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Date: Fri, 04 Aug 2006 16:14:53 -0700
From: Maxim Sobolev <sobomax@FreeBSD.org>
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To: Marcel Moolenaar <marcel@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/usr.sbin/kldxref kldxref.c
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Thanks! I saw this crash as well, but did not have a gdb working to 
inspect the core file at that time.

-Maxim

Marcel Moolenaar wrote:
> marcel      2006-08-04 21:28:43 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     usr.sbin/kldxref     kldxref.c 
>   Log:
>   Fix (static) buffer overflow bug. The dest buffer is of size MAXPATHLEN,
>   so dest[MAXPATHLEN] falls outside the buffer.  This bug corrupted
>   arenas[0] defined in libc's malloc.c on PowerPC when kldxref is shared,
>   which triggered a delayed SIGSERV.
>   
>   Revision  Changes    Path
>   1.13      +1 -1      src/usr.sbin/kldxref/kldxref.c
> 
>