mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/truemotion2: Fix integer overflow in tm2_null_res_block()
Fixes: signed integer overflow: 1111638592 - -2122219136 cannot be represented in type 'int' Fixes: 13441/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5732769815068672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -600,7 +600,8 @@ static inline void tm2_null_res_block(TM2Context *ctx, AVFrame *pic, int bx, int
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{
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{
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int i;
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int i;
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int ct;
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int ct;
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int left, right, diff;
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unsigned left, right;
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int diff;
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int deltas[16];
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int deltas[16];
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TM2_INIT_POINTERS();
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TM2_INIT_POINTERS();
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