Fix bound check

flanglet · Dec 12, 2021 · 049a658 · 049a658
1 parent 2a28195
commit 049a658
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/transform/LZCodec.go b/transform/LZCodec.go
@@ -294,7 +294,7 @@ func (this *LZXCodec) Forward(src, dst []byte) (uint, uint, error) {
 
  // Find a match
  if binary.LittleEndian.Uint32(src[srcIdx:]) == binary.LittleEndian.Uint32(src[ref:]) {
- maxMatch := srcEnd - srcIdx
+ maxMatch := srcEnd - srcIdx - 4
 
  if maxMatch > _LZX_MAX_MATCH {
  maxMatch = _LZX_MAX_MATCH