diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 00:13:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 00:21:49 +0200 |
| commit | 67835afd7955abe6e57a80690e2362d3aa156b06 (patch) | |
| tree | f2b31230346a4e0e34f316d688893f90950f7489 | |
| parent | 955b97704f12d5bf1fca254c705a3f4744e872d7 (diff) | |
| download | ffmpeg-67835afd7955abe6e57a80690e2362d3aa156b06.tar.gz | |
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 <michael@niedermayer.cc>
(cherry picked from commit 35f3df0d76e28969fa77f2b865e2e40b3ba69722)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavutil/softfloat.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h index fa91d1e1cb..fed3e77f87 100644 --- a/libavutil/softfloat.h +++ b/libavutil/softfloat.h @@ -235,12 +235,12 @@ 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; |