From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)
To: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Serge E. Hallyn" <serge-A9i7LUbDfNHQT0dZR+AlfA@public.gmane.org>,
Linux Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
Subject: Re: [PATCH 2/4] clone.2: Describe the user namespace
Date: Tue, 01 Jan 2013 01:39:43 -0800 [thread overview]
Message-ID: <87a9st5jj4.fsf@xmission.com> (raw)
In-Reply-To: <CAKgNAkgRQXn0-x6CXxvW94eeG19dOAOEx78iNC0+w08uX+Sg1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (Michael Kerrisk's message of "Tue, 1 Jan 2013 10:29:51 +0100")
"Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
> Hi Eric,
>
> On Thu, Dec 27, 2012 at 6:47 PM, Eric W. Biederman
> <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> wrote:
>>
>> There is one other bit that needs to be documented in clone, although
>> I am not certain where/how.
>>
>> The sequences:
>>
>> unshare(CLONE_NEWPID).
>> clone(CLONE_VM)
>>
>> setns(fd, CLONE_NEWPID).
>> clone(CLONE_VM).
>>
>> Now fail.
>
> Can you define "now" please. Which kernel version?
3.8
The sequence was impossible in 3.7.
I think that change that made that impossible happened in the 3.8-rc1 to
3.8-rc2 window.
Eric
next prev parent reply other threads:[~2013-01-01 9:39 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-26 22:57 [PATCH 0/4] namespace man page updates for 3.8 Eric W. Biederman
[not found] ` <87a9u4rmz0.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-11-27 0:46 ` [PATCH 1/4] proc.5: Document /proc/[pid]/uid_map and /proc/[pid]/gid_map Eric W. Biederman
[not found] ` <874nkbrhyv.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-12-27 9:03 ` Michael Kerrisk (man-pages)
2012-12-27 9:03 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkixXmtvQUbwyv=a8mU=gdf-x+w-ou_4N=cNaau+hVoy4Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-27 16:58 ` Eric W. Biederman
2012-12-27 16:58 ` Eric W. Biederman
[not found] ` <87obhfxwhb.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-12-28 19:20 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkjs9T-s8SG-EgTT0O-Uj8S98Q_zfnMqnZ1ROrcYqh7Z5w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-28 21:20 ` Eric W. Biederman
[not found] ` <87vcbldgbj.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-01 9:37 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkjf=KS5FnP0L-TPTCjQuTDAMs-N4cadAP89L4Mb3KubzQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-01 10:12 ` Eric W. Biederman
[not found] ` <87r4m51abp.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-14 8:59 ` Michael Kerrisk (man-pages)
2012-12-27 17:23 ` Eric W. Biederman
2012-12-27 17:23 ` Eric W. Biederman
[not found] ` <87licjv276.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-12-27 18:39 ` Michael Kerrisk (man-pages)
2012-12-27 18:39 ` Michael Kerrisk (man-pages)
2012-11-27 0:46 ` [PATCH 2/4] clone.2: Describe the user namespace Eric W. Biederman
[not found] ` <87y5hnq3d5.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-12-27 10:16 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkgXWp49wXKom9hMm9fajKVOAwOmFzPdKWBesbBhfZEssA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-27 17:20 ` Eric W. Biederman
[not found] ` <87r4mbv2c9.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-01 9:30 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkgPET9jex1DO=1Z3HRQqO_WVD8qmG-UaH1DQB6wDGqO5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-01 9:45 ` Eric W. Biederman
2013-01-01 9:30 ` Michael Kerrisk (man-pages)
2012-12-27 17:47 ` Eric W. Biederman
[not found] ` <87sj6rs7zc.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-01 9:29 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkgRQXn0-x6CXxvW94eeG19dOAOEx78iNC0+w08uX+Sg1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-01 9:39 ` Eric W. Biederman [this message]
[not found] ` <87a9st5jj4.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-07 8:33 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkggMKib5v4ND9UR1jH=CrK-viM5hhfmc0Rw=mP5GbenSg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-07 8:59 ` Eric W. Biederman
2013-01-07 8:59 ` Eric W. Biederman
2013-01-07 8:33 ` Michael Kerrisk (man-pages)
2013-01-01 9:39 ` Eric W. Biederman
2012-11-27 0:46 ` Eric W. Biederman
2012-11-27 0:47 ` [PATCH 3/4] proc.5: Document the proc files for the user, mount, and pid namespaces Eric W. Biederman
[not found] ` <87pq2zq3b6.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-12-27 10:28 ` Michael Kerrisk (man-pages)
2012-11-27 0:48 ` [PATCH 4/4] setns.2: Document the pid, user, and mount namespace support Eric W. Biederman
2012-11-27 0:48 ` Eric W. Biederman
[not found] ` <87k3t7q39u.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-12-27 11:08 ` Michael Kerrisk (man-pages)
2012-12-27 11:08 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkiaw5L_oNE8NENjmoBS8Hq_uj+iaEdhyXc1+hje4HdnNQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-27 17:40 ` Eric W. Biederman
[not found] ` <87bodftmv0.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-01 9:30 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkjJR02rKOBh98n7HJwXqAwywHY=Ef35t9tW7wOuyo86NQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-01 9:58 ` Eric W. Biederman
[not found] ` <87mwwt2pj8.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-07 9:51 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkggEOV0dXVzr4Zf3n_-it5SXfvjJ1ooYxiVNWaYzQgRLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-07 23:58 ` Eric W. Biederman
2013-01-07 23:58 ` Eric W. Biederman
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