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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-21 05:05:32 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 04:41:33 +0300 |
| commit | 12a4a93b4091b1abedb5a4ecfad7b8f1531ecfcd (patch) | |
| tree | 5c141ddf4dea6590283f627328f64f5d104efc8d /libavcodec/rv40dsp.c | |
| parent | 00870c248e3bab023519d05d1c04334f1f035f8e (diff) | |
avcodec/rv40: Fix runtime error: left shift of negative value
Fixes: 630/clusterfuzz-testcase-6608718928019456
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 956472a3236cc8eaeba5147c55b51bde6005c898)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/rv40dsp.c')
| -rw-r--r-- | libavcodec/rv40dsp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/rv40dsp.c b/libavcodec/rv40dsp.c index 19b0e93696..95ba0a9259 100644 --- a/libavcodec/rv40dsp.c +++ b/libavcodec/rv40dsp.c @@ -449,7 +449,7 @@ static av_always_inline void rv40_weak_loop_filter(uint8_t *src, if (u > 3 - (filter_p1 && filter_q1)) continue; - t <<= 2; + t *= 1 << 2; if (filter_p1 && filter_q1) t += src[-2*step] - src[1*step]; |