diff options
Diffstat (limited to 'vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go')
| -rw-r--r-- | vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go index 847b322ae..7598c1018 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go +++ b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go @@ -55,16 +55,22 @@ func (s *sequenceDecs) decodeSyncSimple(hist []byte) (bool, error) { if s.maxSyncLen == 0 && cap(s.out)-len(s.out) < maxCompressedBlockSize { return false, nil } - useSafe := false - if s.maxSyncLen == 0 && cap(s.out)-len(s.out) < maxCompressedBlockSizeAlloc { - useSafe = true - } - if s.maxSyncLen > 0 && cap(s.out)-len(s.out)-compressedBlockOverAlloc < int(s.maxSyncLen) { - useSafe = true - } - if cap(s.literals) < len(s.literals)+compressedBlockOverAlloc { - useSafe = true - } + + // FIXME: Using unsafe memory copies leads to rare, random crashes + // with fuzz testing. It is therefore disabled for now. + const useSafe = true + /* + useSafe := false + if s.maxSyncLen == 0 && cap(s.out)-len(s.out) < maxCompressedBlockSizeAlloc { + useSafe = true + } + if s.maxSyncLen > 0 && cap(s.out)-len(s.out)-compressedBlockOverAlloc < int(s.maxSyncLen) { + useSafe = true + } + if cap(s.literals) < len(s.literals)+compressedBlockOverAlloc { + useSafe = true + } + */ br := s.br |