[FFmpeg-devel] [PATCH] avcodec/aacdec_fixed: Fix integer overflow in apply_independent_coupling_fixed()
Michael Niedermayer
michael at niedermayer.cc
Sat Mar 31 22:44:23 EEST 2018
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 <michael at niedermayer.cc>
---
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 f96999efb4..5c3613e06c 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];
--
2.16.2
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