| Message ID | 20190104192236.25585-3-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 77e56d74f972537aecd5bc2c5c4111e1d6ad0963 |
| Headers | show |
On Fri, Jan 04, 2019 at 08:22:36PM +0100, Michael Niedermayer wrote: > 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 <michael@niedermayer.cc> > --- > libavcodec/h264_slice.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c index 2e158745a0..1c9a270fb6 100644 --- a/libavcodec/h264_slice.c +++ b/libavcodec/h264_slice.c @@ -678,7 +678,7 @@ 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;
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 <michael@niedermayer.cc> --- libavcodec/h264_slice.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)