From: Jamie Lokier <jamie@shareable.org>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Michael Kerrisk <michael.kerrisk@gmx.net>,
linux-kernel@vger.kernel.org
Subject: Re: [OT] Testing PROT_NONE and other protections, and a surprise
Date: Thu, 1 Jul 2004 15:50:04 +0100 [thread overview]
Message-ID: <20040701145004.GA5114@mail.shareable.org> (raw)
In-Reply-To: <F64265B6-CB6C-11D8-947A-000393ACC76E@mac.com>
Kyle Moffett wrote:
> >The error code is -1, aka. MAP_FAILED.
> Oops! I guess I was just lucky that part didn't fail :-D On the
> other hand, it couldn't legally return 0 anyway, could it?
Yes it could -- if you request a mapping at address 0 with MAP_FIXED.
A few OSes won't do that, but Linux and many others will.
-- Jamie
next prev parent reply other threads:[~2004-07-01 14:50 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-30 2:44 A question about PROT_NONE on ARM and ARM26 Jamie Lokier
2004-06-30 3:38 ` William Lee Irwin III
2004-07-01 3:26 ` Testing PROT_NONE and other protections, and a surprise Jamie Lokier
2004-07-01 3:35 ` William Lee Irwin III
2004-07-01 4:01 ` Jamie Lokier
2004-07-01 3:44 ` Kyle Moffett
2004-07-01 4:11 ` Jamie Lokier
2004-07-01 4:59 ` Kyle Moffett
2004-07-01 12:39 ` Jamie Lokier
2004-07-01 14:43 ` [OT] " Kyle Moffett
2004-07-01 14:50 ` Jamie Lokier [this message]
2004-07-01 15:01 ` Kyle Moffett
2004-07-01 16:37 ` Matt Mackall
2004-07-01 17:26 ` Michael Driscoll
2004-07-02 7:37 ` Gabriel Paubert
2004-07-01 12:52 ` Russell King
2004-07-01 14:26 ` Richard Curnow
2004-06-30 8:16 ` A question about PROT_NONE on ARM and ARM26 Russell King
2004-06-30 14:59 ` Jamie Lokier
2004-06-30 15:22 ` Ian Molton
2004-06-30 18:26 ` Russell King
2004-06-30 19:14 ` Jamie Lokier
2004-06-30 19:23 ` Russell King
2004-06-30 20:15 ` Jamie Lokier
2004-06-30 22:59 ` Russell King
2004-06-30 23:30 ` Jamie Lokier
2004-06-30 23:48 ` Ian Molton
2004-07-01 1:59 ` Jamie Lokier
2004-07-01 1:05 ` Nicolas Pitre
2004-07-01 1:50 ` Jamie Lokier
2004-07-02 18:39 ` Russell King
2004-07-01 15:27 ` Scott Wood
2004-07-01 23:53 ` Jamie Lokier
2004-07-02 14:36 ` Scott Wood
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