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From: Kasper Dupont <kasperd@daimi.au.dk>
To: Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Announcement] "Exec Shield", new Linux security feature
Date: Sun, 04 May 2003 22:57:41 +0200	[thread overview]
Message-ID: <3EB57EC5.7BC7E0F@daimi.au.dk> (raw)
In-Reply-To: Pine.LNX.4.44.0305021217090.17548-100000@devserv.devel.redhat.com

Ingo Molnar wrote:
> 
> the first 1MB of the ASCII-armor is left unused to provide NULL pointer
> dereference protection and leave space for 16-bit emulation mappings used
> by XFree86 and others.

But in some cases you need 1MB+64KB. I think you should change the
start address from 0x00101000 to 0x00111000 so it does not overlap
the address space addressable from virtual 86 mode.

-- 
Kasper Dupont -- der bruger for meget tid på usenet.
For sending spam use mailto:aaarep@daimi.au.dk
for(_=52;_;(_%5)||(_/=5),(_%5)&&(_-=2))putchar(_);

  parent reply	other threads:[~2003-05-04 20:45 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-02 16:37 [Announcement] "Exec Shield", new Linux security feature Ingo Molnar
2003-05-02 17:05 ` Matthias Andree
2003-05-02 17:12   ` Marc-Christian Petersen
2003-05-02 17:12 ` Davide Libenzi
2003-05-02 17:18   ` Arjan van de Ven
2003-05-02 17:32     ` Ingo Molnar
2003-05-02 18:29       ` John Bradford
2003-05-02 18:32         ` H. Peter Anvin
2003-05-02 19:09         ` David Mosberger
2003-05-02 18:51       ` Davide Libenzi
     [not found]   ` <20030502172011$0947@gated-at.bofh.it>
2003-05-02 18:17     ` Florian Weimer
2003-05-02 18:29       ` Davide Libenzi
2003-05-02 18:32         ` Florian Weimer
2003-05-02 18:50           ` Davide Libenzi
2003-05-02 21:48 ` Carl-Daniel Hailfinger
2003-05-03  6:52   ` Ingo Molnar
2003-05-03  9:56     ` Carl-Daniel Hailfinger
2003-05-03 12:48       ` Arjan van de Ven
2003-05-04  6:52     ` Calin A. Culianu
2003-05-04  8:10       ` Ingo Molnar
2003-05-04  8:52         ` Ingo Molnar
2003-05-04 15:40           ` Calin A. Culianu
2003-05-04 15:48             ` Sean Neakums
2003-05-04 15:23         ` Calin A. Culianu
2003-05-04 20:07       ` H. Peter Anvin
2003-05-04 20:57 ` Kasper Dupont [this message]
2003-05-05 16:20 ` [patch] exec-shield-2.4.21-rc1-C5 Ingo Molnar
     [not found] <Pine.LNX.4.44.0305021325130.6565-100000@devserv.devel.redhat.com.suse.lists.linux.kernel>
     [not found] ` <200305021829.h42ITclA000178@81-2-122-30.bradfords.org.uk.suse.lists.linux.kernel>
     [not found]   ` <b8udjm$cgq$1@cesium.transmeta.com.suse.lists.linux.kernel>
2003-05-02 20:51     ` [Announcement] "Exec Shield", new Linux security feature Andi Kleen
2003-05-02 20:56       ` H. Peter Anvin
2003-05-02 21:07         ` Andi Kleen
2003-05-02 21:09           ` H. Peter Anvin
2003-05-02 21:25             ` Andi Kleen
  -- strict thread matches above, loose matches on Subject: below --
2003-05-02 22:46 Chuck Ebbert
2003-05-03 13:19 linux
2003-05-03 23:00 ` Valdis.Kletnieks
2003-05-04  7:03   ` Calin A. Culianu
2003-05-04  8:49     ` Arjan van de Ven
2003-05-05 13:35     ` Jesse Pollard
2003-05-04 15:24   ` linux
2003-05-04 11:19 Yoav Weiss
2003-05-04 13:51 ` Ingo Molnar
2003-05-04 14:25 Chuck Ebbert
2003-05-04 22:22 ` Richard Henderson
2003-05-05  0:41   ` H. Peter Anvin
     [not found] <Pine.LNX.4.44.0305040404300.12757-100000@devserv.devel.redhat.com.suse.lists.linux.kernel>
     [not found] ` <Pine.LNX.4.44.0305040448250.24497-100000@devserv.devel.redhat.com.suse.lists.linux.kernel>
2003-05-04 15:48   ` Andi Kleen
2003-05-04 16:20 Yoav Weiss
2003-05-04 23:55 Chuck Ebbert
2003-05-05  3:14 ` H. Peter Anvin
2003-05-05  7:14 Ingo Molnar

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