227,15 +232,15 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -266,11 +271,10 @@ github.com/urfave/cli v1.22.15 h1:nuqt+pdC/KqswQKhETJjo7pvn/k4xMUxgW6liI7XpnM=
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@@ -315,8 +319,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
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@@ -343,8 +347,8 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
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-golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
+golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
+golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -354,14 +358,12 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200916030750-2334cc1a136f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -374,12 +376,14 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220906165534-d0df966e6959/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
-golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -393,10 +397,10 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
-golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
-golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+golang.org/x/time v0.6.0 h1:eTDhh4ZXt5Qf0augr54TN6suAUudPcawVZeIAPU7D4U=
+golang.org/x/time v0.6.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -421,18 +425,18 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de h1:F6qOa9AZTYJXOUEr4jDysRDLrm4PHePlge4v4TGAlxY=
 google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:VUhTRKeHn9wwcdrk73nvdC9gF178Tzhmt/qyaFcPLSo=
-google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 h1:0+ozOGcrp+Y8Aq8TLNN2Aliibms5LEzsq99ZZmAGYm0=
-google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094/go.mod h1:fJ/e3If/Q67Mj99hin0hMhiNyCRmt6BQ2aWIJshUSJw=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 h1:BwIjyKYGsK9dMCBOorzRri8MQwmi7mT9rGHsCEinZkA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
+google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 h1:wKguEg1hsxI2/L3hUYrpo1RVi48K+uTyzKqprwLXsb8=
+google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142/go.mod h1:d6be+8HhtEtucleCbxpPW9PA9XwISACu8nvpPqF0BVo=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.28.1/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
-google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1 h1:F29+wU6Ee6qgu9TddPgooOdaqsxTMunOoj8KA5yuS5A=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1/go.mod h1:5KF+wpkbTSbGcR9zteSqZV6fqFOWBl4Yde8En8MryZA=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=

init/init.c

@@ -625,7 +625,8 @@ void start_services() {
         dmesgWarn("nv-fabricmanager not present, skipping ");
     } else {
         dmesgInfo("start nv-fabricmanager daemon");
-        pid_t fm_pid = launch(1, &fm_name);
+        char* command[] = {fm_name, "-c", "/usr/share/nvidia/nvswitch/fabricmanager.cfg"};
+        pid_t fm_pid = launch(3, command);
         if (fm_pid < 0) {
             // do not return early if we fail to start this, since it's possible that
             // this service doesn't exist on the system, which is a valid scenario

internal/devices/drivers.go

@@ -60,6 +60,7 @@ func InstallDrivers(ctx context.Context, vm *uvm.UtilityVM, share string) (close
 		share,
 		true,
 		vm.ID(),
+		"",
 		&scsi.MountConfig{},
 	)
 	if err != nil {

internal/gcs/guestcaps.go

@@ -0,0 +1,102 @@
+//go:build windows
+
+package gcs
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/Microsoft/hcsshim/internal/guest/prot"
+	"github.com/Microsoft/hcsshim/internal/hcs/schema1"
+)
+
+// GuestDefinedCapabilities is an interface for different guest defined capabilities.
+// This allows us to define different capabilities by OS.
+//
+// When adding new fields to the implementations of type GuestDefinedCapabilities, a
+// new interface function should only be added if that capability describes a feature
+// available for both WCOW and LCOW. Otherwise, you can use the helper functions
+// GetWCOWCapabilities or GetLCOWCapabilities to check for capabilities specific to
+// one implementation.
+type GuestDefinedCapabilities interface {
+	IsSignalProcessSupported() bool
+	IsDeleteContainerStateSupported() bool
+	IsDumpStacksSupported() bool
+	IsNamespaceAddRequestSupported() bool
+}
+
+func GetWCOWCapabilities(gdc GuestDefinedCapabilities) *WCOWGuestDefinedCapabilities {
+	g, ok := gdc.(*WCOWGuestDefinedCapabilities)
+	if !ok {
+		return nil
+	}
+	return g
+}
+
+func GetLCOWCapabilities(gdc GuestDefinedCapabilities) *LCOWGuestDefinedCapabilities {
+	g, ok := gdc.(*LCOWGuestDefinedCapabilities)
+	if !ok {
+		return nil
+	}
+	return g
+}
+
+func unmarshalGuestCapabilities(os string, data json.RawMessage) (GuestDefinedCapabilities, error) {
+	if os == "windows" {
+		gdc := &WCOWGuestDefinedCapabilities{}
+		if err := json.Unmarshal(data, gdc); err != nil {
+			return nil, fmt.Errorf("unmarshal returned GuestDefinedCapabilities for windows: %w", err)
+		}
+		return gdc, nil
+	}
+	// linux
+	gdc := &LCOWGuestDefinedCapabilities{}
+	if err := json.Unmarshal(data, gdc); err != nil {
+		return nil, fmt.Errorf("unmarshal returned GuestDefinedCapabilities for lcow: %w", err)
+	}
+	return gdc, nil
+}
+
+var _ GuestDefinedCapabilities = &LCOWGuestDefinedCapabilities{}
+
+type LCOWGuestDefinedCapabilities struct {
+	prot.GcsGuestCapabilities
+}
+
+func (l *LCOWGuestDefinedCapabilities) IsNamespaceAddRequestSupported() bool {
+	return l.NamespaceAddRequestSupported
+}
+
+func (l *LCOWGuestDefinedCapabilities) IsSignalProcessSupported() bool {
+	return l.SignalProcessSupported
+}
+
+func (l *LCOWGuestDefinedCapabilities) IsDumpStacksSupported() bool {
+	return l.DumpStacksSupported
+}
+
+func (l *LCOWGuestDefinedCapabilities) IsDeleteContainerStateSupported() bool {
+	return l.DeleteContainerStateSupported
+}
+
+var _ GuestDefinedCapabilities = &WCOWGuestDefinedCapabilities{}
+
+type WCOWGuestDefinedCapabilities struct {
+	schema1.GuestDefinedCapabilities
+}
+
+func (w *WCOWGuestDefinedCapabilities) IsNamespaceAddRequestSupported() bool {
+	return w.NamespaceAddRequestSupported
+}
+
+func (w *WCOWGuestDefinedCapabilities) IsSignalProcessSupported() bool {
+	return w.SignalProcessSupported
+}
+
+func (w *WCOWGuestDefinedCapabilities) IsDumpStacksSupported() bool {
+	return w.DumpStacksSupported
+}
+
+func (w *WCOWGuestDefinedCapabilities) IsDeleteContainerStateSupported() bool {
+	return w.DeleteContainerStateSupported
+}

internal/gcs/guestconnection.go

@@ -16,7 +16,6 @@ import (
 	"github.com/Microsoft/go-winio"
 	"github.com/Microsoft/go-winio/pkg/guid"
 	"github.com/Microsoft/hcsshim/internal/cow"
-	"github.com/Microsoft/hcsshim/internal/hcs/schema1"
 	hcsschema "github.com/Microsoft/hcsshim/internal/hcs/schema2"
 	"github.com/Microsoft/hcsshim/internal/log"
 	"github.com/Microsoft/hcsshim/internal/logfields"
@@ -98,15 +97,15 @@ type GuestConnection struct {
 	mu         sync.Mutex
 	nextPort   uint32
 	notifyChs  map[string]chan struct{}
-	caps       schema1.GuestDefinedCapabilities
+	caps       GuestDefinedCapabilities
 	os         string
 }
 
 var _ cow.ProcessHost = &GuestConnection{}
 
 // Capabilities returns the guest's declared capabilities.
-func (gc *GuestConnection) Capabilities() *schema1.GuestDefinedCapabilities {
-	return &gc.caps
+func (gc *GuestConnection) Capabilities() GuestDefinedCapabilities {
+	return gc.caps
 }
 
 // Protocol returns the protocol version that is in use.
@@ -123,7 +122,6 @@ func (gc *GuestConnection) connect(ctx context.Context, isColdStart bool, initGu
 		MaximumVersion: protocolVersion,
 	}
 	var resp negotiateProtocolResponse
-	resp.Capabilities.GuestDefinedCapabilities = &gc.caps
 	err = gc.brdg.RPC(ctx, rpcNegotiateProtocol, &req, &resp, true)
 	if err != nil {
 		return err
@@ -131,10 +129,17 @@ func (gc *GuestConnection) connect(ctx context.Context, isColdStart bool, initGu
 	if resp.Version != protocolVersion {
 		return fmt.Errorf("unexpected version %d returned", resp.Version)
 	}
+
 	gc.os = strings.ToLower(resp.Capabilities.RuntimeOsType)
 	if gc.os == "" {
 		gc.os = "windows"
 	}
+
+	gc.caps, err = unmarshalGuestCapabilities(gc.os, resp.Capabilities.GuestDefinedCapabilities)
+	if err != nil {
+		return fmt.Errorf("unmarshalGuestCapabilities: %w", err)
+	}
+
 	if isColdStart && resp.Capabilities.SendHostCreateMessage {
 		conf := &uvmConfig{
 			SystemType: "Container",

internal/gcs/protocol.go

@@ -323,7 +323,7 @@ type gcsCapabilities struct {
 	SendLifecycleNotifications bool
 	SupportedSchemaVersions    []hcsschema.Version
 	RuntimeOsType              string
-	GuestDefinedCapabilities   interface{}
+	GuestDefinedCapabilities   json.RawMessage
 }
 
 type containerCreateResponse struct {

internal/guest/network/netns.go

@@ -237,7 +237,18 @@ func assignIPToLink(ctx context.Context,
 		// unreachable error when adding this out-of-subnet gw route
 		entry.Debugf("gw is outside of the subnet: Configure %s in %d with: %s/%d gw=%s\n",
 			ifStr, nsPid, allocatedIP, prefixLen, gatewayIP)
-		ml := len(gw) * 8
+
+		// net library's ParseIP call always returns an array of length 16, so we
+		// need to first check if the address is IPv4 or IPv6 before calculating
+		// the mask length. See https://pkg.go.dev/net#ParseIP.
+		ml := 8
+		if gw.To4() != nil {
+			ml *= net.IPv4len
+		} else if gw.To16() != nil {
+			ml *= net.IPv6len
+		} else {
+			return fmt.Errorf("gw IP is neither IPv4 nor IPv6: %v", gw)
+		}
 		addr2 := &net.IPNet{
 			IP:   gw,
 			Mask: net.CIDRMask(ml, ml)}

internal/guest/storage/scsi/scsi.go

@@ -41,6 +41,7 @@ var (
 	// mock functions for testing getDevicePath
 	osReadDir = os.ReadDir
 	osStat    = os.Stat
+	osOpen    = os.Open
 
 	// getDevicePath is stubbed to make testing `Mount` easier.
 	getDevicePath = GetDevicePath
@@ -218,7 +219,7 @@ func Mount(
 			// TODO (ambarve): add better retry logic, SCSI mounts sometimes return ENONENT or
 			// ENXIO error if we try to open those devices immediately after mount. retry after a
 			// few milliseconds.
-			log.G(ctx).WithError(err).Trace("get device filesystem failed, retrying in 500ms")
+			log.G(ctx).WithError(err).Debug("get device filesystem failed, retrying in 500ms")
 			time.Sleep(500 * time.Millisecond)
 			if deviceFS, err = _getDeviceFsType(source); err != nil {
 				if config.Filesystem == "" || !errors.Is(err, ErrUnknownFilesystem) {
@@ -404,7 +405,8 @@ func GetDevicePath(ctx context.Context, controller, lun uint8, partition uint64)
 	// devicePath can take some time before its actually available under
 	// `/dev/sd*`. Retry while we wait for it to show up.
 	for {
-		if _, err := osStat(devicePath); err != nil {
+		f, err := osOpen(devicePath)
+		if err != nil {
 			if errors.Is(err, fs.ErrNotExist) || errors.Is(err, unix.ENXIO) {
 				select {
 				case <-ctx.Done():
@@ -417,6 +419,9 @@ func GetDevicePath(ctx context.Context, controller, lun uint8, partition uint64)
 			}
 			return "", err
 		}
+		if err := f.Close(); err != nil {
+			log.G(ctx).WithError(err).Warnf("failed to close file: %s", devicePath)
+		}
 		break
 	}
 

internal/guest/storage/scsi/scsi_test.go

@@ -20,6 +20,7 @@ import (
 func clearTestDependencies() {
 	osReadDir = nil
 	osStat = nil
+	osOpen = nil
 	osMkdirAll = nil
 	osRemoveAll = nil
 	unixMount = nil
@@ -94,6 +95,10 @@ func (d *fakeDirEntry) Info() (os.FileInfo, error) {
 	return &fakeFileInfo{name: d.name}, nil
 }
 
+func osOpenNoop(_ string) (*os.File, error) {
+	return &os.File{}, nil
+}
+
 func osStatNoop(source string) (os.FileInfo, error) {
 	return &fakeFileInfo{
 		name: source,
@@ -120,6 +125,7 @@ func Test_Mount_Mkdir_Fails_Error(t *testing.T) {
 		return "", nil
 	}
 	osStat = osStatNoop
+	osOpen = osOpenNoop
 
 	config := &Config{
 		Encrypted:        false,
@@ -164,6 +170,7 @@ func Test_Mount_Mkdir_ExpectedPath(t *testing.T) {
 		return nil
 	}
 	osStat = osStatNoop
+	osOpen = osOpenNoop
 
 	config := &Config{
 		Encrypted:        false,
@@ -1132,6 +1139,8 @@ func Test_GetDevicePath_Device_With_Partition(t *testing.T) {
 		}, nil
 	}
 
+	osOpen = osOpenNoop
+
 	getDevicePath = GetDevicePath
 
 	actualPath, err := getDevicePath(context.Background(), 0, 0, partition)
@@ -1158,6 +1167,8 @@ func Test_GetDevicePath_Device_With_Partition_Error(t *testing.T) {
 		return nil, nil
 	}
 
+	osOpen = osOpenNoop
+
 	getDevicePath = GetDevicePath
 
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
@@ -1192,6 +1203,47 @@ func Test_GetDevicePath_Device_No_Partition_Retries_Stat(t *testing.T) {
 		return nil, nil
 	}
 
+	osOpen = osOpenNoop
+
+	getDevicePath = GetDevicePath
+
+	actualPath, err := getDevicePath(context.Background(), 0, 0, 0)
+	if err != nil {
+		t.Fatalf("expected to get no error, instead got %v", err)
+	}
+	if actualPath != expectedDevicePath {
+		t.Fatalf("expected to get %v, instead got %v", expectedDevicePath, actualPath)
+	}
+}
+
+func Test_GetDevicePath_Device_No_Partition_Retries_Open(t *testing.T) {
+	clearTestDependencies()
+
+	deviceName := "sdd"
+	expectedDevicePath := filepath.Join("/dev", deviceName)
+
+	osReadDir = func(_ string) ([]os.DirEntry, error) {
+		entry := &fakeDirEntry{name: deviceName}
+		return []os.DirEntry{entry}, nil
+	}
+
+	osStat = func(_ string) (os.FileInfo, error) {
+		return nil, nil
+	}
+
+	callNum := 0
+	osOpen = func(name string) (*os.File, error) {
+		if callNum == 0 {
+			callNum += 1
+			return nil, fs.ErrNotExist
+		}
+		if callNum == 1 {
+			callNum += 1
+			return nil, unix.ENXIO
+		}
+		return &os.File{}, nil
+	}
+
 	getDevicePath = GetDevicePath
 
 	actualPath, err := getDevicePath(context.Background(), 0, 0, 0)
@@ -1214,6 +1266,8 @@ func Test_GetDevicePath_Device_No_Partition_Error(t *testing.T) {
 		return nil, fmt.Errorf("should not make this call: %v", name)
 	}
 
+	osOpen = osOpenNoop
+
 	getDevicePath = GetDevicePath
 
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)

internal/hcsoci/resources_lcow.go

@@ -92,6 +92,7 @@ func allocateLinuxResources(ctx context.Context, coi *createOptionsInternal, r *
 					hostPath,
 					readOnly,
 					coi.HostingSystem.ID(),
+					"",
 					&scsi.MountConfig{Options: mount.Options, BlockDev: isBlockDev},
 				)
 				if err != nil {
@@ -114,6 +115,7 @@ func allocateLinuxResources(ctx context.Context, coi *createOptionsInternal, r *
 					hostPath,
 					readOnly,
 					coi.HostingSystem.ID(),
+					"",
 					&scsi.MountConfig{Options: mount.Options, BlockDev: isBlockDev},
 				)
 				if err != nil {

internal/hcsoci/resources_wcow.go

@@ -144,6 +144,7 @@ func setupMounts(ctx context.Context, coi *createOptionsInternal, r *resources.R
 						mount.Source,
 						readOnly,
 						coi.HostingSystem.ID(),
+						"",
 						&scsi.MountConfig{},
 					)
 				case MountTypeVirtualDisk:
@@ -153,6 +154,7 @@ func setupMounts(ctx context.Context, coi *createOptionsInternal, r *resources.R
 						mount.Source,
 						readOnly,
 						coi.HostingSystem.ID(),
+						"",
 						&scsi.MountConfig{},
 					)
 				case MountTypeExtensibleVirtualDisk:
@@ -161,6 +163,7 @@ func setupMounts(ctx context.Context, coi *createOptionsInternal, r *resources.R
 						ctx,
 						mount.Source,
 						readOnly,
+						"",
 						&scsi.MountConfig{},
 					)
 				}

internal/hns/hnsendpoint.go

@@ -29,7 +29,7 @@ const (
 )
 
 func (es EndpointState) String() string {
-	return [...]string{"Uninitialized", "Attached", "AttachedSharing", "Detached", "Degraded", "Destroyed"}[es]
+	return [...]string{"Uninitialized", "Created", "Attached", "AttachedSharing", "Detached", "Degraded", "Destroyed"}[es]
 }
 
 // HNSEndpoint represents a network endpoint in HNS

internal/layers/lcow.go

@@ -136,6 +136,7 @@ func MountLCOWLayers(ctx context.Context, containerID string, layers *LCOWLayers
 		hostPath,
 		false,
 		vm.ID(),
+		guestRoot,
 		mConfig,
 	)
 	if err != nil {
@@ -194,6 +195,7 @@ func addLCOWLayer(ctx context.Context, vm *uvm.UtilityVM, layer *LCOWLayer) (uvm
 		layer.VHDPath,
 		true,
 		"",
+		"",
 		&scsi.MountConfig{
 			Partition: layer.Partition,
 			Options:   []string{"ro"},

internal/layers/wcow_mount.go

@@ -331,7 +331,7 @@ func mountHypervIsolatedWCIFSLayers(ctx context.Context, l *wcowWCIFSLayers, vm
 	hostPath := filepath.Join(l.scratchLayerPath, "sandbox.vhdx")
 	log.G(ctx).WithField("hostPath", hostPath).Debug("mounting scratch VHD")
 
-	scsiMount, err := vm.SCSIManager.AddVirtualDisk(ctx, hostPath, false, vm.ID(), &scsi.MountConfig{})
+	scsiMount, err := vm.SCSIManager.AddVirtualDisk(ctx, hostPath, false, vm.ID(), "", &scsi.MountConfig{})
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to add SCSI scratch VHD: %w", err)
 	}

internal/lcow/disk.go

@@ -31,7 +31,7 @@ func FormatDisk(ctx context.Context, lcowUVM *uvm.UtilityVM, destPath string) er
 	}).Debug("lcow::FormatDisk opts")
 
 	// Attach without mounting.
-	scsi, err := lcowUVM.SCSIManager.AddPhysicalDisk(ctx, destPath, false, lcowUVM.ID(), nil)
+	scsi, err := lcowUVM.SCSIManager.AddPhysicalDisk(ctx, destPath, false, lcowUVM.ID(), "", nil)
 	if err != nil {
 		return err
 	}

internal/lcow/scratch.go

@@ -75,6 +75,7 @@ func CreateScratch(ctx context.Context, lcowUVM *uvm.UtilityVM, destFile string,
 		destFile,
 		false,
 		lcowUVM.ID(),
+		"",
 		&scsi.MountConfig{
 			BlockDev: true,
 		},

internal/oc/errors.go

@@ -6,7 +6,7 @@ import (
 	"net"
 	"os"
 
-	"github.com/containerd/errdefs"
+	errdefs "github.com/containerd/errdefs/pkg/errgrpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )

internal/oci/uvm.go

@@ -231,12 +231,12 @@ func parseDevices(ctx context.Context, specWindows *specs.Windows) []uvm.VPCIDev
 	if specWindows == nil || specWindows.Devices == nil {
 		return nil
 	}
-	extraDevices := make([]uvm.VPCIDeviceID, len(specWindows.Devices))
-	for i, d := range specWindows.Devices {
+	extraDevices := []uvm.VPCIDeviceID{}
+	for _, d := range specWindows.Devices {
 		pciID, index := devices.GetDeviceInfoFromPath(d.ID)
 		if uvm.IsValidDeviceType(d.IDType) {
 			key := uvm.NewVPCIDeviceID(pciID, index)
-			extraDevices[i] = key
+			extraDevices = append(extraDevices, key)
 		} else {
 			log.G(ctx).WithFields(logrus.Fields{
 				"device": d,

internal/tools/uvmboot/mounts.go

@@ -25,6 +25,7 @@ func mountSCSI(ctx context.Context, c *cli.Context, vm *uvm.UtilityVM) error {
 			m.host,
 			!m.writable,
 			vm.ID(),
+			"",
 			&scsi.MountConfig{},
 		)
 		if err != nil {

internal/uvm/capabilities.go

@@ -2,25 +2,27 @@
 
 package uvm
 
-import "github.com/Microsoft/hcsshim/internal/hcs/schema1"
+import (
+	"github.com/Microsoft/hcsshim/internal/gcs"
+)
 
