diff options
Diffstat (limited to 'vendor/github.com/klauspost/compress/zstd/seqdec.go')
| -rw-r--r-- | vendor/github.com/klauspost/compress/zstd/seqdec.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec.go b/vendor/github.com/klauspost/compress/zstd/seqdec.go index 7ff870400..b5c8ef133 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec.go +++ b/vendor/github.com/klauspost/compress/zstd/seqdec.go @@ -196,6 +196,10 @@ func (s *sequenceDecs) decode(seqs int, br *bitReader, hist []byte) error { s.literals = s.literals[ll:] out := s.out + if mo == 0 && ml > 0 { + return fmt.Errorf("zero matchoff and matchlen (%d) > 0", ml) + } + if mo > len(s.out)+len(hist) || mo > s.windowSize { if len(s.dict) == 0 { return fmt.Errorf("match offset (%d) bigger than current history (%d)", mo, len(s.out)+len(hist)) @@ -218,10 +222,6 @@ func (s *sequenceDecs) decode(seqs int, br *bitReader, hist []byte) error { } } - if mo == 0 && ml > 0 { - return fmt.Errorf("zero matchoff and matchlen (%d) > 0", ml) - } - // Copy from history. // TODO: Blocks without history could be made to ignore this completely. if v := mo - len(s.out); v > 0 { |