From: Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Trond Myklebust
<Trond.Myklebust-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org>
Cc: "J. Bruce Fields"
<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
"Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
Linux Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
"Eric W. Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Cedric Le Goater <clg-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Subject: Re: [RFC][PATCH 2/4] sunrpc: Use utsnamespaces
Date: Tue, 06 Jan 2009 19:44:48 -0800 [thread overview]
Message-ID: <1231299888.14345.369.camel@localhost> (raw)
In-Reply-To: <1231287791.11487.4.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
On Tue, 2009-01-06 at 19:23 -0500, Trond Myklebust wrote:
> On Tue, 2009-01-06 at 19:20 -0500, J. Bruce Fields wrote:
> > If it would be possible, for example, for the 'init' namespace to have
> > no network interfaces at all, then it would be nicer to use a name
> > that's at least been used with nfs at *some* point--just on the general
> > principle of not leaking information to a domain that the user wouldn't
> > expect it to.
>
> Then RPC would fail. Thanks to the limitations imposed by selinux &
> friends, all RPC sockets have to be owned by the init process.
Interesting -- I'm not familiar with this requirement of selinux. Must
it be the init process of the initial pid namespace or could any pid
namespace's init process own it?
Cheers,
-Matt Helsley
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WARNING: multiple messages have this Message-ID (diff)
From: Matt Helsley <matthltc@us.ibm.com>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
"Serge E. Hallyn" <serue@us.ibm.com>,
Linux Containers <containers@lists.linux-foundation.org>,
linux-nfs@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chuck Lever <chuck.lever@oracle.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Cedric Le Goater <clg-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Subject: Re: [RFC][PATCH 2/4] sunrpc: Use utsnamespaces
Date: Tue, 06 Jan 2009 19:44:48 -0800 [thread overview]
Message-ID: <1231299888.14345.369.camel@localhost> (raw)
In-Reply-To: <1231287791.11487.4.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
On Tue, 2009-01-06 at 19:23 -0500, Trond Myklebust wrote:
> On Tue, 2009-01-06 at 19:20 -0500, J. Bruce Fields wrote:
> > If it would be possible, for example, for the 'init' namespace to have
> > no network interfaces at all, then it would be nicer to use a name
> > that's at least been used with nfs at *some* point--just on the general
> > principle of not leaking information to a domain that the user wouldn't
> > expect it to.
>
> Then RPC would fail. Thanks to the limitations imposed by selinux &
> friends, all RPC sockets have to be owned by the init process.
Interesting -- I'm not familiar with this requirement of selinux. Must
it be the init process of the initial pid namespace or could any pid
namespace's init process own it?
Cheers,
-Matt Helsley
WARNING: multiple messages have this Message-ID (diff)
From: Matt Helsley <matthltc@us.ibm.com>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
"Serge E. Hallyn" <serue@us.ibm.com>,
Linux Containers <containers@lists.linux-foundation.org>,
linux-nfs@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chuck Lever <chuck.lever@oracle.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Linux Containers <containers@lists.osdl.org>,
Cedric Le Goater <clg@fr.ibm.com>
Subject: Re: [RFC][PATCH 2/4] sunrpc: Use utsnamespaces
Date: Tue, 06 Jan 2009 19:44:48 -0800 [thread overview]
Message-ID: <1231299888.14345.369.camel@localhost> (raw)
In-Reply-To: <1231287791.11487.4.camel@heimdal.trondhjem.org>
On Tue, 2009-01-06 at 19:23 -0500, Trond Myklebust wrote:
> On Tue, 2009-01-06 at 19:20 -0500, J. Bruce Fields wrote:
> > If it would be possible, for example, for the 'init' namespace to have
> > no network interfaces at all, then it would be nicer to use a name
> > that's at least been used with nfs at *some* point--just on the general
> > principle of not leaking information to a domain that the user wouldn't
> > expect it to.
>
> Then RPC would fail. Thanks to the limitations imposed by selinux &
> friends, all RPC sockets have to be owned by the init process.
Interesting -- I'm not familiar with this requirement of selinux. Must
it be the init process of the initial pid namespace or could any pid
namespace's init process own it?
