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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-20 14:38:34 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-07-19 15:26:37 +0200 |
| commit | 5b8a97d000efe57b898d64c54b366b927eddd162 (patch) | |
| tree | d0354a43def1933f6408a8a90c38ada52bd6262e /libavcodec | |
| parent | ada21bca5551977ab00c5a799b20dbff544ac3f9 (diff) | |
| download | ffmpeg-5b8a97d000efe57b898d64c54b366b927eddd162.tar.gz | |
avcodec/hevc_filter: Fix invalid shift
Fixes: runtime error: left shift of negative value -1
Fixes: 2299/clusterfuzz-testcase-minimized-4843509351710720
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 d7b3d5c3f2e2ff1994762b5e09c05fbc33790b5b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/hevc_filter.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c index 14e7c8dd50..b53f4cc721 100644 --- a/libavcodec/hevc_filter.c +++ b/libavcodec/hevc_filter.c @@ -470,7 +470,7 @@ static int get_pcm(HEVCContext *s, int x, int y) #define TC_CALC(qp, bs) \ tctable[av_clip((qp) + DEFAULT_INTRA_TC_OFFSET * ((bs) - 1) + \ - (tc_offset >> 1 << 1), \ + (tc_offset & -2), \ 0, MAX_QP + DEFAULT_INTRA_TC_OFFSET)] static void deblocking_filter_CTB(HEVCContext *s, int x0, int y0) |