 // SignalProcessSupported returns `true` if the guest supports the capability to
 // signal a process.
 //
 // This support was added RS5+ guests.
 func (uvm *UtilityVM) SignalProcessSupported() bool {
-	return uvm.guestCaps.SignalProcessSupported
+	return uvm.guestCaps.IsSignalProcessSupported()
 }
 
 func (uvm *UtilityVM) DeleteContainerStateSupported() bool {
 	if uvm.gc == nil {
 		return false
 	}
-	return uvm.guestCaps.DeleteContainerStateSupported
+	return uvm.guestCaps.IsDeleteContainerStateSupported()
 }
 
 // Capabilities returns the protocol version and the guest defined capabilities.
 // This should only be used for testing.
-func (uvm *UtilityVM) Capabilities() (uint32, schema1.GuestDefinedCapabilities) {
+func (uvm *UtilityVM) Capabilities() (uint32, gcs.GuestDefinedCapabilities) {
 	return uvm.protocol, uvm.guestCaps
 }

internal/uvm/create_lcow.go

@@ -471,16 +471,10 @@ func makeLCOWVMGSDoc(ctx context.Context, opts *OptionsLCOW, uvm *UtilityVM) (_
 		if opts.DmVerityMode {
 			logrus.Debug("makeLCOWVMGSDoc DmVerityMode true")
 			scsiController0 := guestrequest.ScsiControllerGuids[0]
-			doc.VirtualMachine.Devices.Scsi = map[string]hcsschema.Scsi{
-				scsiController0: {
-					Attachments: map[string]hcsschema.Attachment{
-						"0": {
-							Type_:    "VirtualDisk",
-							Path:     dmVerityRootFsFullPath,
-							ReadOnly: true,
-						},
-					},
-				},
+			doc.VirtualMachine.Devices.Scsi[scsiController0].Attachments["0"] = hcsschema.Attachment{
+				Type_:    "VirtualDisk",
+				Path:     dmVerityRootFsFullPath,
+				ReadOnly: true,
 			}
 			uvm.reservedSCSISlots = append(uvm.reservedSCSISlots, scsi.Slot{Controller: 0, LUN: 0})
 		}

internal/uvm/dumpstacks.go

@@ -7,7 +7,7 @@ import (
 )
 
 func (uvm *UtilityVM) DumpStacks(ctx context.Context) (string, error) {
-	if uvm.gc == nil || !uvm.guestCaps.DumpStacksSupported {
+	if uvm.gc == nil || !uvm.guestCaps.IsDumpStacksSupported() {
 		return "", nil
 	}
 

internal/uvm/network.go

@@ -529,7 +529,7 @@ func (uvm *UtilityVM) RemoveEndpointFromNS(ctx context.Context, id string, endpo
 
 // IsNetworkNamespaceSupported returns bool value specifying if network namespace is supported inside the guest
 func (uvm *UtilityVM) isNetworkNamespaceSupported() bool {
-	return uvm.guestCaps.NamespaceAddRequestSupported
+	return uvm.guestCaps.IsNamespaceAddRequestSupported()
 }
 
 func getNetworkModifyRequest(adapterID string, requestType guestrequest.RequestType, settings interface{}) interface{} {

internal/uvm/scsi/manager.go

@@ -141,6 +141,7 @@ func (m *Manager) AddVirtualDisk(
 	hostPath string,
 	readOnly bool,
 	vmID string,
+	guestPath string,
 	mc *MountConfig,
 ) (*Mount, error) {
 	if m == nil {
@@ -169,6 +170,7 @@ func (m *Manager) AddVirtualDisk(
 			readOnly: readOnly,
 			typ:      "VirtualDisk",
 		},
+		guestPath,
 		mcInternal)
 }
 
@@ -187,6 +189,7 @@ func (m *Manager) AddPhysicalDisk(
 	hostPath string,
 	readOnly bool,
 	vmID string,
+	guestPath string,
 	mc *MountConfig,
 ) (*Mount, error) {
 	if m == nil {
@@ -215,6 +218,7 @@ func (m *Manager) AddPhysicalDisk(
 			readOnly: readOnly,
 			typ:      "PassThru",
 		},
+		guestPath,
 		mcInternal)
 }
 
@@ -233,6 +237,7 @@ func (m *Manager) AddExtensibleVirtualDisk(
 	ctx context.Context,
 	hostPath string,
 	readOnly bool,
+	guestPath string,
 	mc *MountConfig,
 ) (*Mount, error) {
 	if m == nil {
@@ -260,10 +265,11 @@ func (m *Manager) AddExtensibleVirtualDisk(
 			typ:      "ExtensibleVirtualDisk",
 			evdType:  evdType,
 		},
+		guestPath,
 		mcInternal)
 }
 
-func (m *Manager) add(ctx context.Context, attachConfig *attachConfig, mountConfig *mountConfig) (_ *Mount, err error) {
+func (m *Manager) add(ctx context.Context, attachConfig *attachConfig, guestPath string, mountConfig *mountConfig) (_ *Mount, err error) {
 	controller, lun, err := m.attachManager.attach(ctx, attachConfig)
 	if err != nil {
 		return nil, err
@@ -274,9 +280,8 @@ func (m *Manager) add(ctx context.Context, attachConfig *attachConfig, mountConf
 		}
 	}()
 
-	var guestPath string
 	if mountConfig != nil {
-		guestPath, err = m.mountManager.mount(ctx, controller, lun, mountConfig)
+		guestPath, err = m.mountManager.mount(ctx, controller, lun, guestPath, mountConfig)
 		if err != nil {
 			return nil, err
 		}
@@ -287,14 +292,9 @@ func (m *Manager) add(ctx context.Context, attachConfig *attachConfig, mountConf
 
 func (m *Manager) remove(ctx context.Context, controller, lun uint, guestPath string) error {
 	if guestPath != "" {
-		removed, err := m.mountManager.unmount(ctx, guestPath)
-		if err != nil {
+		if err := m.mountManager.unmount(ctx, guestPath); err != nil {
 			return err
 		}
-
-		if !removed {
-			return nil
-		}
 	}
 
 	if _, err := m.attachManager.detach(ctx, controller, lun); err != nil {

internal/uvm/scsi/manager_test.go

@@ -0,0 +1,239 @@
+//go:build windows
+
+package scsi
+
+import (
+	"context"
+	"reflect"
+	"testing"
+)
+
+func removeIndex[T any](a []T, i int) []T {
+	return append(a[:i], a[i+1:]...)
+}
+
+func TestRemoveIndex(t *testing.T) {
+	a := []int{1, 2, 3, 4, 5}
+	a = removeIndex(a, 2)
+	if !reflect.DeepEqual(a, []int{1, 2, 4, 5}) {
+		t.Errorf("wrong values: %v", a)
+	}
+	a = removeIndex(a, 1)
+	if !reflect.DeepEqual(a, []int{1, 4, 5}) {
+		t.Errorf("wrong values: %v", a)
+	}
+	a = removeIndex(a, 0)
+	if !reflect.DeepEqual(a, []int{4, 5}) {
+		t.Errorf("wrong values: %v", a)
+	}
+	a = removeIndex(a, 1)
+	if !reflect.DeepEqual(a, []int{4}) {
+		t.Errorf("wrong values: %v", a)
+	}
+	a = removeIndex(a, 0)
+	if !reflect.DeepEqual(a, []int{}) {
+		t.Errorf("wrong values: %v", a)
+	}
+}
+
+type testAttachment struct {
+	controller uint
+	lun        uint
+	config     *attachConfig
+}
+
+type testMount struct {
+	controller uint
+	lun        uint
+	path       string
+	config     *mountConfig
+}
+
+type hostBackend struct {
+	attachments []*testAttachment
+}
+
+func (hb *hostBackend) attach(ctx context.Context, controller uint, lun uint, config *attachConfig) error {
+	hb.attachments = append(hb.attachments, &testAttachment{
+		controller: controller,
+		lun:        lun,
+		config:     config,
+	})
+	return nil
+}
+
+func (hb *hostBackend) detach(ctx context.Context, controller uint, lun uint) error {
+	for i, a := range hb.attachments {
+		if a.controller == controller && a.lun == lun {
+			hb.attachments = removeIndex(hb.attachments, i)
+			break
+		}
+	}
+	return nil
+}
+
+func (hb *hostBackend) attachmentPaths() []string {
+	ret := []string{}
+	for _, a := range hb.attachments {
+		ret = append(ret, a.config.path)
+	}
+	return ret
+}
+
+type guestBackend struct {
+	mounts []*testMount
+}
+
+func (gb *guestBackend) mount(ctx context.Context, controller uint, lun uint, path string, config *mountConfig) error {
+	gb.mounts = append(gb.mounts, &testMount{
+		controller: controller,
+		lun:        lun,
+		path:       path,
+		config:     config,
+	})
+	return nil
+}
+
+func (gb *guestBackend) unmount(ctx context.Context, controller uint, lun uint, path string, config *mountConfig) error {
+	for i, m := range gb.mounts {
+		if m.path == path {
+			gb.mounts = removeIndex(gb.mounts, i)
+			break
+		}
+	}
+	return nil
+}
+
+func (gb *guestBackend) unplug(ctx context.Context, controller uint, lun uint) error {
+	return nil
+}
+
+func (gb *guestBackend) mountPaths() []string {
+	ret := []string{}
+	for _, m := range gb.mounts {
+		ret = append(ret, m.path)
+	}
+	return ret
+}
+
+func TestAddAddRemoveRemove(t *testing.T) {
+	ctx := context.Background()
+
+	hb := &hostBackend{}
+	gb := &guestBackend{}
+	mgr, err := NewManager(hb, gb, 4, 64, "/var/run/scsi/%d", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	m1, err := mgr.AddVirtualDisk(ctx, "path", true, "", "", &MountConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	m2, err := mgr.AddVirtualDisk(ctx, "path", true, "", "", &MountConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if m1.GuestPath() == "" {
+		t.Error("guest path for m1 should not be empty")
+	}
+	if m1.GuestPath() != m2.GuestPath() {
+		t.Errorf("expected same guest paths for both mounts, but got %q and %q", m1.GuestPath(), m2.GuestPath())
+	}
+	if !reflect.DeepEqual(hb.attachmentPaths(), []string{"path"}) {
+		t.Errorf("wrong attachment paths after add: %v", hb.attachmentPaths())
+	}
+	if err := m1.Release(ctx); err != nil {
+		t.Fatal(err)
+	}
+	if err := m2.Release(ctx); err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(hb.attachmentPaths(), []string{}) {
+		t.Errorf("wrong attachment paths after remove: %v", hb.attachmentPaths())
+	}
+}
+
+func TestGuestPath(t *testing.T) {
+	ctx := context.Background()
+
+	hb := &hostBackend{}
+	gb := &guestBackend{}
+	mgr, err := NewManager(hb, gb, 4, 64, "/var/run/scsi/%d", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	m1, err := mgr.AddVirtualDisk(ctx, "path", true, "", "/mnt1", &MountConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// m1 should get the guest path it asked for.
+	if m1.GuestPath() != "/mnt1" {
+		t.Errorf("wrong guest path for m1: %s", m1.GuestPath())
+	}
+	if !reflect.DeepEqual(gb.mountPaths(), []string{"/mnt1"}) {
+		t.Errorf("wrong mount paths after adding m1: %v", gb.mountPaths())
+	}
+
+	m2, err := mgr.AddVirtualDisk(ctx, "path", true, "", "", &MountConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// m2 didn't ask for a guest path, so it should re-use m1.
+	if m2.GuestPath() != "/mnt1" {
+		t.Errorf("wrong guest path for m2: %s", m2.GuestPath())
+	}
+	if !reflect.DeepEqual(gb.mountPaths(), []string{"/mnt1"}) {
+		t.Errorf("wrong mount paths after adding m2: %v", gb.mountPaths())
+	}
+
+	m3, err := mgr.AddVirtualDisk(ctx, "path", true, "", "/mnt2", &MountConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// m3 asked for a guest path, but it is already mounted, so it should get that one instead.
+	if m3.GuestPath() != "/mnt1" {
+		t.Errorf("wrong guest path for m3: %s", m2.GuestPath())
+	}
+	if !reflect.DeepEqual(gb.mountPaths(), []string{"/mnt1"}) {
+		t.Errorf("wrong mount paths after adding m3: %v", gb.mountPaths())
+	}
+
+	if err := m3.Release(ctx); err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(gb.mountPaths(), []string{"/mnt1"}) {
+		t.Errorf("wrong mount paths after removing m3: %v", gb.mountPaths())
+	}
+	if err := m2.Release(ctx); err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(gb.mountPaths(), []string{"/mnt1"}) {
+		t.Errorf("wrong mount paths after removing m2: %v", gb.mountPaths())
+	}
+	if err := m1.Release(ctx); err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(gb.mountPaths(), []string{}) {
+		t.Errorf("wrong mount paths after removing m1: %v", gb.mountPaths())
+	}
+}
+
+func TestConflictingGuestPath(t *testing.T) {
+	ctx := context.Background()
+
+	hb := &hostBackend{}
+	gb := &guestBackend{}
+	mgr, err := NewManager(hb, gb, 4, 64, "/var/run/scsi/%d", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if _, err := mgr.AddVirtualDisk(ctx, "path", true, "", "/mnt1", &MountConfig{}); err != nil {
+		t.Fatal(err)
+	}
+	// Different host path but same guest path as m1, should conflict.
+	if _, err := mgr.AddVirtualDisk(ctx, "path2", true, "", "/mnt1", &MountConfig{}); err == nil {
+		t.Fatalf("expected error but got none")
+	}
+}

internal/uvm/scsi/mount.go

@@ -47,14 +47,17 @@ type mountConfig struct {
 	filesystem       string
 }
 
-func (mm *mountManager) mount(ctx context.Context, controller, lun uint, c *mountConfig) (_ string, err error) {
+func (mm *mountManager) mount(ctx context.Context, controller, lun uint, path string, c *mountConfig) (_ string, err error) {
 	// Normalize the mount config for comparison.
 	// Config equality relies on the options slices being compared element-wise. Sort the options
 	// slice first so that two slices with different ordering compare as equal. We assume that
 	// order will never matter for mount options.
 	sort.Strings(c.options)
 
-	mount, existed := mm.trackMount(controller, lun, c)
+	mount, existed, err := mm.trackMount(controller, lun, path, c)
+	if err != nil {
+		return "", err
+	}
 	if existed {
 		select {
 		case <-ctx.Done():
@@ -84,7 +87,7 @@ func (mm *mountManager) mount(ctx context.Context, controller, lun uint, c *moun
 	return mount.path, nil
 }
 
-func (mm *mountManager) unmount(ctx context.Context, path string) (bool, error) {
+func (mm *mountManager) unmount(ctx context.Context, path string) error {
 	mm.m.Lock()
 	defer mm.m.Unlock()
 
@@ -97,18 +100,18 @@ func (mm *mountManager) unmount(ctx context.Context, path string) (bool, error)
 
 	mount.refCount--
 	if mount.refCount > 0 {
-		return false, nil
+		return nil
 	}
 
 	if err := mm.mounter.unmount(ctx, mount.controller, mount.lun, mount.path, mount.config); err != nil {
-		return false, fmt.Errorf("unmount scsi controller %d lun %d at path %s: %w", mount.controller, mount.lun, mount.path, err)
+		return fmt.Errorf("unmount scsi controller %d lun %d at path %s: %w", mount.controller, mount.lun, mount.path, err)
 	}
 	mm.untrackMount(mount)
 
-	return true, nil
+	return nil
 }
 
-func (mm *mountManager) trackMount(controller, lun uint, c *mountConfig) (*mount, bool) {
+func (mm *mountManager) trackMount(controller, lun uint, path string, c *mountConfig) (*mount, bool, error) {
 	mm.m.Lock()
 	defer mm.m.Unlock()
 
@@ -123,12 +126,15 @@ func (mm *mountManager) trackMount(controller, lun uint, c *mountConfig) (*mount
 			reflect.DeepEqual(c, mount.config) {
 
 			mount.refCount++
-			return mount, true
+			return mount, true, nil
+		} else if path != "" && path == mount.path {
+			return nil, false, fmt.Errorf("cannot mount over an existing mountpoint: %s", path)
 		}
 	}
 
 	// New mount.
 	mount := &mount{
+		path:       path, // If path is empty, this will be replaced with a generated path below.
 		controller: controller,
 		lun:        lun,
 		config:     c,
@@ -142,9 +148,11 @@ func (mm *mountManager) trackMount(controller, lun uint, c *mountConfig) (*mount
 		mount.index = freeIndex
 		mm.mounts[freeIndex] = mount
 	}
-	// Use the mount index to produce a unique guest path.
-	mount.path = fmt.Sprintf(mm.mountFmt, mount.index)
-	return mount, false
+	if mount.path == "" {
+		// Use the mount index to produce a unique guest path.
+		mount.path = fmt.Sprintf(mm.mountFmt, mount.index)
+	}
+	return mount, false, nil
 }
 
 // Caller must be holding mm.m.

internal/uvm/start.go

@@ -282,7 +282,7 @@ func (uvm *UtilityVM) Start(ctx context.Context) (err error) {
 		if err != nil {
 			return err
 		}
-		uvm.guestCaps = *uvm.gc.Capabilities()
+		uvm.guestCaps = uvm.gc.Capabilities()
 		uvm.protocol = uvm.gc.Protocol()
 
 		// initial setup required for external GCS connection
@@ -295,7 +295,7 @@ func (uvm *UtilityVM) Start(ctx context.Context) (err error) {
 		if err != nil {
 			return err
 		}
-		uvm.guestCaps = properties.GuestConnectionInfo.GuestDefinedCapabilities
+		uvm.guestCaps = &gcs.WCOWGuestDefinedCapabilities{GuestDefinedCapabilities: properties.GuestConnectionInfo.GuestDefinedCapabilities}
 		uvm.protocol = properties.GuestConnectionInfo.ProtocolVersion
 	}
 

internal/uvm/types.go

@@ -13,7 +13,6 @@ import (
 
 	"github.com/Microsoft/hcsshim/internal/gcs"
 	"github.com/Microsoft/hcsshim/internal/hcs"
-	"github.com/Microsoft/hcsshim/internal/hcs/schema1"
 	"github.com/Microsoft/hcsshim/internal/hns"
 	"github.com/Microsoft/hcsshim/internal/uvm/scsi"
 )
@@ -55,7 +54,7 @@ type UtilityVM struct {
 
 	// GCS bridge protocol and capabilities
 	protocol  uint32
-	guestCaps schema1.GuestDefinedCapabilities
+	guestCaps gcs.GuestDefinedCapabilities
 
 	// containerCounter is the current number of containers that have been created.
 	// This is never decremented in the life of the UVM.

test/functional/uvm_properties_test.go

@@ -9,44 +9,52 @@ import (
 
 	"github.com/Microsoft/hcsshim/osversion"
 
+	"github.com/Microsoft/hcsshim/internal/gcs"
 	"github.com/Microsoft/hcsshim/test/internal/util"
 	"github.com/Microsoft/hcsshim/test/pkg/require"
 	testuvm "github.com/Microsoft/hcsshim/test/pkg/uvm"
 )
 
 func TestPropertiesGuestConnection_LCOW(t *testing.T) {
-	t.Skip("not yet updated")
-
 	require.Build(t, osversion.RS5)
 	requireFeatures(t, featureLCOW, featureUVM)
 
 	ctx := util.Context(context.Background(), t)
-	uvm := testuvm.CreateAndStartLCOWFromOpts(ctx, t, defaultLCOWOptions(ctx, t))
+	uvm := testuvm.CreateAndStart(ctx, t, defaultLCOWOptions(ctx, t))
 	defer uvm.Close()
 
 	p, gc := uvm.Capabilities()
-	if gc.NamespaceAddRequestSupported ||
-		!gc.SignalProcessSupported ||
+	if !gc.IsNamespaceAddRequestSupported() ||
+		!gc.IsSignalProcessSupported() ||
 		p < 4 {
 		t.Fatalf("unexpected values: %d %+v", p, gc)
 	}
+
+	// check the type of the capabilities
+	gdc := gcs.GetLCOWCapabilities(gc)
+	if gdc == nil {
+		t.Fatal("capabilities are unexpected type")
+	}
 }
 
 func TestPropertiesGuestConnection_WCOW(t *testing.T) {
-	t.Skip("not yet updated")
-
 	require.Build(t, osversion.RS5)
 	requireFeatures(t, featureWCOW, featureUVM)
 
 	ctx := util.Context(context.Background(), t)
-	//nolint:staticcheck // SA1019: deprecated; will be replaced when test is updated
-	uvm, _, _ := testuvm.CreateWCOWUVM(ctx, t, t.Name(), "microsoft/nanoserver")
+	uvm := testuvm.CreateAndStart(ctx, t, defaultWCOWOptions(ctx, t))
 	defer uvm.Close()
 
 	p, gc := uvm.Capabilities()
-	if !gc.NamespaceAddRequestSupported ||
-		!gc.SignalProcessSupported ||
+	if !gc.IsNamespaceAddRequestSupported() ||
+		!gc.IsSignalProcessSupported() ||
 		p < 4 {
 		t.Fatalf("unexpected values: %d %+v", p, gc)
 	}
+
+	// check the type of the capabilities
+	gdc := gcs.GetWCOWCapabilities(gc)
+	if gdc == nil {
+		t.Fatal("capabilities are unexpected type")
+	}
 }

test/functional/uvm_scratch_test.go

@@ -49,7 +49,7 @@ func TestScratchCreateLCOW(t *testing.T) {
 	}
 
 	// Make sure it can be added (verifies it has access correctly)
-	scsiMount, err := targetUVM.SCSIManager.AddVirtualDisk(context.Background(), destTwo, false, targetUVM.ID(), nil)
+	scsiMount, err := targetUVM.SCSIManager.AddVirtualDisk(context.Background(), destTwo, false, targetUVM.ID(), "", nil)
 	if err != nil {
 		t.Fatal(err)
 	}

test/functional/uvm_scsi_test.go

@@ -66,7 +66,7 @@ func testAddSCSI(u *uvm.UtilityVM, disks []string, attachOnly bool) ([]*scsi.Mou
 		if !attachOnly {
 			mc = &scsi.MountConfig{}
 		}
-		scsiMount, err := u.SCSIManager.AddVirtualDisk(context.Background(), disks[i], false, u.ID(), mc)
+		scsiMount, err := u.SCSIManager.AddVirtualDisk(context.Background(), disks[i], false, u.ID(), "", mc)
 		if err != nil {
 			return nil, err
 		}
@@ -280,7 +280,7 @@ func TestParallelScsiOps(t *testing.T) {
 					continue
 				}
 
