linux-kernel - Re: [PATCH][UML] Boot broken due to buffer overrun

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Message-Id: <20081202121707.e1623f89.akpm@linux-foundation.org>
Date:	Tue, 2 Dec 2008 12:17:07 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	balbir@...ux.vnet.ibm.com
Cc:	penberg@...helsinki.fi, jdike@...toit.com,
	linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net, stable@...nel.org
Subject: Re: [PATCH][UML] Boot broken due to buffer overrun

On Sat, 29 Nov 2008 17:50:39 +0530
Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:

> * Pekka Enberg <penberg@...helsinki.fi> [2008-11-29 12:21:46]:
> 
> > Hi Balbir,
> > 
> > On Sat, Nov 29, 2008 at 12:08 PM, Balbir Singh
> > <balbir@...ux.vnet.ibm.com> wrote:
> > > mconsole_init() passed 256 bytes as length in os_create_unix_socket, while
> > > the sizeof UNIX_PATH_MAX is 108. This patch fixes that problem and avoids
> > > a big overrun bug reported on UML bootup.
> > 
> > Maybe mention that ->sun_path in struct sockaddr_un is UNIX_PATH_MAX
> > long which causes the problem?
> >
> 
> Yes, the changelog can definitely add that to the changelog, I'll
> resend the patch if Jeff asks for it.

Jeff's been quiet lately - I'll merge this one.

I also tagged it for -stable, subject to Jeff's OK.  I'm wondering why
this wasn't observed in earlier kernels?

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