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authorMichael Niedermayer <michael@niedermayer.cc>2019-02-15 01:57:09 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2019-03-14 00:24:44 +0100
commit8066cb3556e77570b72b28ccef9613ea0887d5ac (patch)
tree3c182bff29ab9250160db18cfebca4f237ae8609
parentd25f388584a36b709c780b4bf91de2cabfe6137f (diff)
downloadffmpeg-8066cb3556e77570b72b28ccef9613ea0887d5ac.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> (cherry picked from commit 1f686d023b95219db933394a7704ad9aa5f01cbb) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/mpeg4videodec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index f44ee76bd4..ecd028a87c 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);