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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 02:17:13 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-02 01:14:38 +0200 |
| commit | fedd8b65077d8f78de22c56fb5c408271af7c7a5 (patch) | |
| tree | aad6277f8e1a1945fbf83268c49c5044658222fc | |
| parent | 6ebb9e7b7765d699692ba18c2b0ef1ff1ce6dbf4 (diff) | |
| download | ffmpeg-fedd8b65077d8f78de22c56fb5c408271af7c7a5.tar.gz | |
avcodec/fmvc: Fix off by 1 error
Fixes: out of array access
Fixes: 1643/clusterfuzz-testcase-minimized-6117573403869184
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e11dcc35bb4dbacd87378465b4cafa6a604e8b87)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/fmvc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/fmvc.c b/libavcodec/fmvc.c index ff5f291da6..2368e95f29 100644 --- a/libavcodec/fmvc.c +++ b/libavcodec/fmvc.c @@ -459,7 +459,7 @@ static int decode_frame(AVCodecContext *avctx, int size, offset, start = 0; offset = bytestream2_get_le16(gb); - if (offset > s->nb_blocks) + if (offset >= s->nb_blocks) return AVERROR_INVALIDDATA; size = bytestream2_get_le16(gb); |