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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>
This commit is contained in:
Michael Niedermayer 2017-05-17 02:17:13 +02:00
parent 0e87c07d87
commit e11dcc35bb
1 changed files with 1 additions and 1 deletions
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libavcodec/fmvc.c
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@ -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);