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avcodec/gsmdec_template: Fix runtime error: signed integer overflow: -22527 * 99113 cannot be represented in type 'int'

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Fixes: 636/clusterfuzz-testcase-6520876646268928
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 2017-02-21 16:38:00 +01:00
parent 0c42d0add3
commit a59505ca76
1 changed files with 1 additions and 1 deletions
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2
libavcodec/gsmdec_template.c
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@ -41,7 +41,7 @@ static void apcm_dequant_add(GetBitContext *gb, int16_t *dst, const int *frame_b
static inline int gsm_mult(int a, int b)
{
return (a * b + (1 << 14)) >> 15;
return (int)(a * (SUINT)b + (1 << 14)) >> 15;
}
static void long_term_synth(int16_t *dst, int lag, int gain_idx)