ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat May 6 00:13:05 2017 +0200| [35f3df0d76e28969fa77f2b865e2e40b3ba69722] | committer: Michael Niedermayer
avutil/softfloat: Fix multiple runtime error: left shift of negative value -8 Fixes: 1352/clusterfuzz-testcase-minimized-5757565017260032 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=35f3df0d76e28969fa77f2b865e2e40b3ba69722 --- libavutil/softfloat.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h index e6d30ad333..5d376e438a 100644 --- a/libavutil/softfloat.h +++ b/libavutil/softfloat.h @@ -234,12 +234,12 @@ static av_unused void av_sincos_sf(int a, int *s, int *c) int st, ct; idx = a >> 26; - sign = (idx << 27) >> 31; + sign = (int32_t)((unsigned)idx << 27) >> 31; cv = av_costbl_1_sf[idx & 0xf]; cv = (cv ^ sign) - sign; idx -= 8; - sign = (idx << 27) >> 31; + sign = (int32_t)((unsigned)idx << 27) >> 31; sv = av_costbl_1_sf[idx & 0xf]; sv = (sv ^ sign) - sign; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
