vendor: update c/common to latest

Includes some netns cleanup fixes.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

vendor/github.com/containers/image/v5/internal/blobinfocache/blobinfocache.go

@@ -27,7 +27,14 @@ func (bic *v1OnlyBlobInfoCache) Open() {
 func (bic *v1OnlyBlobInfoCache) Close() {
 }
 
-func (bic *v1OnlyBlobInfoCache) RecordDigestCompressorName(anyDigest digest.Digest, compressorName string) {
+func (bic *v1OnlyBlobInfoCache) UncompressedDigestForTOC(tocDigest digest.Digest) digest.Digest {
+	return ""
+}
+
+func (bic *v1OnlyBlobInfoCache) RecordTOCUncompressedPair(tocDigest digest.Digest, uncompressed digest.Digest) {
+}
+
+func (bic *v1OnlyBlobInfoCache) RecordDigestCompressorData(anyDigest digest.Digest, data DigestCompressorData) {
 }
 
 func (bic *v1OnlyBlobInfoCache) CandidateLocations2(transport types.ImageTransport, scope types.BICTransportScope, digest digest.Digest, options CandidateLocations2Options) []BICReplacementCandidate2 {

vendor/github.com/containers/image/v5/internal/blobinfocache/types.go

@@ -26,19 +26,34 @@ type BlobInfoCache2 interface {
 	// Close destroys state created by Open().
 	Close()
 
-	// RecordDigestCompressorName records a compressor for the blob with the specified digest,
-	// or Uncompressed or UnknownCompression.
-	// WARNING: Only call this with LOCALLY VERIFIED data; don’t record a compressor for a
-	// digest just because some remote author claims so (e.g. because a manifest says so);
+	// UncompressedDigestForTOC returns an uncompressed digest corresponding to anyDigest.
+	// Returns "" if the uncompressed digest is unknown.
+	UncompressedDigestForTOC(tocDigest digest.Digest) digest.Digest
+	// RecordTOCUncompressedPair records that the tocDigest corresponds to uncompressed.
+	// WARNING: Only call this for LOCALLY VERIFIED data; don’t record a digest pair just because some remote author claims so (e.g.
+	// because a manifest/config pair exists); otherwise the cache could be poisoned and allow substituting unexpected blobs.
+	// (Eventually, the DiffIDs in image config could detect the substitution, but that may be too late, and not all image formats contain that data.)
+	RecordTOCUncompressedPair(tocDigest digest.Digest, uncompressed digest.Digest)
+
+	// RecordDigestCompressorData records data for the blob with the specified digest.
+	// WARNING: Only call this with LOCALLY VERIFIED data:
+	//   - don’t record a compressor for a digest just because some remote author claims so
+	//     (e.g. because a manifest says so);
 	// otherwise the cache could be poisoned and cause us to make incorrect edits to type
 	// information in a manifest.
-	RecordDigestCompressorName(anyDigest digest.Digest, compressorName string)
+	RecordDigestCompressorData(anyDigest digest.Digest, data DigestCompressorData)
 	// CandidateLocations2 returns a prioritized, limited, number of blobs and their locations (if known)
 	// that could possibly be reused within the specified (transport scope) (if they still
 	// exist, which is not guaranteed).
 	CandidateLocations2(transport types.ImageTransport, scope types.BICTransportScope, digest digest.Digest, options CandidateLocations2Options) []BICReplacementCandidate2
 }
 
+// DigestCompressorData is information known about how a blob is compressed.
+// (This is worded generically, but basically targeted at the zstd / zstd:chunked situation.)
+type DigestCompressorData struct {
+	BaseVariantCompressor string // A compressor’s base variant name, or Uncompressed or UnknownCompression.
+}
+
 // CandidateLocations2Options are used in CandidateLocations2.
 type CandidateLocations2Options struct {
 	// If !CanSubstitute, the returned candidates will match the submitted digest exactly; if