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From: Pavel Machek <pavel@ucw.cz>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, hch@infradead.org, serue@us.ibm.com,
	viro@ftp.linux.org.uk, ebiederm@xmission.com, kzak@redhat.com,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	containers@lists.osdl.org, util-linux-ng@vger.kernel.org
Subject: Re: [patch 1/9] unprivileged mounts: add user mounts to the kernel
Date: Tue, 8 Jan 2008 21:47:22 +0000	[thread overview]
Message-ID: <20080108214721.GF5050@ucw.cz> (raw)
In-Reply-To: <20080108113619.213519920@szeredi.hu>


On Tue 2008-01-08 12:35:03, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi@suse.cz>
> 
> This patchset adds support for keeping mount ownership information in the
> kernel, and allow unprivileged mount(2) and umount(2) in certain cases.
> 
> The mount owner has the following privileges:
> 
>   - unmount the owned mount
>   - create a submount under the owned mount

- create traps for updatedb, etc?

Is there Doc* file somewhere describing dangers of allowing this?
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2008-01-08 21:58 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08 11:35 [patch 0/9] mount ownership and unprivileged mount syscall (v6) Miklos Szeredi
2008-01-08 11:35 ` [patch 1/9] unprivileged mounts: add user mounts to the kernel Miklos Szeredi
2008-01-08 21:34   ` Pavel Machek
2008-01-08 21:47   ` Pavel Machek [this message]
2008-01-14 21:46   ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 2/9] unprivileged mounts: allow unprivileged umount Miklos Szeredi
2008-01-14 21:48   ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 3/9] unprivileged mounts: account user mounts Miklos Szeredi
2008-01-08 18:18   ` Dave Hansen
2008-01-08 19:18     ` Miklos Szeredi
2008-01-14 21:53   ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 4/9] unprivileged mounts: propagate error values from clone_mnt Miklos Szeredi
2008-01-14 22:23   ` Serge E. Hallyn
2008-01-15 10:15     ` Miklos Szeredi
2008-01-08 11:35 ` [patch 5/9] unprivileged mounts: allow unprivileged bind mounts Miklos Szeredi
2008-01-08 18:12   ` Dave Hansen
2008-01-08 19:08     ` Miklos Szeredi
2008-01-08 19:15       ` Dave Hansen
2008-01-08 20:44       ` Szabolcs Szakacsits
2008-01-09 12:45       ` Jan Engelhardt
2008-01-09 13:26         ` Karel Zak
2008-01-09 13:32           ` Miklos Szeredi
2008-01-08 18:26   ` Dave Hansen
2008-01-08 19:21     ` Miklos Szeredi
2008-01-10  4:47   ` Serge E. Hallyn
2008-01-14 22:42   ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 6/9] unprivileged mounts: allow unprivileged mounts Miklos Szeredi
2008-01-09 11:11   ` Karel Zak
2008-01-09 12:41     ` Miklos Szeredi
2008-01-14 22:58   ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 7/9] unprivileged mounts: allow unprivileged fuse mounts Miklos Szeredi
2008-01-08 21:46   ` Pavel Machek
2008-01-08 22:42     ` Miklos Szeredi
2008-01-08 22:58       ` Pavel Machek
2008-01-09  9:11         ` Miklos Szeredi
2008-01-09 11:33           ` Pavel Machek
2008-01-09 13:16             ` Miklos Szeredi
2008-01-09 13:35               ` Pavel Machek
2008-01-09 13:48                 ` Miklos Szeredi
2008-01-09 14:00                   ` Pavel Machek
2008-01-09 14:14                     ` Miklos Szeredi
2008-01-08 23:56       ` Nigel Cunningham
2008-01-09  8:47         ` Miklos Szeredi
2008-01-09  9:29           ` Nigel Cunningham
2008-01-09 11:12           ` Pavel Machek
2008-01-09  9:19         ` Szabolcs Szakacsits
2008-01-14 23:24   ` Serge E. Hallyn
2008-01-15 10:29     ` Miklos Szeredi
2008-01-15 13:35       ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 8/9] unprivileged mounts: propagation: inherit owner from parent Miklos Szeredi
2008-01-14 23:13   ` Serge E. Hallyn
2008-01-15 10:39     ` Miklos Szeredi
2008-01-15 14:21       ` Serge E. Hallyn
2008-01-15 14:37         ` Miklos Szeredi
2008-01-15 14:59           ` Serge E. Hallyn
2008-01-08 11:35 ` [patch 9/9] unprivileged mounts: add "no submounts" flag Miklos Szeredi
2008-01-14 23:39   ` Serge E. Hallyn
2008-01-15 10:41     ` Miklos Szeredi
2008-01-15 10:53       ` A. C. Censi
2008-01-15 10:58         ` Miklos Szeredi
2008-01-15 13:47           ` Serge E. Hallyn
2008-01-16  9:43             ` Miklos Szeredi

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