ffmpeg | branch: release/3.2 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Jan 4 20:00:38 2019 +0100| [f4a9455e03a6712085ec1c56ccde015d728a7471] | committer: Michael Niedermayer
avcodec/h264_slice: Fix integer overflow in implicit_weight_table() Fixes: signed integer overflow: 2 * 2132811760 cannot be represented in type 'int' Fixes: 11156/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6237685933408256 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 77e56d74f972537aecd5bc2c5c4111e1d6ad0963) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f4a9455e03a6712085ec1c56ccde015d728a7471 --- libavcodec/h264_slice.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c index 1c56ad2ee9..cbdfa1b19b 100644 --- a/libavcodec/h264_slice.c +++ b/libavcodec/h264_slice.c @@ -682,7 +682,7 @@ static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, in cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1]; } if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) && - sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2 * cur_poc) { + sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2LL * cur_poc) { sl->pwt.use_weight = 0; sl->pwt.use_weight_chroma = 0; return; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
