From 0ec75723a484405eb2f2ec2f9e58161b168ed8b0 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Fri, 3 Dec 2021 17:58:50 +0100
Subject: [PATCH] avcodec/apedec: Change avg to uint32_t

Fixes: Integer overflow
Fixes: 40973/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6739312704618496

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

diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 9c723f2997..35a2e617e6 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -102,7 +102,7 @@ typedef struct APEFilter {
     int16_t *historybuffer; ///< filter memory
     int16_t *delay;         ///< filtered values
 
-    int avg;
+    uint32_t avg;
 } APEFilter;
 
 typedef struct APERice {