[FFmpeg-cvslog] avcodec/wavpack: Fix runtime error: signed integer overflow: 1886191616 + 277872640 cannot be represented in type 'int'
Michael Niedermayer
git at videolan.org
Sun Jun 18 17:35:27 EEST 2017
ffmpeg | branch: release/3.1 | Michael Niedermayer <michael at niedermayer.cc> | Sun Jun 11 20:19:59 2017 +0200| [562690a7f73e371ffe2532f23e90b664c9380619] | committer: Michael Niedermayer
avcodec/wavpack: Fix runtime error: signed integer overflow: 1886191616 + 277872640 cannot be represented in type 'int'
Fixes: 2181/clusterfuzz-testcase-minimized-6314784322486272
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit c996374d4d86e0efbef71812448b4c65656bc667)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=562690a7f73e371ffe2532f23e90b664c9380619
---
libavcodec/wavpack.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/wavpack.h b/libavcodec/wavpack.h
index a1b46d5bd7..c71006112a 100644
--- a/libavcodec/wavpack.h
+++ b/libavcodec/wavpack.h
@@ -94,7 +94,7 @@ typedef struct Decorr {
typedef struct WvChannel {
int median[3];
int slow_level, error_limit;
- int bitrate_acc, bitrate_delta;
+ unsigned bitrate_acc, bitrate_delta;
} WvChannel;
// macros for manipulating median values
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