ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Jun 13 16:03:14 2020 +0200| [75e2ac4f0752649a0b9486e6825ef68341ee974d] | committer: Michael Niedermayer
avcodec/mv30: check mode_size vs. input space Fixes: Timeout (longer than my patience vs 1sec) Fixes: 22984/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5630021988515840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=75e2ac4f0752649a0b9486e6825ef68341ee974d --- libavcodec/mv30.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/mv30.c b/libavcodec/mv30.c index 013a5753fe..76b9170eaf 100644 --- a/libavcodec/mv30.c +++ b/libavcodec/mv30.c @@ -410,6 +410,9 @@ static int decode_intra(AVCodecContext *avctx, GetBitContext *gb, AVFrame *frame int ret; mgb = *gb; + if (get_bits_left(gb) < s->mode_size * 8) + return AVERROR_INVALIDDATA; + skip_bits_long(gb, s->mode_size * 8); linesize[0] = frame->linesize[0]; _______________________________________________ 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".
