ffmpeg | branch: release/7.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Dec 1 23:30:55 2024 +0100| [5e02e1ba96efcd052f815e6b5c51433176c7b16c] | committer: Michael Niedermayer
avcodec/vc1dec: Clear block_index in vc1_decode_reset() Fixes: 377965565/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-4504434689769472 Fixes: out of array access 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 251de1791e645f16e80b09d82999d4a5e24b1ad1) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5e02e1ba96efcd052f815e6b5c51433176c7b16c --- libavcodec/vc1dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 5f1a5bd437..2c314e7b55 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -788,6 +788,7 @@ static av_cold void vc1_decode_reset(AVCodecContext *avctx) for (i = 0; i < 4; i++) av_freep(&v->sr_rows[i >> 1][i & 1]); ff_mpv_common_end(&v->s); + memset(v->s.block_index, 0, sizeof(v->s.block_index)); av_freep(&v->mv_type_mb_plane); av_freep(&v->direct_mb_plane); av_freep(&v->forward_mb_plane); _______________________________________________ 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".
