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>
This commit is contained in:
parent
d23727e042
commit
ab998f4c7f
|
@ -248,7 +248,7 @@ static av_always_inline void pred_8x16_motion(const H264Context *const h,
|
||||||
if (IS_INTERLACED(type)) { \
|
if (IS_INTERLACED(type)) { \
|
||||||
refn >>= 1; \
|
refn >>= 1; \
|
||||||
AV_COPY32(mvbuf[idx], mvn); \
|
AV_COPY32(mvbuf[idx], mvn); \
|
||||||
mvbuf[idx][1] <<= 1; \
|
mvbuf[idx][1] *= 2; \
|
||||||
mvn = mvbuf[idx]; \
|
mvn = mvbuf[idx]; \
|
||||||
} \
|
} \
|
||||||
} \
|
} \
|
||||||
|
|
Loading…
Reference in New Issue