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

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Message-ID: <46C139BD.1030607@argo.co.il>
Date:	Tue, 14 Aug 2007 08:12:29 +0300
From:	Avi Kivity <avi@...o.co.il>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	hinoue@...l.carleton.ca, linux-kernel@...r.kernel.org
Subject: Re: System call interposition/unprotecting the table

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.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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