linux-kernel - Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching

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Date:	Fri, 15 Jun 2007 17:07:15 -0700
From:	Seth Arnold <seth.arnold@...e.de>
To:	Pavel Machek <pavel@....cz>
Cc:	Greg KH <greg@...ah.com>, Crispin Cowan <crispin@...ell.com>,
	Andreas Gruenbacher <agruen@...e.de>,
	Stephen Smalley <sds@...ho.nsa.gov>, jjohansen@...e.de,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching

On Sat, Jun 16, 2007 at 01:39:14AM +0200, Pavel Machek wrote:
> > Pavel, please focus on the current AppArmor implementation. You're
> > remembering a flaw with a previous version of AppArmor. The pathnames
> > constructed with the current version of AppArmor are consistent and
> > correct.
> 
> Ok, I did not know that this got fixed.
> 
> How do you do that? Hold a lock preventing renames for a whole time
> you walk from file to the root of filesystem?

We've improved d_path() to remove many of its previous shortcomings:

eb3dfb0cb1f4a44e2d0553f89514ce9f2a9fcaf1

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