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authorMichael Niedermayer <michael@niedermayer.cc>2017-09-30 18:54:06 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-10-05 01:30:02 +0200
commit2db9b3199641612c4cf91e1b356e40100019aa0b (patch)
tree5d4d8278e5fe0f90d4798d834315577ee842b773
parentd9630deca42950ba5c2891ceb6a27877663a0c28 (diff)
downloadffmpeg-2db9b3199641612c4cf91e1b356e40100019aa0b.tar.gz
avcodec/truemotion2: Fix integer overflows in tm2_high_chroma()
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> (cherry picked from commit 44874b4f5ec2c605c70393573b9d85540ebc2d81) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/truemotion2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/truemotion2.c b/libavcodec/truemotion2.c
index a463a925fd..f077f0e4bd 100644
--- a/libavcodec/truemotion2.c
+++ b/libavcodec/truemotion2.c
@@ -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++) {