vendor: update buildkit

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/github.com/containerd/containerd/content/local/content_local_fuzzer.go

@@ -0,0 +1,76 @@
+//go:build gofuzz
+
+/*
+   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 local
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	_ "crypto/sha256"
+	"io"
+	"testing"
+
+	"github.com/opencontainers/go-digest"
+
+	"github.com/containerd/containerd/content"
+)
+
+func FuzzContentStoreWriter(data []byte) int {
+	t := &testing.T{}
+	ctx := context.Background()
+	ctx, _, cs, cleanup := contentStoreEnv(t)
+	defer cleanup()
+
+	cw, err := cs.Writer(ctx, content.WithRef("myref"))
+	if err != nil {
+		return 0
+	}
+	if err := cw.Close(); err != nil {
+		return 0
+	}
+
+	// reopen, so we can test things
+	cw, err = cs.Writer(ctx, content.WithRef("myref"))
+	if err != nil {
+		return 0
+	}
+
+	err = checkCopyFuzz(int64(len(data)), cw, bufio.NewReader(io.NopCloser(bytes.NewReader(data))))
+	if err != nil {
+		return 0
+	}
+	expected := digest.FromBytes(data)
+
+	if err = cw.Commit(ctx, int64(len(data)), expected); err != nil {
+		return 0
+	}
+	return 1
+}
+
+func checkCopyFuzz(size int64, dst io.Writer, src io.Reader) error {
+	nn, err := io.Copy(dst, src)
+	if err != nil {
+		return err
+	}
+
+	if nn != size {
+		return err
+	}
+	return nil
+}

vendor/github.com/containerd/containerd/content/local/readerat.go

@@ -18,6 +18,7 @@ package local
 
 import (
 	"fmt"
+	"io"
 	"os"
 
 	"github.com/containerd/containerd/content"
@@ -65,3 +66,7 @@ func (ra sizeReaderAt) Size() int64 {
 func (ra sizeReaderAt) Close() error {
 	return ra.fp.Close()
 }
+
+func (ra sizeReaderAt) Reader() io.Reader {
+	return io.LimitReader(ra.fp, ra.size)
+}

vendor/github.com/containerd/containerd/content/local/store.go

@@ -34,7 +34,7 @@ import (
 	"github.com/containerd/containerd/log"
 	"github.com/sirupsen/logrus"
 
-	digest "github.com/opencontainers/go-digest"
+	"github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
@@ -262,7 +262,7 @@ func (s *store) Walk(ctx context.Context, fn content.WalkFunc, fs ...string) err
 			return nil
 		}
 
-		dgst := digest.NewDigestFromHex(alg.String(), filepath.Base(path))
+		dgst := digest.NewDigestFromEncoded(alg, filepath.Base(path))
 		if err := dgst.Validate(); err != nil {
 			// log error but don't report
 			log.L.WithError(err).WithField("path", path).Error("invalid digest for blob path")
@@ -505,6 +505,7 @@ func (s *store) resumeStatus(ref string, total int64, digester digest.Digester)
 		return status, fmt.Errorf("provided total differs from status: %v != %v", total, status.Total)
 	}
 
+	//nolint:dupword
 	// TODO(stevvooe): slow slow slow!!, send to goroutine or use resumable hashes
 	fp, err := os.Open(data)
 	if err != nil {
@@ -628,14 +629,14 @@ func (s *store) blobPath(dgst digest.Digest) (string, error) {
 		return "", fmt.Errorf("cannot calculate blob path from invalid digest: %v: %w", err, errdefs.ErrInvalidArgument)
 	}
 
-	return filepath.Join(s.root, "blobs", dgst.Algorithm().String(), dgst.Hex()), nil
+	return filepath.Join(s.root, "blobs", dgst.Algorithm().String(), dgst.Encoded()), nil
 }
 
 func (s *store) ingestRoot(ref string) string {
 	// we take a digest of the ref to keep the ingest paths constant length.
 	// Note that this is not the current or potential digest of incoming content.
 	dgst := digest.FromString(ref)
-	return filepath.Join(s.root, "ingest", dgst.Hex())
+	return filepath.Join(s.root, "ingest", dgst.Encoded())
 }
 
 // ingestPaths are returned. The paths are the following:

vendor/github.com/containerd/containerd/content/local/store_bsd.go

@@ -1,5 +1,4 @@
 //go:build darwin || freebsd || netbsd
-// +build darwin freebsd netbsd
 
 /*
    Copyright The containerd Authors.

vendor/github.com/containerd/containerd/content/local/store_openbsd.go

@@ -1,5 +1,4 @@
 //go:build openbsd
-// +build openbsd
 
 /*
    Copyright The containerd Authors.

vendor/github.com/containerd/containerd/content/local/store_unix.go

@@ -1,5 +1,4 @@
 //go:build linux || solaris
-// +build linux solaris
 
 /*
    Copyright The containerd Authors.

vendor/github.com/containerd/containerd/content/local/test_helper.go

@@ -0,0 +1,38 @@
+/*
+   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 local
+
+import (
+	"context"
+	"testing"
+
+	"github.com/containerd/containerd/content"
+)
+
+func contentStoreEnv(t testing.TB) (context.Context, string, content.Store, func()) {
+	tmpdir := t.TempDir()
+
+	cs, err := NewStore(tmpdir)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	return ctx, tmpdir, cs, func() {
+		cancel()
+	}
+}