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From: Chris Wright <chrisw@osdl.org>
To: David Wagner <daw-usenet@taverner.CS.Berkeley.EDU>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] getrusage sucks
Date: Fri, 11 Nov 2005 16:53:33 -0800	[thread overview]
Message-ID: <20051112005333.GC7991@shell0.pdx.osdl.net> (raw)
In-Reply-To: <dl3ad7$ikf$2@taverner.CS.Berkeley.EDU>

* David Wagner (daw@cs.berkeley.edu) wrote:
> Chris Wright  wrote:
> >It's already available via /proc w/out protection.  And ditto via posix
> >cpu timers.
> 
> If so, maybe that code should be fixed.  Where exactly in /proc would
> I find the getrusage() info of another process?

Just from /proc/[pid]/stat. (fs/proc/array.c::do_task_stat).

> Is there any argument
> that disclosing it to everyone is safe?  Or is it just that no one has
> ever given the security considerations much thought up till now?

I guess it keeps falling in the "too theoretical" category.  It can be
protected by policy, but default is open.

thanks,
-chris

  reply	other threads:[~2005-11-12  0:53 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-10 23:47 [PATCH] getrusage sucks Hua Zhong (hzhong)
2005-11-11  0:23 ` Claudio Scordino
2005-11-11  0:32   ` Magnus Naeslund(f)
2005-11-11  1:11     ` Claudio Scordino
2005-11-11 13:30       ` Alan Cox
2005-11-11 22:38         ` Claudio Scordino
2005-11-11 23:23           ` Alan Cox
2005-11-11 23:02             ` Chris Wright
2005-11-11 23:44               ` David Wagner
2005-11-12  0:53                 ` Chris Wright [this message]
2005-11-12  6:37                   ` David Wagner
2005-11-11 23:58               ` Alan Cox
2005-11-11 23:43                 ` Claudio Scordino
2005-11-11 23:49                   ` dean gaudet
2005-11-12  1:10                     ` Chris Wright
2005-11-12 15:10                       ` making makefile for 2.6 kernel anil dahiya
2005-11-12 15:16                       ` anil dahiya
2005-11-12 22:19                         ` Sam Ravnborg
2005-11-13  1:34                       ` [PATCH] getrusage sucks Claudio Scordino
2005-11-15 16:56                       ` Claudio Scordino
2005-11-15 17:00                       ` New getrusage Claudio Scordino
2005-11-11 23:08             ` [PATCH] getrusage sucks Claudio Scordino
2005-11-11 23:41           ` David Wagner
2005-11-15  1:08       ` Peter Chubb
  -- strict thread matches above, loose matches on Subject: below --
2005-11-15 18:25 linux
2005-11-11 23:49 Hua Zhong (hzhong)
2005-11-10 22:34 Claudio Scordino
2005-11-11  5:06 ` David Wagner
2005-11-11 19:09   ` Lee Revell
2005-11-11 19:13     ` David Wagner

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