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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2012-02-28 16:13:46 -0800 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2012-02-29 14:22:35 +0100 |
| commit | 40ccc811461c2c5f7999200315f9e2a563807147 (patch) | |
| tree | 9dd3439ea22df7d7c2a011c733e2334108d22042 | |
| parent | 1c63d613721f9fb05dcf1646d00aabf5f63695eb (diff) | |
| download | ffmpeg-40ccc811461c2c5f7999200315f9e2a563807147.tar.gz | |
asf: don't seek back on EOF.
Seeking back on EOF will reset the EOF flag, causing us to re-enter
the loop to find the next marker in the ASF file, thus potentially
causing an infinite loop.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit bb6d5411e1e1a8e0608b1af1c4addee654dcbac5)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
| -rw-r--r-- | libavformat/asfdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 1fbe79bf5f..969ab28875 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -761,7 +761,7 @@ static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb) c= avio_r8(pb); d= avio_r8(pb); rsize+=3; - }else{ + } else if (!pb->eof_reached) { avio_seek(pb, -1, SEEK_CUR); //FIXME } |