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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-03 04:39:06 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-16 16:00:22 +0200 |
| commit | 67d84d2c48a61c6009fb4bcc08f0c196c6d6115e (patch) | |
| tree | a814349c4faf1a479f4191c269c7a23cc5d1e3d9 | |
| parent | b69f97933126daa169a5430a15fa8eb0d65e9240 (diff) | |
| download | ffmpeg-67d84d2c48a61c6009fb4bcc08f0c196c6d6115e.tar.gz | |
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>
(cherry picked from commit ab998f4c7faf90d0e46b6ead38a1df1f6a31e2eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/h264_mvpred.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/h264_mvpred.h b/libavcodec/h264_mvpred.h index be02e5af9b..d73d0066dd 100644 --- a/libavcodec/h264_mvpred.h +++ b/libavcodec/h264_mvpred.h @@ -248,7 +248,7 @@ static av_always_inline void pred_8x16_motion(const H264Context *const h, if (IS_INTERLACED(type)) { \ refn >>= 1; \ AV_COPY32(mvbuf[idx], mvn); \ - mvbuf[idx][1] <<= 1; \ + mvbuf[idx][1] *= 2; \ mvn = mvbuf[idx]; \ } \ } \ |