-				mount, err := u.SCSIManager.AddVirtualDisk(context.Background(), path, false, u.ID(), nil)
+				mount, err := u.SCSIManager.AddVirtualDisk(context.Background(), path, false, u.ID(), "", nil)
 				if err != nil {
 					os.Remove(path)
 					t.Errorf("failed to add SCSI disk for worker: %d, iteration: %d with err: %v", scsiIndex, iteration, err)
@@ -293,7 +293,7 @@ func TestParallelScsiOps(t *testing.T) {
 					break
 				}
 
-				mount, err = u.SCSIManager.AddVirtualDisk(context.Background(), path, false, u.ID(), &scsi.MountConfig{})
+				mount, err = u.SCSIManager.AddVirtualDisk(context.Background(), path, false, u.ID(), "", &scsi.MountConfig{})
 				if err != nil {
 					os.Remove(path)
 					t.Errorf("failed to add SCSI disk for worker: %d, iteration: %d with err: %v", scsiIndex, iteration, err)

test/go.mod

@@ -1,14 +1,14 @@
 module github.com/Microsoft/hcsshim/test
 
-go 1.21
+go 1.22
 
 require (
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/Microsoft/hcsshim v0.12.2
 	github.com/containerd/cgroups/v3 v3.0.3
-	github.com/containerd/containerd v1.7.20
+	github.com/containerd/containerd v1.7.23
 	github.com/containerd/containerd/api v1.7.19
-	github.com/containerd/errdefs v0.1.0
+	github.com/containerd/errdefs v0.3.0
 	github.com/containerd/go-runc v1.1.0
 	github.com/containerd/platforms v0.2.1
 	github.com/containerd/ttrpc v1.2.5
@@ -23,9 +23,9 @@ require (
 	github.com/sirupsen/logrus v1.9.3
 	github.com/urfave/cli/v2 v2.27.1
 	go.opencensus.io v0.24.0
-	golang.org/x/sync v0.7.0
-	golang.org/x/sys v0.23.0
-	google.golang.org/grpc v1.65.0
+	golang.org/x/sync v0.8.0
+	golang.org/x/sys v0.25.0
+	google.golang.org/grpc v1.67.0
 	google.golang.org/protobuf v1.34.2
 	k8s.io/cri-api v0.27.1
 )
@@ -33,7 +33,7 @@ require (
 require (
 	github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24 // indirect
 	github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20231105174938-2b5cbb29f3e2 // indirect
-	github.com/Microsoft/cosesign1go v1.1.0 // indirect
+	github.com/Microsoft/cosesign1go v1.2.0 // indirect
 	github.com/Microsoft/didx509go v0.0.3 // indirect
 	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/agnivade/levenshtein v1.1.1 // indirect
@@ -43,17 +43,18 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/containerd/console v1.0.4 // indirect
 	github.com/containerd/continuity v0.4.3 // indirect
+	github.com/containerd/errdefs/pkg v0.3.0 // indirect
 	github.com/containerd/fifo v1.1.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/containerd/stargz-snapshotter/estargz v0.15.1 // indirect
-	github.com/containerd/typeurl/v2 v2.1.1 // indirect
+	github.com/containerd/typeurl/v2 v2.2.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
 	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/cli v24.0.0+incompatible // indirect
 	github.com/docker/distribution v2.8.2+incompatible // indirect
-	github.com/docker/docker v27.1.1+incompatible // indirect
+	github.com/docker/docker v27.2.0+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.7.0 // indirect
 	github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c // indirect
 	github.com/docker/go-units v0.5.0 // indirect
@@ -70,7 +71,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/mux v1.8.1 // indirect
-	github.com/klauspost/compress v1.17.8 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/lestrrat-go/backoff/v2 v2.0.8 // indirect
 	github.com/lestrrat-go/blackmagic v1.0.2 // indirect
 	github.com/lestrrat-go/httpcc v1.0.1 // indirect
@@ -85,22 +86,24 @@ require (
 	github.com/moby/sys/sequential v0.5.0 // indirect
 	github.com/moby/sys/signal v0.7.0 // indirect
 	github.com/moby/sys/symlink v0.2.0 // indirect
-	github.com/moby/sys/user v0.1.0 // indirect
-	github.com/open-policy-agent/opa v0.67.1 // indirect
-	github.com/opencontainers/runc v1.1.12 // indirect
+	github.com/moby/sys/user v0.3.0 // indirect
+	github.com/moby/sys/userns v0.1.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/open-policy-agent/opa v0.68.0 // indirect
+	github.com/opencontainers/runc v1.1.14 // indirect
 	github.com/opencontainers/selinux v1.11.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
-	github.com/prometheus/client_golang v1.19.1 // indirect
+	github.com/prometheus/client_golang v1.20.2 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.48.0 // indirect
-	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 // indirect
 	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
 	github.com/vbatts/tar-split v0.11.5 // indirect
-	github.com/veraison/go-cose v1.2.0 // indirect
-	github.com/vishvananda/netlink v1.2.1-beta.2 // indirect
+	github.com/veraison/go-cose v1.1.0 // indirect
+	github.com/vishvananda/netlink v1.3.0 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
@@ -112,12 +115,12 @@ require (
 	go.opentelemetry.io/otel/metric v1.28.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.28.0 // indirect
 	go.opentelemetry.io/otel/trace v1.28.0 // indirect
-	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/crypto v0.26.0 // indirect
 	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/net v0.28.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
 	google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
 	tags.cncf.io/container-device-interface v0.7.2 // indirect

test/go.sum

@@ -4,8 +4,8 @@ github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24/go.mod h
 github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20231105174938-2b5cbb29f3e2 h1:dIScnXFlF784X79oi7MzVT6GWqr/W1uUt0pB5CsDs9M=
 github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20231105174938-2b5cbb29f3e2/go.mod h1:gCLVsLfv1egrcZu+GoJATN5ts75F2s62ih/457eWzOw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Microsoft/cosesign1go v1.1.0 h1:JnHY2wQkIK4HmstaK5rMdM4S83nIC7fJmD1phOLj9qo=
-github.com/Microsoft/cosesign1go v1.1.0/go.mod h1:o+sw7nhlGE6twhfjXQDWmBJO8zmfQXEmCcXEi3zha8I=
+github.com/Microsoft/cosesign1go v1.2.0 h1:Hpj/mI6kP1eBkaOv9XEBRwO+Ju24k8XIo/A+OQyjmlw=
+github.com/Microsoft/cosesign1go v1.2.0/go.mod h1:1La/HcGw19rRLhPW0S6u55K6LKfti+GQSgGCtrfhVe8=
 github.com/Microsoft/didx509go v0.0.3 h1:n/owuFOXVzCEzSyzivMEolKEouBm9G0NrEDgoTekM8A=
 github.com/Microsoft/didx509go v0.0.3/go.mod h1:wWt+iQsLzn3011+VfESzznLIp/Owhuj7rLF7yLglYbk=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
@@ -37,14 +37,16 @@ github.com/containerd/cgroups/v3 v3.0.3 h1:S5ByHZ/h9PMe5IOQoN7E+nMc2UcLEM/V48DGD
 github.com/containerd/cgroups/v3 v3.0.3/go.mod h1:8HBe7V3aWGLFPd/k03swSIsGjZhHI2WzJmticMgVuz0=
 github.com/containerd/console v1.0.4 h1:F2g4+oChYvBTsASRTz8NP6iIAi97J3TtSAsLbIFn4ro=
 github.com/containerd/console v1.0.4/go.mod h1:YynlIjWYF8myEu6sdkwKIvGQq+cOckRm6So2avqoYAk=
-github.com/containerd/containerd v1.7.20 h1:Sl6jQYk3TRavaU83h66QMbI2Nqg9Jm6qzwX57Vsn1SQ=
-github.com/containerd/containerd v1.7.20/go.mod h1:52GsS5CwquuqPuLncsXwG0t2CiUce+KsNHJZQJvAgR0=
+github.com/containerd/containerd v1.7.23 h1:H2CClyUkmpKAGlhQp95g2WXHfLYc7whAuvZGBNYOOwQ=
+github.com/containerd/containerd v1.7.23/go.mod h1:7QUzfURqZWCZV7RLNEn1XjUCQLEf0bkaK4GjUaZehxw=
 github.com/containerd/containerd/api v1.7.19 h1:VWbJL+8Ap4Ju2mx9c9qS1uFSB1OVYr5JJrW2yT5vFoA=
 github.com/containerd/containerd/api v1.7.19/go.mod h1:fwGavl3LNwAV5ilJ0sbrABL44AQxmNjDRcwheXDb6Ig=
 github.com/containerd/continuity v0.4.3 h1:6HVkalIp+2u1ZLH1J/pYX2oBVXlJZvh1X1A7bEZ9Su8=
 github.com/containerd/continuity v0.4.3/go.mod h1:F6PTNCKepoxEaXLQp3wDAjygEnImnZ/7o4JzpodfroQ=
-github.com/containerd/errdefs v0.1.0 h1:m0wCRBiu1WJT/Fr+iOoQHMQS/eP5myQ8lCv4Dz5ZURM=
-github.com/containerd/errdefs v0.1.0/go.mod h1:YgWiiHtLmSeBrvpw+UfPijzbLaB77mEG1WwJTDETIV0=
+github.com/containerd/errdefs v0.3.0 h1:FSZgGOeK4yuT/+DnF07/Olde/q4KBoMsaamhXxIMDp4=
+github.com/containerd/errdefs v0.3.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
+github.com/containerd/errdefs/pkg v0.3.0 h1:9IKJ06FvyNlexW690DXuQNx2KA2cUJXx151Xdx3ZPPE=
+github.com/containerd/errdefs/pkg v0.3.0/go.mod h1:NJw6s9HwNuRhnjJhM7pylWwMyAkmCQvQ4GpJHEqRLVk=
 github.com/containerd/fifo v1.1.0 h1:4I2mbh5stb1u6ycIABlBw9zgtlK8viPI9QkQNRQEEmY=
 github.com/containerd/fifo v1.1.0/go.mod h1:bmC4NWMbXlt2EZ0Hc7Fx7QzTFxgPID13eH0Qu+MAb2o=
 github.com/containerd/go-runc v1.1.0 h1:OX4f+/i2y5sUT7LhmcJH7GYrjjhHa1QI4e8yO0gGleA=
@@ -57,16 +59,15 @@ github.com/containerd/stargz-snapshotter/estargz v0.15.1 h1:eXJjw9RbkLFgioVaTG+G
 github.com/containerd/stargz-snapshotter/estargz v0.15.1/go.mod h1:gr2RNwukQ/S9Nv33Lt6UC7xEx58C+LHRdoqbEKjz1Kk=
 github.com/containerd/ttrpc v1.2.5 h1:IFckT1EFQoFBMG4c3sMdT8EP3/aKfumK1msY+Ze4oLU=
 github.com/containerd/ttrpc v1.2.5/go.mod h1:YCXHsb32f+Sq5/72xHubdiJRQY9inL4a4ZQrAbN1q9o=
-github.com/containerd/typeurl/v2 v2.1.1 h1:3Q4Pt7i8nYwy2KmQWIw2+1hTvwTE/6w9FqcttATPO/4=
-github.com/containerd/typeurl/v2 v2.1.1/go.mod h1:IDp2JFvbwZ31H8dQbEIY7sDl2L3o3HZj1hsSQlywkQ0=
+github.com/containerd/typeurl/v2 v2.2.0 h1:6NBDbQzr7I5LHgp34xAXYF5DOTQDn05X58lsPEmzLso=
+github.com/containerd/typeurl/v2 v2.2.0/go.mod h1:8XOOxnyatxSWuG8OfsZXVnAF4iZfedjS/8UHSPJnX4g=
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
 github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
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@@ -82,8 +83,8 @@ github.com/docker/cli v24.0.0+incompatible h1:0+1VshNwBQzQAx9lOl+OYCTCEAD8fKs/qe
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@@ -123,8 +124,8 @@ github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5x
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@@ -138,7 +139,6 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
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@@ -151,7 +151,6 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -174,8 +173,8 @@ github.com/josephspurrier/goversioninfo v1.4.0 h1:Puhl12NSHUSALHSuzYwPYQkqa2E1+7
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@@ -212,17 +211,21 @@ github.com/moby/sys/signal v0.7.0 h1:25RW3d5TnQEoKvRbEKUGay6DCQ46IxAVTT9CUMgmsSI
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@@ -238,15 +241,15 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -279,11 +282,10 @@ github.com/urfave/cli/v2 v2.27.1 h1:8xSQ6szndafKVRmfyeUMxkNUJQMjL1F2zmsZ+qHpfho=
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@@ -326,8 +328,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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-golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
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 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -352,8 +354,8 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
-golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
-golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
+golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
+golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -362,15 +364,13 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191115151921-52ab43148777/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -379,12 +379,14 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
-golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -397,8 +399,8 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -422,17 +424,17 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda h1:wu/KJm9KJwpfHWhkkZGohVC6KRrc1oJNr4jwtQMOQXw=
 google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda/go.mod h1:g2LLCvCeCSir/JJSWosk19BR4NVxGqHUC6rxIRsd7Aw=
-google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 h1:0+ozOGcrp+Y8Aq8TLNN2Aliibms5LEzsq99ZZmAGYm0=
-google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094/go.mod h1:fJ/e3If/Q67Mj99hin0hMhiNyCRmt6BQ2aWIJshUSJw=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 h1:BwIjyKYGsK9dMCBOorzRri8MQwmi7mT9rGHsCEinZkA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
+google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 h1:wKguEg1hsxI2/L3hUYrpo1RVi48K+uTyzKqprwLXsb8=
+google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142/go.mod h1:d6be+8HhtEtucleCbxpPW9PA9XwISACu8nvpPqF0BVo=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
-google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -442,8 +444,6 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

vendor/github.com/Microsoft/cosesign1go/pkg/cosesign1/Makefile

@@ -23,11 +23,29 @@
 # will print the new fingerprint of the intermediate cert as part of the did:x509 generated
 #
 
+
+# note test-fail is expected to fail
+
+AUTOPARSE_CHAIN:=0
+ISSUER_DID:="TestIssuer"
+FEED:="TestFeed"
+DID_FINGERPRINT:=""
+
+all: chain.pem cose test-fail test-pass
+
 cose: infra.rego.cose
 
+%.pem:
+	 $(MAKE) -f Makefile.certs chain.pem
+
+ifeq "$(AUTOPARSE_CHAIN)" "1"
+ISSUER_DID = $(shell ./sign1util did-x509 -chain chain.pem -policy cn)
+DID_FINGERPRINT = $(shell ./sign1util did-x509 -chain chain.pem -policy cn | cut -d: -f5)
+endif
+
 # from these media types have to match containerd. The also need to change and the security policy one ought to be x-ms-ccepolicy-frag
 #     fragment atrifact type = application/x-ms-ccepolicy-frag
-#     fragment media type = application/cose_x509+rego
+#     fragment media type = application/cose-x509+rego
 
 # Use a local linux build of the tool for the purposes of this Makefile - ie assume using in wsl.
 # Usually sign1util.exe is a windows exe in /mnt/c/ContainerPlat aka c:\ContainerPlat but that is not certain.
@@ -35,9 +53,14 @@ cose: infra.rego.cose
 sign1util: ../../cmd/sign1util/main.go *.go
 	go build ../../cmd/sign1util
 
-infra.rego.cose: infra.rego.base64 chain.pem leaf.private.pem sign1util
-	./sign1util create -algo ES384 -chain chain.pem -claims infra.rego.base64 -key leaf.private.pem -out $@ -issuer TestIssuer -feed TestFeed -salt zero
-	./sign1util check -in $@
+#infra.rego.cose: infra.rego chain.pem leaf.private.pem sign1util
+#	./sign1util create -algo ES384 -chain chain.pem -claims infra.rego -key leaf.private.pem -out $@ -issuer TestIssuer -feed TestFeed -salt zero
+#	./sign1util check -in $@
+
+%.rego.cose: %.rego chain.pem leaf.private.pem sign1util
+	./sign1util create -algo ES384 -chain chain.pem -claims $< -key leaf.private.pem -out $@ -salt zero \
+	-feed $(FEED) -content-type application/unknown+rego \
+ 	-issuer $(ISSUER_DID)
 
 print: infra.rego.cose sign1util
 	./sign1util chain -in $< > tmp.chain.pem
@@ -51,9 +74,13 @@ show: sign1util
 didx509: chain.pem sign1util
 	./sign1util did-x509 -chain chain.pem -i 1 -policy "subject:CN:Test Leaf (DO NOT TRUST)" -verbose
 
+info: chain.pem sign1util
+	@echo "ISSUER_DID: $(ISSUER_DID)"
+	@echo "DID_FINGERPRINT: $(DID_FINGERPRINT)"
+
 # for this to pass the did:x509 fingerprint (RgpNsHOK5hPlCAfTtiGY_BcDhFRxQbJnhlxNDhxps6U here) needs to be the one output from make print
-did-check: chain.pem infra.rego.cose sign1util
-	./sign1util check -in infra.rego.cose -did did:x509:0:sha256:RgpNsHOK5hPlCAfTtiGY_BcDhFRxQbJnhlxNDhxps6U::subject:CN:Test%20Leaf%20%28DO%20NOT%20TRUST%29
+did-check: chain.pem infra.rego.cose sign1util info
+	./sign1util check -in infra.rego.cose -did $(ISSUER_DID)
 
 # For normal workflow start from the chain.pem, here we'd take the chain from inside the cose sign1 doc, eg to manually confirm it is
 # as otherwise expected (ie that the issuer DID matches the chain) or to shortcut getting a DID from a cose document.
@@ -61,13 +88,29 @@ did-check: chain.pem infra.rego.cose sign1util
 did-from-cose: sign1util infra.rego.cose
 	./sign1util did-x509 -in infra.rego.cose -policy cn
 
-did-fail-fingerprint: chain.pem sign1util
-	./sign1util check -chain chain.pem -in infra.rego.cose -did did:x509:0:sha256:XXXi_nuWegx4NiLaeGabiz36bDUhDDiHEFl8HXMA_4o::subject:CN:Test+Leaf+%28DO+NOT+TRUST%29
+# these test changing the fingerprint/sublect to prove failure when the DID is checked against the chain
+# note that since the infra.rego.cose is actually good the first part of the check will report a pass "checkCoseSign1 passed"
 
-did-fail-subject: chain.pem sign1util
-	./sign1util check -chain chain.pem -in infra.rego.cose -did did:x509:0:sha256:RgpNsHOK5hPlCAfTtiGY_BcDhFRxQbJnhlxNDhxps6U::subject:CN:Test+XXXX+%28DO+NOT+TRUST%29
+# expect "DID resolvers failed: err: DID verification failed: unexpected certificate fingerprint"
+did-fail-fingerprint: chain.pem sign1util infra.rego.cose
+	./sign1util check -in infra.rego.cose -did did:x509:0:sha256:XXXi_nuWegx4NiLaeGabiz36bDUhDDiHEFl8HXMA_4o::subject:CN:Test+Leaf+%28DO+NOT+TRUST%29
 
-did-fail: did-fail-subject did-fail-fingerprint
+# expect "DID resolvers failed: err: DID verification failed: invalid subject value: CN=Test XXXX (DO NOT TRUST)"
+did-fail-subject: chain.pem sign1util infra.rego.cose
+	./sign1util check -in infra.rego.cose -did did:x509:0:sha256:$(DID_FINGERPRINT)::subject:CN:Test+XXXX+%28DO+NOT+TRUST%29
+
+did-fail: did-fail-subject did-fail-fingerprint 
+
+# can be confusing
+test: test-pass test-fail
+
+test-all: test
+
+# positive tests
+test-pass: print show didx509 did-check did-from-cose
+
+# negative tests
+test-fail: did-fail
 
 
 # beyond the scope of this repo
@@ -80,17 +123,10 @@ did-fail: did-fail-subject did-fail-fingerprint
 #	--artifact-type application/x-ms-ccepolicy-frag \
 #	--manifest-config /dev/null:application/vnd.unknown.config.v1+json \
 #	--subject ${INFRA_IMAGE} \
-#	./infra.rego.cose:application/cose_x509+rego
-
-%.pem:
-	 $(MAKE) -f Makefile.certs chain.pem
+#	./infra.rego.cose:application/cose-x509+rego
 
