From: James Morris <jmorris@namei.org>
To: Avi Kivity <avi@argo.co.il>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
hinoue@ccsl.carleton.ca, linux-kernel@vger.kernel.org
Subject: Re: System call interposition/unprotecting the table
Date: Tue, 14 Aug 2007 07:22:31 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0708140718130.32349@us.intercode.com.au> (raw)
In-Reply-To: <46C139BD.1030607@argo.co.il>
On Tue, 14 Aug 2007, Avi Kivity wrote:
> Alan Cox wrote:
> > This is to protect it from being changed by an attacker or someone trying
> > to do strange and bogus things to the kernel.
> >
>
> Someone who apparently hasn't heard of vmap(), etc.
>
> It's a debug aid at best.
It clarifies to all developers that the syscall table should not be messed
with.
- James
--
James Morris
<jmorris@namei.org>
next prev parent reply other threads:[~2007-08-14 14:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-13 22:05 System call interposition/unprotecting the table hinoue
2007-08-13 23:09 ` Alan Cox
2007-08-14 5:12 ` Avi Kivity
2007-08-14 11:34 ` Alan Cox
2007-08-14 14:22 ` James Morris [this message]
2007-08-14 17:27 ` Hajime Inoue
2007-08-14 17:48 ` Alan Cox
2007-08-14 17:57 ` Arjan van de Ven
2007-08-14 19:50 ` Andi Kleen
2007-08-14 21:09 ` Jan Engelhardt
2007-08-14 22:42 ` Alan Cox
2007-08-14 22:48 ` Andi Kleen
2007-08-17 14:19 ` Dave Jones
2007-08-18 10:37 ` Andi Kleen
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