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Date: Thu, 3 Jun 2010 09:42:21 +0800
Message-ID: <AANLkTikWCDptyzts8wC2Rf7SMr5HvrHdVd5BniNnbHhb@mail.gmail.com>
Subject: Re: [PATCH v4] fs: allow protected cross-uid sticky symlinks
From: Dave Young <hidave.darkstar@gmail.com>
To: Kees Cook <kees.cook@canonical.com>
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>
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On Thu, Jun 3, 2010 at 9:18 AM, Kees Cook <kees.cook@canonical.com> wrote:
> 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> wrote:
>> > v2:
>> >  - moved sysctl extern into security.h.
>>
>> Not in v4?
>>
>> > v3:
>> >  - move into VFS core.
>> >  - 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).

Then linux/fs.h is the place to go
sysctl_nr_open_min and sysctl_nr_open_max can go there as well.

>
> -Kees
>
> --
> Kees Cook
> Ubuntu Security Team
>


-- 
Regards
dave
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