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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 14:00:30 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 14:32:20 +0200 |
| commit | 9495075a7f86e8abbe840e00b3d2f94ab8a5614e (patch) | |
| tree | d3df14352aad8e42fb461a5dc081101dbda8106c | |
| parent | 5c1c1e89de4eb3c30ad571291bf98ed4394567bb (diff) | |
| download | ffmpeg-9495075a7f86e8abbe840e00b3d2f94ab8a5614e.tar.gz | |
avcodec/jpeg2000: Fix runtime error: signed integer overflow: 4185 + 2147483394 cannot be represented in type 'int'
Fixes: 1870/clusterfuzz-testcase-minimized-4686788029317120
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 781f88bb26534ececc76eaa972f02536ba2f0f55)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/jpeg2000.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000.h b/libavcodec/jpeg2000.h index ed3b421ad8..873e4505ec 100644 --- a/libavcodec/jpeg2000.h +++ b/libavcodec/jpeg2000.h @@ -220,7 +220,7 @@ static inline int ff_jpeg2000_ceildivpow2(int a, int b) static inline int ff_jpeg2000_ceildiv(int a, int b) { - return (a + b - 1) / b; + return (a + (int64_t)b - 1) / b; } /* TIER-1 routines */ |