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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-01 19:18:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-04 00:56:21 +0200 |
| commit | 39ee3ddff87a12e108fc4e0d36f756d0ca080472 (patch) | |
| tree | 57e049b6dc6283be61f70ef33d3cf48c4cac269c /libavformat/mov.c | |
| parent | c169ab4112c063f53440c51f007ffce0c0d394b1 (diff) | |
| download | ffmpeg-39ee3ddff87a12e108fc4e0d36f756d0ca080472.tar.gz | |
avformat/mov: Check creation_time for overflow
Fixes integer overflow
Fixes: 701640
Found-by: Found-by: Thomas Guilbert <tguilbert@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mov.c')
| -rw-r--r-- | libavformat/mov.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 4550cf0ad4..90bc2499da 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1186,6 +1186,12 @@ static void mov_metadata_creation_time(AVDictionary **metadata, int64_t time) if (time) { if(time >= 2082844800) time -= 2082844800; /* seconds between 1904-01-01 and Epoch */ + + if ((int64_t)(time * 1000000ULL) / 1000000 != time) { + av_log(NULL, AV_LOG_DEBUG, "creation_time is not representable\n"); + return; + } + avpriv_dict_set_timestamp(metadata, "creation_time", time * 1000000); } } |