[FFmpeg-devel] [PATCH 2/2] avcodec/aacpsdsp_template: Fix undefined integer overflow in ps_add_squares_c()

[Michael Niedermayer]

Fixes runtime error: signed integer overflow: 1997494407 + 613252359 cannot be represented in type 'int'
Fixes: 2014/clusterfuzz-testcase-minimized-5186337030275072

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/aacpsdsp_template.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/aacpsdsp_template.c b/libavcodec/aacpsdsp_template.c
index 9e1a95c1a1..e35e9699b0 100644
--- a/libavcodec/aacpsdsp_template.c
+++ b/libavcodec/aacpsdsp_template.c
@@ -30,7 +30,7 @@ static void ps_add_squares_c(INTFLOAT *dst, const INTFLOAT (*src)[2], int n)
 {
     int i;
     for (i = 0; i < n; i++)
-        dst[i] += AAC_MADD28(src[i][0], src[i][0], src[i][1], src[i][1]);
+        dst[i] += (UINTFLOAT)AAC_MADD28(src[i][0], src[i][0], src[i][1], src[i][1]);
 }
 
 static void ps_mul_pair_single_c(INTFLOAT (*dst)[2], INTFLOAT (*src0)[2], INTFLOAT *src1,
-- 
2.14.1