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To: gentoo-security List <gentoo-security@g.o>
From: Lesley van Zijl <zyl@...>
Subject: grsecurity + usermode Linux + skas ?
Date: Thu, 29 Jan 2004 12:07:05 +0100
I want to play around with usermode linux, So I am reading the docs  and 
patching the kernels etc.
But I noticed that I couldn't patch the grsec-sources with the skas 
patch(1), the skas patch isn't that long (about 570 lines)
so I thought maybe I can look into the patch and see what is going wrong 
and adjust the patch so that it is able to patch my kernel tree.
But since it's 'the kernel' I am pretty afraid that I would do something 
really stupid :)

I only use the kernel options for grsec, not (yet) any acl's.

Does anyone have any experience with this or can anyone tell me what I 
can break or just tell me to stay away from it because it isn't going to 
help
security in any way.
My idea was to apply grsec on both the uml kernel and on my host kernel, 
but first the host

The files that fail are:
mm/mprotect.c
include/linux/mm.h
arch/i386/kernel/sys_i386.c

regards,
Lesley van Zijl

1. http://user-mode-linux.sourceforge.net/skas.html

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-- Ned Ludd
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Updated Jun 17, 2009

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