[isf-wifidog] seg fault

Lun 28 Juil 15:06:03 EDT 2008

	It's not finding the wifidog binary in your path. Pass the
full path on the command-line.

Alex

On Mon, Jul 28, 2008 at 03:01:40PM -0400, Clifford Thurber wrote:
> Date: Mon, 28 Jul 2008 15:01:40 -0400
> From: "Clifford Thurber" <clifford at hdn.net>
> To: "WiFiDog Captive Portal" <wifidog at listes.ilesansfil.org>
> Subject: Re: [isf-wifidog] seg fault
> 
> Alex,
> Thanks for your prompt reply. I am a little out of my league with gdb. I
> tried to follow  your instructions but ended up with the following:
> 
> [root at wifidog ~]# gdb wifidog
> GNU gdb Fedora (6.8-11.fc9)
> Copyright (C) 2008 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-redhat-linux-gnu"...
> wifidog: No such file or directory.
> (gdb) -f -d 7
> Undefined command: "-f".  Try "help".
> (gdb) run -f -d 7
> Starting program:  -f -d 7
> No executable file specified.
> Use the "file" or "exec-file" command.
> (gdb) wifidog -f -d 7
> Undefined command: "wifidog".  Try "help".
> (gdb)
> 
> 
> Thanks again for your help. If you could let me know what I am doing wrong
> with the debugger I will post the stack trace ASAP.
> 
> Thanks
> Clifford
> 
> On Mon, Jul 28, 2008 at 2:45 PM, acv <acv at miniguru.ca> wrote:
> 
> > This looks like a bug in util.c:get_iface_ip()
> >
> > A backtrace would be helpful. To get one ($ = unix shell, gdb> = gdb
> > command
> > prompt):
> >
> > $ gdb wifidog
> >  .... load messages ....
> > gdb> run <you_command_line_arguments here>
> >  .... program output followed by seg fault ....
> > gdb> bt
> >  .... back trace ....
> > gdb> exit
> >
> >        If possible, compile without optimization (no -O, -O2 flags on CC
> > command-line) and debugging symbols (-g on CC command-line) that way we can
> > get exact source-code line where the crash happens.
> >
> > Alex
> >
> > On Mon, Jul 28, 2008 at 02:20:05PM -0400, Clifford Thurber wrote:
> > >
> > > I checked out the latest wifidog and wifidog-auth last week and was able
> > to
> > > configure and compile everything successfuly. However when I start
> > > wifidog(which is running on the same machine as the auth-server) I get a
> > > segfault near the end of startup. When I run wifidog in the foreground
> > this
> > > is what I say before the seg fault:
> > >
> > >
> > > [7][Mon Jul 28 11:10:23 2008](conf.c:389) p1 = [FirewallRule]; p2 =
> > [allow
> > > tcp port 67]
> > > [7][Mon Jul 28 11:10:23 2008](conf.c:433) leftover: allow tcp port 67
> > > [7][Mon Jul 28 11:10:23 2008](conf.c:515) Adding Firewall Rule allow tcp
> > > port 67 to 0.0.0.0/0
> > > [7][Mon Jul 28 11:10:23 2008](conf.c:413) Firewall Rule Set unknown-users
> > > added.
> > > [7][Mon Jul 28 11:10:23 2008](gateway.c:193) Finding IP address of eth1
> > > Segmentation fault
> > >
> > >
> > > I see the following in the logs shortly after:
> > >
> > >
> > > Jul 28 11:10:04 wifidog kernel: wifidog[12304]: segfault at 2d8196c8 ip
> > > 3ea6280eb0 sp 7fff3582bcc8 error 4 in libc-2.8.so[3ea6200000+162000]
> > > Jul 28 11:10:12 wifidog kernel: wifidog[12307]: segfault at 65a46c8 ip
> > > 3ea6280eb0 sp 7fff0e5b4a38 error 4 in libc-2.8.so[3ea6200000+162000]
> > > Jul 28 11:10:23 wifidog kernel: wifidog[12308]: segfault at 342366c8 ip
> > > 3ea6280eb0 sp 7fff3c2466c8 error 4 in libc-2.8.so[3ea6200000+162000]
> > >
> > >
> > > Below is the related information for hardware/software versions:
> > >
> > > gcc --version
> > > gcc (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8)
> > > Copyright (C) 2008 Free Software Foundation, Inc.
> > > This is free software; see the source for copying conditions.  There is
> > NO
> > > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
> > PURPOSE.
> > >
> > >
> > > root at wifidog ~]# uname -a
> > > Linux wifidog 2.6.25-14.fc9.x86_64 #1 SMP Thu May 1 06:06:21 EDT 2008
> > x86_64
> > > x86_64 x86_64 GNU/Linux
> > >
> > >
> > > root at wifidog ~]# ldd /usr/bin/wifidog
> > >     linux-vdso.so.1 =>  (0x00007fff9d5fe000)
> > >     libhttpd.so.0 => /usr/lib64/libhttpd.so.0 (0x000000387b800000)
> > >     libnsl.so.1 => /lib64/libnsl.so.1 (0x0000003eaf600000)
> > >     libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003ea6e00000)
> > >     libc.so.6 => /lib64/libc.so.6 (0x0000003ea6200000)
> > >     /lib64/ld-linux-x86-64.so.2 (0x0000003ea5000000)
> > >
> > >
> > > I get the seg fault whether I install wifidog from packages or compile
> > from
> > > source. Would someone be able to help me out with this? I am not sure
> > where
> > > to look at this point. Are there any known issues with the versions I am
> > > using? I have looked through the FAQs and didn't see anything relevant to
> > > this problem.
> > >
> > > Thanks
> > > Clifford
> >
> > > _______________________________________________
> > > WiFiDog mailing list
> > > WiFiDog at listes.ilesansfil.org
> > > http://listes.ilesansfil.org/cgi-bin/mailman/listinfo/wifidog
> >
> > _______________________________________________
> > WiFiDog mailing list
> > WiFiDog at listes.ilesansfil.org
> > http://listes.ilesansfil.org/cgi-bin/mailman/listinfo/wifidog
> >

> _______________________________________________
> WiFiDog mailing list
> WiFiDog at listes.ilesansfil.org
> http://listes.ilesansfil.org/cgi-bin/mailman/listinfo/wifidog
-------------- section suivante --------------
Une pièce jointe non texte a été nettoyée...
Nom: non disponible
Type: application/pgp-signature
Taille: 187 octets
Desc: non disponible
Url: http://listes.ilesansfil.org/pipermail/wifidog/attachments/20080728/b8eef722/attachment.pgp