linux-kernel - Re: [PATCH v2011.1] fs: symlink restrictions on sticky directories

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Message-ID: <CAGXu5j+sfMLnH+j7Rhq=T-FN6ZMsznAybzAyCMDjw1kY-0PmDg@mail.gmail.com>
Date:	Wed, 7 Dec 2011 10:26:32 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-doc@...r.kernel.org, Rik van Riel <riel@...hat.com>,
	Federica Teodori <federica.teodori@...glemail.com>,
	Lucian Adrian Grijincu <lucian.grijincu@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Eric Paris <eparis@...hat.com>,
	Dan Rosenberg <drosenberg@...curity.com>,
	kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v2011.1] fs: symlink restrictions on sticky directories

On Wed, Dec 7, 2011 at 10:22 AM, Randy Dunlap <rdunlap@...otime.net> wrote:
> On 12/06/2011 03:58 PM, Kees Cook wrote:
>> +       Enabling this solves the problem by permitting symlinks to only
>
> better:
>
>          Enabling this solves the problem by permitting symlinks to be followed
>          only when the uid ...
>
>> + * It will permit symlinks to only be followed when outside a sticky
>
> similar:
>
>      It will permit symlinks to be followed only when outside a sticky

Thanks! I'll update these.

-Kees

-- 
Kees Cook
ChromeOS Security
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