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From: Stefanos Harhalakis <v13@priest.com>
To: Jesper Juhl <juhl-lkml@dif.dk>
Cc: Robert White <rwhite@casabyte.com>,
	"'Ingo Molnar'" <mingo@elte.hu>,
	"'Christoph Hellwig'" <hch@infradead.org>,
	"'Mike McCormack'" <mike@codeweavers.com>,
	linux-kernel@vger.kernel.org
Subject: Re: WINE + NX (No eXecute) support for x86, 2.6.7-rc2-bk2
Date: Thu, 10 Jun 2004 21:07:47 +0300	[thread overview]
Message-ID: <200406102107.53776.v13@priest.com> (raw)
In-Reply-To: <Pine.LNX.4.56.0406091911340.26677@jjulnx.backbone.dif.dk>

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On Wednesday 09 June 2004 20:14, Jesper Juhl wrote:
> On Tue, 8 Jun 2004, Robert White wrote:
> > I would think that having an easy call to disable the NX modification
> > would be both safe and effective.  That is, adding a syscall (or
> > whatever) that would let you mark your heap and/or stack executable while
> > leaving the new default as NX, is "just as safe" as flagging the
> > executable in the first place.
>
> Just having the abillity to turn protection off opens the door. If it is
> possible to turn it off then a way will be found to do it - either via
> buggy kernel code or otherwhise. Only safe approach is to have it
> enabled by default and not be able to turn it off IMHO.

What about turning it on and don't be able to turn it off again?

> Jesper Juhl <juhl-lkml@dif.dk>
<<V13>>

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  parent reply	other threads:[~2004-06-10 18:09 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-06  6:09 WINE + NX (No eXecute) support for x86, 2.6.7-rc2-bk2 Mike McCormack
2004-06-06  5:26 ` Ingo Molnar
2004-06-06  8:29   ` Mike McCormack
2004-06-06  7:32     ` Arjan van de Ven
2004-06-08  9:20       ` Jakub Jelinek
2004-06-08 11:15         ` Mike McCormack
2004-06-08 10:32           ` Ingo Molnar
2004-06-08 12:01             ` Mike McCormack
2004-06-09  1:40             ` John Reiser
2004-06-09  2:27               ` Paul Jackson
2004-06-06  7:32 ` Christoph Hellwig
2004-06-06  9:13   ` Mike McCormack
2004-06-06  8:10     ` Christoph Hellwig
2004-06-06  9:37       ` Mike McCormack
2004-06-06  8:39         ` Christoph Hellwig
2004-06-06  8:43           ` Christoph Hellwig
2004-06-06 10:20             ` Mike McCormack
2004-06-06 11:17             ` Felipe Alfaro Solana
2004-06-07  4:20         ` Horst von Brand
2004-06-07 14:19       ` Ingo Molnar
2004-06-08 21:50         ` Robert White
2004-06-08 21:57           ` Robert White
2004-06-09 16:53           ` Jesse Pollard
2004-06-09 20:53             ` Robert White
2004-06-10 13:35               ` Jesse Pollard
2004-06-10 21:13                 ` Robert White
2004-06-11  9:50                   ` Marc Bevand
2004-06-09 17:14           ` Jesper Juhl
2004-06-09 18:02             ` Evaldo Gardenali
2004-06-09 19:58             ` Felipe Alfaro Solana
2004-06-10 18:07             ` Stefanos Harhalakis [this message]
2004-06-06 11:38     ` David Woodhouse
2004-06-06 15:58       ` Mike McCormack
2004-06-07  8:49       ` David Howells
     [not found] <23Y4Y-6F5-1@gated-at.bofh.it>
     [not found] ` <240qb-8ir-7@gated-at.bofh.it>
     [not found]   ` <240Tc-gV-5@gated-at.bofh.it>
     [not found]     ` <2412S-pU-3@gated-at.bofh.it>
     [not found]       ` <24vX0-81P-7@gated-at.bofh.it>
2004-06-07 17:40         ` Andi Kleen
2004-06-08  9:42           ` Eric W. Biederman
     [not found]         ` <24WNz-4pO-3@gated-at.bofh.it>
2004-06-10 18:57           ` Bill Davidsen
2004-06-10 21:33             ` Robert White

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