Opened 10 years ago

Last modified 9 years ago

#1615 new defect

MPlayer interrupted by signal 11 in module: demux_open

Reported by: leander256@… Owned by: reimar
Priority: normal Component: demuxer
Version: HEAD Severity: normal
Keywords: Cc:
Blocked By: Blocking:
Reproduced by developer: Analyzed by developer:

Description

When trying to play an RTSP stream from my ISP, Mplayer segfaults:

$ gdb ./mplayer

warning: Can not parse XML syscalls information; XML support was disabled at compile time.
GNU gdb (Gentoo 7.0 p1) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.gentoo.org/>...
Reading symbols from /tmp/mplayer/mplayer...done.
(gdb) set args "rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=202&flavour=sd"
(gdb) run
Starting program: /tmp/mplayer/mplayer "rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=202&flavour=sd"
[Thread debugging using libthread_db enabled]
MPlayer SVN-r30092-4.4.2 (C) 2000-2009 MPlayer Team

Playing rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=202&flavour=sd.
Resolving mafreebox.freebox.fr for AF_INET...
Connecting to server mafreebox.freebox.fr[212.27.38.253]: 554...
librtsp: server responds: 'RTSP/1.0 403 Forbidden'
Timeout! No data from host 192.168.0.60
rtsp_session: unsupported RTSP server. Server type is 'fbxrtspd/1.2 Freebox RTSP server'.
STREAM_LIVE555, URL: rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=202&flavour=sd
Stream not seekable!

file format detected.

Initiated "video/MP2T" RTP subsession on port 55692

Program received signal SIGSEGV, Segmentation fault.
new_demuxers_demuxer (vd=0x0, ad=0x0, sd=0x0) at libmpdemux/demux_demuxers.c:51
51 ret->stream = vd->stream;
(gdb) bt
#0 new_demuxers_demuxer (vd=0x0, ad=0x0, sd=0x0) at libmpdemux/demux_demuxers.c:51
#1 0x00000000005dc050 in demux_open_rtp ()
#2 0x000000000050ae4e in demux_open_stream (stream=<value optimized out>, file_format=21, force=<value optimized out>, audio_id=<value optimized out>, video_id=<value optimized out>,

dvdsub_id=<value optimized out>, filename=0x12d6400 "rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=202&flavour=sd") at libmpdemux/demuxer.c:794

#3 0x000000000050b474 in demux_open (vs=<value optimized out>, file_format=<value optimized out>, audio_id=19927728, video_id=<value optimized out>, dvdsub_id=2097152,

filename=0x12d6400 "rtsp://mafreebox.freebox.fr/fbxtv_pub/stream?namespace=1&service=202&flavour=sd") at libmpdemux/demuxer.c:1002

#4 0x000000000047b091 in main (argc=19879302, argv=<value optimized out>) at mplayer.c:3280

I stepped a bit in the code with GDB, the problem comes from libmpdemux/demux_rtp.cpp:285 where the return value from demux_open() isn't checked against NULL.

Change History (1)

comment:1 Changed 9 years ago by compn

  • Owner changed from r_togni@… to reimar
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