Re: System call interposition/unprotecting the table

[Alan Cox]

On Mon, 13 Aug 2007 18:05:35 -0400
hinoue@xxxxxxxxxxxxxxxx wrote:

> I have a question about changing the page attributes of the
> system call table.

Please don't do that.

> This works fine on my debian system, but apparently the stock Fedora
> kernel (2.6.22) has the system call table write protected.  

This is to protect it from being changed by an attacker or someone trying
to do strange and bogus things to the kernel.

What are you actually trying to achieve ?
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