From 46db1182da23d955939bdd34088c969584ce96f5 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 31 Mar 2018 21:19:19 +0200 Subject: [PATCH] avcodec/aacdec_fixed: Fix integer overflow in apply_independent_coupling_fixed() I was not able to reproduce this, this fix is based on just the fuzzer log. Fixes: 4959/clusterfuzz-testcase-minimized-6035350934781952 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 197a4e8feed45b2e5868760240e83636818f32a9) Signed-off-by: Michael Niedermayer --- libavcodec/aacdec_fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 32bd1454bd..fbf541df24 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -417,7 +417,7 @@ static void apply_independent_coupling_fixed(AACContext *ac, int i, c, shift, round, tmp; const int gain = cce->coup.gain[index][0]; const int *src = cce->ch[0].ret; - int *dest = target->ret; + unsigned int *dest = target->ret; const int len = 1024 << (ac->oc[1].m4ac.sbr == 1); c = cce_scale_fixed[gain & 7];