| Message ID | 20210725140155.9115-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 5e00eab61112c52f27a09fe77d50e6fc508f9c53 |
| Headers | show |
| Series | [FFmpeg-devel,1/2] tools/target_dec_fuzzer: Adjust threshold for VP6F | expand |
| Context | Check | Description |
|---|---|---|
| andriy/configure | warning | Failed to apply patch |
On Sun, Jul 25, 2021 at 04:01:55PM +0200, Michael Niedermayer wrote: > Fixes: Timeout > Fixes: 35401/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WEBP_fuzzer-5714401821851648 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/webp.c | 3 +++ > 1 file changed, 3 insertions(+) will apply [...]
diff --git a/libavcodec/webp.c b/libavcodec/webp.c index 83371ef6fd..3efd4438d9 100644 --- a/libavcodec/webp.c +++ b/libavcodec/webp.c @@ -627,6 +627,9 @@ static int decode_entropy_coded_image(WebPContext *s, enum ImageRole role, while (y < img->frame->height) { int v; + if (get_bits_left(&s->gb) < 0) + return AVERROR_INVALIDDATA; + hg = get_huffman_group(s, img, x, y); v = huff_reader_get_symbol(&hg[HUFF_IDX_GREEN], &s->gb); if (v < NUM_LITERAL_CODES) {
Fixes: Timeout Fixes: 35401/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WEBP_fuzzer-5714401821851648 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/webp.c | 3 +++ 1 file changed, 3 insertions(+)