mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/h264_mvpred: Fix multiple runtime error: left shift of negative value
Fixes: 710/clusterfuzz-testcase-5091051431788544 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -248,7 +248,7 @@ static av_always_inline void pred_8x16_motion(const H264Context *const h,
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if (IS_INTERLACED(type)) { \
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refn >>= 1; \
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AV_COPY32(mvbuf[idx], mvn); \
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mvbuf[idx][1] <<= 1; \
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mvbuf[idx][1] *= 2; \
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mvn = mvbuf[idx]; \
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} \
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} \
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