Cheers,
-Matt Helsley
next prev parent reply other threads:[~2009-01-07 3:44 UTC|newest]
Thread overview: 147+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-06 1:13 [RFC][PATCH 0/4] utsns: RPC/NFS bug rework Matt Helsley
2009-01-06 1:13 ` [RFC][PATCH 1/4] Remove useless utsname.h includes Matt Helsley
2009-01-06 1:13 ` Matt Helsley
2009-01-06 1:13 ` Matt Helsley
2009-01-06 1:13 ` [RFC][PATCH 2/4] sunrpc: Use utsnamespaces Matt Helsley
2009-01-06 1:13 ` Matt Helsley
2009-01-06 1:13 ` Matt Helsley
[not found] ` <20090106011314.961946803-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-06 20:02 ` Serge E. Hallyn
2009-01-06 20:02 ` Serge E. Hallyn
2009-01-06 20:02 ` Serge E. Hallyn
[not found] ` <20090106200229.GA17031-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-06 20:20 ` J. Bruce Fields
2009-01-06 20:20 ` J. Bruce Fields
2009-01-06 20:20 ` J. Bruce Fields
[not found] ` <20090106202046.GF5901-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2009-01-06 21:53 ` Serge E. Hallyn
2009-01-06 21:53 ` Serge E. Hallyn
2009-01-06 21:53 ` Serge E. Hallyn
[not found] ` <20090106215324.GD18147-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-06 23:35 ` Matt Helsley
2009-01-06 23:35 ` Matt Helsley
2009-01-06 23:35 ` Matt Helsley
2009-01-06 22:43 ` Matt Helsley
2009-01-06 22:43 ` Matt Helsley
2009-01-06 22:43 ` Matt Helsley
2009-01-06 20:44 ` Trond Myklebust
2009-01-06 20:44 ` Trond Myklebust
2009-01-06 20:44 ` Trond Myklebust
[not found] ` <1231274682.20316.65.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-06 21:58 ` Serge E. Hallyn
2009-01-06 21:58 ` Serge E. Hallyn
2009-01-06 21:58 ` Serge E. Hallyn
2009-01-06 22:42 ` Trond Myklebust
[not found] ` <1231281732.4173.6.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-07 0:08 ` Matt Helsley
2009-01-07 0:08 ` Matt Helsley
2009-01-07 0:08 ` Matt Helsley
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
[not found] ` <1231287619.11487.2.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-07 0:43 ` Matt Helsley
2009-01-07 0:43 ` Matt Helsley
2009-01-07 0:43 ` Matt Helsley
2009-01-07 1:10 ` Trond Myklebust
2009-01-07 1:10 ` Trond Myklebust
2009-01-07 1:10 ` Trond Myklebust
2009-01-07 0:20 ` J. Bruce Fields
2009-01-07 0:20 ` J. Bruce Fields
2009-01-07 0:20 ` J. Bruce Fields
[not found] ` <20090107002024.GJ13785-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2009-01-07 0:23 ` Trond Myklebust
2009-01-07 0:23 ` Trond Myklebust
2009-01-07 0:23 ` Trond Myklebust
[not found] ` <1231287791.11487.4.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-07 3:44 ` Matt Helsley [this message]
2009-01-07 3:44 ` Matt Helsley
2009-01-07 3:44 ` Matt Helsley
[not found] ` <20090106215831.GE18147-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-06 23:04 ` Eric W. Biederman
2009-01-06 23:04 ` Eric W. Biederman
2009-01-06 23:04 ` Eric W. Biederman
[not found] ` <m1eizg11fy.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2009-01-06 23:15 ` Trond Myklebust
2009-01-06 23:15 ` Trond Myklebust
2009-01-06 23:15 ` Trond Myklebust
[not found] ` <1231283734.8041.6.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-06 23:32 ` J. Bruce Fields
2009-01-06 23:32 ` J. Bruce Fields
2009-01-06 23:32 ` J. Bruce Fields
[not found] ` <20090106233238.GD13785-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2009-01-06 23:35 ` Trond Myklebust
2009-01-06 23:35 ` Trond Myklebust
2009-01-06 23:35 ` Trond Myklebust
[not found] ` <1231284943.8041.8.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-06 23:48 ` Matt Helsley
2009-01-06 23:48 ` Matt Helsley
2009-01-06 23:48 ` Matt Helsley
2009-01-06 23:51 ` Chuck Lever
2009-01-06 23:51 ` Chuck Lever
2009-01-06 23:51 ` Chuck Lever
2009-01-06 23:53 ` J. Bruce Fields
2009-01-06 23:53 ` J. Bruce Fields
2009-01-06 23:53 ` J. Bruce Fields
