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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-24 13:11:43 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 12:20:15 +0200 |
| commit | d7d2a121a334d9d46dc94cafd838496a655f4cb9 (patch) | |
| tree | afe98f906f3d8b14391b028bf13729df8c4a9a9a /libavcodec | |
| parent | bf780cbd991dc4d5aa215cd71b538ca3f8bcb35a (diff) | |
| download | ffmpeg-d7d2a121a334d9d46dc94cafd838496a655f4cb9.tar.gz | |
avcodec/vp3dsp: Fix multiple signed integer overflow: 46341 * 47523 cannot be represented in type 'int'
Fixes: 664/clusterfuzz-testcase-4917047475568640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2b8b7921c55a93049a86cfeb2fda9423d16f8ebe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vp3dsp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vp3dsp.c b/libavcodec/vp3dsp.c index 814c78e34a..4b6c838b70 100644 --- a/libavcodec/vp3dsp.c +++ b/libavcodec/vp3dsp.c @@ -41,7 +41,7 @@ #define xC6S2 25080 #define xC7S1 12785 -#define M(a, b) (((a) * (b)) >> 16) +#define M(a, b) ((int)((SUINT)(a) * (b)) >> 16) static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int type) |