Fixes: Timeout
Fixes: 3142/clusterfuzz-testcase-5007853163118592
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/snowdec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/snowdec.c b/libavcodec/snowdec.c
index 77ffe7f594..99b5a86394 100644
--- a/libavcodec/snowdec.c
+++ b/libavcodec/snowdec.c
@@ -439,6 +439,8 @@ static int decode_blocks(SnowContext *s){
for(y=0; y<h; y++){
for(x=0; x<w; x++){
+ if (s->c.bytestream >= s->c.bytestream_end)
+ return AVERROR_INVALIDDATA;
if ((res = decode_q_branch(s, 0, x, y)) < 0)
return res;
}
--
2.15.0
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