linux-kernel - Re: System call interposition/unprotecting the table

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Message-ID: <Pine.LNX.4.64.0708140718130.32349@us.intercode.com.au>
Date:	Tue, 14 Aug 2007 07:22:31 -0700 (PDT)
From:	James Morris <jmorris@...ei.org>
To:	Avi Kivity <avi@...o.co.il>
cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, hinoue@...l.carleton.ca,
	linux-kernel@...r.kernel.org
Subject: Re: System call interposition/unprotecting the table

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@...ei.org>
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