From: "Albert Cahalan" <acahalan@gmail.com>
To: "Pavel Machek" <pavel@ucw.cz>
Cc: linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, takedakn@nttdata.co.jp,
hch@infradead.org
Subject: Re: [TOMOYO 5/9] Memory and pathname management functions.
Date: Sat, 16 Jun 2007 05:08:46 -0400 [thread overview]
Message-ID: <787b0d920706160208u62f8a2c5q5f94f5986d755d24@mail.gmail.com> (raw)
In-Reply-To: <20070615130000.GI9442@ucw.cz>
On 6/15/07, Pavel Machek <pavel@ucw.cz> wrote:
> [Albert Cahalan]
> > It's really not worth getting bothered by. Truth is, big
> > giant
> > pathnames break lots of stuff already, both kernel and
> > userspace.
>
> > Just look in /proc for some nice juicy kernel breakage:
> > cwd, exe, fd/*, maps, mounts, mountstats, root, smaps
>
> Well, but we should be fixing that, not adding more. And /proc is
> info-only, while this is security related code.
Security tools read from /proc, so /proc is security-related.
The limit imposed by TOMOYO (or AppArmor) is fine,
despite being security-related. It just needs to fail in
the safe direction: access denied.
next prev parent reply other threads:[~2007-06-16 9:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-15 7:16 Albert Cahalan
2007-06-15 13:00 ` Pavel Machek
2007-06-16 9:08 ` Albert Cahalan [this message]
2007-06-21 18:22 ` Pavel Machek
2007-06-22 14:45 ` Albert Cahalan
-- strict thread matches above, loose matches on Subject: below --
2007-06-14 7:30 [TOMOYO 0/9] TOMOYO Linux security module Kentaro Takeda
2007-06-14 7:36 ` [TOMOYO 5/9] Memory and pathname management functions Kentaro Takeda
2007-06-14 17:34 ` Christoph Hellwig
2007-06-15 1:19 ` Toshiharu Harada
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