From 0181b202cc42133eacd74bad33745cf1ba699e6b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 26 Aug 2017 14:08:51 +0200 Subject: [PATCH] avcodec/aacpsdsp_template: Fix undefined integer overflow in ps_add_squares_c() 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 --- 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, -- GitLab