linux-kernel - Re: [patch 1/9] unprivileged mounts: add user mounts to the kernel

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Message-ID: <20080108214721.GF5050@ucw.cz>
Date:	Tue, 8 Jan 2008 21:47:22 +0000
From:	Pavel Machek <pavel@....cz>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	akpm@...ux-foundation.org, hch@...radead.org, serue@...ibm.com,
	viro@....linux.org.uk, ebiederm@...ssion.com, kzak@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	containers@...ts.osdl.org, util-linux-ng@...r.kernel.org
Subject: Re: [patch 1/9] unprivileged mounts: add user mounts to the kernel


On Tue 2008-01-08 12:35:03, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi@...e.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
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