From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Ingo Molnar <mingo@elte.hu>,
James Morris <jmorris@namei.org>,
linux-kernel@vger.kernel.org, Kyle McMartin <kyle@mcmartin.ca>,
Alexander Viro <viro@ftp.linux.org.uk>
Subject: Re: Upstream first policy
Date: Mon, 8 Mar 2010 18:45:21 +0000 [thread overview]
Message-ID: <20100308184521.GK30031@ZenIV.linux.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.00.1003080948060.3989@localhost.localdomain>
On Mon, Mar 08, 2010 at 10:08:31AM -0800, Linus Torvalds wrote:
> In other words: it really _does_ make more sense to say "this process has
> rights to overwrite the path '/etc/passwd'" than it does to try to label
> the file. The _fundamental_ rule is about the pathname. The labeling comes
> about BECAUSE YOU USED A HAMMER FOR A SCREW.
>
> I really don't understand why some people are unable to admit this fact.
Because you don't have to use that pathname to modify the bits returned
by read() after open() on that pathname?
I'm not fond of selinux, to put it mildly, but "pathname-based" stuff simply
doesn't match how the pathname resolution is defined on Unix...
next prev parent reply other threads:[~2010-03-08 18:45 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-07 21:23 Upstream first policy James Morris
2010-03-07 21:31 ` Linus Torvalds
2010-03-07 21:36 ` Linus Torvalds
2010-03-08 9:46 ` Ingo Molnar
2010-03-08 17:30 ` Alan Cox
2010-03-08 18:08 ` Linus Torvalds
2010-03-08 18:45 ` Al Viro [this message]
2010-03-08 18:53 ` Al Viro
2010-03-08 18:59 ` Linus Torvalds
2010-03-08 19:15 ` Linus Torvalds
2010-03-08 19:17 ` Alan Cox
2010-03-08 19:32 ` Linus Torvalds
2010-03-09 0:48 ` Kyle McMartin
2010-03-08 21:20 ` Chris Adams
2010-03-08 19:18 ` Al Viro
2010-03-09 1:18 ` Luca Barbieri
2010-03-09 1:25 ` Al Viro
2010-03-09 1:51 ` Luca Barbieri
2010-03-09 1:55 ` Al Viro
2010-03-09 2:09 ` Luca Barbieri
2010-03-08 19:08 ` Alan Cox
2010-03-08 19:18 ` Linus Torvalds
2010-03-08 19:27 ` Alan Cox
2010-03-08 19:34 ` Linus Torvalds
2010-03-09 7:29 ` Ingo Molnar
2010-03-09 8:46 ` Dave Airlie
2010-03-09 14:58 ` Ulrich Drepper
2010-03-08 23:02 ` Eric W. Biederman
2010-03-08 23:18 ` Eric Paris
2010-03-09 15:16 ` Florian Mickler
2010-03-09 22:49 ` Alan Cox
2010-03-11 3:52 ` Eric W. Biederman
2010-03-08 22:12 ` Ulrich Drepper
2010-03-08 23:12 ` Eric Paris
2010-03-08 23:21 ` Linus Torvalds
2010-03-08 23:18 ` Rik van Riel
2010-03-08 23:37 ` Linus Torvalds
2010-03-08 23:51 ` Rik van Riel
2010-03-09 0:10 ` Linus Torvalds
2010-03-09 3:26 ` Casey Schaufler
2010-03-09 3:58 ` Linus Torvalds
2010-03-09 13:09 ` Samir Bellabes
2010-03-09 0:15 ` Al Viro
2010-03-09 0:48 ` Al Viro
2010-03-09 1:49 ` Linus Torvalds
2010-03-09 2:05 ` Al Viro
2010-03-09 2:18 ` Linus Torvalds
2010-03-23 13:59 ` Pavel Machek
[not found] <elwcV-406-1@gated-at.bofh.it>
[not found] ` <elHL4-42q-5@gated-at.bofh.it>
[not found] ` <elP5U-6Ku-29@gated-at.bofh.it>
[not found] ` <elPyV-7zE-7@gated-at.bofh.it>
[not found] ` <elQbE-8ll-7@gated-at.bofh.it>
[not found] ` <elQv0-vu-13@gated-at.bofh.it>
[not found] ` <elQEG-Hn-33@gated-at.bofh.it>
2010-03-08 19:40 ` James Kosin
-- strict thread matches above, loose matches on Subject: below --
2010-03-04 18:39 [git pull] drm request 3 Jesse Barnes
2010-03-04 18:51 ` Linus Torvalds
2010-03-04 18:56 ` Jesse Barnes
2010-03-04 19:08 ` Linus Torvalds
2010-03-04 19:25 ` Dave Airlie
2010-03-04 20:01 ` Linus Torvalds
2010-03-04 22:06 ` Dave Airlie
2010-03-05 0:08 ` Linus Torvalds
2010-03-05 0:28 ` Ben Skeggs
2010-03-05 0:41 ` Linus Torvalds
2010-03-05 1:19 ` Upstream first policy Kyle McMartin
2010-03-05 1:28 ` Linus Torvalds
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