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[FFmpeg-devel,3/3] avcodec/dcadsp: Fix 2 runtime error: signed integer overflow: -1958094138 - 1078906344 cannot be represented in type 'int'

Message ID 20170303191222.5097-3-michael@niedermayer.cc
State Accepted
Commit 29638d4db90d5e3fc107c1beb40808f53cc7acaa
Headers show

Commit Message

Michael Niedermayer March 3, 2017, 7:12 p.m. UTC 
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>
---
 libavcodec/dcadsp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/libavcodec/dcadsp.c b/libavcodec/dcadsp.c
index 1503d00886..4f1e933cfb 100644
--- a/libavcodec/dcadsp.c
+++ b/libavcodec/dcadsp.c
@@ -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;