ffmpeg | branch: release/3.2 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Nov 30 21:27:37 2017 +0100| [e8a3b17dd470d3d5fb1690fbb5776c1828f0b024] | committer: Michael Niedermayer
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 <mich...@niedermayer.cc> (cherry picked from commit 0409d333115e623b5ccdbb364d64ca2a52fd8467) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e8a3b17dd470d3d5fb1690fbb5776c1828f0b024 --- libavcodec/hevcdsp_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hevcdsp_template.c b/libavcodec/hevcdsp_template.c index 82ee0b63ac..8ae193d2ea 100644 --- a/libavcodec/hevcdsp_template.c +++ b/libavcodec/hevcdsp_template.c @@ -1361,7 +1361,7 @@ 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; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
