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author | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-26 01:26:58 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-28 01:41:37 +0200 |
commit | 498e07daa18cca6115eb415e592cde3701a2b800 (patch) | |
tree | 27cc0f8fcc0e1345658278d6eaf1393c35f9e315 /doc | |
parent | bc57c799704ae3a38deca9f522c1561f73efcf85 (diff) | |
download | ffmpeg-498e07daa18cca6115eb415e592cde3701a2b800.tar.gz |
avformat/hls: Fix DoS due to infinite loop
Fixes: loop.m3u
The default max iteration count of 1000 is arbitrary and ideas for a better solution are welcome
Found-by: Xiaohei and Wangchu from Alibaba Security Team
Previous version reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7ec414892ddcad88313848494b6fc5f437c9ca4a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/demuxers.texi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/demuxers.texi b/doc/demuxers.texi index 99b221c4b4..9cef8877a9 100644 --- a/doc/demuxers.texi +++ b/doc/demuxers.texi @@ -283,6 +283,24 @@ used to end the output video at the length of the shortest input file, which in this case is @file{input.mp4} as the GIF in this example loops infinitely. +@section hls + +HLS demuxer + +It accepts the following options: + +@table @option +@item live_start_index +segment index to start live streams at (negative values are from the end). + +@item allowed_extensions +',' separated list of file extensions that hls is allowed to access. + +@item max_reload +Maximum number of times a insufficient list is attempted to be reloaded. +Default value is 1000. +@end table + @section image2 Image file demuxer. |