ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Fri Dec 15 02:18:04 2023 +0100| [d909d8e5e0fbce42ecb10ee6e73def1f1e42ece4] | committer: Michael Niedermayer
avcodec/leaddec: Check remaining bits in decode_block() Fixes: Timeout Fixes: 64163/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LEAD_fuzzer-6418925835124736 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=d909d8e5e0fbce42ecb10ee6e73def1f1e42ece4 --- libavcodec/leaddec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/leaddec.c b/libavcodec/leaddec.c index ede52fba5a..4e97479b03 100644 --- a/libavcodec/leaddec.c +++ b/libavcodec/leaddec.c @@ -104,6 +104,9 @@ static int decode_block(LeadContext * s, GetBitContext * gb, s->bdsp.clear_block(block); + if (get_bits_left(gb) <= 0) + return AVERROR_INVALIDDATA; + size = get_vlc2(gb, dc_table, dc_bits, 1); if (size < 0) return AVERROR_INVALIDDATA; _______________________________________________ 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".