 
-infra.rego.base64: infra.rego
-	base64 infra.rego > infra.rego.base64
-
-test-all: print show didx509 did-check did-from-cose did-fail
 
 clean:
 	$(MAKE) -f Makefile.certs $@
-	rm -f infra.rego.base64 infra.rego.cose sign1util
+	rm -f infra.rego.cose sign1util

vendor/github.com/Microsoft/cosesign1go/pkg/cosesign1/bob.rego

@@ -0,0 +1,17 @@
+package infra
+
+svn := "1"
+framework_version := "0.1.0"
+
+containers := [
+    {
+        "command": ["python3","infra.py"],
+        "env_rules": [{"pattern": "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "strategy": "string", "required": false},{"pattern": "PYTHONUNBUFFERED=1", "strategy": "string", "required": false},{"pattern": "TERM=xterm", "strategy": "string", "required": false}],
+        "layers": ["37e9dcf799048b7d35ce53584e0984198e1bc3366c3bb5582fd97553d31beb4e","97112ba1d4a2c86c1c15a3e13f606e8fcc0fb1b49154743cadd1f065c42fee5a","1e66649e162d99c4d675d8d8c3af90ece3799b33d24671bc83fe9ea5143daf2f","3413e98a178646d4703ea70b9bff2d4410e606a22062046992cda8c8aedaa387","b99a9ced77c45fc4dc96bac8ea1e4d9bc1d2a66696cc057d3f3cca79dc999702","e7fbe653352d546497c534c629269c4c04f1997f6892bd66c273f0c9753a4de3","04c110e9406d2b57079f1eac4c9c5247747caa3bcaab6d83651de6e7da97cb40","92e50344671ca5a960887b64c545dbc6d5ca3be82d105c486aabbd381db67578","0a91a3c8a3e80e31a0692609a39e74469119ba071cb0c450a04c86a480345484"],
+        "mounts": [],
+        "exec_processes": [],
+        "signals": [],
+        "allow_elevated": true,
+        "working_dir": "/infra"
+    },
+]

vendor/github.com/containerd/containerd/errdefs/errors.go

@@ -0,0 +1,72 @@
+/*
+   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 errdefs defines the common errors used throughout containerd
+// packages.
+//
+// Use with fmt.Errorf to add context to an error.
+//
+// To detect an error class, use the IsXXX functions to tell whether an error
+// is of a certain type.
+package errdefs
+
+import (
+	"github.com/containerd/errdefs"
+)
+
+// Definitions of common error types used throughout containerd. All containerd
+// errors returned by most packages will map into one of these errors classes.
+// Packages should return errors of these types when they want to instruct a
+// client to take a particular action.
+//
+// These errors map closely to grpc errors.
+var (
+	ErrUnknown            = errdefs.ErrUnknown
+	ErrInvalidArgument    = errdefs.ErrInvalidArgument
+	ErrNotFound           = errdefs.ErrNotFound
+	ErrAlreadyExists      = errdefs.ErrAlreadyExists
+	ErrPermissionDenied   = errdefs.ErrPermissionDenied
+	ErrResourceExhausted  = errdefs.ErrResourceExhausted
+	ErrFailedPrecondition = errdefs.ErrFailedPrecondition
+	ErrConflict           = errdefs.ErrConflict
+	ErrNotModified        = errdefs.ErrNotModified
+	ErrAborted            = errdefs.ErrAborted
+	ErrOutOfRange         = errdefs.ErrOutOfRange
+	ErrNotImplemented     = errdefs.ErrNotImplemented
+	ErrInternal           = errdefs.ErrInternal
+	ErrUnavailable        = errdefs.ErrUnavailable
+	ErrDataLoss           = errdefs.ErrDataLoss
+	ErrUnauthenticated    = errdefs.ErrUnauthenticated
+
+	IsCanceled           = errdefs.IsCanceled
+	IsUnknown            = errdefs.IsUnknown
+	IsInvalidArgument    = errdefs.IsInvalidArgument
+	IsDeadlineExceeded   = errdefs.IsDeadlineExceeded
+	IsNotFound           = errdefs.IsNotFound
+	IsAlreadyExists      = errdefs.IsAlreadyExists
+	IsPermissionDenied   = errdefs.IsPermissionDenied
+	IsResourceExhausted  = errdefs.IsResourceExhausted
+	IsFailedPrecondition = errdefs.IsFailedPrecondition
+	IsConflict           = errdefs.IsConflict
+	IsNotModified        = errdefs.IsNotModified
+	IsAborted            = errdefs.IsAborted
+	IsOutOfRange         = errdefs.IsOutOfRange
+	IsNotImplemented     = errdefs.IsNotImplemented
+	IsInternal           = errdefs.IsInternal
+	IsUnavailable        = errdefs.IsUnavailable
+	IsDataLoss           = errdefs.IsDataLoss
+	IsUnauthorized       = errdefs.IsUnauthorized
+)

vendor/github.com/containerd/containerd/events/exchange/exchange.go

@@ -22,14 +22,15 @@ import (
 	"strings"
 	"time"
 
+	"github.com/containerd/log"
+	"github.com/containerd/typeurl/v2"
+	goevents "github.com/docker/go-events"
+
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/events"
 	"github.com/containerd/containerd/filters"
 	"github.com/containerd/containerd/identifiers"
 	"github.com/containerd/containerd/namespaces"
-	"github.com/containerd/errdefs"
-	"github.com/containerd/log"
-	"github.com/containerd/typeurl/v2"
-	goevents "github.com/docker/go-events"
 )
 
 // Exchange broadcasts events

vendor/github.com/containerd/containerd/filters/parser.go

@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"io"
 
-	"github.com/containerd/errdefs"
+	"github.com/containerd/containerd/errdefs"
 )
 
 /*

vendor/github.com/containerd/containerd/identifiers/validate.go

@@ -28,7 +28,7 @@ import (
 	"fmt"
 	"regexp"
 
-	"github.com/containerd/errdefs"
+	"github.com/containerd/containerd/errdefs"
 )
 
 const (

vendor/github.com/containerd/containerd/mount/mount_linux.go

@@ -26,7 +26,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/containerd/containerd/pkg/userns"
+	"github.com/moby/sys/userns"
 	"golang.org/x/sys/unix"
 )
 

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

@@ -21,8 +21,8 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/identifiers"
-	"github.com/containerd/errdefs"
 )
 
 const (

vendor/github.com/containerd/containerd/pkg/userns/userns_linux.go

@@ -1,62 +0,0 @@
-/*
-   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 userns
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"sync"
-)
-
-var (
-	inUserNS bool
-	nsOnce   sync.Once
-)
-
-// RunningInUserNS detects whether we are currently running in a user namespace.
-// Originally copied from github.com/lxc/lxd/shared/util.go
-func RunningInUserNS() bool {
-	nsOnce.Do(func() {
-		file, err := os.Open("/proc/self/uid_map")
-		if err != nil {
-			// This kernel-provided file only exists if user namespaces are supported
-			return
-		}
-		defer file.Close()
-
-		buf := bufio.NewReader(file)
-		l, _, err := buf.ReadLine()
-		if err != nil {
-			return
-		}
-
-		line := string(l)
-		var a, b, c int64
-		fmt.Sscanf(line, "%d %d %d", &a, &b, &c)
-
-		/*
-		 * We assume we are in the initial user namespace if we have a full
-		 * range - 4294967295 uids starting at uid 0.
-		 */
-		if a == 0 && b == 0 && c == 4294967295 {
-			return
-		}
-		inUserNS = true
-	})
-	return inUserNS
-}

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

@@ -23,8 +23,8 @@ import (
 
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/events/exchange"
-	"github.com/containerd/errdefs"
 )
 
 // InitContext is used for plugin initialization

vendor/github.com/containerd/containerd/runtime/nsmap.go

@@ -21,8 +21,8 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/namespaces"
-	"github.com/containerd/errdefs"
 )
 
 type object interface {

vendor/github.com/containerd/containerd/runtime/v2/shim/shim_windows.go

@@ -22,7 +22,7 @@ import (
 	"net"
 	"os"
 
-	"github.com/containerd/errdefs"
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/ttrpc"
 	"github.com/sirupsen/logrus"
 )

vendor/github.com/containerd/containerd/runtime/v2/shim/util.go

@@ -32,11 +32,11 @@ import (
 	"github.com/containerd/ttrpc"
 	"github.com/containerd/typeurl/v2"
 
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/namespaces"
 	"github.com/containerd/containerd/pkg/atomicfile"
 	"github.com/containerd/containerd/protobuf/proto"
 	"github.com/containerd/containerd/protobuf/types"
-	"github.com/containerd/errdefs"
 )
 
 type CommandConfig struct {

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

@@ -22,7 +22,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/containerd/containerd/pkg/userns"
+	"github.com/moby/sys/userns"
 	"golang.org/x/sys/unix"
 )
 

vendor/github.com/containerd/containerd/version/version.go

@@ -23,7 +23,7 @@ var (
 	Package = "github.com/containerd/containerd"
 
 	// Version holds the complete version number. Filled in at linking time.
-	Version = "1.7.20+unknown"
+	Version = "1.7.23+unknown"
 
 	// Revision is filled with the VCS (e.g. git) revision being used to build
 	// the program at linking time.

vendor/github.com/containerd/errdefs/errors.go

@@ -21,9 +21,6 @@
 //
 // To detect an error class, use the IsXXX functions to tell whether an error
 // is of a certain type.
-//
-// The functions ToGRPC and FromGRPC can be used to map server-side and
-// client-side errors to the correct types.
 package errdefs
 
 import (
@@ -36,57 +33,411 @@ import (
 // Packages should return errors of these types when they want to instruct a
 // client to take a particular action.
 //
-// For the most part, we just try to provide local grpc errors. Most conditions
-// map very well to those defined by grpc.
+// These errors map closely to grpc errors.
 var (
-	ErrUnknown            = errors.New("unknown") // used internally to represent a missed mapping.
-	ErrInvalidArgument    = errors.New("invalid argument")
-	ErrNotFound           = errors.New("not found")
-	ErrAlreadyExists      = errors.New("already exists")
-	ErrFailedPrecondition = errors.New("failed precondition")
-	ErrUnavailable        = errors.New("unavailable")
-	ErrNotImplemented     = errors.New("not implemented") // represents not supported and unimplemented
+	ErrUnknown            = errUnknown{}
+	ErrInvalidArgument    = errInvalidArgument{}
+	ErrNotFound           = errNotFound{}
+	ErrAlreadyExists      = errAlreadyExists{}
+	ErrPermissionDenied   = errPermissionDenied{}
+	ErrResourceExhausted  = errResourceExhausted{}
+	ErrFailedPrecondition = errFailedPrecondition{}
+	ErrConflict           = errConflict{}
+	ErrNotModified        = errNotModified{}
+	ErrAborted            = errAborted{}
+	ErrOutOfRange         = errOutOfRange{}
+	ErrNotImplemented     = errNotImplemented{}
+	ErrInternal           = errInternal{}
+	ErrUnavailable        = errUnavailable{}
+	ErrDataLoss           = errDataLoss{}
+	ErrUnauthenticated    = errUnauthorized{}
 )
 
-// IsInvalidArgument returns true if the error is due to an invalid argument
-func IsInvalidArgument(err error) bool {
-	return errors.Is(err, ErrInvalidArgument)
-}
-
-// IsNotFound returns true if the error is due to a missing object
-func IsNotFound(err error) bool {
-	return errors.Is(err, ErrNotFound)
-}
-
-// IsAlreadyExists returns true if the error is due to an already existing
-// metadata item
-func IsAlreadyExists(err error) bool {
-	return errors.Is(err, ErrAlreadyExists)
-}
-
-// IsFailedPrecondition returns true if an operation could not proceed to the
-// lack of a particular condition
-func IsFailedPrecondition(err error) bool {
-	return errors.Is(err, ErrFailedPrecondition)
-}
-
-// IsUnavailable returns true if the error is due to a resource being unavailable
-func IsUnavailable(err error) bool {
-	return errors.Is(err, ErrUnavailable)
-}
-
-// IsNotImplemented returns true if the error is due to not being implemented
-func IsNotImplemented(err error) bool {
-	return errors.Is(err, ErrNotImplemented)
+// cancelled maps to Moby's "ErrCancelled"
+type cancelled interface {
+	Cancelled()
 }
 
 // IsCanceled returns true if the error is due to `context.Canceled`.
 func IsCanceled(err error) bool {
-	return errors.Is(err, context.Canceled)
+	return errors.Is(err, context.Canceled) || isInterface[cancelled](err)
+}
+
+type errUnknown struct{}
+
+func (errUnknown) Error() string { return "unknown" }
+
+func (errUnknown) Unknown() {}
+
+func (e errUnknown) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// unknown maps to Moby's "ErrUnknown"
+type unknown interface {
+	Unknown()
+}
+
+// IsUnknown returns true if the error is due to an unknown error,
+// unhandled condition or unexpected response.
+func IsUnknown(err error) bool {
+	return errors.Is(err, errUnknown{}) || isInterface[unknown](err)
+}
+
+type errInvalidArgument struct{}
+
+func (errInvalidArgument) Error() string { return "invalid argument" }
+
+func (errInvalidArgument) InvalidParameter() {}
+
+func (e errInvalidArgument) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// invalidParameter maps to Moby's "ErrInvalidParameter"
+type invalidParameter interface {
+	InvalidParameter()
+}
+
+// IsInvalidArgument returns true if the error is due to an invalid argument
+func IsInvalidArgument(err error) bool {
+	return errors.Is(err, ErrInvalidArgument) || isInterface[invalidParameter](err)
+}
+
+// deadlineExceed maps to Moby's "ErrDeadline"
+type deadlineExceeded interface {
+	DeadlineExceeded()
 }
 
 // IsDeadlineExceeded returns true if the error is due to
 // `context.DeadlineExceeded`.
 func IsDeadlineExceeded(err error) bool {
-	return errors.Is(err, context.DeadlineExceeded)
+	return errors.Is(err, context.DeadlineExceeded) || isInterface[deadlineExceeded](err)
+}
+
+type errNotFound struct{}
+
+func (errNotFound) Error() string { return "not found" }
+
+func (errNotFound) NotFound() {}
+
+func (e errNotFound) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// notFound maps to Moby's "ErrNotFound"
+type notFound interface {
+	NotFound()
+}
+
+// IsNotFound returns true if the error is due to a missing object
+func IsNotFound(err error) bool {
+	return errors.Is(err, ErrNotFound) || isInterface[notFound](err)
+}
+
+type errAlreadyExists struct{}
+
+func (errAlreadyExists) Error() string { return "already exists" }
+
+func (errAlreadyExists) AlreadyExists() {}
+
+func (e errAlreadyExists) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type alreadyExists interface {
+	AlreadyExists()
+}
+
+// IsAlreadyExists returns true if the error is due to an already existing
+// metadata item
+func IsAlreadyExists(err error) bool {
+	return errors.Is(err, ErrAlreadyExists) || isInterface[alreadyExists](err)
+}
+
+type errPermissionDenied struct{}
+
+func (errPermissionDenied) Error() string { return "permission denied" }
+
+func (errPermissionDenied) Forbidden() {}
+
+func (e errPermissionDenied) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// forbidden maps to Moby's "ErrForbidden"
+type forbidden interface {
+	Forbidden()
+}
+
+// IsPermissionDenied returns true if the error is due to permission denied
+// or forbidden (403) response
+func IsPermissionDenied(err error) bool {
+	return errors.Is(err, ErrPermissionDenied) || isInterface[forbidden](err)
+}
+
+type errResourceExhausted struct{}
+
+func (errResourceExhausted) Error() string { return "resource exhausted" }
+
+func (errResourceExhausted) ResourceExhausted() {}
+
+func (e errResourceExhausted) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type resourceExhausted interface {
+	ResourceExhausted()
+}
+
+// IsResourceExhausted returns true if the error is due to
+// a lack of resources or too many attempts.
+func IsResourceExhausted(err error) bool {
+	return errors.Is(err, errResourceExhausted{}) || isInterface[resourceExhausted](err)
+}
+
+type errFailedPrecondition struct{}
+
+func (e errFailedPrecondition) Error() string { return "failed precondition" }
+
+func (errFailedPrecondition) FailedPrecondition() {}
+
+func (e errFailedPrecondition) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type failedPrecondition interface {
+	FailedPrecondition()
+}
+
+// IsFailedPrecondition returns true if an operation could not proceed due to
+// the lack of a particular condition
+func IsFailedPrecondition(err error) bool {
+	return errors.Is(err, errFailedPrecondition{}) || isInterface[failedPrecondition](err)
+}
+
+type errConflict struct{}
+
+func (errConflict) Error() string { return "conflict" }
+
+func (errConflict) Conflict() {}
+
+func (e errConflict) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// conflict maps to Moby's "ErrConflict"
+type conflict interface {
+	Conflict()
+}
+
+// IsConflict returns true if an operation could not proceed due to
+// a conflict.
+func IsConflict(err error) bool {
+	return errors.Is(err, errConflict{}) || isInterface[conflict](err)
+}
+
+type errNotModified struct{}
+
+func (errNotModified) Error() string { return "not modified" }
+
+func (errNotModified) NotModified() {}
+
+func (e errNotModified) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// notModified maps to Moby's "ErrNotModified"
+type notModified interface {
+	NotModified()
+}
+
+// IsNotModified returns true if an operation could not proceed due
+// to an object not modified from a previous state.
+func IsNotModified(err error) bool {
+	return errors.Is(err, errNotModified{}) || isInterface[notModified](err)
+}
+
+type errAborted struct{}
+
+func (errAborted) Error() string { return "aborted" }
+
+func (errAborted) Aborted() {}
+
+func (e errAborted) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type aborted interface {
+	Aborted()
+}
+
+// IsAborted returns true if an operation was aborted.
+func IsAborted(err error) bool {
+	return errors.Is(err, errAborted{}) || isInterface[aborted](err)
+}
+
+type errOutOfRange struct{}
+
+func (errOutOfRange) Error() string { return "out of range" }
+
+func (errOutOfRange) OutOfRange() {}
+
+func (e errOutOfRange) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type outOfRange interface {
+	OutOfRange()
+}
+
+// IsOutOfRange returns true if an operation could not proceed due
+// to data being out of the expected range.
+func IsOutOfRange(err error) bool {
+	return errors.Is(err, errOutOfRange{}) || isInterface[outOfRange](err)
+}
+
+type errNotImplemented struct{}
+
+func (errNotImplemented) Error() string { return "not implemented" }
+
+func (errNotImplemented) NotImplemented() {}
+
+func (e errNotImplemented) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// notImplemented maps to Moby's "ErrNotImplemented"
+type notImplemented interface {
+	NotImplemented()
+}
+
+// IsNotImplemented returns true if the error is due to not being implemented
+func IsNotImplemented(err error) bool {
+	return errors.Is(err, errNotImplemented{}) || isInterface[notImplemented](err)
+}
+
+type errInternal struct{}
+
+func (errInternal) Error() string { return "internal" }
+
+func (errInternal) System() {}
+
+func (e errInternal) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// system maps to Moby's "ErrSystem"
+type system interface {
+	System()
+}
+
+// IsInternal returns true if the error returns to an internal or system error
+func IsInternal(err error) bool {
+	return errors.Is(err, errInternal{}) || isInterface[system](err)
+}
+
+type errUnavailable struct{}
+
+func (errUnavailable) Error() string { return "unavailable" }
+
+func (errUnavailable) Unavailable() {}
+
+func (e errUnavailable) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// unavailable maps to Moby's "ErrUnavailable"
+type unavailable interface {
+	Unavailable()
+}
+
+// IsUnavailable returns true if the error is due to a resource being unavailable
+func IsUnavailable(err error) bool {
+	return errors.Is(err, errUnavailable{}) || isInterface[unavailable](err)
+}
+
+type errDataLoss struct{}
+
+func (errDataLoss) Error() string { return "data loss" }
+
+func (errDataLoss) DataLoss() {}
+
+func (e errDataLoss) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// dataLoss maps to Moby's "ErrDataLoss"
+type dataLoss interface {
+	DataLoss()
+}
+
+// IsDataLoss returns true if data during an operation was lost or corrupted
+func IsDataLoss(err error) bool {
+	return errors.Is(err, errDataLoss{}) || isInterface[dataLoss](err)
+}
+
+type errUnauthorized struct{}
+
+func (errUnauthorized) Error() string { return "unauthorized" }
+
+func (errUnauthorized) Unauthorized() {}
+
+func (e errUnauthorized) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// unauthorized maps to Moby's "ErrUnauthorized"
+type unauthorized interface {
+	Unauthorized()
+}
+
+// IsUnauthorized returns true if the error indicates that the user was
+// unauthenticated or unauthorized.
+func IsUnauthorized(err error) bool {
+	return errors.Is(err, errUnauthorized{}) || isInterface[unauthorized](err)
+}
+
+func isInterface[T any](err error) bool {
+	for {
+		switch x := err.(type) {
+		case T:
+			return true
+		case customMessage:
+			err = x.err
+		case interface{ Unwrap() error }:
+			err = x.Unwrap()
+			if err == nil {
+				return false
+			}
+		case interface{ Unwrap() []error }:
+			for _, err := range x.Unwrap() {
+				if isInterface[T](err) {
+					return true
+				}
+			}
+			return false
+		default:
+			return false
+		}
+	}
+}
+
+// customMessage is used to provide a defined error with a custom message.
+// The message is not wrapped but can be compared by the `Is(error) bool` interface.
+type customMessage struct {
+	err error
+	msg string
+}
+
+func (c customMessage) Is(err error) bool {
+	return c.err == err
+}
+
+func (c customMessage) As(target any) bool {
+	return errors.As(c.err, target)
+}
+
+func (c customMessage) Error() string {
+	return c.msg
 }

vendor/github.com/containerd/errdefs/pkg/LICENSE

@@ -0,0 +1,191 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        https://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   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
+
+       https://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.

