linux-kernel - Re: [PATCH] prctl: Use CAP_SYS_RESOUCE for PR_SET

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Date:	Wed, 07 Mar 2012 21:29:28 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] prctl: Use CAP_SYS_RESOUCE for PR_SET_MM option

On Wed, 2012-03-07 at 16:52 +0400, Cyrill Gorcunov wrote:
> CAP_SYS_ADMIN is already overloaded left and right,
> so to have more finegrained access control use
> CAP_SYS_RESOUCE here.
> 
> The CAP_SYS_RESOUCE is chosen because this prctl
> option allows a current process to adjust some
> fields of memory map descriptor which rather
> represent what the process owns: pointers to
> code, data, stack segments, command line,
> auxilary vector data and etc.

Nitpicking: s/CAP_SYS_RESOUCE/CAP_SYS_RESOURCE/ in both the commit
summary and the commit explanation. (And if you change that you might
also do a s/auxilary/auxiliary/ in the commit explanation.)


Paul Bolle

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