From 44874b4f5ec2c605c70393573b9d85540ebc2d81 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 30 Sep 2017 18:54:06 +0200 Subject: [PATCH] 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 --- libavcodec/truemotion2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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++) {