vendor/github.com/containerd/errdefs/pkg/errgrpc/grpc.go

@@ -0,0 +1,353 @@
+/*
+   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 errgrpc provides utility functions for translating errors to
+// and from a gRPC context.
+//
+// The functions ToGRPC and ToNative can be used to map server-side and
+// client-side errors to the correct types.
+package errgrpc
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+
+	spb "google.golang.org/genproto/googleapis/rpc/status"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/protoadapt"
+	"google.golang.org/protobuf/types/known/anypb"
+
+	"github.com/containerd/typeurl/v2"
+
+	"github.com/containerd/errdefs"
+	"github.com/containerd/errdefs/pkg/internal/cause"
+	"github.com/containerd/errdefs/pkg/internal/types"
+)
+
+// ToGRPC will attempt to map the error into a grpc error, from the error types
+// defined in the the errdefs package and attempign to preserve the original
+// description. Any type which does not resolve to a defined error type will
+// be assigned the unknown error code.
+//
+// Further information may be extracted from certain errors depending on their
+// type. The grpc error details will be used to attempt to preserve as much of
+// the error structures and types as possible.
+//
+// Errors which can be marshaled using protobuf or typeurl will be considered
+// for including as GRPC error details.
+// Additionally, use the following interfaces in errors to preserve custom types:
+//
+//	WrapError(error) error     - Used to wrap the previous error
+//	JoinErrors(...error) error - Used to join all previous errors
+//	CollapseError()            - Used for errors which carry information but
+//	                             should not have their error message shown.
+func ToGRPC(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	if _, ok := status.FromError(err); ok {
+		// error has already been mapped to grpc
+		return err
+	}
+	st := statusFromError(err)
+	if st != nil {
+		if details := errorDetails(err, false); len(details) > 0 {
+			if ds, _ := st.WithDetails(details...); ds != nil {
+				st = ds
+			}
+		}
+		err = st.Err()
+	}
+	return err
+}
+
+func statusFromError(err error) *status.Status {
+	switch errdefs.Resolve(err) {
+	case errdefs.ErrInvalidArgument:
+		return status.New(codes.InvalidArgument, err.Error())
+	case errdefs.ErrNotFound:
+		return status.New(codes.NotFound, err.Error())
+	case errdefs.ErrAlreadyExists:
+		return status.New(codes.AlreadyExists, err.Error())
+	case errdefs.ErrPermissionDenied:
+		return status.New(codes.PermissionDenied, err.Error())
+	case errdefs.ErrResourceExhausted:
+		return status.New(codes.ResourceExhausted, err.Error())
+	case errdefs.ErrFailedPrecondition, errdefs.ErrConflict, errdefs.ErrNotModified:
+		return status.New(codes.FailedPrecondition, err.Error())
+	case errdefs.ErrAborted:
+		return status.New(codes.Aborted, err.Error())
+	case errdefs.ErrOutOfRange:
+		return status.New(codes.OutOfRange, err.Error())
+	case errdefs.ErrNotImplemented:
+		return status.New(codes.Unimplemented, err.Error())
+	case errdefs.ErrInternal:
+		return status.New(codes.Internal, err.Error())
+	case errdefs.ErrUnavailable:
+		return status.New(codes.Unavailable, err.Error())
+	case errdefs.ErrDataLoss:
+		return status.New(codes.DataLoss, err.Error())
+	case errdefs.ErrUnauthenticated:
+		return status.New(codes.Unauthenticated, err.Error())
+	case context.DeadlineExceeded:
+		return status.New(codes.DeadlineExceeded, err.Error())
+	case context.Canceled:
+		return status.New(codes.Canceled, err.Error())
+	case errdefs.ErrUnknown:
+		return status.New(codes.Unknown, err.Error())
+	}
+	return nil
+}
+
+// errorDetails returns an array of errors which make up the provided error.
+// If firstIncluded is true, then all encodable errors will be used, otherwise
+// the first error in an error list will be not be used, to account for the
+// the base status error which details are added to via wrap or join.
+//
+// The errors are ordered in way that they can be applied in order by either
+// wrapping or joining the errors to recreate an error with the same structure
+// when `WrapError` and `JoinErrors` interfaces are used.
+//
+// The intent is that when re-applying the errors to create a single error, the
+// results of calls to `Error()`, `errors.Is`, `errors.As`, and "%+v" formatting
+// is the same as the original error.
+func errorDetails(err error, firstIncluded bool) []protoadapt.MessageV1 {
+	switch uerr := err.(type) {
+	case interface{ Unwrap() error }:
+		details := errorDetails(uerr.Unwrap(), firstIncluded)
+
+		// If the type is able to wrap, then include if proto
+		if _, ok := err.(interface{ WrapError(error) error }); ok {
+			// Get proto message
+			if protoErr := toProtoMessage(err); protoErr != nil {
+				details = append(details, protoErr)
+			}
+		}
+
+		return details
+	case interface{ Unwrap() []error }:
+		var details []protoadapt.MessageV1
+		for i, e := range uerr.Unwrap() {
+			details = append(details, errorDetails(e, firstIncluded || i > 0)...)
+		}
+
+		if _, ok := err.(interface{ JoinErrors(...error) error }); ok {
+			// Get proto message
+			if protoErr := toProtoMessage(err); protoErr != nil {
+				details = append(details, protoErr)
+			}
+		}
+		return details
+	}
+
+	if firstIncluded {
+		if protoErr := toProtoMessage(err); protoErr != nil {
+			return []protoadapt.MessageV1{protoErr}
+		}
+		if gs, ok := status.FromError(ToGRPC(err)); ok {
+			return []protoadapt.MessageV1{gs.Proto()}
+		}
+		// TODO: Else include unknown extra error type?
+	}
+
+	return nil
+}
+
+func toProtoMessage(err error) protoadapt.MessageV1 {
+	// Do not double encode proto messages, otherwise use Any
+	if pm, ok := err.(protoadapt.MessageV1); ok {
+		return pm
+	}
+	if pm, ok := err.(proto.Message); ok {
+		return protoadapt.MessageV1Of(pm)
+	}
+
+	if reflect.TypeOf(err).Kind() == reflect.Ptr {
+		a, aerr := typeurl.MarshalAny(err)
+		if aerr == nil {
+			return &anypb.Any{
+				TypeUrl: a.GetTypeUrl(),
+				Value:   a.GetValue(),
+			}
+		}
+	}
+	return nil
+}
+
+// ToGRPCf maps the error to grpc error codes, assembling the formatting string
+// and combining it with the target error string.
+//
+// This is equivalent to grpc.ToGRPC(fmt.Errorf("%s: %w", fmt.Sprintf(format, args...), err))
+func ToGRPCf(err error, format string, args ...interface{}) error {
+	return ToGRPC(fmt.Errorf("%s: %w", fmt.Sprintf(format, args...), err))
+}
+
+// ToNative returns the underlying error from a grpc service based on the grpc
+// error code. The grpc details are used to add wrap the error in more context
+// or support multiple errors.
+func ToNative(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	s, isGRPC := status.FromError(err)
+
+	var (
+		desc string
+		code codes.Code
+	)
+
+	if isGRPC {
+		desc = s.Message()
+		code = s.Code()
+	} else {
+		desc = err.Error()
+		code = codes.Unknown
+	}
+
+	var cls error // divide these into error classes, becomes the cause
+
+	switch code {
+	case codes.InvalidArgument:
+		cls = errdefs.ErrInvalidArgument
+	case codes.AlreadyExists:
+		cls = errdefs.ErrAlreadyExists
+	case codes.NotFound:
+		cls = errdefs.ErrNotFound
+	case codes.Unavailable:
+		cls = errdefs.ErrUnavailable
+	case codes.FailedPrecondition:
+		// TODO: Has suffix is not sufficient for conflict and not modified
+		// Message should start with ": " or be at beginning of a line
+		// Message should end with ": " or be at the end of a line
+		// Compile a regex
+		if desc == errdefs.ErrConflict.Error() || strings.HasSuffix(desc, ": "+errdefs.ErrConflict.Error()) {
+			cls = errdefs.ErrConflict
+		} else if desc == errdefs.ErrNotModified.Error() || strings.HasSuffix(desc, ": "+errdefs.ErrNotModified.Error()) {
+			cls = errdefs.ErrNotModified
+		} else {
+			cls = errdefs.ErrFailedPrecondition
+		}
+	case codes.Unimplemented:
+		cls = errdefs.ErrNotImplemented
+	case codes.Canceled:
+		cls = context.Canceled
+	case codes.DeadlineExceeded:
+		cls = context.DeadlineExceeded
+	case codes.Aborted:
+		cls = errdefs.ErrAborted
+	case codes.Unauthenticated:
+		cls = errdefs.ErrUnauthenticated
+	case codes.PermissionDenied:
+		cls = errdefs.ErrPermissionDenied
+	case codes.Internal:
+		cls = errdefs.ErrInternal
+	case codes.DataLoss:
+		cls = errdefs.ErrDataLoss
+	case codes.OutOfRange:
+		cls = errdefs.ErrOutOfRange
+	case codes.ResourceExhausted:
+		cls = errdefs.ErrResourceExhausted
+	default:
+		if idx := strings.LastIndex(desc, cause.UnexpectedStatusPrefix); idx > 0 {
+			if status, uerr := strconv.Atoi(desc[idx+len(cause.UnexpectedStatusPrefix):]); uerr == nil && status >= 200 && status < 600 {
+				cls = cause.ErrUnexpectedStatus{Status: status}
+			}
+		}
+		if cls == nil {
+			cls = errdefs.ErrUnknown
+		}
+	}
+
+	msg := rebaseMessage(cls, desc)
+	if msg == "" {
+		err = cls
+	} else if msg != desc {
+		err = fmt.Errorf("%s: %w", msg, cls)
+	} else if wm, ok := cls.(interface{ WithMessage(string) error }); ok {
+		err = wm.WithMessage(msg)
+	} else {
+		err = fmt.Errorf("%s: %w", msg, cls)
+	}
+
+	if isGRPC {
+		errs := []error{err}
+		for _, a := range s.Details() {
+			var derr error
+
+			// First decode error if needed
+			if s, ok := a.(*spb.Status); ok {
+				derr = ToNative(status.ErrorProto(s))
+			} else if e, ok := a.(error); ok {
+				derr = e
+			} else if dany, ok := a.(typeurl.Any); ok {
+				i, uerr := typeurl.UnmarshalAny(dany)
+				if uerr == nil {
+					if e, ok = i.(error); ok {
+						derr = e
+					} else {
+						derr = fmt.Errorf("non-error unmarshalled detail: %v", i)
+					}
+				} else {
+					derr = fmt.Errorf("error of type %q with failure to unmarshal: %v", dany.GetTypeUrl(), uerr)
+				}
+			} else {
+				derr = fmt.Errorf("non-error detail: %v", a)
+			}
+
+			switch werr := derr.(type) {
+			case interface{ WrapError(error) error }:
+				errs[len(errs)-1] = werr.WrapError(errs[len(errs)-1])
+			case interface{ JoinErrors(...error) error }:
+				// TODO: Consider whether this should support joining a subset
+				errs[0] = werr.JoinErrors(errs...)
+			case interface{ CollapseError() }:
+				errs[len(errs)-1] = types.CollapsedError(errs[len(errs)-1], derr)
+			default:
+				errs = append(errs, derr)
+			}
+
+		}
+		if len(errs) > 1 {
+			err = errors.Join(errs...)
+		} else {
+			err = errs[0]
+		}
+	}
+
+	return err
+}
+
+// rebaseMessage removes the repeats for an error at the end of an error
+// string. This will happen when taking an error over grpc then remapping it.
+//
+// Effectively, we just remove the string of cls from the end of err if it
+// appears there.
+func rebaseMessage(cls error, desc string) string {
+	clss := cls.Error()
+	if desc == clss {
+		return ""
+	}
+
+	return strings.TrimSuffix(desc, ": "+clss)
+}

vendor/github.com/containerd/errdefs/pkg/internal/cause/cause.go

@@ -1,5 +1,3 @@
-//go:build !linux
-
 /*
    Copyright The containerd Authors.
 
@@ -16,10 +14,20 @@
    limitations under the License.
 */
 
-package userns
+// Package cause is used to define root causes for errors
+// common to errors packages like grpc and http.
+package cause
 
-// RunningInUserNS is a stub for non-Linux systems
-// Always returns false
-func RunningInUserNS() bool {
-	return false
+import "fmt"
+
+type ErrUnexpectedStatus struct {
+	Status int
 }
+
+const UnexpectedStatusPrefix = "unexpected status "
+
+func (e ErrUnexpectedStatus) Error() string {
+	return fmt.Sprintf("%s%d", UnexpectedStatusPrefix, e.Status)
+}
+
+func (ErrUnexpectedStatus) Unknown() {}

vendor/github.com/containerd/errdefs/pkg/internal/types/collapsible.go

@@ -0,0 +1,57 @@
+/*
+   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 types
+
+import "fmt"
+
+// CollapsibleError indicates the error should be collapsed
+type CollapsibleError interface {
+	CollapseError()
+}
+
+// CollapsedError returns a new error with the collapsed
+// error returned on unwrapped or when formatted with "%+v"
+func CollapsedError(err error, collapsed ...error) error {
+	return collapsedError{err, collapsed}
+}
+
+type collapsedError struct {
+	error
+	collapsed []error
+}
+
+func (c collapsedError) Unwrap() []error {
+	return append([]error{c.error}, c.collapsed...)
+}
+
+func (c collapsedError) Format(s fmt.State, verb rune) {
+	switch verb {
+	case 'v':
+		if s.Flag('+') {
+			fmt.Fprintf(s, "%+v", c.error)
+			for _, err := range c.collapsed {
+				fmt.Fprintf(s, "\n%+v", err)
+			}
+			return
+		}
+		fallthrough
+	case 's':
+		fmt.Fprint(s, c.Error())
+	case 'q':
+		fmt.Fprintf(s, "%q", c.Error())
+	}
+}

vendor/github.com/containerd/errdefs/resolve.go

@@ -0,0 +1,147 @@
+/*
+   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 errdefs
+
+import "context"
+
+// Resolve returns the first error found in the error chain which matches an
+// error defined in this package or context error. A raw, unwrapped error is
+// returned or ErrUnknown if no matching error is found.
+//
+// This is useful for determining a response code based on the outermost wrapped
+// error rather than the original cause. For example, a not found error deep
+// in the code may be wrapped as an invalid argument. When determining status
+// code from Is* functions, the depth or ordering of the error is not
+// considered.
+//
+// The search order is depth first, a wrapped error returned from any part of
+// the chain from `Unwrap() error` will be returned before any joined errors
+// as returned by `Unwrap() []error`.
+func Resolve(err error) error {
+	if err == nil {
+		return nil
+	}
+	err = firstError(err)
+	if err == nil {
+		err = ErrUnknown
+	}
+	return err
+}
+
+func firstError(err error) error {
+	for {
+		switch err {
+		case ErrUnknown,
+			ErrInvalidArgument,
+			ErrNotFound,
+			ErrAlreadyExists,
+			ErrPermissionDenied,
+			ErrResourceExhausted,
+			ErrFailedPrecondition,
+			ErrConflict,
+			ErrNotModified,
+			ErrAborted,
+			ErrOutOfRange,
+			ErrNotImplemented,
+			ErrInternal,
+			ErrUnavailable,
+			ErrDataLoss,
+			ErrUnauthenticated,
+			context.DeadlineExceeded,
+			context.Canceled:
+			return err
+		}
+		switch e := err.(type) {
+		case customMessage:
+			err = e.err
+		case unknown:
+			return ErrUnknown
+		case invalidParameter:
+			return ErrInvalidArgument
+		case notFound:
+			return ErrNotFound
+		case alreadyExists:
+			return ErrAlreadyExists
+		case forbidden:
+			return ErrPermissionDenied
+		case resourceExhausted:
+			return ErrResourceExhausted
+		case failedPrecondition:
+			return ErrFailedPrecondition
+		case conflict:
+			return ErrConflict
+		case notModified:
+			return ErrNotModified
+		case aborted:
+			return ErrAborted
+		case errOutOfRange:
+			return ErrOutOfRange
+		case notImplemented:
+			return ErrNotImplemented
+		case system:
+			return ErrInternal
+		case unavailable:
+			return ErrUnavailable
+		case dataLoss:
+			return ErrDataLoss
+		case unauthorized:
+			return ErrUnauthenticated
+		case deadlineExceeded:
+			return context.DeadlineExceeded
+		case cancelled:
+			return context.Canceled
+		case interface{ Unwrap() error }:
+			err = e.Unwrap()
+			if err == nil {
+				return nil
+			}
+		case interface{ Unwrap() []error }:
+			for _, ue := range e.Unwrap() {
+				if fe := firstError(ue); fe != nil {
+					return fe
+				}
+			}
+			return nil
+		case interface{ Is(error) bool }:
+			for _, target := range []error{ErrUnknown,
+				ErrInvalidArgument,
+				ErrNotFound,
+				ErrAlreadyExists,
+				ErrPermissionDenied,
+				ErrResourceExhausted,
+				ErrFailedPrecondition,
+				ErrConflict,
+				ErrNotModified,
+				ErrAborted,
+				ErrOutOfRange,
+				ErrNotImplemented,
+				ErrInternal,
+				ErrUnavailable,
+				ErrDataLoss,
+				ErrUnauthenticated,
+				context.DeadlineExceeded,
+				context.Canceled} {
+				if e.Is(target) {
+					return target
+				}
+			}
+			return nil
+		default:
+			return nil
+		}
+	}
+}

vendor/github.com/containerd/typeurl/v2/README.md

@@ -2,7 +2,7 @@
 
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/containerd/typeurl)](https://pkg.go.dev/github.com/containerd/typeurl)
 [![Build Status](https://github.com/containerd/typeurl/workflows/CI/badge.svg)](https://github.com/containerd/typeurl/actions?query=workflow%3ACI)
-[![codecov](https://codecov.io/gh/containerd/typeurl/branch/master/graph/badge.svg)](https://codecov.io/gh/containerd/typeurl)
+[![codecov](https://codecov.io/gh/containerd/typeurl/branch/main/graph/badge.svg)](https://codecov.io/gh/containerd/typeurl)
 [![Go Report Card](https://goreportcard.com/badge/github.com/containerd/typeurl)](https://goreportcard.com/report/github.com/containerd/typeurl)
 
 A Go package for managing the registration, marshaling, and unmarshaling of encoded types.
@@ -13,8 +13,8 @@ This package helps when types are sent over a ttrpc/GRPC API and marshaled as a
 
 **typeurl** is a containerd sub-project, licensed under the [Apache 2.0 license](./LICENSE).
 As a containerd sub-project, you will find the:
- * [Project governance](https://github.com/containerd/project/blob/master/GOVERNANCE.md),
- * [Maintainers](https://github.com/containerd/project/blob/master/MAINTAINERS),
- * and [Contributing guidelines](https://github.com/containerd/project/blob/master/CONTRIBUTING.md)
+ * [Project governance](https://github.com/containerd/project/blob/main/GOVERNANCE.md),
+ * [Maintainers](https://github.com/containerd/project/blob/main/MAINTAINERS),
+ * and [Contributing guidelines](https://github.com/containerd/project/blob/main/CONTRIBUTING.md)
 
 information in our [`containerd/project`](https://github.com/containerd/project) repository.

vendor/github.com/containerd/typeurl/v2/types.go

@@ -27,6 +27,7 @@ import (
 	gogoproto "github.com/gogo/protobuf/proto"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoregistry"
+	"google.golang.org/protobuf/types/known/anypb"
 )
 
 var (
@@ -122,6 +123,9 @@ func TypeURL(v interface{}) (string, error) {
 
 // Is returns true if the type of the Any is the same as v.
 func Is(any Any, v interface{}) bool {
+	if any == nil {
+		return false
+	}
 	// call to check that v is a pointer
 	tryDereference(v)
 	url, err := TypeURL(v)
@@ -193,6 +197,31 @@ func UnmarshalToByTypeURL(typeURL string, value []byte, out interface{}) error {
 	return err
 }
 
+// MarshalProto converts typeurl.Any to google.golang.org/protobuf/types/known/anypb.Any.
+func MarshalProto(from Any) *anypb.Any {
+	if from == nil {
+		return nil
+	}
+
+	if pbany, ok := from.(*anypb.Any); ok {
+		return pbany
+	}
+
+	return &anypb.Any{
+		TypeUrl: from.GetTypeUrl(),
+		Value:   from.GetValue(),
+	}
+}
+
+// MarshalAnyToProto converts an arbitrary interface to google.golang.org/protobuf/types/known/anypb.Any.
+func MarshalAnyToProto(from interface{}) (*anypb.Any, error) {
+	anyType, err := MarshalAny(from)
+	if err != nil {
+		return nil, err
+	}
+	return MarshalProto(anyType), nil
+}
+
 func unmarshal(typeURL string, value []byte, v interface{}) (interface{}, error) {
 	t, err := getTypeByUrl(typeURL)
 	if err != nil {

vendor/github.com/docker/docker/api/common.go

@@ -3,7 +3,7 @@ package api // import "github.com/docker/docker/api"
 // Common constants for daemon and client.
 const (
 	// DefaultVersion of the current REST API.
-	DefaultVersion = "1.46"
+	DefaultVersion = "1.47"
 
 	// MinSupportedAPIVersion is the minimum API version that can be supported
 	// by the API server, specified as "major.minor". Note that the daemon

vendor/github.com/docker/docker/api/swagger.yaml

@@ -19,10 +19,10 @@ produces:
 consumes:
   - "application/json"
   - "text/plain"
-basePath: "/v1.46"
+basePath: "/v1.47"
 info:
   title: "Docker Engine API"
-  version: "1.46"
+  version: "1.47"
   x-logo:
     url: "https://docs.docker.com/assets/images/logo-docker-main.png"
   description: |
@@ -55,8 +55,8 @@ info:
     the URL is not supported by the daemon, a HTTP `400 Bad Request` error message
     is returned.
 
