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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-12 03:00:32 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-28 02:22:42 +0200 |
| commit | e9975d1b511812984f208128711a6aa68eddf82a (patch) | |
| tree | 9fe200f4d297ae4af68fa2737f7aab9b91b31c39 | |
| parent | 0cbd4fb9955e1cb3ff2427b1a7dbf1b0da4d57d8 (diff) | |
| download | ffmpeg-e9975d1b511812984f208128711a6aa68eddf82a.tar.gz | |
avformat/utils: Fix integer overflow in discontinuity check
Fixes: signed integer overflow: 7738135736989908991 - -7954308516317364223 cannot be represented in type 'long'
Fixes: find_stream_info_usan
Reported-by: Thomas Guilbert <tguilbert@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4e19cfcfa3944fe4cf97bea758f72f104dcaebad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 75adea10e3..db79577548 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3748,7 +3748,7 @@ FF_ENABLE_DEPRECATION_WARNINGS * sequence, we treat it as a discontinuity. */ if (st->info->fps_last_dts != AV_NOPTS_VALUE && st->info->fps_last_dts_idx > st->info->fps_first_dts_idx && - (pkt->dts - st->info->fps_last_dts) / 1000 > + (pkt->dts - (uint64_t)st->info->fps_last_dts) / 1000 > (st->info->fps_last_dts - (uint64_t)st->info->fps_first_dts) / (st->info->fps_last_dts_idx - st->info->fps_first_dts_idx)) { av_log(ic, AV_LOG_WARNING, |