linux-kernel - Re: Really good idea to allow mmap(0, FIXED)?

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Message-ID: <Pine.LNX.4.61.0610060739520.12702@yvahk01.tjqt.qr>
Date:	Fri, 6 Oct 2006 07:39:56 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	David Wagner <daw-usenet@...erner.cs.berkeley.edu>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Really good idea to allow mmap(0, FIXED)?

>>Is is really a good idea to allow processes to remap something
>>to address 0?
>>I say no, because this can potentially be used to turn rather harmless
>>kernel bugs into a security vulnerability.
>
>Let me see if I understand.  If the kernel does this somewhere:
[...]

For reference, please see http://lkml.org/lkml/2006/2/22/90

	-`J'
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