linux-kernel - Re: [PATCH] sysctl: fix restrict write access to dmesg

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Message-ID: <4F7646DC.8090802@nod.at>
Date:	Sat, 31 Mar 2012 01:50:52 +0200
From:	Richard Weinberger <richard@....at>
To:	Phillip Lougher <plougher@...hat.com>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dan Rosenberg <drosenberg@...curity.com>,
	"Serge E. Hallyn" <serge@...lyn.com>, Eugene Teo <eteo@...hat.com>,
	Eric Paris <eparis@...hat.com>,
	James Morris <jmorris@...ei.org>,
	Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] sysctl: fix restrict write access to dmesg_restrict

Am 31.03.2012 01:43, schrieb Phillip Lougher:
> Commit bfdc0b4 adds code to restrict access to dmesg_restrict,
> however, it incorrectly alters kptr_restrict rather than
> dmesg_restrict.
> 
> The original patch from Richard Weinberger
> (https://lkml.org/lkml/2011/3/14/362) alters dmesg_restrict as
> expected, and so the patch seems to have been misapplied.
> 

Hmm, indeed.
Any idea how this could happen, Andrew?

Thanks,
//richard


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