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avcodec/takdec: Fix runtime error: left shift of negative value -63

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Fixes: 1713/clusterfuzz-testcase-minimized-5791887476654080

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d66193252b4067144f11211f8f3e1d5a50146235)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-21 02:46:55 +02:00
parent fcc87a4676
commit 02b8d62a8c
1 changed files with 1 additions and 1 deletions
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libavcodec/takdec.c
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@ -851,7 +851,7 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data,
if (s->sample_shift[chan] > 0)
for (i = 0; i < s->nb_samples; i++)
decoded[i] <<= s->sample_shift[chan];
decoded[i] *= 1 << s->sample_shift[chan];
}
}