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avcodec/dca_xll: Fix runtime error: signed integer overflow: 2147286116 + 6298923 cannot be represented in type 'int'

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Fixes: 732/clusterfuzz-testcase-4872990070145024

See: [FFmpeg-devel] [PATCH 2/6] avcodec/dca_xll: Fix runtime error: signed integer overflow: 2147286116 + 6298923 cannot be represented in type 'int'
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-03-08 21:35:51 +01:00
parent 44e2105189
commit ce010655a6
1 changed files with 1 additions and 1 deletions
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2
libavcodec/dca_xll.c
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@ -1312,7 +1312,7 @@ static int combine_residual_frame(DCAXllDecoder *s, DCAXllChSet *c)
} else {
// No downmix scaling
for (n = 0; n < nsamples; n++)
dst[n] += (src[n] + round) >> shift;
dst[n] += (unsigned)((src[n] + round) >> shift);
}
}