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vendor: update buildkit to master@ae9d0f5

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Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2022-11-22 14:39:36 +00:00
parent 6e9b743296
commit 36e663edda
375 changed files with 14834 additions and 13552 deletions
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57
vendor/github.com/klauspost/compress/zstd/framedec.go generated vendored
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@ -106,7 +106,7 @@ func (d *frameDec) reset(br byteBuffer) error {
}
n := uint32(b[0]) | (uint32(b[1]) << 8) | (uint32(b[2]) << 16) | (uint32(b[3]) << 24)
println("Skipping frame with", n, "bytes.")
err = br.skipN(int(n))
err = br.skipN(int64(n))
if err != nil {
if debugDecoder {
println("Reading discarded frame", err)
@ -231,20 +231,27 @@ func (d *frameDec) reset(br byteBuffer) error {
d.crc.Reset()
}
if d.WindowSize > d.o.maxWindowSize {
if debugDecoder {
printf("window size %d > max %d\n", d.WindowSize, d.o.maxWindowSize)
}
return ErrWindowSizeExceeded
}
if d.WindowSize == 0 && d.SingleSegment {
// We may not need window in this case.
d.WindowSize = d.FrameContentSize
if d.WindowSize < MinWindowSize {
d.WindowSize = MinWindowSize
}
if d.WindowSize > d.o.maxDecodedSize {
if debugDecoder {
printf("window size %d > max %d\n", d.WindowSize, d.o.maxWindowSize)
}
return ErrDecoderSizeExceeded
}
}
if d.WindowSize > uint64(d.o.maxWindowSize) {
if debugDecoder {
printf("window size %d > max %d\n", d.WindowSize, d.o.maxWindowSize)
}
return ErrWindowSizeExceeded
}
// The minimum Window_Size is 1 KB.
if d.WindowSize < MinWindowSize {
if debugDecoder {
@ -254,11 +261,16 @@ func (d *frameDec) reset(br byteBuffer) error {
}
d.history.windowSize = int(d.WindowSize)
if !d.o.lowMem || d.history.windowSize < maxBlockSize {
// Alloc 2x window size if not low-mem, or very small window size.
// Alloc 2x window size if not low-mem, or window size below 2MB.
d.history.allocFrameBuffer = d.history.windowSize * 2
} else {
// Alloc with one additional block
d.history.allocFrameBuffer = d.history.windowSize + maxBlockSize
if d.o.lowMem {
// Alloc with 1MB extra.
d.history.allocFrameBuffer = d.history.windowSize + maxBlockSize/2
} else {
// Alloc with 2MB extra.
d.history.allocFrameBuffer = d.history.windowSize + maxBlockSize
}
}
if debugDecoder {
@ -336,7 +348,7 @@ func (d *frameDec) consumeCRC() error {
return nil
}
// runDecoder will create a sync decoder that will decode a block of data.
// runDecoder will run the decoder for the remainder of the frame.
func (d *frameDec) runDecoder(dst []byte, dec *blockDec) ([]byte, error) {
saved := d.history.b
@ -346,12 +358,23 @@ func (d *frameDec) runDecoder(dst []byte, dec *blockDec) ([]byte, error) {
// Store input length, so we only check new data.
crcStart := len(dst)
d.history.decoders.maxSyncLen = 0
if d.o.limitToCap {
d.history.decoders.maxSyncLen = uint64(cap(dst) - len(dst))
}
if d.FrameContentSize != fcsUnknown {
d.history.decoders.maxSyncLen = d.FrameContentSize + uint64(len(dst))
if !d.o.limitToCap || d.FrameContentSize+uint64(len(dst)) < d.history.decoders.maxSyncLen {
d.history.decoders.maxSyncLen = d.FrameContentSize + uint64(len(dst))
}
if d.history.decoders.maxSyncLen > d.o.maxDecodedSize {
if debugDecoder {
println("maxSyncLen:", d.history.decoders.maxSyncLen, "> maxDecodedSize:", d.o.maxDecodedSize)
}
return dst, ErrDecoderSizeExceeded
}
if uint64(cap(dst)) < d.history.decoders.maxSyncLen {
if debugDecoder {
println("maxSyncLen:", d.history.decoders.maxSyncLen)
}
if !d.o.limitToCap && uint64(cap(dst)) < d.history.decoders.maxSyncLen {
// Alloc for output
dst2 := make([]byte, len(dst), d.history.decoders.maxSyncLen+compressedBlockOverAlloc)
copy(dst2, dst)
@ -371,7 +394,13 @@ func (d *frameDec) runDecoder(dst []byte, dec *blockDec) ([]byte, error) {
if err != nil {
break
}
if uint64(len(d.history.b)) > d.o.maxDecodedSize {
if uint64(len(d.history.b)-crcStart) > d.o.maxDecodedSize {
println("runDecoder: maxDecodedSize exceeded", uint64(len(d.history.b)-crcStart), ">", d.o.maxDecodedSize)
err = ErrDecoderSizeExceeded
break
}
if d.o.limitToCap && len(d.history.b) > cap(dst) {
println("runDecoder: cap exceeded", uint64(len(d.history.b)), ">", cap(dst))
err = ErrDecoderSizeExceeded
break
}