[not found] ` <20090106235322.GE13785-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2009-01-07 0:07 ` Matt Helsley
2009-01-07 0:07 ` Matt Helsley
2009-01-07 0:07 ` Matt Helsley
2009-01-07 0:55 ` Eric W. Biederman
2009-01-07 0:55 ` Eric W. Biederman
2009-01-07 0:55 ` Eric W. Biederman
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
2009-01-07 0:20 ` Trond Myklebust
[not found] ` <1231287607.11487.0.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-07 0:26 ` J. Bruce Fields
2009-01-07 0:26 ` J. Bruce Fields
2009-01-07 0:26 ` J. Bruce Fields
[not found] ` <20090107002608.GK13785-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2009-01-07 0:38 ` Trond Myklebust
2009-01-07 0:38 ` Trond Myklebust
2009-01-07 0:38 ` Trond Myklebust
[not found] ` <1231288706.11487.15.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-07 1:44 ` J. Bruce Fields
2009-01-07 1:44 ` J. Bruce Fields
2009-01-07 1:44 ` J. Bruce Fields
[not found] ` <20090107014422.GA17913-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2009-01-07 1:50 ` Trond Myklebust
2009-01-07 1:50 ` Trond Myklebust
2009-01-07 1:50 ` Trond Myklebust
2009-01-07 2:37 ` Eric W. Biederman
2009-01-07 2:37 ` Eric W. Biederman
2009-01-07 2:37 ` Eric W. Biederman
2009-01-06 23:30 ` Matt Helsley
2009-01-06 23:30 ` Matt Helsley
2009-01-06 23:30 ` Matt Helsley
2009-01-06 23:18 ` Matt Helsley
2009-01-06 23:18 ` Matt Helsley
2009-01-06 23:18 ` Matt Helsley
2009-01-06 23:43 ` Trond Myklebust
2009-01-06 23:43 ` Trond Myklebust
2009-01-06 23:43 ` Trond Myklebust
[not found] ` <1231285417.8041.15.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-06 23:58 ` Matt Helsley
2009-01-06 23:58 ` Matt Helsley
2009-01-06 23:58 ` Matt Helsley
2009-01-06 22:29 ` Chuck Lever
2009-01-06 22:29 ` Chuck Lever
2009-01-06 22:29 ` Chuck Lever
[not found] ` <FB1BAB9F-25D4-449F-A66D-D1CC705F3741-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2009-01-07 0:01 ` Serge E. Hallyn
2009-01-07 0:01 ` Serge E. Hallyn
2009-01-07 0:01 ` Serge E. Hallyn
2009-01-06 1:13 ` [RFC][PATCH 3/4] sunrpc: Improve UTS namespace workaround Matt Helsley
2009-01-06 1:13 ` Matt Helsley
2009-01-06 1:13 ` Matt Helsley
[not found] ` <20090106011315.100081168-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-06 16:02 ` Chuck Lever
2009-01-06 16:02 ` Chuck Lever
[not found] ` <E184097A-C995-4C92-9608-A97B43E750E0-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2009-01-07 0:28 ` Matt Helsley
2009-01-07 0:28 ` Matt Helsley
2009-01-07 0:28 ` Matt Helsley
2009-01-07 3:02 ` Matt Helsley
2009-01-07 3:02 ` Matt Helsley
2009-01-07 3:02 ` Matt Helsley
2009-01-06 1:13 ` [RFC][PATCH 4/4] Represent RPC Callers Matt Helsley
2009-01-06 1:13 ` Matt Helsley
2009-01-06 1:13 ` Matt Helsley
[not found] ` <20090106011315.229045829-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-06 13:04 ` Trond Myklebust
2009-01-06 13:04 ` Trond Myklebust
[not found] ` <1231247062.7127.36.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-06 23:05 ` Matt Helsley
2009-01-06 23:05 ` Matt Helsley
2009-01-06 23:05 ` Matt Helsley
-- strict thread matches above, loose matches on Subject: below --
2009-01-07 0:39 [RFC][PATCH 2/4] sunrpc: Use utsnamespaces trond.myklebust-41N18TsMXrtuMpJDpNschA
2009-01-07 0:39 ` trond.myklebust
2009-01-07 0:39 ` trond.myklebust
[not found] ` <ae2fa56f38f87da3a90ab6fe39954b2b.squirrel-2RFepEojUI3pn8CWWHJlTg@public.gmane.org>
2009-01-07 0:57 ` Matt Helsley
2009-01-07 0:57 ` Matt Helsley
2009-01-07 0:57 ` Matt Helsley
2009-01-07 1:02 ` Trond Myklebust
2009-01-07 1:02 ` Trond Myklebust
2009-01-07 1:02 ` Trond Myklebust
[not found] ` <1231290153.11487.34.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-07 1:22 ` Matt Helsley
2009-01-07 1:22 ` Matt Helsley
2009-01-07 1:22 ` Matt Helsley
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