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Date:      Mon, 10 Feb 1997 17:46:03 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        freebsd-security@FreeBSD.org, roberto@keltia.freenix.fr
Subject:   Re: buffer overruns
Message-ID:  <199702100646.RAA25451@godzilla.zeta.org.au>

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>The easiest way to close all this bugs is to make the stack non executable
>(from a processor standpoint) but I'm not sure you can do it in Intel
>processors.

Non-executable stack and data segments are natural for Intel processors.
I remember when I first tried crashme under Minix.  It went nowhere
because the data/stack segment was separate from the code segment (and
execute-protected).  I had to compile crashme with common I&D to work.

Bruce



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