ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Aug 20 22:53:32 2018 +0200| [db39404c1581b16a307ca2089346267a98a28b91] | committer: Michael Niedermayer
avcodec/hq_hqa: Check remaining input bits in hqa_decode_mb() Fixes: Timeout Fixes: 9634/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-6267852259590144 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 c9222b972d6cbdaf6571cf7ae0a6513bffa5ff9f) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=db39404c1581b16a307ca2089346267a98a28b91 --- libavcodec/hq_hqa.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/hq_hqa.c b/libavcodec/hq_hqa.c index d18464769d..7ae58e0985 100644 --- a/libavcodec/hq_hqa.c +++ b/libavcodec/hq_hqa.c @@ -180,6 +180,9 @@ static int hqa_decode_mb(HQContext *c, AVFrame *pic, int qgroup, int flag = 0; int i, ret, cbp; + if (get_bits_left(gb) < 1) + return AVERROR_INVALIDDATA; + cbp = get_vlc2(gb, c->hqa_cbp_vlc.table, 5, 1); for (i = 0; i < 12; i++) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