-    If you omit the version-prefix, the current version of the API (v1.46) is used.
-    For example, calling `/info` is the same as calling `/v1.46/info`. Using the
+    If you omit the version-prefix, the current version of the API (v1.47) is used.
+    For example, calling `/info` is the same as calling `/v1.47/info`. Using the
     API without a version-prefix is deprecated and will be removed in a future release.
 
     Engine releases in the near future should support this version of the API,
@@ -2265,6 +2265,19 @@ definitions:
         x-nullable: false
         type: "integer"
         example: 2
+      Manifests:
+        description: |
+          Manifests is a list of manifests available in this image.
+          It provides a more detailed view of the platform-specific image manifests
+          or other image-attached data like build attestations.
+
+          WARNING: This is experimental and may change at any time without any backward
+          compatibility.
+        type: "array"
+        x-nullable: false
+        x-omitempty: true
+        items:
+          $ref: "#/definitions/ImageManifestSummary"
 
   AuthConfig:
     type: "object"
@@ -5318,7 +5331,7 @@ definitions:
         description: |
           The default (and highest) API version that is supported by the daemon
         type: "string"
-        example: "1.46"
+        example: "1.47"
       MinAPIVersion:
         description: |
           The minimum API version that is supported by the daemon
@@ -5334,7 +5347,7 @@ definitions:
           The version Go used to compile the daemon, and the version of the Go
           runtime in use.
         type: "string"
-        example: "go1.21.12"
+        example: "go1.21.13"
       Os:
         description: |
           The operating system that the daemon is running on ("linux" or "windows")
@@ -5830,13 +5843,13 @@ definitions:
           - "/var/run/cdi"
       Containerd:
         $ref: "#/definitions/ContainerdInfo"
-        x-nullable: true
 
   ContainerdInfo:
     description: |
       Information for connecting to the containerd instance that is used by the daemon.
       This is included for debugging purposes only.
     type: "object"
+    x-nullable: true
     properties:
       Address:
         description: "The address of the containerd socket."
@@ -6644,6 +6657,120 @@ definitions:
     additionalProperties:
       type: "string"
 
+  ImageManifestSummary:
+    x-go-name: "ManifestSummary"
+    description: |
+      ImageManifestSummary represents a summary of an image manifest.
+    type: "object"
+    required: ["ID", "Descriptor", "Available", "Size", "Kind"]
+    properties:
+      ID:
+        description: |
+          ID is the content-addressable ID of an image and is the same as the
+          digest of the image manifest.
+        type: "string"
+        example: "sha256:95869fbcf224d947ace8d61d0e931d49e31bb7fc67fffbbe9c3198c33aa8e93f"
+      Descriptor:
+        $ref: "#/definitions/OCIDescriptor"
+      Available:
+        description: Indicates whether all the child content (image config, layers) is fully available locally.
+        type: "boolean"
+        example: true
+      Size:
+        type: "object"
+        x-nullable: false
+        required: ["Content", "Total"]
+        properties:
+          Total:
+            type: "integer"
+            format: "int64"
+            example: 8213251
+            description: |
+              Total is the total size (in bytes) of all the locally present
+              data (both distributable and non-distributable) that's related to
+              this manifest and its children.
+              This equal to the sum of [Content] size AND all the sizes in the
+              [Size] struct present in the Kind-specific data struct.
+              For example, for an image kind (Kind == "image")
+              this would include the size of the image content and unpacked
+              image snapshots ([Size.Content] + [ImageData.Size.Unpacked]).
+          Content:
+            description: |
+              Content is the size (in bytes) of all the locally present
+              content in the content store (e.g. image config, layers)
+              referenced by this manifest and its children.
+              This only includes blobs in the content store.
+            type: "integer"
+            format: "int64"
+            example: 3987495
+      Kind:
+        type: "string"
+        example: "image"
+        enum:
+          - "image"
+          - "attestation"
+          - "unknown"
+        description: |
+          The kind of the manifest.
+
+          kind         | description
+          -------------|-----------------------------------------------------------
+          image        | Image manifest that can be used to start a container.
+          attestation  | Attestation manifest produced by the Buildkit builder for a specific image manifest.
+      ImageData:
+        description: |
+          The image data for the image manifest.
+          This field is only populated when Kind is "image".
+        type: "object"
+        x-nullable: true
+        x-omitempty: true
+        required: ["Platform", "Containers", "Size", "UnpackedSize"]
+        properties:
+          Platform:
+            $ref: "#/definitions/OCIPlatform"
+            description: |
+              OCI platform of the image. This will be the platform specified in the
+              manifest descriptor from the index/manifest list.
+              If it's not available, it will be obtained from the image config.
+          Containers:
+            description: |
+              The IDs of the containers that are using this image.
+            type: "array"
+            items:
+              type: "string"
+            example: ["ede54ee1fda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c7430", "abadbce344c096744d8d6071a90d474d28af8f1034b5ea9fb03c3f4bfc6d005e"]
+          Size:
+            type: "object"
+            x-nullable: false
+            required: ["Unpacked"]
+            properties:
+              Unpacked:
+                type: "integer"
+                format: "int64"
+                example: 3987495
+                description: |
+                  Unpacked is the size (in bytes) of the locally unpacked
+                  (uncompressed) image content that's directly usable by the containers
+                  running this image.
+                  It's independent of the distributable content - e.g.
+                  the image might still have an unpacked data that's still used by
+                  some container even when the distributable/compressed content is
+                  already gone.
+      AttestationData:
+        description: |
+          The image data for the attestation manifest.
+          This field is only populated when Kind is "attestation".
+        type: "object"
+        x-nullable: true
+        x-omitempty: true
+        required: ["For"]
+        properties:
+          For:
+            description: |
+              The digest of the image manifest that this attestation is for.
+            type: "string"
+            example: "sha256:95869fbcf224d947ace8d61d0e931d49e31bb7fc67fffbbe9c3198c33aa8e93f"
+
 paths:
   /containers/json:
     get:
@@ -8622,6 +8749,11 @@ paths:
           description: "Show digest information as a `RepoDigests` field on each image."
           type: "boolean"
           default: false
+        - name: "manifests"
+          in: "query"
+          description: "Include `Manifests` in the image summary."
+          type: "boolean"
+          default: false
       tags: ["Image"]
   /build:
     post:

vendor/github.com/docker/docker/api/types/image/manifest.go

@@ -0,0 +1,99 @@
+package image
+
+import (
+	"github.com/opencontainers/go-digest"
+	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
+)
+
+type ManifestKind string
+
+const (
+	ManifestKindImage       ManifestKind = "image"
+	ManifestKindAttestation ManifestKind = "attestation"
+	ManifestKindUnknown     ManifestKind = "unknown"
+)
+
+type ManifestSummary struct {
+	// ID is the content-addressable ID of an image and is the same as the
+	// digest of the image manifest.
+	//
+	// Required: true
+	ID string `json:"ID"`
+
+	// Descriptor is the OCI descriptor of the image.
+	//
+	// Required: true
+	Descriptor ocispec.Descriptor `json:"Descriptor"`
+
+	// Indicates whether all the child content (image config, layers) is
+	// fully available locally
+	//
+	// Required: true
+	Available bool `json:"Available"`
+
+	// Size is the size information of the content related to this manifest.
+	// Note: These sizes only take the locally available content into account.
+	//
+	// Required: true
+	Size struct {
+		// Content is the size (in bytes) of all the locally present
+		// content in the content store (e.g. image config, layers)
+		// referenced by this manifest and its children.
+		// This only includes blobs in the content store.
+		Content int64 `json:"Content"`
+
+		// Total is the total size (in bytes) of all the locally present
+		// data (both distributable and non-distributable) that's related to
+		// this manifest and its children.
+		// This equal to the sum of [Content] size AND all the sizes in the
+		// [Size] struct present in the Kind-specific data struct.
+		// For example, for an image kind (Kind == ManifestKindImage),
+		// this would include the size of the image content and unpacked
+		// image snapshots ([Size.Content] + [ImageData.Size.Unpacked]).
+		Total int64 `json:"Total"`
+	} `json:"Size"`
+
+	// Kind is the kind of the image manifest.
+	//
+	// Required: true
+	Kind ManifestKind `json:"Kind"`
+
+	// Fields below are specific to the kind of the image manifest.
+
+	// Present only if Kind == ManifestKindImage.
+	ImageData *ImageProperties `json:"ImageData,omitempty"`
+
+	// Present only if Kind == ManifestKindAttestation.
+	AttestationData *AttestationProperties `json:"AttestationData,omitempty"`
+}
+
+type ImageProperties struct {
+	// Platform is the OCI platform object describing the platform of the image.
+	//
+	// Required: true
+	Platform ocispec.Platform `json:"Platform"`
+
+	Size struct {
+		// Unpacked is the size (in bytes) of the locally unpacked
+		// (uncompressed) image content that's directly usable by the containers
+		// running this image.
+		// It's independent of the distributable content - e.g.
+		// the image might still have an unpacked data that's still used by
+		// some container even when the distributable/compressed content is
+		// already gone.
+		//
+		// Required: true
+		Unpacked int64 `json:"Unpacked"`
+	}
+
+	// Containers is an array containing the IDs of the containers that are
+	// using this image.
+	//
+	// Required: true
+	Containers []string `json:"Containers"`
+}
+
+type AttestationProperties struct {
+	// For is the digest of the image manifest that this attestation is for.
+	For digest.Digest `json:"For"`
+}

vendor/github.com/docker/docker/api/types/image/opts.go

@@ -76,6 +76,9 @@ type ListOptions struct {
 
 	// ContainerCount indicates whether container count should be computed.
 	ContainerCount bool
+
+	// Manifests indicates whether the image manifests should be returned.
+	Manifests bool
 }
 
 // RemoveOptions holds parameters to remove images.

vendor/github.com/docker/docker/api/types/image/summary.go

@@ -1,10 +1,5 @@
 package image
 
-// This file was generated by the swagger tool.
-// Editing this file might prove futile when you re-run the swagger generate command
-
-// Summary summary
-// swagger:model Summary
 type Summary struct {
 
 	// Number of containers using this image. Includes both stopped and running
@@ -47,6 +42,14 @@ type Summary struct {
 	// Required: true
 	ParentID string `json:"ParentId"`
 
+	// Manifests is a list of image manifests available in this image.  It
+	// provides a more detailed view of the platform-specific image manifests or
+	// other image-attached data like build attestations.
+	//
+	// WARNING: This is experimental and may change at any time without any backward
+	// compatibility.
+	Manifests []ManifestSummary `json:"Manifests,omitempty"`
+
 	// List of content-addressable digests of locally available image manifests
 	// that the image is referenced from. Multiple manifests can refer to the
 	// same image.

vendor/github.com/docker/docker/api/types/registry/authconfig.go

@@ -34,10 +34,9 @@ type AuthConfig struct {
 }
 
 // EncodeAuthConfig serializes the auth configuration as a base64url encoded
-// RFC4648, section 5) JSON string for sending through the X-Registry-Auth header.
+// ([RFC4648, section 5]) JSON string for sending through the X-Registry-Auth header.
 //
-// For details on base64url encoding, see:
-// - RFC4648, section 5:   https://tools.ietf.org/html/rfc4648#section-5
+// [RFC4648, section 5]: https://tools.ietf.org/html/rfc4648#section-5
 func EncodeAuthConfig(authConfig AuthConfig) (string, error) {
 	buf, err := json.Marshal(authConfig)
 	if err != nil {
@@ -46,15 +45,14 @@ func EncodeAuthConfig(authConfig AuthConfig) (string, error) {
 	return base64.URLEncoding.EncodeToString(buf), nil
 }
 
-// DecodeAuthConfig decodes base64url encoded (RFC4648, section 5) JSON
+// DecodeAuthConfig decodes base64url encoded ([RFC4648, section 5]) JSON
 // authentication information as sent through the X-Registry-Auth header.
 //
-// This function always returns an AuthConfig, even if an error occurs. It is up
+// This function always returns an [AuthConfig], even if an error occurs. It is up
 // to the caller to decide if authentication is required, and if the error can
 // be ignored.
 //
-// For details on base64url encoding, see:
-// - RFC4648, section 5:   https://tools.ietf.org/html/rfc4648#section-5
+// [RFC4648, section 5]: https://tools.ietf.org/html/rfc4648#section-5
 func DecodeAuthConfig(authEncoded string) (*AuthConfig, error) {
 	if authEncoded == "" {
 		return &AuthConfig{}, nil
@@ -69,7 +67,7 @@ func DecodeAuthConfig(authEncoded string) (*AuthConfig, error) {
 // clients and API versions. Current clients and API versions expect authentication
 // to be provided through the X-Registry-Auth header.
 //
-// Like DecodeAuthConfig, this function always returns an AuthConfig, even if an
+// Like [DecodeAuthConfig], this function always returns an [AuthConfig], even if an
 // error occurs. It is up to the caller to decide if authentication is required,
 // and if the error can be ignored.
 func DecodeAuthConfigBody(rdr io.ReadCloser) (*AuthConfig, error) {

vendor/github.com/docker/docker/client/image_list.go

@@ -11,6 +11,11 @@ import (
 )
 
 // ImageList returns a list of images in the docker host.
+//
+// Experimental: Setting the [options.Manifest] will populate
+// [image.Summary.Manifests] with information about image manifests.
+// This is experimental and might change in the future without any backward
+// compatibility.
 func (cli *Client) ImageList(ctx context.Context, options image.ListOptions) ([]image.Summary, error) {
 	var images []image.Summary
 
@@ -47,6 +52,9 @@ func (cli *Client) ImageList(ctx context.Context, options image.ListOptions) ([]
 	if options.SharedSize && versions.GreaterThanOrEqualTo(cli.version, "1.42") {
 		query.Set("shared-size", "1")
 	}
+	if options.Manifests && versions.GreaterThanOrEqualTo(cli.version, "1.47") {
+		query.Set("manifests", "1")
+	}
 
 	serverResp, err := cli.get(ctx, "/images/json", query, nil)
 	defer ensureReaderClosed(serverResp)

vendor/github.com/klauspost/compress/.goreleaser.yml

@@ -3,7 +3,6 @@
 before:
   hooks:
     - ./gen.sh
-    - go install mvdan.cc/garble@v0.10.1
 
 builds:
   -
@@ -32,7 +31,6 @@ builds:
       - mips64le
     goarm:
       - 7
-    gobinary: garble
   -
     id: "s2d"
     binary: s2d
@@ -59,7 +57,6 @@ builds:
       - mips64le
     goarm:
       - 7
-    gobinary: garble
   -
     id: "s2sx"
     binary: s2sx
@@ -87,7 +84,6 @@ builds:
       - mips64le
     goarm:
       - 7
-    gobinary: garble
 
 archives:
   -

vendor/github.com/klauspost/compress/README.md

@@ -16,6 +16,50 @@ This package provides various compression algorithms.
 
 # changelog
 
+* Feb 5th, 2024 - [1.17.6](https://github.com/klauspost/compress/releases/tag/v1.17.6)
+	* zstd: Fix incorrect repeat coding in best mode https://github.com/klauspost/compress/pull/923
+	* s2: Fix DecodeConcurrent deadlock on errors https://github.com/klauspost/compress/pull/925
+  
+* Jan 26th, 2024 - [v1.17.5](https://github.com/klauspost/compress/releases/tag/v1.17.5)
+	* flate: Fix reset with dictionary on custom window encodes https://github.com/klauspost/compress/pull/912
+	* zstd: Add Frame header encoding and stripping https://github.com/klauspost/compress/pull/908
+	* zstd: Limit better/best default window to 8MB https://github.com/klauspost/compress/pull/913
+	* zstd: Speed improvements by @greatroar in https://github.com/klauspost/compress/pull/896 https://github.com/klauspost/compress/pull/910
+	* s2: Fix callbacks for skippable blocks and disallow 0xfe (Padding) by @Jille in https://github.com/klauspost/compress/pull/916 https://github.com/klauspost/compress/pull/917
+https://github.com/klauspost/compress/pull/919 https://github.com/klauspost/compress/pull/918
+
+* Dec 1st, 2023 - [v1.17.4](https://github.com/klauspost/compress/releases/tag/v1.17.4)
+	* huff0: Speed up symbol counting by @greatroar in https://github.com/klauspost/compress/pull/887
+	* huff0: Remove byteReader by @greatroar in https://github.com/klauspost/compress/pull/886
+	* gzhttp: Allow overriding decompression on transport https://github.com/klauspost/compress/pull/892
+	* gzhttp: Clamp compression level https://github.com/klauspost/compress/pull/890
+	* gzip: Error out if reserved bits are set https://github.com/klauspost/compress/pull/891
+
+* Nov 15th, 2023 - [v1.17.3](https://github.com/klauspost/compress/releases/tag/v1.17.3)
+	* fse: Fix max header size https://github.com/klauspost/compress/pull/881
+	* zstd: Improve better/best compression https://github.com/klauspost/compress/pull/877
+	* gzhttp: Fix missing content type on Close https://github.com/klauspost/compress/pull/883
+
+* Oct 22nd, 2023 - [v1.17.2](https://github.com/klauspost/compress/releases/tag/v1.17.2)
+	* zstd: Fix rare *CORRUPTION* output in "best" mode. See https://github.com/klauspost/compress/pull/876
+
+* Oct 14th, 2023 - [v1.17.1](https://github.com/klauspost/compress/releases/tag/v1.17.1)
+	* s2: Fix S2 "best" dictionary wrong encoding by @klauspost in https://github.com/klauspost/compress/pull/871
+	* flate: Reduce allocations in decompressor and minor code improvements by @fakefloordiv in https://github.com/klauspost/compress/pull/869
+	* s2: Fix EstimateBlockSize on 6&7 length input by @klauspost in https://github.com/klauspost/compress/pull/867
+
+* Sept 19th, 2023 - [v1.17.0](https://github.com/klauspost/compress/releases/tag/v1.17.0)
+	* Add experimental dictionary builder  https://github.com/klauspost/compress/pull/853
+	* Add xerial snappy read/writer https://github.com/klauspost/compress/pull/838
+	* flate: Add limited window compression https://github.com/klauspost/compress/pull/843
+	* s2: Do 2 overlapping match checks https://github.com/klauspost/compress/pull/839
+	* flate: Add amd64 assembly matchlen https://github.com/klauspost/compress/pull/837
+	* gzip: Copy bufio.Reader on Reset by @thatguystone in https://github.com/klauspost/compress/pull/860
+
+<details>
+	<summary>See changes to v1.16.x</summary>
+
+   
 * July 1st, 2023 - [v1.16.7](https://github.com/klauspost/compress/releases/tag/v1.16.7)
 	* zstd: Fix default level first dictionary encode https://github.com/klauspost/compress/pull/829
 	* s2: add GetBufferCapacity() method by @GiedriusS in https://github.com/klauspost/compress/pull/832
@@ -53,6 +97,7 @@ This package provides various compression algorithms.
 	* s2: Add LZ4 block converter. https://github.com/klauspost/compress/pull/748
 	* s2: Support io.ReaderAt in ReadSeeker. https://github.com/klauspost/compress/pull/747
 	* s2c/s2sx: Use concurrent decoding. https://github.com/klauspost/compress/pull/746
+</details>
 
 <details>
 	<summary>See changes to v1.15.x</summary>
@@ -520,6 +565,8 @@ the stateless compress described below.
 
 For compression performance, see: [this spreadsheet](https://docs.google.com/spreadsheets/d/1nuNE2nPfuINCZJRMt6wFWhKpToF95I47XjSsc-1rbPQ/edit?usp=sharing).
 
+To disable all assembly add `-tags=noasm`. This works across all packages.
+
 # Stateless compression
 
 This package offers stateless compression as a special option for gzip/deflate. 
@@ -538,7 +585,7 @@ For direct deflate use, NewStatelessWriter and StatelessDeflate are available. S
 
 A `bufio.Writer` can of course be used to control write sizes. For example, to use a 4KB buffer:
 
-```
+```go
 	// replace 'ioutil.Discard' with your output.
 	gzw, err := gzip.NewWriterLevel(ioutil.Discard, gzip.StatelessCompression)
 	if err != nil {
@@ -646,6 +693,7 @@ Here are other packages of good quality and pure Go (no cgo wrappers or autoconv
 * [github.com/ronanh/intcomp](https://github.com/ronanh/intcomp) - Integer compression.
 * [github.com/spenczar/fpc](https://github.com/spenczar/fpc) - Float compression.
 * [github.com/minio/zipindex](https://github.com/minio/zipindex) - External ZIP directory index.
+* [github.com/ybirader/pzip](https://github.com/ybirader/pzip) - Fast concurrent zip archiver and extractor.
 
