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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070615233914.GF2616@elf.ucw.cz>
Date:	Sat, 16 Jun 2007 01:39:14 +0200
From:	Pavel Machek <pavel@....cz>
To:	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

Hi!

> > Yes, you may get some -EPERM during the tree move, but AA has that
> > problem already, see that "when madly moving trees we sometimes
> > construct path file never ever had".
> 
> 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?
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/