Re: [Gaim-devel] odd crash

[Mark D. <ma...@ki...>]

On Sat, 31 Mar 2007 21:39:06 +0400, Alexey Nezhdanov wrote
> Hello. I have experienced very odd crash in my custom build of gaim.
> I understand that it may be off-topic. If so can someone please 
> point me to the proper place to ask such question.
> 
> The essential part of the traceback is:
> #6  0x425915e9 in gaim_debug_error (category=0x6d <Address 0x6d out of 
> bounds>, format=0x0)
>     at debug.c:148
> #7  0x426ad8d6 in msn_servconn_got_error (servconn=0x1824bbc0, 
> error=MSN_SERVCONN_ERROR_NONE)
>     at servconn.c:142
> 
> As you can see - msn_servconn_got_error have called gaim_debug_error 
> with complete junk instead of first argument. BUT it really can't do 
> so. The lines 142-143 in servconn.c are:       
>  gaim_debug_error("msn", "Connection error from %s server (%s): 
> %s\n",                                          name, servconn->host,
>  reason);
> 
> Can anybody please suggest how "msn" string become corrupted during 
> simple function call? May be I am missing some compiler flag that 
> makes such strings not permanent? If it makes sense - then here is 
> my options that I am passing to gcc3.3.5: -pthread -fno-strict-
> aliasing -DNDEBUG -g -O3 -Wall -Wstrict-prototypes -fPIC

Compiling with -O3 tends to throw off stack trace information.  You may find
that a build compiled without any optimization will show a more believable
stack trace.  I guess it's also possible that you have some sort of hideous
memory corruption.

-Mark