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authorMichael Niedermayer <michael@niedermayer.cc>2017-02-21 03:05:32 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-02-21 15:31:06 +0100
commit956472a3236cc8eaeba5147c55b51bde6005c898 (patch)
tree4a1994ac8c5413df402e7b5feeebf65b00391501 /libavcodec/rv40dsp.c
parentf4777d1b89c65166394a459399704fc034a782d6 (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>
Diffstat (limited to 'libavcodec/rv40dsp.c')
-rw-r--r--libavcodec/rv40dsp.c2
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];