linux-kernel - Re: [Patch] proc: drop write permission on 'timer

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Message-Id: <1250502847.5038.16.camel@penberg-laptop>
Date:	Mon, 17 Aug 2009 12:54:07 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Amerigo Wang <amwang@...hat.com>, linux-kernel@...r.kernel.org,
	Vegard Nossum <vegard.nossum@...il.com>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	Thomas Gleixner <tglx@...utronix.de>, linux-mm@...ck.org,
	Christoph Lameter <cl@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Matt Mackall <mpm@...enic.com>,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: Re: [Patch] proc: drop write permission on 'timer_list' and
 'slabinfo'

On Mon, 2009-08-17 at 11:48 +0200, Ingo Molnar wrote:
> * Amerigo Wang <amwang@...hat.com> wrote:
> 
> > /proc/timer_list and /proc/slabinfo are not supposed to be 
> > written, so there should be no write permissions on it.
> 
> good catch!
> 
> > --- a/kernel/time/timer_list.c
> > +++ b/kernel/time/timer_list.c
> 
> I have applied the timer_list bits to the timer tree. The SLUB/SLAB 
> bits should go into the SLAB tree i guess.

Yeah, I'll grab the slab parts to slab.git if I don't see a separate
patch in my inbox when I get home. Thanks!

			Pekka

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