linux-kernel - Re: 2.6.23-rc6-mm1

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Date:	Wed, 19 Sep 2007 20:48:18 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	Miles Lane <miles.lane@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: 2.6.23-rc6-mm1

> Hi Sam,
> 
> I can reproduce this bug on Frugalware Linux. 
> 
> Here the bt:
> 
> Program received signal SIGSEGV, Segmentation fault.                                                     
> 0xb7dc4143 in strlen () from /lib/libc.so.6                                                                                                                                       
> (gdb) bt                                                                                                                                                                          
> #0  0xb7dc4143 in strlen () from /lib/libc.so.6                                                                                                                                   
> #1  0x0804fd60 in str_append (gs=0xbfe4f6e8, s=0x0) at scripts/kconfig/util.c:87                                                                                                  
So the string is null and we call strlen(null) => boom.

Thanks - will post a fix in a few minutes.
Need to investigate a bit more why I do not see the crash even
though I updated to ubuntu gutsy to check it out?!?

	Sam
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