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avcodec/ra144: Fix runtime error: signed integer overflow: -2449 * 1398101 cannot be represented in type 'int'

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Fixes: 1885/clusterfuzz-testcase-minimized-5336328549957632

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 2017-05-28 21:44:32 +02:00
parent 4c472c5252
commit 7c845450d2
1 changed files with 1 additions and 1 deletions
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2
libavcodec/ra144.c
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@ -1573,7 +1573,7 @@ int ff_eval_refl(int *refl, const int16_t *coefs, AVCodecContext *avctx)
if((int)(a*(unsigned)b) != a*(int64_t)b)
return 1;
#endif
bp1[j] = ((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * b) >> 12;
bp1[j] = (int)((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * (unsigned)b) >> 12;
}
if ((unsigned) bp1[i] + 0x1000 > 0x1fff)