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From: Andreas Steinmetz <ast@domdv.de>
To: "H. J. Lu" <hjl@lucon.org>
Cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: How to make stack executable on demand?
Date: Fri, 16 Apr 2004 20:07:30 +0200	[thread overview]
Message-ID: <408020E2.9060900@domdv.de> (raw)
In-Reply-To: <20040416170915.GA20260@lucon.org>

H. J. Lu wrote:
> is set with executable stack. Is there a third option that a process
> starts with non-executable stack and can change the stack permission
> later?
> 

Well, in my opinion your request is equivalent to "keep all these cute 
buffer overflows forever". Take any protected app, LD_PRELOAD or drop in 
a bad/malicious library and your're done for good. Not really a good idea.
-- 
Andreas Steinmetz                       SPAMmers use robotrap@domdv.de

  reply	other threads:[~2004-04-16 18:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-16 17:09 How to make stack executable on demand? H. J. Lu
2004-04-16 18:07 ` Andreas Steinmetz [this message]
2004-04-16 19:40   ` H. J. Lu
2004-04-19 14:39   ` Pavel Machek
2004-04-16 20:02 ` Arjan van de Ven
2004-04-16 20:46   ` H. J. Lu
2004-04-16 20:57     ` Dave Jones
2004-04-17  7:13     ` Arjan van de Ven
2004-04-19  0:08     ` Jamie Lokier

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