ffmpeg | branch: release/3.2 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Dec 15 13:06:30 2017 +0100| [ce2804775527e1f1a1f837614b74c76aed3613c8] | committer: Michael Niedermayer
avcodec/hevcdsp_template: Fix undefined shift in put_hevc_qpel_bi_w_hv() Fixes: runtime error: left shift of negative value -3 Fixes: 4524/clusterfuzz-testcase-minimized-6055590120914944 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 439fbb9c8b2a90e97c44c7c57245e01ca84c865d) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce2804775527e1f1a1f837614b74c76aed3613c8 --- 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 8ae193d2ea..57d18bd176 100644 --- a/libavcodec/hevcdsp_template.c +++ b/libavcodec/hevcdsp_template.c @@ -1057,7 +1057,7 @@ static void FUNC(put_hevc_qpel_bi_w_hv)(uint8_t *_dst, ptrdiff_t _dststride, uin for (y = 0; y < height; y++) { for (x = 0; x < width; x++) dst[x] = av_clip_pixel(((QPEL_FILTER(tmp, MAX_PB_SIZE) >> 6) * wx1 + src2[x] * wx0 + - ((ox0 + ox1 + 1) << log2Wd)) >> (log2Wd + 1)); + ((ox0 + ox1 + 1) * (1 << log2Wd))) >> (log2Wd + 1)); tmp += MAX_PB_SIZE; dst += dststride; src2 += MAX_PB_SIZE; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog