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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-02-14 00:05:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-02-20 23:11:41 +0100 |
| commit | 5ccf296e74725bc8bdfbfe500d0482daa200b6f3 (patch) | |
| tree | d043b597afe1d69b91c65f7c1e163524ed970d4a /libavcodec/h264_direct.c | |
| parent | 6bfda984b3d06e50890129a28061323c18f2d73f (diff) | |
| download | ffmpeg-5ccf296e74725bc8bdfbfe500d0482daa200b6f3.tar.gz | |
avcodec/h264_direct: Fix overflow in POC comparission
Fixes: runtime error: signed integer overflow: 2147421862 - -33624063 cannot be represented in type 'int'
Fixes: 12885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5733516975800320
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/h264_direct.c')
| -rw-r--r-- | libavcodec/h264_direct.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c index ec9fca0350..a01d823e7a 100644 --- a/libavcodec/h264_direct.c +++ b/libavcodec/h264_direct.c @@ -156,8 +156,8 @@ void ff_h264_direct_ref_list_init(const H264Context *const h, H264SliceContext * av_log(h->avctx, AV_LOG_ERROR, "co located POCs unavailable\n"); sl->col_parity = 1; } else - sl->col_parity = (FFABS(col_poc[0] - cur_poc) >= - FFABS(col_poc[1] - cur_poc)); + sl->col_parity = (FFABS(col_poc[0] - (int64_t)cur_poc) >= + FFABS(col_poc[1] - (int64_t)cur_poc)); ref1sidx = sidx = sl->col_parity; // FL -> FL & differ parity |