mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/aacdec_fixed: Fix runtime error: shift exponent 34 is too large for 32-bit type 'int'
Fixes: 1721/clusterfuzz-testcase-minimized-4719352135811072 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -207,7 +207,11 @@ static void noise_scale(int *coefs, int scale, int band_energy, int len)
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c /= band_energy;
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s = 21 + nlz - (s >> 2);
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if (s > 0) {
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if (s > 31) {
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for (i=0; i<len; i++) {
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coefs[i] = 0;
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}
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} else if (s > 0) {
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round = 1 << (s-1);
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for (i=0; i<len; i++) {
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out = (int)(((int64_t)coefs[i] * c) >> 32);
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