mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/mpegaudiodec_template: Make l3_unscale() work with e=0
Fixes undefined behavior Fixes: 830/clusterfuzz-testcase-6253175327686656 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -253,7 +253,7 @@ static inline int l3_unscale(int value, int exponent)
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#endif
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#endif
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if (e > (SUINT)31)
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if (e > (SUINT)31)
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return 0;
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return 0;
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m = (m + (1 << (e - 1))) >> e;
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m = (m + ((1U << e)>>1)) >> e;
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return m;
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return m;
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}
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}
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