ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Dec 19 22:26:00 2021 +0100| [807a564acf39c40faa2282e47fc0457b6e9e9017] | committer: Michael Niedermayer
avcodec/vqavideo: reset accounting on error Fixes: Timeout (same growing chunk is decoded to failure repeatedly) Fixes: 42582/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VQA_fuzzer-6531195591065600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit d8ea7a67ba62f5d4520e75e56b9954d80e7ff223) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=807a564acf39c40faa2282e47fc0457b6e9e9017 --- libavcodec/vqavideo.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c index b9743abda9..8df3ab3c2b 100644 --- a/libavcodec/vqavideo.c +++ b/libavcodec/vqavideo.c @@ -588,13 +588,14 @@ static int vqa_decode_chunk(VqaContext *s, AVFrame *frame) if (s->partial_countdown <= 0) { bytestream2_init(&s->gb, s->next_codebook_buffer, s->next_codebook_buffer_index); /* decompress codebook */ - if ((res = decode_format80(s, s->next_codebook_buffer_index, - s->codebook, s->codebook_size, 0)) < 0) - return res; + res = decode_format80(s, s->next_codebook_buffer_index, + s->codebook, s->codebook_size, 0); /* reset accounting */ s->next_codebook_buffer_index = 0; s->partial_countdown = s->partial_count; + if (res < 0) + return res; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
