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avcodec/dcadsp: Fix 2 runtime error: signed integer overflow: -1958094138 - 1078906344 cannot be represented in type 'int' 

Fixes: 722/clusterfuzz-testcase-5711268868521984

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 2017-03-03 20:12:22 +01:00
parent d03d386162
commit 29638d4db9
1 changed files with 2 additions and 2 deletions
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4
libavcodec/dcadsp.c
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@ -347,7 +347,7 @@ static void dmix_scale_inv_c(int32_t *dst, int scale_inv, ptrdiff_t len)
dst[i] = mul16(dst[i], scale_inv);
}
static void filter0(int32_t *dst, const int32_t *src, int32_t coeff, ptrdiff_t len)
static void filter0(SUINT32 *dst, const int32_t *src, int32_t coeff, ptrdiff_t len)
{
int i;
@ -355,7 +355,7 @@ static void filter0(int32_t *dst, const int32_t *src, int32_t coeff, ptrdiff_t l
dst[i] -= mul22(src[i], coeff);
}
static void filter1(int32_t *dst, const int32_t *src, int32_t coeff, ptrdiff_t len)
static void filter1(SUINT32 *dst, const int32_t *src, int32_t coeff, ptrdiff_t len)
{
int i;