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avcodec/dct32_template: Fix runtime error: signed integer overflow: -1071326067 - 1088238847 cannot be represented in type 'int'

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Fixes: 1731/clusterfuzz-testcase-minimized-5123972414832640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-21 23:35:21 +02:00
parent 40fa6a2fa2
commit a1cbf53c56
1 changed files with 2 additions and 1 deletions
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3
libavcodec/dct32_template.c
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@ -123,8 +123,9 @@
#define ADD(a, b) val##a += val##b
/* DCT32 without 1/sqrt(2) coef zero scaling. */
void dct32(INTFLOAT *out, const INTFLOAT *tab)
void dct32(INTFLOAT *out, const INTFLOAT *tab_arg)
{
const SUINTFLOAT *tab = tab_arg;
SUINTFLOAT tmp0, tmp1;
SUINTFLOAT val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7 ,