ffmpeg | branch: release/4.0 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Nov 4 19:02:55 2018 +0100| [86ba4473fa3095b8eb07900d64845bd24302f84a] | committer: Michael Niedermayer
avcodec/mpeg4videodec: Clear partitioned frame in decode_studio_vop_header() partitioned_frame is also set/cleared in decode_vop_header() Fixes: out of array read Fixes: 9789/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5638681627983872 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 074187d599a2ece2bdf77bd08b4b797c5800eda6) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=86ba4473fa3095b8eb07900d64845bd24302f84a --- libavcodec/mpeg4videodec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index 8064f1eb40..1776efa9ae 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -2967,6 +2967,7 @@ static int decode_studio_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb) if (get_bits_left(gb) <= 32) return 0; + s->partitioned_frame = 0; s->decode_mb = mpeg4_decode_studio_mb; decode_smpte_tc(ctx, gb); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
