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author | Michael Niedermayer <michael@niedermayer.cc> | 2019-02-15 01:57:09 +0100 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-02-16 19:56:57 +0100 |
commit | 1f686d023b95219db933394a7704ad9aa5f01cbb (patch) | |
tree | 2c09056515f2653c62a0128b652b0be78d67dd03 | |
parent | d6fc5dc24aa09e026c6271a7565e63798dfe46f3 (diff) | |
download | ffmpeg-streaming-1f686d023b95219db933394a7704ad9aa5f01cbb.zip ffmpeg-streaming-1f686d023b95219db933394a7704ad9aa5f01cbb.tar.gz |
avcodec/mpeg4videodec: Clear interlaced_dct for studio profile
Fixes: Out of array access
Fixes: 13090/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5408668986638336
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavcodec/mpeg4videodec.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index f44ee76..ecd028a 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -3057,6 +3057,7 @@ static int decode_studio_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb) return 0; s->partitioned_frame = 0; + s->interlaced_dct = 0; s->decode_mb = mpeg4_decode_studio_mb; decode_smpte_tc(ctx, gb); |