Re: [Wrapper-user] Mac OS X - Segmentation Fault

[<da...@ix...>]

In article <3E9...@ta...>,
Leif Mortenson  <wra...@li...> wrote:
>I have not been able to figure out how free could be getting called more 
>than
>once for those variables.   They are being set to NULL immediately after 
>being
>freed.   Also that exact code has been working perfectly for well over a 
>year
>on all the other UNIX platforms.

WAG: Buffer overflow somewhere?  

Hmm... I was going to try ElectricFence, but that didn't get me very far.
Changing console() to do
exec df $WRAPPER_CMD ...
And core dump right away.

Running NodeWarrior Analytics Server...

  Electric Fence 2.2.0 Copyright (C) 1987-1999 Bruce Perens
<br...@pe...>

ElectricFence Aborting: Allocating 0 bytes, probably a bug.
/usr/bin/ef: line 20: 32496 Illegal instruction     (core dumped) ( export LD_PRELOAD=libefence.so.0.0; exec $* )

(gdb) bt
#0  0x42029331 in kill () from /lib/i686/libc.so.6
#1  0x4002ae98 in do_abort () from /usr/lib/libefence.so.0.0
#2  0x4002b10f in EF_Abort () from /usr/lib/libefence.so.0.0
#3  0x4002a541 in memalign () from /usr/lib/libefence.so.0.0
#4  0x4002ac26 in malloc () from /usr/lib/libefence.so.0.0
#5  0x0804b5d9 in wrapperLoadConfiguration ()
#6  0x0804c9b4 in main ()
#7  0x42017589 in __libc_start_main () from /lib/i686/libc.so.6

mrc

-- 
     Mike Castle      da...@ix...      www.netcom.com/~dalgoda/
    We are all of us living in the shadow of Manhattan.  -- Watchmen
fatal ("You are in a maze of twisty compiler features, all different"); -- gcc