avcodec/ra144: Fix runtime error: signed integer overflow: -2200 * 1033073 cannot be represented in type 'int'

Fixes: 2175/clusterfuzz-testcase-minimized-5809657849315328

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 2017-06-11 00:45:20 +02:00
parent 90e8317b3b
commit 71da0a5c97

View File

@ -1601,7 +1601,7 @@ void ff_eval_coefs(int *coefs, const int *refl)
b1[i] = refl[i] * 16;
for (j=0; j < i; j++)
b1[j] = ((refl[i] * b2[i-j-1]) >> 12) + b2[j];
b1[j] = ((int)(refl[i] * (unsigned)b2[i-j-1]) >> 12) + b2[j];
FFSWAP(int *, b1, b2);
}