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From: Avi Kivity <avi@argo.co.il>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: hinoue@ccsl.carleton.ca, linux-kernel@vger.kernel.org
Subject: Re: System call interposition/unprotecting the table
Date: Tue, 14 Aug 2007 08:12:29 +0300	[thread overview]
Message-ID: <46C139BD.1030607@argo.co.il> (raw)
In-Reply-To: <20070814000956.7c8929dd@the-village.bc.nu>

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.


  reply	other threads:[~2007-08-14  5:13 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 [this message]
2007-08-14 11:34     ` Alan Cox
2007-08-14 14:22     ` James Morris
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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