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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-30 21:27:37 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-01 23:12:07 +0100 |
| commit | 0409d333115e623b5ccdbb364d64ca2a52fd8467 (patch) | |
| tree | 067c7048a568f048295f9c7b04ed1ba8eb0b9a0c /libavcodec/hevcdsp_template.c | |
| parent | a763d278274cfbda4e78e21b338b9b525fe22eab (diff) | |
avcodec/hevcdsp_template: Fix undefined shift in put_hevc_epel_bi_w_h()
Fixes: runtime error: left shift of negative value -127
Fixes: 4397/clusterfuzz-testcase-minimized-4779061080489984
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/hevcdsp_template.c')
| -rw-r--r-- | libavcodec/hevcdsp_template.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hevcdsp_template.c b/libavcodec/hevcdsp_template.c index 46a0da2045..0623cfad89 100644 --- a/libavcodec/hevcdsp_template.c +++ b/libavcodec/hevcdsp_template.c @@ -1355,7 +1355,7 @@ static void FUNC(put_hevc_epel_bi_w_h)(uint8_t *_dst, ptrdiff_t _dststride, uint for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((EPEL_FILTER(src, 1) >> (BIT_DEPTH - 8)) * wx1 + src2[x] * wx0 + - ((ox0 + ox1 + 1) << log2Wd)) >> (log2Wd + 1)); + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); src += srcstride; dst += dststride; src2 += MAX_PB_SIZE; |