From: Andrew Morton <akpm@osdl.org>
To: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
lkml <linux-kernel@vger.kernel.org>,
containers@lists.osdl.org
Subject: Re: [PATCH 7/8] user ns: handle file sigio
Date: Thu, 25 Jan 2007 00:12:53 -0800 [thread overview]
Message-ID: <20070125001253.75f899d6.akpm@osdl.org> (raw)
In-Reply-To: <20070124185845.GA597@sergelap.austin.ibm.com>
On Wed, 24 Jan 2007 12:58:45 -0600
"Serge E. Hallyn" <serue@us.ibm.com> wrote:
> > If we need to I can see doing something special if the process setting
> > fown has CAP_KILL
>
> Obviously CAP_KILL is insufficient :) I assume you mean a new
> CAP_XNS_CAP_KILL?
>
> > and bypassing the security checks that way, but
> > hard coding rules like that when it doesn't appear we have any
> > experience to indicate we need the extra functionality looks
> > premature.
>
> Ok, in this case actually I suspect you're right and we can just ditch
> the exception. But in general the security discussion is one we should
> still have.
People like security.
Where do we now stand with this patch, and with "[PATCH 4/8] user ns: hook permission"?
next prev parent reply other threads:[~2007-01-25 8:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-19 22:59 [PATCH 0/8] user namespace: Introduction Serge E. Hallyn
2006-12-19 22:59 ` [PATCH 1/8] nsproxy: externalizes exit_task_namespaces Serge E. Hallyn
2006-12-19 23:00 ` [PATCH 2/8] user ns: add the framework Serge E. Hallyn
2006-12-19 23:00 ` [PATCH 3/8] user ns: add user_namespace ptr to vfsmount Serge E. Hallyn
2006-12-19 23:00 ` [PATCH 4/8] user ns: hook permission Serge E. Hallyn
2007-01-24 17:06 ` Eric W. Biederman
2007-01-24 19:06 ` Serge E. Hallyn
2006-12-19 23:01 ` [PATCH 5/8] user ns: prepare copy_tree, copy_mnt, and their callers to handle errs Serge E. Hallyn
2006-12-19 23:01 ` [PATCH 6/8] user ns: implement shared mounts Serge E. Hallyn
2006-12-19 23:01 ` [PATCH 7/8] user ns: handle file sigio Serge E. Hallyn
2007-01-24 17:23 ` Eric W. Biederman
2007-01-24 18:58 ` Serge E. Hallyn
2007-01-25 8:12 ` Andrew Morton [this message]
2007-01-25 15:32 ` Serge E. Hallyn
2007-01-26 5:38 ` Serge E. Hallyn
2007-01-26 6:09 ` Andrew Morton
2006-12-19 23:01 ` [PATCH 8/8] user ns: implement user ns unshare Serge E. Hallyn
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