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avcodec/truemotion2: Fix integer overflows in tm2_high_chroma()

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Fixes: runtime error: signed integer overflow: -1408475220 + -1408475220 cannot be represented in type 'int'
Fixes: 3336/clusterfuzz-testcase-minimized-5656839179993088

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-09-30 18:54:06 +02:00
parent dcf9bae4a9
commit 44874b4f5e
1 changed files with 1 additions and 1 deletions
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libavcodec/truemotion2.c
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@ -465,7 +465,7 @@ static inline void tm2_apply_deltas(TM2Context *ctx, int* Y, int stride, int *de
}
}
static inline void tm2_high_chroma(int *data, int stride, int *last, int *CD, int *deltas)
static inline void tm2_high_chroma(int *data, int stride, int *last, unsigned *CD, int *deltas)
{
int i, j;
for (j = 0; j < 2; j++) {