diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 04:03:46 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-02 02:14:38 +0300 |
| commit | f5626db24e7864bffb7b7fd58283e4fe151935af (patch) | |
| tree | 8f9e6a193f7215f0e4079736726086856167d747 | |
| parent | 573e40e8f1c3b6aabd4e60520e3c6e7a72a7c629 (diff) | |
avcodec/ivi_dsp: Fix runtime error: left shift of negative value -2
Fixes: 1839/clusterfuzz-testcase-minimized-6238490993885184
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 357f2316a08478a4442e8051978c7b161e10281c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/ivi_dsp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/ivi_dsp.c b/libavcodec/ivi_dsp.c index 2768531dbf..4aedf17907 100644 --- a/libavcodec/ivi_dsp.c +++ b/libavcodec/ivi_dsp.c @@ -393,8 +393,8 @@ void ff_ivi_inverse_haar_4x4(const int32_t *in, int16_t *out, ptrdiff_t pitch, if (flags[i]) { /* pre-scaling */ shift = !(i & 2); - sp1 = src[0] << shift; - sp2 = src[4] << shift; + sp1 = src[0] * (1 << shift); + sp2 = src[4] * (1 << shift); INV_HAAR4( sp1, sp2, src[8], src[12], dst[0], dst[4], dst[8], dst[12], t0, t1, t2, t3, t4); |