From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Modprobe local root exploit
Date: 15 Nov 2000 22:04:47 -0800 [thread overview]
Message-ID: <8uvtdv$c3q$1@cesium.transmeta.com> (raw)
In-Reply-To: <14864.6812.849398.988598@ns.caldera.de> <E13wHVO-0007VB-00@the-village.bc.nu>
Followup to: <E13wHVO-0007VB-00@the-village.bc.nu>
By author: Alan Cox <alan@lxorguk.ukuu.org.uk>
In newsgroup: linux.dev.kernel
>
> > >> + if ((*p & 0xdf) >= 'a' && (*p & 0xdf) <= 'z') continue;
> >
> > Francis> Just in case... Some modules have uppercase letters too :)
> >
> > That's what the &0xdf is intended for...
>
> That looks wrong for UTF8 which is technically what the kernel uses 8)
>
No, it's correct, actually, but probably not what you want. It will
include all letters [A-Za-z], but if a module named "ärlig"...
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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next prev parent reply other threads:[~2000-11-16 6:35 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-13 14:37 Modprobe local root exploit Gregory Maxwell
2000-11-13 16:26 ` Torsten Duwe
2000-11-13 16:44 ` Francis Galiegue
2000-11-13 16:45 ` Torsten Duwe
2000-11-13 16:56 ` Chris Evans
2000-11-13 17:21 ` Jan Dvorak
2000-11-13 18:11 ` Torsten Duwe
2000-11-14 5:02 ` Peter Samuelson
2000-11-14 5:50 ` Keith Owens
2000-11-14 9:19 ` Florian Weimer
2000-11-14 10:42 ` Malcolm Beattie
2000-11-14 10:54 ` Jakub Jelinek
2000-11-14 11:58 ` Chris Evans
2000-11-14 10:58 ` Keith Owens
2000-11-14 12:28 ` Nick Holloway
2000-11-14 14:01 ` David Woodhouse
2000-11-14 1:35 ` Horst von Brand
2000-11-13 19:46 ` Peter Samuelson
2000-11-14 11:29 ` Daniel Phillips
2000-11-14 14:23 ` Daniel Phillips
2000-11-14 16:25 ` David Relson
2000-11-15 4:09 ` Horst von Brand
2000-11-16 5:22 ` Alan Cox
2000-11-16 6:04 ` H. Peter Anvin [this message]
2000-11-16 6:14 ` Keith Owens
2000-11-16 6:16 ` H. Peter Anvin
2000-11-16 14:12 ` Torsten Duwe
2000-11-16 15:07 ` Alan Cox
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