 # license
 

vendor/github.com/klauspost/compress/fse/compress.go

@@ -212,7 +212,7 @@ func (s *Scratch) writeCount() error {
 		previous0 bool
 		charnum   uint16
 
-		maxHeaderSize = ((int(s.symbolLen) * int(tableLog)) >> 3) + 3
+		maxHeaderSize = ((int(s.symbolLen)*int(tableLog) + 4 + 2) >> 3) + 3
 
 		// Write Table Size
 		bitStream = uint32(tableLog - minTablelog)

vendor/github.com/klauspost/compress/huff0/bytereader.go

@@ -1,44 +0,0 @@
-// Copyright 2018 Klaus Post. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-// Based on work Copyright (c) 2013, Yann Collet, released under BSD License.
-
-package huff0
-
-// byteReader provides a byte reader that reads
-// little endian values from a byte stream.
-// The input stream is manually advanced.
-// The reader performs no bounds checks.
-type byteReader struct {
-	b   []byte
-	off int
-}
-
-// init will initialize the reader and set the input.
-func (b *byteReader) init(in []byte) {
-	b.b = in
-	b.off = 0
-}
-
-// Int32 returns a little endian int32 starting at current offset.
-func (b byteReader) Int32() int32 {
-	v3 := int32(b.b[b.off+3])
-	v2 := int32(b.b[b.off+2])
-	v1 := int32(b.b[b.off+1])
-	v0 := int32(b.b[b.off])
-	return (v3 << 24) | (v2 << 16) | (v1 << 8) | v0
-}
-
-// Uint32 returns a little endian uint32 starting at current offset.
-func (b byteReader) Uint32() uint32 {
-	v3 := uint32(b.b[b.off+3])
-	v2 := uint32(b.b[b.off+2])
-	v1 := uint32(b.b[b.off+1])
-	v0 := uint32(b.b[b.off])
-	return (v3 << 24) | (v2 << 16) | (v1 << 8) | v0
-}
-
-// remain will return the number of bytes remaining.
-func (b byteReader) remain() int {
-	return len(b.b) - b.off
-}

vendor/github.com/klauspost/compress/huff0/compress.go

@@ -350,6 +350,7 @@ func (s *Scratch) compress4Xp(src []byte) ([]byte, error) {
 // Does not update s.clearCount.
 func (s *Scratch) countSimple(in []byte) (max int, reuse bool) {
 	reuse = true
+	_ = s.count // Assert that s != nil to speed up the following loop.
 	for _, v := range in {
 		s.count[v]++
 	}
@@ -415,7 +416,7 @@ func (s *Scratch) validateTable(c cTable) bool {
 
 // minTableLog provides the minimum logSize to safely represent a distribution.
 func (s *Scratch) minTableLog() uint8 {
-	minBitsSrc := highBit32(uint32(s.br.remain())) + 1
+	minBitsSrc := highBit32(uint32(s.srcLen)) + 1
 	minBitsSymbols := highBit32(uint32(s.symbolLen-1)) + 2
 	if minBitsSrc < minBitsSymbols {
 		return uint8(minBitsSrc)
@@ -427,7 +428,7 @@ func (s *Scratch) minTableLog() uint8 {
 func (s *Scratch) optimalTableLog() {
 	tableLog := s.TableLog
 	minBits := s.minTableLog()
-	maxBitsSrc := uint8(highBit32(uint32(s.br.remain()-1))) - 1
+	maxBitsSrc := uint8(highBit32(uint32(s.srcLen-1))) - 1
 	if maxBitsSrc < tableLog {
 		// Accuracy can be reduced
 		tableLog = maxBitsSrc

vendor/github.com/klauspost/compress/huff0/huff0.go

@@ -88,7 +88,7 @@ type Scratch struct {
 	// Decoders will return ErrMaxDecodedSizeExceeded is this limit is exceeded.
 	MaxDecodedSize int
 
-	br byteReader
+	srcLen int
 
 	// MaxSymbolValue will override the maximum symbol value of the next block.
 	MaxSymbolValue uint8
@@ -170,7 +170,7 @@ func (s *Scratch) prepare(in []byte) (*Scratch, error) {
 	if s.fse == nil {
 		s.fse = &fse.Scratch{}
 	}
-	s.br.init(in)
+	s.srcLen = len(in)
 
 	return s, nil
 }

vendor/github.com/klauspost/compress/internal/snapref/encode_other.go

@@ -51,7 +51,7 @@ func emitCopy(dst []byte, offset, length int) int {
 	i := 0
 	// The maximum length for a single tagCopy1 or tagCopy2 op is 64 bytes. The
 	// threshold for this loop is a little higher (at 68 = 64 + 4), and the
-	// length emitted down below is is a little lower (at 60 = 64 - 4), because
+	// length emitted down below is a little lower (at 60 = 64 - 4), because
 	// it's shorter to encode a length 67 copy as a length 60 tagCopy2 followed
 	// by a length 7 tagCopy1 (which encodes as 3+2 bytes) than to encode it as
 	// a length 64 tagCopy2 followed by a length 3 tagCopy2 (which encodes as

vendor/github.com/klauspost/compress/s2sx.mod

@@ -1,4 +1,4 @@
 module github.com/klauspost/compress
 
-go 1.16
+go 1.19
 

vendor/github.com/klauspost/compress/zstd/README.md

@@ -259,7 +259,7 @@ nyc-taxi-data-10M.csv   gzkp    1   3325605752  922273214   13929   227.68
 
 ## Decompressor
 
-Staus: STABLE - there may still be subtle bugs, but a wide variety of content has been tested.
+Status: STABLE - there may still be subtle bugs, but a wide variety of content has been tested.
 
 This library is being continuously [fuzz-tested](https://github.com/klauspost/compress-fuzz),
 kindly supplied by [fuzzit.dev](https://fuzzit.dev/). 

vendor/github.com/klauspost/compress/zstd/blockdec.go

@@ -554,6 +554,9 @@ func (b *blockDec) prepareSequences(in []byte, hist *history) (err error) {
 		if debugDecoder {
 			printf("Compression modes: 0b%b", compMode)
 		}
+		if compMode&3 != 0 {
+			return errors.New("corrupt block: reserved bits not zero")
+		}
 		for i := uint(0); i < 3; i++ {
 			mode := seqCompMode((compMode >> (6 - i*2)) & 3)
 			if debugDecoder {

vendor/github.com/klauspost/compress/zstd/blockenc.go

@@ -427,6 +427,16 @@ func (b *blockEnc) encodeLits(lits []byte, raw bool) error {
 	return nil
 }
 
+// encodeRLE will encode an RLE block.
+func (b *blockEnc) encodeRLE(val byte, length uint32) {
+	var bh blockHeader
+	bh.setLast(b.last)
+	bh.setSize(length)
+	bh.setType(blockTypeRLE)
+	b.output = bh.appendTo(b.output)
+	b.output = append(b.output, val)
+}
+
 // fuzzFseEncoder can be used to fuzz the FSE encoder.
 func fuzzFseEncoder(data []byte) int {
 	if len(data) > maxSequences || len(data) < 2 {
@@ -479,6 +489,16 @@ func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error {
 	if len(b.sequences) == 0 {
 		return b.encodeLits(b.literals, rawAllLits)
 	}
+	if len(b.sequences) == 1 && len(org) > 0 && len(b.literals) <= 1 {
+		// Check common RLE cases.
+		seq := b.sequences[0]
+		if seq.litLen == uint32(len(b.literals)) && seq.offset-3 == 1 {
+			// Offset == 1 and 0 or 1 literals.
+			b.encodeRLE(org[0], b.sequences[0].matchLen+zstdMinMatch+seq.litLen)
+			return nil
+		}
+	}
+
 	// We want some difference to at least account for the headers.
 	saved := b.size - len(b.literals) - (b.size >> 6)
 	if saved < 16 {

vendor/github.com/klauspost/compress/zstd/decodeheader.go

@@ -95,42 +95,54 @@ type Header struct {
 // If there isn't enough input, io.ErrUnexpectedEOF is returned.
 // The FirstBlock.OK will indicate if enough information was available to decode the first block header.
 func (h *Header) Decode(in []byte) error {
+	_, err := h.DecodeAndStrip(in)
+	return err
+}
+
+// DecodeAndStrip will decode the header from the beginning of the stream
+// and on success return the remaining bytes.
+// This will decode the frame header and the first block header if enough bytes are provided.
+// It is recommended to provide at least HeaderMaxSize bytes.
+// If the frame header cannot be read an error will be returned.
+// If there isn't enough input, io.ErrUnexpectedEOF is returned.
+// The FirstBlock.OK will indicate if enough information was available to decode the first block header.
+func (h *Header) DecodeAndStrip(in []byte) (remain []byte, err error) {
 	*h = Header{}
 	if len(in) < 4 {
-		return io.ErrUnexpectedEOF
+		return nil, io.ErrUnexpectedEOF
 	}
 	h.HeaderSize += 4
 	b, in := in[:4], in[4:]
 	if string(b) != frameMagic {
 		if string(b[1:4]) != skippableFrameMagic || b[0]&0xf0 != 0x50 {
-			return ErrMagicMismatch
+			return nil, ErrMagicMismatch
 		}
 		if len(in) < 4 {
-			return io.ErrUnexpectedEOF
+			return nil, io.ErrUnexpectedEOF
 		}
 		h.HeaderSize += 4
 		h.Skippable = true
 		h.SkippableID = int(b[0] & 0xf)
 		h.SkippableSize = binary.LittleEndian.Uint32(in)
-		return nil
+		return in[4:], nil
 	}
 
 	// Read Window_Descriptor
 	// https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#window_descriptor
 	if len(in) < 1 {
-		return io.ErrUnexpectedEOF
+		return nil, io.ErrUnexpectedEOF
 	}
 	fhd, in := in[0], in[1:]
 	h.HeaderSize++
 	h.SingleSegment = fhd&(1<<5) != 0
 	h.HasCheckSum = fhd&(1<<2) != 0
 	if fhd&(1<<3) != 0 {
-		return errors.New("reserved bit set on frame header")
+		return nil, errors.New("reserved bit set on frame header")
 	}
 
 	if !h.SingleSegment {
 		if len(in) < 1 {
-			return io.ErrUnexpectedEOF
+			return nil, io.ErrUnexpectedEOF
 		}
 		var wd byte
 		wd, in = in[0], in[1:]
@@ -148,7 +160,7 @@ func (h *Header) Decode(in []byte) error {
 			size = 4
 		}
 		if len(in) < int(size) {
-			return io.ErrUnexpectedEOF
+			return nil, io.ErrUnexpectedEOF
 		}
 		b, in = in[:size], in[size:]
 		h.HeaderSize += int(size)
@@ -178,7 +190,7 @@ func (h *Header) Decode(in []byte) error {
 	if fcsSize > 0 {
 		h.HasFCS = true
 		if len(in) < fcsSize {
-			return io.ErrUnexpectedEOF
+			return nil, io.ErrUnexpectedEOF
 		}
 		b, in = in[:fcsSize], in[fcsSize:]
 		h.HeaderSize += int(fcsSize)
@@ -199,7 +211,7 @@ func (h *Header) Decode(in []byte) error {
 
 	// Frame Header done, we will not fail from now on.
 	if len(in) < 3 {
-		return nil
+		return in, nil
 	}
 	tmp := in[:3]
 	bh := uint32(tmp[0]) | (uint32(tmp[1]) << 8) | (uint32(tmp[2]) << 16)
@@ -209,7 +221,7 @@ func (h *Header) Decode(in []byte) error {
 	cSize := int(bh >> 3)
 	switch blockType {
 	case blockTypeReserved:
-		return nil
+		return in, nil
 	case blockTypeRLE:
 		h.FirstBlock.Compressed = true
 		h.FirstBlock.DecompressedSize = cSize
@@ -225,5 +237,25 @@ func (h *Header) Decode(in []byte) error {
 	}
 
 	h.FirstBlock.OK = true
-	return nil
+	return in, nil
+}
+
+// AppendTo will append the encoded header to the dst slice.
+// There is no error checking performed on the header values.
+func (h *Header) AppendTo(dst []byte) ([]byte, error) {
+	if h.Skippable {
+		magic := [4]byte{0x50, 0x2a, 0x4d, 0x18}
+		magic[0] |= byte(h.SkippableID & 0xf)
+		dst = append(dst, magic[:]...)
+		f := h.SkippableSize
+		return append(dst, uint8(f), uint8(f>>8), uint8(f>>16), uint8(f>>24)), nil
+	}
+	f := frameHeader{
+		ContentSize:   h.FrameContentSize,
+		WindowSize:    uint32(h.WindowSize),
+		SingleSegment: h.SingleSegment,
+		Checksum:      h.HasCheckSum,
+		DictID:        h.DictionaryID,
+	}
+	return f.appendTo(dst), nil
 }

vendor/github.com/klauspost/compress/zstd/decoder.go

@@ -82,7 +82,7 @@ var (
 // can run multiple concurrent stateless decodes. It is even possible to
 // use stateless decodes while a stream is being decoded.
 //
-// The Reset function can be used to initiate a new stream, which is will considerably
+// The Reset function can be used to initiate a new stream, which will considerably
 // reduce the allocations normally caused by NewReader.
 func NewReader(r io.Reader, opts ...DOption) (*Decoder, error) {
 	initPredefined()

vendor/github.com/klauspost/compress/zstd/dict.go

@@ -273,6 +273,9 @@ func BuildDict(o BuildDictOptions) ([]byte, error) {
 		enc.Encode(&block, b)
 		addValues(&remain, block.literals)
 		litTotal += len(block.literals)
+		if len(block.sequences) == 0 {
+			continue
+		}
 		seqs += len(block.sequences)
 		block.genCodes()
 		addHist(&ll, block.coders.llEnc.Histogram())
@@ -286,6 +289,9 @@ func BuildDict(o BuildDictOptions) ([]byte, error) {
 			if offset == 0 {
 				continue
 			}
+			if int(offset) >= len(o.History) {
+				continue
+			}
 			if offset > 3 {
 				newOffsets[offset-3]++
 			} else {
@@ -336,6 +342,9 @@ func BuildDict(o BuildDictOptions) ([]byte, error) {
 	if seqs/nUsed < 512 {
 		// Use 512 as minimum.
 		nUsed = seqs / 512
+		if nUsed == 0 {
+			nUsed = 1
+		}
 	}
 	copyHist := func(dst *fseEncoder, src *[256]int) ([]byte, error) {
 		hist := dst.Histogram()
@@ -358,6 +367,28 @@ func BuildDict(o BuildDictOptions) ([]byte, error) {
 			fakeLength += v
 			hist[i] = uint32(v)
 		}
+
+		// Ensure we aren't trying to represent RLE.
+		if maxCount == fakeLength {
+			for i := range hist {
+				if uint8(i) == maxSym {
+					fakeLength++
+					maxSym++
+					hist[i+1] = 1
+					if maxSym > 1 {
+						break
+					}
+				}
+				if hist[0] == 0 {
+					fakeLength++
+					hist[i] = 1
+					if maxSym > 1 {
+						break
+					}
+				}
+			}
+		}
+
 		dst.HistogramFinished(maxSym, maxCount)
 		dst.reUsed = false
 		dst.useRLE = false

vendor/github.com/klauspost/compress/zstd/enc_best.go

@@ -43,7 +43,7 @@ func (m *match) estBits(bitsPerByte int32) {
 	if m.rep < 0 {
 		ofc = ofCode(uint32(m.s-m.offset) + 3)
 	} else {
-		ofc = ofCode(uint32(m.rep))
+		ofc = ofCode(uint32(m.rep) & 3)
 	}
 	// Cost, excluding
 	ofTT, mlTT := fsePredefEnc[tableOffsets].ct.symbolTT[ofc], fsePredefEnc[tableMatchLengths].ct.symbolTT[mlc]
@@ -135,8 +135,20 @@ func (e *bestFastEncoder) Encode(blk *blockEnc, src []byte) {
 		break
 	}
 
+	// Add block to history
 	s := e.addBlock(src)
 	blk.size = len(src)
+
+	// Check RLE first
+	if len(src) > zstdMinMatch {
+		ml := matchLen(src[1:], src)
+		if ml == len(src)-1 {
+			blk.literals = append(blk.literals, src[0])
+			blk.sequences = append(blk.sequences, seq{litLen: 1, matchLen: uint32(len(src)-1) - zstdMinMatch, offset: 1 + 3})
+			return
+		}
+	}
+
 	if len(src) < minNonLiteralBlockSize {
 		blk.extraLits = len(src)
 		blk.literals = blk.literals[:len(src)]
@@ -197,17 +209,10 @@ encodeLoop:
 
 		// Set m to a match at offset if it looks like that will improve compression.
 		improve := func(m *match, offset int32, s int32, first uint32, rep int32) {
-			if s-offset >= e.maxMatchOff || load3232(src, offset) != first {
+			delta := s - offset
+			if delta >= e.maxMatchOff || delta <= 0 || load3232(src, offset) != first {
 				return
 			}
-			if debugAsserts {
-				if offset <= 0 {
-					panic(offset)
-				}
-				if !bytes.Equal(src[s:s+4], src[offset:offset+4]) {
-					panic(fmt.Sprintf("first match mismatch: %v != %v, first: %08x", src[s:s+4], src[offset:offset+4], first))
-				}
-			}
 			// Try to quick reject if we already have a long match.
 			if m.length > 16 {
 				left := len(src) - int(m.s+m.length)
@@ -226,8 +231,10 @@ encodeLoop:
 				}
 			}
 			l := 4 + e.matchlen(s+4, offset+4, src)
-			if rep < 0 {
+			if m.rep <= 0 {
 				// Extend candidate match backwards as far as possible.
+				// Do not extend repeats as we can assume they are optimal
+				// and offsets change if s == nextEmit.
 				tMin := s - e.maxMatchOff
 				if tMin < 0 {
 					tMin = 0
@@ -238,7 +245,14 @@ encodeLoop:
 					l++
 				}
 			}
-
+			if debugAsserts {
+				if offset >= s {
+					panic(fmt.Sprintf("offset: %d - s:%d - rep: %d - cur :%d - max: %d", offset, s, rep, e.cur, e.maxMatchOff))
+				}
+				if !bytes.Equal(src[s:s+l], src[offset:offset+l]) {
+					panic(fmt.Sprintf("second match mismatch: %v != %v, first: %08x", src[s:s+4], src[offset:offset+4], first))
+				}
+			}
 			cand := match{offset: offset, s: s, length: l, rep: rep}
 			cand.estBits(bitsPerByte)
 			if m.est >= highScore || cand.est-m.est+(cand.s-m.s)*bitsPerByte>>10 < 0 {
@@ -281,6 +295,7 @@ encodeLoop:
 		// Load next and check...
 		e.longTable[nextHashL] = prevEntry{offset: s + e.cur, prev: candidateL.offset}
 		e.table[nextHashS] = prevEntry{offset: s + e.cur, prev: candidateS.offset}
+		index0 := s + 1
 
 		// Look far ahead, unless we have a really long match already...
 		if best.length < goodEnough {
@@ -334,41 +349,45 @@ encodeLoop:
 		}
 
 		if debugAsserts {
+			if best.offset >= best.s {
+				panic(fmt.Sprintf("best.offset > s: %d >= %d", best.offset, best.s))
+			}
+			if best.s < nextEmit {
+				panic(fmt.Sprintf("s %d < nextEmit %d", best.s, nextEmit))
+			}
+			if best.offset < s-e.maxMatchOff {
+				panic(fmt.Sprintf("best.offset < s-e.maxMatchOff: %d < %d", best.offset, s-e.maxMatchOff))
+			}
 			if !bytes.Equal(src[best.s:best.s+best.length], src[best.offset:best.offset+best.length]) {
 				panic(fmt.Sprintf("match mismatch: %v != %v", src[best.s:best.s+best.length], src[best.offset:best.offset+best.length]))
 			}
 		}
 
 		// We have a match, we can store the forward value
+		s = best.s
 		if best.rep > 0 {
 			var seq seq
 			seq.matchLen = uint32(best.length - zstdMinMatch)
-			if debugAsserts && s <= nextEmit {
-				panic("s <= nextEmit")
-			}
 			addLiterals(&seq, best.s)
 
 			// Repeat. If bit 4 is set, this is a non-lit repeat.
 			seq.offset = uint32(best.rep & 3)
 			if debugSequences {
-				println("repeat sequence", seq, "next s:", s)
+				println("repeat sequence", seq, "next s:", best.s, "off:", best.s-best.offset)
 			}
 			blk.sequences = append(blk.sequences, seq)
 
 			// Index old s + 1 -> s - 1
-			index0 := s + 1
 			s = best.s + best.length
-
 			nextEmit = s
-			if s >= sLimit {
-				if debugEncoder {
-					println("repeat ended", s, best.length)
-				}
-				break encodeLoop
-			}
+
 			// Index skipped...
+			end := s
+			if s > sLimit+4 {
+				end = sLimit + 4
+			}
 			off := index0 + e.cur
-			for index0 < s {
+			for index0 < end {
 				cv0 := load6432(src, index0)
 				h0 := hashLen(cv0, bestLongTableBits, bestLongLen)
 				h1 := hashLen(cv0, bestShortTableBits, bestShortLen)
@@ -377,6 +396,7 @@ encodeLoop:
 				off++
 				index0++
 			}
+
 			switch best.rep {
 			case 2, 4 | 1:
 				offset1, offset2 = offset2, offset1
@@ -385,13 +405,17 @@ encodeLoop:
 			case 4 | 3:
 				offset1, offset2, offset3 = offset1-1, offset1, offset2
 			}
+			if s >= sLimit {
+				if debugEncoder {
+					println("repeat ended", s, best.length)
+				}
+				break encodeLoop
+			}
 			continue
 		}
 
 		// A 4-byte match has been found. Update recent offsets.
 		// We'll later see if more than 4 bytes.
-		index0 := s + 1
-		s = best.s
 		t := best.offset
 		offset1, offset2, offset3 = s-t, offset1, offset2
 
@@ -418,19 +442,25 @@ encodeLoop:
 		}
 		blk.sequences = append(blk.sequences, seq)
 		nextEmit = s
-		if s >= sLimit {
-			break encodeLoop
+
+		// Index old s + 1 -> s - 1 or sLimit
+		end := s
+		if s > sLimit-4 {
+			end = sLimit - 4
 		}
 
