linux-kernel - Re: [PATCH 1/2] sysctl: fix incorrect write position handling

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Message-ID: <20140320015634.GH3132@tassilo.jf.intel.com>
Date:	Wed, 19 Mar 2014 18:56:34 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Kees Cook <keescook@...omium.org>, Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Aaron Tomlin <atomlin@...hat.com>,
	Andrew Shewmaker <agshew@...il.com>,
	Li Zefan <lizefan@...wei.com>,
	Dario Faggioli <raistlin@...ux.it>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>,
	"David S. Miller" <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Willem de Bruijn <willemb@...gle.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] sysctl: fix incorrect write position handling

> 
> Why are we fixing this?

Also sysctl writes are root only anyways.

Protecting root against root? Seems odd.

-Andi
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