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From: "Serge E. Hallyn" <serge.hallyn@ubuntu.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Serge E. Hallyn" <serge@hallyn.com>,
	Richard Weinberger <richard@nod.at>,
	Richard Weinberger <richard.weinberger@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	"open list:ABI/API" <linux-api@vger.kernel.org>,
	Linux Containers <containers@lists.linux-foundation.org>,
	LXC development mailing-list 
	<lxc-devel@lists.linuxcontainers.org>, Tejun Heo <tj@kernel.org>,
	cgroups mailinglist <cgroups@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: CGroup Namespaces (v4)
Date: Wed, 18 Nov 2015 09:43:06 -0600	[thread overview]
Message-ID: <20151118154306.GA24719@mail.hallyn.com> (raw)
In-Reply-To: <87r3jnfyx7.fsf@x220.int.ebiederm.org>

On Wed, Nov 18, 2015 at 03:18:44AM -0600, Eric W. Biederman wrote:
> "Serge E. Hallyn" <serge@hallyn.com> writes:
> 
> > On Mon, Nov 16, 2015 at 04:24:27PM -0600, Eric W. Biederman wrote:
> >> Similary have you considered what it required to be able to safely set
> >> FS_USERNS_MOUNT?
> >
> > I pushed the one patch which I feel is needed to my branch (it's also
> > included in another reply).  Aditya had already added FS_USERNS_MOUNT to
> > the cgroup fs flags, so I think we're now all set.  I can start
> > unprivileged containers which mount cgroupfs (which make systemd happy).
> 
> In principle that sounds very good, and I am glad to see that.
> 
> Let's hold off on merging the unprivileged part until everything else is
> reviewed and merged and we have performed an extra hard look at the
> security implications as it can be easy to overlook something when
> relaxing the permissions.

I'll break out the FS_USERNS_MOUNT flag into the very last patch.

      reply	other threads:[~2015-11-18 15:43 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-16 19:51 serge
2015-11-16 19:51 ` [PATCH 1/8] kernfs: Add API to generate relative kernfs path serge
2015-11-24 16:16   ` Tejun Heo
2015-11-24 16:17     ` Tejun Heo
2015-11-24 17:43       ` Serge E. Hallyn
2015-11-27  5:25     ` Serge E. Hallyn
2015-11-30 15:11       ` Tejun Heo
2015-11-30 18:37         ` Serge E. Hallyn
2015-11-30 22:53           ` Tejun Heo
2015-12-01  2:08             ` Serge E. Hallyn
2015-11-16 19:51 ` [PATCH 2/8] sched: new clone flag CLONE_NEWCGROUP for cgroup namespace serge
2015-11-16 19:51 ` [PATCH 3/8] cgroup: add function to get task's cgroup serge
2015-11-24 16:27   ` Tejun Heo
2015-11-24 16:54     ` Tejun Heo
2015-11-16 19:51 ` [PATCH 4/8] cgroup: export cgroup_get() and cgroup_put() serge
2015-11-24 16:30   ` Tejun Heo
2015-11-24 22:35     ` Serge E. Hallyn
2015-11-16 19:51 ` [PATCH 5/8] cgroup: introduce cgroup namespaces serge
2015-11-24 16:49   ` Tejun Heo
2015-11-16 19:51 ` [PATCH 6/8] cgroup: cgroup namespace setns support serge
2015-11-24 16:52   ` Tejun Heo
2015-11-16 19:51 ` [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns serge
2015-11-24 17:16   ` Tejun Heo
2015-11-25  6:01     ` Serge E. Hallyn
2015-11-25 19:10       ` Tejun Heo
2015-11-25 19:55         ` Serge Hallyn
2015-11-25 19:57           ` Tejun Heo
2015-11-27  5:17     ` Serge E. Hallyn
2015-11-30 15:09       ` Tejun Heo
2015-12-01  4:07         ` Serge E. Hallyn
2015-12-01 16:46           ` Tejun Heo
2015-12-01 21:58             ` Serge E. Hallyn
2015-12-02 16:53               ` Tejun Heo
2015-12-02 16:56                 ` Serge E. Hallyn
2015-12-02 16:58                   ` Tejun Heo
2015-12-02 17:02                     ` Serge E. Hallyn
2015-12-02 17:05                       ` Tejun Heo
2015-12-03 22:47                         ` Serge E. Hallyn
2015-12-07 15:39                           ` Tejun Heo
2015-12-07 15:53                             ` Serge Hallyn
2015-11-16 19:51 ` [PATCH 8/8] cgroup: Add documentation for cgroup namespaces serge
2015-11-24 17:16   ` Tejun Heo
2015-11-16 20:41 ` CGroup Namespaces (v4) Richard Weinberger
2015-11-16 20:46   ` Serge E. Hallyn
2015-11-16 20:50     ` Richard Weinberger
2015-11-16 20:54       ` Serge E. Hallyn
2015-11-16 22:24         ` Eric W. Biederman
2015-11-16 22:37           ` Tejun Heo
2015-11-17  1:13           ` Serge E. Hallyn
2015-11-17  1:40             ` Serge E. Hallyn
2015-11-17  3:54               ` Serge E. Hallyn
2015-11-18  2:30           ` Serge E. Hallyn
2015-11-18  9:18             ` Eric W. Biederman
2015-11-18 15:43               ` Serge E. Hallyn [this message]

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