linux-kernel - Re: [PATCH 9/9] userns: check user namespace for task->file uid equivalence checks

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Message-ID: <4D60187F.7000102@free.fr>
Date:	Sat, 19 Feb 2011 20:22:39 +0100
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	"Serge E. Hallyn" <serge@...lyn.com>
CC:	xemul@...allels.com, containers@...ts.linux-foundation.org,
	kernel list <linux-kernel@...r.kernel.org>,
	dhowells@...hat.com, LSM <linux-security-module@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Kees Cook <kees.cook@...onical.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: [PATCH 9/9] userns: check user namespace for task->file uid	equivalence
 checks

On 02/17/2011 04:04 PM, Serge E. Hallyn wrote:
> Cheat for now and say all files belong to init_user_ns.  Next
> step will be to let superblocks belong to a user_ns, and derive
> inode_userns(inode) from inode->i_sb->s_user_ns.  Finally we'll
> introduce more flexible arrangements.
>
> Changelog:
> 	Feb 15: make is_owner_or_cap take const struct inode
>
> Signed-off-by: Serge E. Hallyn<serge.hallyn@...onical.com>
> ---

Acked-by: Daniel Lezcano <daniel.lezcano@...e.fr>
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