Re: Problem running tor-0.2.0.32 on Ubuntu 8.04

[Sambuddho Chakravarty <sc2516@xxxxxxxxxxxx>]

Hello Roger
Roger Dingledine wrote:
> (Btw, please only post to or-talk or or-dev, never both)
>
>   
Yes I shall take care of this from now on.
> On Sat, Jan 17, 2009 at 06:48:25PM -0500, Sambuddho Chakravarty wrote:
>   
> > Hello All
> > I tried compiling tor-0.2.0.32 on Ubuntu 8.04 (off the shelf version - 
> > running kernel 2.6.24-23-generic , glibc - 2.7 , gcc 4.2.4) . 
> > Compilation went fine but when trying to run , I get the following error
> >
> > *** glibc detected *** /bin/tor: malloc(): memory corruption: 0x08101de8 ***
> >     
> [snip]
>   
> > Any reason why I am getting this ? How can this be fixed ?
> >     
>
> Other details of your setup or configuration? What torrc lines are you
> using? Did the ./configure output look funny at all?
>
>   
I am using the default torrc with the following lines

SocksPort 9050
SocksListenAddress 127.0.0.1

> Does it happen immediately on startup? If so, you could run it in
> valgrind and then valgrind will give you a more useful hint about what's
> going wrong. glibc isn't really very useful for this sort of thing.
>
>   
Yes this happens at startup. I didn't notice anything strange during the 
configuration

Through valgrind though it is able to start a circuit. (But not otherwise)

valgrind /bin/tor -f /etc/tor/torrc
==24176== Memcheck, a memory error detector.
==24176== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
==24176== Using LibVEX rev 1804, a library for dynamic binary translation.
==24176== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
==24176== Using valgrind-3.3.0-Debian, a dynamic binary instrumentation 
framework.
==24176== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
==24176== For more details, rerun with: -v
==24176==
Jan 18 02:54:27.299 [notice] Tor v0.2.0.32 (r17346). This is 
experimental software. Do not rely on it for strong anonymity. (Running 
on Linux i686)
Jan 18 02:54:29.028 [notice] Initialized libevent version 1.3e using 
method epoll. Good.
Jan 18 02:54:29.165 [notice] Opening Socks listener on 127.0.0.1:9050
==24176== Invalid write of size 4
==24176==    at 0x404CBFF: event_set (in /usr/lib/libevent-1.3e.so.1.0.3)
==24176==    by 0x80A5935: connection_add (main.c:135)
==24176==    by 0x806FC9B: retry_listeners (connection.c:872)
==24176==    by 0x80704E1: retry_all_listeners (connection.c:1367)
==24176==    by 0x8069C4D: set_options (config.c:1016)
==24176==    by 0x806A7DE: options_init_from_torrc (config.c:3704)
==24176==    by 0x80A4B7A: tor_init (main.c:1802)
==24176==    by 0x80A8A37: tor_main (main.c:1985)

Thanks
Sambuddho

> --Roger
>
>
>