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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 03:03:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-18 16:05:23 +0200 |
| commit | 8da4f91fca831d8d8e8e4aa257d4a2927a2af9e3 (patch) | |
| tree | b85305041bb64e69f9d16f95cb7de1833388da30 | |
| parent | 5aaec845738ba401a97eae4fb16955610f30b1d8 (diff) | |
| download | ffmpeg-8da4f91fca831d8d8e8e4aa257d4a2927a2af9e3.tar.gz | |
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 1ea039f0e8..a57d09e0fb 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, uint32_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); |