[FFmpeg-trac] #6151(ffserver:open): ffserver crashes after requesting /status

[FFmpeg]

#6151: ffserver crashes after requesting /status
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             Reporter:  jazzl0ver   |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  important   |                Component:  ffserver
              Version:  git-master  |               Resolution:
             Keywords:  crash fpe   |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by cehoyos):

 * keywords:   => crash fpe
 * status:  new => open
 * version:  unspecified => git-master
 * component:  undetermined => ffserver
 * reproduced:  0 => 1


Comment:

 Not really a regression, reproducible since 6c2ed67c
 (Needs {{{NoDefaults}}} afaict)
 {{{
 Starting program: ffserver_g -f ffserver.conf
 [Thread debugging using libthread_db enabled]
 Using host libthread_db library "/lib64/libthread_db.so.1".
 ffserver version N-83522-g6a37abc Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 47.100 / 55. 47.100
   libavcodec     57. 80.100 / 57. 80.100
   libavformat    57. 66.102 / 57. 66.102
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 73.100 /  6. 73.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [ffm @ 0x1e24820] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 [ffm @ 0x1e24820] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 [ffm @ 0x1e24820] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 [ffm @ 0x1e24820] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 Detaching after fork from child process 16063.
 Detaching after fork from child process 16064.
 feed-kpp.ffm: Pid 16063 exited with status 256 after 0 seconds
 feed-pirit.ffm: Pid 16064 exited with status 256 after 0 seconds

 Program received signal SIGFPE, Arithmetic exception.
 0x0000000000481ed7 in print_stream_params (stream=0x1e212c0, pb=0x1e23360)
 at ffserver.c:1908
 1908                snprintf(parameters, sizeof(parameters),
 bt
 #0  0x0000000000481ed7 in print_stream_params (stream=0x1e212c0,
 pb=0x1e23360) at ffserver.c:1908
 #1  compute_status (c=0x1e2db40) at ffserver.c:2126
 #2  http_parse_request (c=c at entry=0x1e2db40) at ffserver.c:1862
 #3  0x00000000004748c9 in handle_connection (c=0x1e2db40) at
 ffserver.c:1014
 #4  http_server () at ffserver.c:784
 #5  main (argc=<optimized out>, argv=<optimized out>) at ffserver.c:4015
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/6151#comment:3>
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