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List:       gentoo-dev
Subject:    [gentoo-dev] Porting PaX to the ia64
From:       Ned Ludd <solar () gentoo ! org>
Date:       2003-08-31 14:58:55
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Quote from the PaX docs.
----------------------------------------------------------------------
The goal of the PaX project is to research various defense mechanisms
against the exploitation of software bugs that give an attacker
arbitrary read/write access to the attacked task's address space. This
class of bugs contains among others various forms of buffer overflow
bugs (be they stack or heap based), user supplied format string bugs,
etc.
----------------------------------------------------------------------

If you have an ia64 and your bold, brave and want to be on the bleeding
edge of security solutions then your in luck. The PaX Team has come up
with with an experimental patch for the ia64 that needs some testing
from a few somebody's that own or have root access to ia64

Grab yourself these three files to begin testing.
* ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-2.4.22.tar.bz2
* http://pageexec.virtualave.net/pax-linux-2.4.22-200308271615.patch
* http://grsecurity.net/~paxguy1/pax-linux-2.4.22.patch.ia64

unpack the kernel
add the pax-linux-2.4.22-200308271615.patch
add the pax-linux-2.4.22.patch.ia64

Enable pax in your kernel with as many options as your willing to help
test.

Compile the kernel

# make menuconfig 
# make dep bzImage modules modules_install
tell your bootloader to use the arch/ia64/bzImage file

reboot and report success/failures via email to pageexec@freemail.hu and
or real-time on irc.freenode.net in #pax

-- 
Ned Ludd <solar@gentoo.org>
Gentoo Linux Developer (Hardened)

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