Re: [FFmpeg-devel] [PATCH 6/6] vcodec/apedec: Fix integer overflow in filter_3800()

2019-09-02 Thread Michael Niedermayer 
On Sun, Aug 18, 2019 at 01:28:41AM +0200, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 2021654528 + 2032575680 cannot be represented 
> in type 'int'
> Fixes: 
> 16270/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5732438816325632
> 
> Found-by: continuous fuzzing process 
> https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer 
> ---
>  libavcodec/apedec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

will apply

[...]
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[FFmpeg-devel] [PATCH 6/6] vcodec/apedec: Fix integer overflow in filter_3800()

2019-08-17 Thread Michael Niedermayer 
Fixes: signed integer overflow: 2021654528 + 2032575680 cannot be represented 
in type 'int'
Fixes: 
16270/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5732438816325632

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

diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 5d82ff53ff..490b11b94e 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -842,7 +842,7 @@ static av_always_inline int filter_fast_3320(APEPredictor 
*p,
 }
 
 static av_always_inline int filter_3800(APEPredictor *p,
-const int decoded, const int filter,
+const unsigned decoded, const int 
filter,
 const int delayA,  const int delayB,
 const int start,   const int shift)
 {
-- 
2.22.1

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