From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kees Cook <kees.cook@canonical.com>
Subject: Re: [PATCH v4] fs: allow protected cross-uid sticky symlinks
Date: Wed, 2 Jun 2010 18:18:40 -0700
Message-ID: <20100603011840.GA4971@outflux.net>
References: <20100602222302.GC6554@outflux.net>
 <AANLkTinnzPBlbB6q2v9Bfg55Rum809ko-K0ecWQJwWbB@mail.gmail.com>
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Cc: Al Viro <viro@zeniv.linux.org.uk>, Eric Paris <eparis@redhat.com>,
	Christoph Hellwig <hch@infradead.org>,
	James Morris <jmorris@namei.org>, linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org,
	Randy Dunlap <rdunlap@xenotime.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jiri Kosina <jkosina@suse.cz>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	David Howells <dhowells@redhat.com>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Tim Gardner <tim.gardner@canonical.com>,
	"Serge E. Hallyn" <serue@us.ibm.com>
To: Dave Young <hidave.darkstar@gmail.com>
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Hi,

On Thu, Jun 03, 2010 at 08:51:28AM +0800, Dave Young wrote:
> On Thu, Jun 3, 2010 at 6:23 AM, Kees Cook <kees.cook@canonical.com> w=
rote:
> > v2:
> > =A0- moved sysctl extern into security.h.
>=20
> Not in v4?
>=20
> > v3:
> > =A0- move into VFS core.
> > =A0- rename sysctl, invert logic.

Right, as part of the "move out of security/" the sysctl moved to live =
in
fs/namei.c (and therefore needed an extern in kernel/sysctl.c).

-Kees

--=20
Kees Cook
Ubuntu Security Team