-		// Index old s + 1 -> s - 1
-		for index0 < s {
+		off := index0 + e.cur
+		for index0 < end {
 			cv0 := load6432(src, index0)
 			h0 := hashLen(cv0, bestLongTableBits, bestLongLen)
 			h1 := hashLen(cv0, bestShortTableBits, bestShortLen)
-			off := index0 + e.cur
 			e.longTable[h0] = prevEntry{offset: off, prev: e.longTable[h0].offset}
 			e.table[h1] = prevEntry{offset: off, prev: e.table[h1].offset}
 			index0++
+			off++
+		}
+		if s >= sLimit {
+			break encodeLoop
 		}
 	}
 

vendor/github.com/klauspost/compress/zstd/enc_better.go

@@ -102,9 +102,20 @@ func (e *betterFastEncoder) Encode(blk *blockEnc, src []byte) {
 		e.cur = e.maxMatchOff
 		break
 	}
-
+	// Add block to history
 	s := e.addBlock(src)
 	blk.size = len(src)
+
+	// Check RLE first
+	if len(src) > zstdMinMatch {
+		ml := matchLen(src[1:], src)
+		if ml == len(src)-1 {
+			blk.literals = append(blk.literals, src[0])
+			blk.sequences = append(blk.sequences, seq{litLen: 1, matchLen: uint32(len(src)-1) - zstdMinMatch, offset: 1 + 3})
+			return
+		}
+	}
+
 	if len(src) < minNonLiteralBlockSize {
 		blk.extraLits = len(src)
 		blk.literals = blk.literals[:len(src)]
@@ -145,7 +156,7 @@ encodeLoop:
 		var t int32
 		// We allow the encoder to optionally turn off repeat offsets across blocks
 		canRepeat := len(blk.sequences) > 2
-		var matched int32
+		var matched, index0 int32
 
 		for {
 			if debugAsserts && canRepeat && offset1 == 0 {
@@ -162,6 +173,7 @@ encodeLoop:
 			off := s + e.cur
 			e.longTable[nextHashL] = prevEntry{offset: off, prev: candidateL.offset}
 			e.table[nextHashS] = tableEntry{offset: off, val: uint32(cv)}
+			index0 = s + 1
 
 			if canRepeat {
 				if repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>(repOff*8)) {
@@ -258,7 +270,6 @@ encodeLoop:
 					}
 					blk.sequences = append(blk.sequences, seq)
 
-					index0 := s + repOff2
 					s += lenght + repOff2
 					nextEmit = s
 					if s >= sLimit {
@@ -498,15 +509,15 @@ encodeLoop:
 		}
 
 		// Index match start+1 (long) -> s - 1
-		index0 := s - l + 1
+		off := index0 + e.cur
 		for index0 < s-1 {
 			cv0 := load6432(src, index0)
 			cv1 := cv0 >> 8
 			h0 := hashLen(cv0, betterLongTableBits, betterLongLen)
-			off := index0 + e.cur
 			e.longTable[h0] = prevEntry{offset: off, prev: e.longTable[h0].offset}
 			e.table[hashLen(cv1, betterShortTableBits, betterShortLen)] = tableEntry{offset: off + 1, val: uint32(cv1)}
 			index0 += 2
+			off += 2
 		}
 
 		cv = load6432(src, s)
@@ -672,7 +683,7 @@ encodeLoop:
 		var t int32
 		// We allow the encoder to optionally turn off repeat offsets across blocks
 		canRepeat := len(blk.sequences) > 2
-		var matched int32
+		var matched, index0 int32
 
 		for {
 			if debugAsserts && canRepeat && offset1 == 0 {
@@ -691,6 +702,7 @@ encodeLoop:
 			e.markLongShardDirty(nextHashL)
 			e.table[nextHashS] = tableEntry{offset: off, val: uint32(cv)}
 			e.markShortShardDirty(nextHashS)
+			index0 = s + 1
 
 			if canRepeat {
 				if repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>(repOff*8)) {
@@ -726,7 +738,6 @@ encodeLoop:
 					blk.sequences = append(blk.sequences, seq)
 
 					// Index match start+1 (long) -> s - 1
-					index0 := s + repOff
 					s += lenght + repOff
 
 					nextEmit = s
@@ -790,7 +801,6 @@ encodeLoop:
 					}
 					blk.sequences = append(blk.sequences, seq)
 
-					index0 := s + repOff2
 					s += lenght + repOff2
 					nextEmit = s
 					if s >= sLimit {
@@ -1024,18 +1034,18 @@ encodeLoop:
 		}
 
 		// Index match start+1 (long) -> s - 1
-		index0 := s - l + 1
+		off := index0 + e.cur
 		for index0 < s-1 {
 			cv0 := load6432(src, index0)
 			cv1 := cv0 >> 8
 			h0 := hashLen(cv0, betterLongTableBits, betterLongLen)
-			off := index0 + e.cur
 			e.longTable[h0] = prevEntry{offset: off, prev: e.longTable[h0].offset}
 			e.markLongShardDirty(h0)
 			h1 := hashLen(cv1, betterShortTableBits, betterShortLen)
 			e.table[h1] = tableEntry{offset: off + 1, val: uint32(cv1)}
 			e.markShortShardDirty(h1)
 			index0 += 2
+			off += 2
 		}
 
 		cv = load6432(src, s)

vendor/github.com/klauspost/compress/zstd/encoder_options.go

@@ -94,7 +94,7 @@ func WithEncoderConcurrency(n int) EOption {
 // The value must be a power of two between MinWindowSize and MaxWindowSize.
 // A larger value will enable better compression but allocate more memory and,
 // for above-default values, take considerably longer.
-// The default value is determined by the compression level.
+// The default value is determined by the compression level and max 8MB.
 func WithWindowSize(n int) EOption {
 	return func(o *encoderOptions) error {
 		switch {
@@ -232,9 +232,9 @@ func WithEncoderLevel(l EncoderLevel) EOption {
 			case SpeedDefault:
 				o.windowSize = 8 << 20
 			case SpeedBetterCompression:
-				o.windowSize = 16 << 20
+				o.windowSize = 8 << 20
 			case SpeedBestCompression:
-				o.windowSize = 32 << 20
+				o.windowSize = 8 << 20
 			}
 		}
 		if !o.customALEntropy {

vendor/github.com/klauspost/compress/zstd/frameenc.go

@@ -76,7 +76,7 @@ func (f frameHeader) appendTo(dst []byte) []byte {
 		if f.SingleSegment {
 			dst = append(dst, uint8(f.ContentSize))
 		}
-		// Unless SingleSegment is set, framessizes < 256 are nto stored.
+		// Unless SingleSegment is set, framessizes < 256 are not stored.
 	case 1:
 		f.ContentSize -= 256
 		dst = append(dst, uint8(f.ContentSize), uint8(f.ContentSize>>8))

vendor/github.com/klauspost/compress/zstd/fse_decoder_generic.go

@@ -20,10 +20,9 @@ func (s *fseDecoder) buildDtable() error {
 			if v == -1 {
 				s.dt[highThreshold].setAddBits(uint8(i))
 				highThreshold--
-				symbolNext[i] = 1
-			} else {
-				symbolNext[i] = uint16(v)
+				v = 1
 			}
+			symbolNext[i] = uint16(v)
 		}
 	}
 
@@ -35,10 +34,12 @@ func (s *fseDecoder) buildDtable() error {
 		for ss, v := range s.norm[:s.symbolLen] {
 			for i := 0; i < int(v); i++ {
 				s.dt[position].setAddBits(uint8(ss))
-				position = (position + step) & tableMask
-				for position > highThreshold {
+				for {
 					// lowprob area
 					position = (position + step) & tableMask
+					if position <= highThreshold {
+						break
+					}
 				}
 			}
 		}

vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_arm64.s

@@ -162,12 +162,12 @@ finalize:
 	MOVD h, ret+24(FP)
 	RET
 
-// func writeBlocks(d *Digest, b []byte) int
+// func writeBlocks(s *Digest, b []byte) int
 TEXT ·writeBlocks(SB), NOSPLIT|NOFRAME, $0-40
 	LDP ·primes+0(SB), (prime1, prime2)
 
 	// Load state. Assume v[1-4] are stored contiguously.
-	MOVD d+0(FP), digest
+	MOVD s+0(FP), digest
 	LDP  0(digest), (v1, v2)
 	LDP  16(digest), (v3, v4)
 

vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s

@@ -5,7 +5,6 @@
 #include "textflag.h"
 
 // func matchLen(a []byte, b []byte) int
-// Requires: BMI
 TEXT ·matchLen(SB), NOSPLIT, $0-56
 	MOVQ a_base+0(FP), AX
 	MOVQ b_base+24(FP), CX
@@ -17,17 +16,16 @@ TEXT ·matchLen(SB), NOSPLIT, $0-56
 	JB   matchlen_match4_standalone
 
 matchlen_loopback_standalone:
-	MOVQ  (AX)(SI*1), BX
-	XORQ  (CX)(SI*1), BX
-	TESTQ BX, BX
-	JZ    matchlen_loop_standalone
+	MOVQ (AX)(SI*1), BX
+	XORQ (CX)(SI*1), BX
+	JZ   matchlen_loop_standalone
 
 #ifdef GOAMD64_v3
 	TZCNTQ BX, BX
 #else
 	BSFQ BX, BX
 #endif
-	SARQ $0x03, BX
+	SHRL $0x03, BX
 	LEAL (SI)(BX*1), SI
 	JMP  gen_match_len_end
 

vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s

@@ -157,8 +157,7 @@ sequenceDecs_decode_amd64_ll_update_zero:
 
 	// Update Literal Length State
 	MOVBQZX DI, R14
-	SHRQ    $0x10, DI
-	MOVWQZX DI, DI
+	SHRL    $0x10, DI
 	LEAQ    (BX)(R14*1), CX
 	MOVQ    DX, R15
 	MOVQ    CX, BX
@@ -177,8 +176,7 @@ sequenceDecs_decode_amd64_ll_update_zero:
 
 	// Update Match Length State
 	MOVBQZX R8, R14
-	SHRQ    $0x10, R8
-	MOVWQZX R8, R8
+	SHRL    $0x10, R8
 	LEAQ    (BX)(R14*1), CX
 	MOVQ    DX, R15
 	MOVQ    CX, BX
@@ -197,8 +195,7 @@ sequenceDecs_decode_amd64_ll_update_zero:
 
 	// Update Offset State
 	MOVBQZX R9, R14
-	SHRQ    $0x10, R9
-	MOVWQZX R9, R9
+	SHRL    $0x10, R9
 	LEAQ    (BX)(R14*1), CX
 	MOVQ    DX, R15
 	MOVQ    CX, BX
@@ -459,8 +456,7 @@ sequenceDecs_decode_56_amd64_ll_update_zero:
 
 	// Update Literal Length State
 	MOVBQZX DI, R14
-	SHRQ    $0x10, DI
-	MOVWQZX DI, DI
+	SHRL    $0x10, DI
 	LEAQ    (BX)(R14*1), CX
 	MOVQ    DX, R15
 	MOVQ    CX, BX
@@ -479,8 +475,7 @@ sequenceDecs_decode_56_amd64_ll_update_zero:
 
 	// Update Match Length State
 	MOVBQZX R8, R14
-	SHRQ    $0x10, R8
-	MOVWQZX R8, R8
+	SHRL    $0x10, R8
 	LEAQ    (BX)(R14*1), CX
 	MOVQ    DX, R15
 	MOVQ    CX, BX
@@ -499,8 +494,7 @@ sequenceDecs_decode_56_amd64_ll_update_zero:
 
 	// Update Offset State
 	MOVBQZX R9, R14
-	SHRQ    $0x10, R9
-	MOVWQZX R9, R9
+	SHRL    $0x10, R9
 	LEAQ    (BX)(R14*1), CX
 	MOVQ    DX, R15
 	MOVQ    CX, BX
@@ -772,11 +766,10 @@ sequenceDecs_decode_bmi2_fill_2_end:
 	BZHIQ   R14, R15, R15
 
 	// Update Offset State
-	BZHIQ  R8, R15, CX
-	SHRXQ  R8, R15, R15
-	MOVQ   $0x00001010, R14
-	BEXTRQ R14, R8, R8
-	ADDQ   CX, R8
+	BZHIQ R8, R15, CX
+	SHRXQ R8, R15, R15
+	SHRL  $0x10, R8
+	ADDQ  CX, R8
 
 	// Load ctx.ofTable
 	MOVQ ctx+16(FP), CX
@@ -784,11 +777,10 @@ sequenceDecs_decode_bmi2_fill_2_end:
 	MOVQ (CX)(R8*8), R8
 
 	// Update Match Length State
-	BZHIQ  DI, R15, CX
-	SHRXQ  DI, R15, R15
-	MOVQ   $0x00001010, R14
-	BEXTRQ R14, DI, DI
-	ADDQ   CX, DI
+	BZHIQ DI, R15, CX
+	SHRXQ DI, R15, R15
+	SHRL  $0x10, DI
+	ADDQ  CX, DI
 
 	// Load ctx.mlTable
 	MOVQ ctx+16(FP), CX
@@ -796,10 +788,9 @@ sequenceDecs_decode_bmi2_fill_2_end:
 	MOVQ (CX)(DI*8), DI
 
 	// Update Literal Length State
-	BZHIQ  SI, R15, CX
-	MOVQ   $0x00001010, R14
-	BEXTRQ R14, SI, SI
-	ADDQ   CX, SI
+	BZHIQ SI, R15, CX
+	SHRL  $0x10, SI
+	ADDQ  CX, SI
 
 	// Load ctx.llTable
 	MOVQ ctx+16(FP), CX
@@ -1032,11 +1023,10 @@ sequenceDecs_decode_56_bmi2_fill_end:
 	BZHIQ   R14, R15, R15
 
 	// Update Offset State
-	BZHIQ  R8, R15, CX
-	SHRXQ  R8, R15, R15
-	MOVQ   $0x00001010, R14
-	BEXTRQ R14, R8, R8
-	ADDQ   CX, R8
+	BZHIQ R8, R15, CX
+	SHRXQ R8, R15, R15
+	SHRL  $0x10, R8
+	ADDQ  CX, R8
 
 	// Load ctx.ofTable
 	MOVQ ctx+16(FP), CX
@@ -1044,11 +1034,10 @@ sequenceDecs_decode_56_bmi2_fill_end:
 	MOVQ (CX)(R8*8), R8
 
 	// Update Match Length State
-	BZHIQ  DI, R15, CX
-	SHRXQ  DI, R15, R15
-	MOVQ   $0x00001010, R14
-	BEXTRQ R14, DI, DI
-	ADDQ   CX, DI
+	BZHIQ DI, R15, CX
+	SHRXQ DI, R15, R15
+	SHRL  $0x10, DI
+	ADDQ  CX, DI
 
 	// Load ctx.mlTable
 	MOVQ ctx+16(FP), CX
@@ -1056,10 +1045,9 @@ sequenceDecs_decode_56_bmi2_fill_end:
 	MOVQ (CX)(DI*8), DI
 
 	// Update Literal Length State
-	BZHIQ  SI, R15, CX
-	MOVQ   $0x00001010, R14
-	BEXTRQ R14, SI, SI
-	ADDQ   CX, SI
+	BZHIQ SI, R15, CX
+	SHRL  $0x10, SI
+	ADDQ  CX, SI
 
 	// Load ctx.llTable
 	MOVQ ctx+16(FP), CX
@@ -1967,8 +1955,7 @@ sequenceDecs_decodeSync_amd64_ll_update_zero:
 
 	// Update Literal Length State
 	MOVBQZX DI, R13
-	SHRQ    $0x10, DI
-	MOVWQZX DI, DI
+	SHRL    $0x10, DI
 	LEAQ    (BX)(R13*1), CX
 	MOVQ    DX, R14
 	MOVQ    CX, BX
@@ -1987,8 +1974,7 @@ sequenceDecs_decodeSync_amd64_ll_update_zero:
 
 	// Update Match Length State
 	MOVBQZX R8, R13
-	SHRQ    $0x10, R8
-	MOVWQZX R8, R8
+	SHRL    $0x10, R8
 	LEAQ    (BX)(R13*1), CX
 	MOVQ    DX, R14
 	MOVQ    CX, BX
@@ -2007,8 +1993,7 @@ sequenceDecs_decodeSync_amd64_ll_update_zero:
 
 	// Update Offset State
 	MOVBQZX R9, R13
-	SHRQ    $0x10, R9
-	MOVWQZX R9, R9
+	SHRL    $0x10, R9
 	LEAQ    (BX)(R13*1), CX
 	MOVQ    DX, R14
 	MOVQ    CX, BX
@@ -2514,11 +2499,10 @@ sequenceDecs_decodeSync_bmi2_fill_2_end:
 	BZHIQ   R13, R14, R14
 
 	// Update Offset State
-	BZHIQ  R8, R14, CX
-	SHRXQ  R8, R14, R14
-	MOVQ   $0x00001010, R13
-	BEXTRQ R13, R8, R8
-	ADDQ   CX, R8
+	BZHIQ R8, R14, CX
+	SHRXQ R8, R14, R14
+	SHRL  $0x10, R8
+	ADDQ  CX, R8
 
 	// Load ctx.ofTable
 	MOVQ ctx+16(FP), CX
@@ -2526,11 +2510,10 @@ sequenceDecs_decodeSync_bmi2_fill_2_end:
 	MOVQ (CX)(R8*8), R8
 
 	// Update Match Length State
-	BZHIQ  DI, R14, CX
-	SHRXQ  DI, R14, R14
-	MOVQ   $0x00001010, R13
-	BEXTRQ R13, DI, DI
-	ADDQ   CX, DI
+	BZHIQ DI, R14, CX
+	SHRXQ DI, R14, R14
+	SHRL  $0x10, DI
+	ADDQ  CX, DI
 
 	// Load ctx.mlTable
 	MOVQ ctx+16(FP), CX
@@ -2538,10 +2521,9 @@ sequenceDecs_decodeSync_bmi2_fill_2_end:
 	MOVQ (CX)(DI*8), DI
 
 	// Update Literal Length State
-	BZHIQ  SI, R14, CX
-	MOVQ   $0x00001010, R13
-	BEXTRQ R13, SI, SI
-	ADDQ   CX, SI
+	BZHIQ SI, R14, CX
+	SHRL  $0x10, SI
+	ADDQ  CX, SI
 
 	// Load ctx.llTable
 	MOVQ ctx+16(FP), CX
@@ -3055,8 +3037,7 @@ sequenceDecs_decodeSync_safe_amd64_ll_update_zero:
 
 	// Update Literal Length State
 	MOVBQZX DI, R13
-	SHRQ    $0x10, DI
-	MOVWQZX DI, DI
+	SHRL    $0x10, DI
 	LEAQ    (BX)(R13*1), CX
 	MOVQ    DX, R14
 	MOVQ    CX, BX
@@ -3075,8 +3056,7 @@ sequenceDecs_decodeSync_safe_amd64_ll_update_zero:
 
 	// Update Match Length State
 	MOVBQZX R8, R13
-	SHRQ    $0x10, R8
-	MOVWQZX R8, R8
+	SHRL    $0x10, R8
 	LEAQ    (BX)(R13*1), CX
 	MOVQ    DX, R14
 	MOVQ    CX, BX
@@ -3095,8 +3075,7 @@ sequenceDecs_decodeSync_safe_amd64_ll_update_zero:
 
 	// Update Offset State
 	MOVBQZX R9, R13
-	SHRQ    $0x10, R9
-	MOVWQZX R9, R9
+	SHRL    $0x10, R9
 	LEAQ    (BX)(R13*1), CX
 	MOVQ    DX, R14
 	MOVQ    CX, BX
@@ -3704,11 +3683,10 @@ sequenceDecs_decodeSync_safe_bmi2_fill_2_end:
 	BZHIQ   R13, R14, R14
 
 	// Update Offset State
-	BZHIQ  R8, R14, CX
-	SHRXQ  R8, R14, R14
-	MOVQ   $0x00001010, R13
-	BEXTRQ R13, R8, R8
-	ADDQ   CX, R8
+	BZHIQ R8, R14, CX
+	SHRXQ R8, R14, R14
+	SHRL  $0x10, R8
+	ADDQ  CX, R8
 
 	// Load ctx.ofTable
 	MOVQ ctx+16(FP), CX
@@ -3716,11 +3694,10 @@ sequenceDecs_decodeSync_safe_bmi2_fill_2_end:
 	MOVQ (CX)(R8*8), R8
 
 	// Update Match Length State
-	BZHIQ  DI, R14, CX
-	SHRXQ  DI, R14, R14
-	MOVQ   $0x00001010, R13
-	BEXTRQ R13, DI, DI
-	ADDQ   CX, DI
+	BZHIQ DI, R14, CX
+	SHRXQ DI, R14, R14
+	SHRL  $0x10, DI
+	ADDQ  CX, DI
 
 	// Load ctx.mlTable
 	MOVQ ctx+16(FP), CX
@@ -3728,10 +3705,9 @@ sequenceDecs_decodeSync_safe_bmi2_fill_2_end:
 	MOVQ (CX)(DI*8), DI
 
 	// Update Literal Length State
-	BZHIQ  SI, R14, CX
-	MOVQ   $0x00001010, R13
-	BEXTRQ R13, SI, SI
-	ADDQ   CX, SI
+	BZHIQ SI, R14, CX
+	SHRL  $0x10, SI
+	ADDQ  CX, SI
 
 	// Load ctx.llTable
 	MOVQ ctx+16(FP), CX

vendor/github.com/moby/sys/userns/LICENSE

@@ -0,0 +1,202 @@
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vendor/github.com/moby/sys/userns/userns.go

@@ -0,0 +1,16 @@
+// Package userns provides utilities to detect whether we are currently running
+// in a Linux user namespace.
+//
+// This code was migrated from [libcontainer/runc], which based its implementation
+// on code from [lcx/incus].
+//
+// [libcontainer/runc]: https://github.com/opencontainers/runc/blob/3778ae603c706494fd1e2c2faf83b406e38d687d/libcontainer/userns/userns_linux.go#L12-L49
+// [lcx/incus]: https://github.com/lxc/incus/blob/e45085dd42f826b3c8c3228e9733c0b6f998eafe/shared/util.go#L678-L700
+package userns
+
+// RunningInUserNS detects whether we are currently running in a Linux
+// user namespace and memoizes the result. It returns false on non-Linux
+// platforms.
+func RunningInUserNS() bool {
+	return inUserNS()
+}