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avcodec/flacdec: Fix undefined shift in decode_subframe()
Fixes undefined behavior Fixes: 639961-media Found-by: Matt Wolenetz <wolenetz@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 1f5630af51f24d79053b6bef5b8b3ba93d637306) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -448,7 +448,7 @@ static inline int decode_subframe(FLACContext *s, int channel)
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if (wasted) {
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int i;
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for (i = 0; i < s->blocksize; i++)
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decoded[i] <<= wasted;
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decoded[i] = (unsigned)decoded[i] << wasted;
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}
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return 0;
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