From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mimi Zohar <zohar@us.ibm.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>,
David Safford <safford@us.ibm.com>,
kjhall@us.ibm.com, linux-kernel <linux-kernel@vger.kernel.org>,
LSM ML <linux-security-module@vger.kernel.org>,
Serge E Hallyn <sergeh@us.ibm.com>
Subject: Re: [PATCH 3/7] SLIM main patch
Date: Thu, 24 Aug 2006 23:13:59 +0100 [thread overview]
Message-ID: <1156457640.3007.196.camel@localhost.localdomain> (raw)
In-Reply-To: <OFBA8851BE.520FA69E-ON852571D4.006E9AA6-852571D4.005C4E99@us.ibm.com>
Ar Iau, 2006-08-24 am 16:41 -0400, ysgrifennodd Mimi Zohar:
> Alan Cox <alan@lxorguk.ukuu.org.uk> wrote on 08/24/2006 10:15:17 AM:
> revoke_mmap_wperm() walks current->mm->mmap and removes
> the file write permission using do_mprotect().
That is fine for threads of "current" but the pages may be shared
between processes, and there are other fun cases where you can "park"
data in objects and let someone open them later to recover the data (eg
the console)
> We have test shmem and mmap programs in the ltp framework that
> show this actually works.
Cool.
next prev parent reply other threads:[~2006-08-24 21:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 19:05 [PATCH 3/7] SLIM main patch Kylene Jo Hall
2006-08-23 19:27 ` Benjamin LaHaise
2006-08-23 20:35 ` Kylene Jo Hall
2006-08-23 20:41 ` Benjamin LaHaise
2006-08-23 22:20 ` Kylene Jo Hall
2006-08-24 8:31 ` Arjan van de Ven
2006-08-24 11:26 ` Alan Cox
2006-08-24 13:32 ` Serge E. Hallyn
2006-08-24 13:37 ` Benjamin LaHaise
2006-08-24 13:58 ` Serge E. Hallyn
2006-08-24 14:00 ` Benjamin LaHaise
2006-08-24 14:16 ` Serge E. Hallyn
2006-08-24 14:15 ` Alan Cox
2006-08-24 15:23 ` Serge E. Hallyn
2006-08-24 17:05 ` Alan Cox
2006-08-24 17:34 ` David Safford
2006-08-24 19:16 ` Serge E. Hallyn
2006-08-24 20:21 ` David Safford
2006-08-24 20:41 ` Mimi Zohar
2006-08-24 22:13 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-09-12 17:57 Kylene Jo Hall
2006-09-14 23:52 ` Andrew Morton
2006-09-15 16:57 ` Kylene Jo Hall
2006-09-26 18:44 ` Stephen Smalley
2006-10-19 20:48 ` Kylene Jo Hall
2006-10-20 15:32 ` Stephen Smalley
2006-10-20 17:58 ` Stephen Smalley
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