From 4e3ab1a5c12fe3a88f44b734d3f2e25f4769ec47 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 8 Jun 2017 13:44:32 +0200
Subject: [PATCH] avcodec/ac3dec_fixed: Fix multiple runtime error: signed
 integer overflow: -39271008 * 59 cannot be represented in type 'int'

Fixes: 2113/clusterfuzz-testcase-minimized-6510704959946752

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/ac3dec_fixed.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ac3dec_fixed.c b/libavcodec/ac3dec_fixed.c
index 5a868e4abf..9a6d7a08b1 100644
--- a/libavcodec/ac3dec_fixed.c
+++ b/libavcodec/ac3dec_fixed.c
@@ -65,7 +65,7 @@ static void scale_coefs (
     int len)
 {
     int i, shift, round;
-    int16_t mul;
+    unsigned mul;
     int temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
 
     mul = (dynrng & 0x1f) + 0x20;