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From: Aristeu Rozanski <aris-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Lord Glauber Costa of Sealand
	<glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Cc: linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Linux Containers
	<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	"Eric W. Biederman"
	<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH review 2/6] userns: Allow any uid or gid mappings that don't overlap.
Date: Mon, 28 Jan 2013 10:12:44 -0500	[thread overview]
Message-ID: <20130128151244.GV17632@redhat.com> (raw)
In-Reply-To: <51068E23.5040000-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>

On Mon, Jan 28, 2013 at 06:41:39PM +0400, Lord Glauber Costa of Sealand wrote:
> Hello Mr. Someone.
> 
> On 01/28/2013 06:28 PM, Aristeu Rozanski wrote:
> > On Fri, Jan 25, 2013 at 06:21:00PM -0800, Eric W. Biederman wrote:
> >> When I initially wrote the code for /proc/<pid>/uid_map.  I was lazy
> >> and avoided duplicate mappings by the simple expedient of ensuring the
> >> first number in a new extent was greater than any number in the
> >> previous extent.
> >>
> >> Unfortunately that precludes a number of valid mappings, and someone
> >> noticed and complained.  So use a simple check to ensure that ranges
> >> in the mapping extents don't overlap.
> > 
> > Acked-by: Someone <aris-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> > 
> 
> Documentation/SubmittingPatches:
> 
> "then you just add a line saying
> 
>         Signed-off-by: Random J Developer <random-ld4jwAGwUXQYGaZWVHDzw80vGNN6ct63@public.gmane.org>
> 
> using your real name (sorry, no pseudonyms or anonymous contributions.)"
> 
> I know how it feels, but that is how it goes. You'll have to change that.

oh well, another trip to the social security office and DMV.

-- 
Aristeu

  parent reply	other threads:[~2013-01-28 15:12 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-26  2:15 [PATCH review 0/6] miscelaneous user namespace patches Eric W. Biederman
     [not found] ` <87ehh8it9s.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-26  2:19   ` [PATCH review 1/6] userns: Avoid recursion in put_user_ns Eric W. Biederman
2013-01-26 20:58     ` Serge E. Hallyn
     [not found]     ` <877gn0it3t.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-28 14:51       ` Vasily Kulikov
2013-01-28 16:34         ` Eric W. Biederman
2013-01-26  2:21   ` [PATCH review 2/6] userns: Allow any uid or gid mappings that don't overlap Eric W. Biederman
     [not found]     ` <87zjzwhegj.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-26 21:08       ` Serge E. Hallyn
2013-01-28 14:28     ` Aristeu Rozanski
2013-01-28 14:41       ` Lord Glauber Costa of Sealand
     [not found]         ` <51068E23.5040000-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-01-28 15:12           ` Aristeu Rozanski [this message]
2013-01-26  2:22   ` [PATCH review 3/6] userns: Recommend use of memory control groups Eric W. Biederman
     [not found]     ` <87txq4hedl.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-26 21:13       ` Serge E. Hallyn
     [not found]         ` <20130126211312.GD11274-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2013-01-27  6:19           ` Eric W. Biederman
2013-01-28  7:37     ` Lord Glauber Costa of Sealand
     [not found]       ` <51062AB5.9060203-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-01-28  7:50         ` Lord Glauber Costa of Sealand
2013-01-28  8:14           ` Eric W. Biederman
     [not found]             ` <87k3qxu3kp.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-28  8:22               ` Lord Glauber Costa of Sealand
     [not found]                 ` <51063558.1010402-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-01-28 16:19                   ` Eric W. Biederman
     [not found]                     ` <87k3qxs2ko.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-28 16:37                       ` Lord Glauber Costa of Sealand
2013-01-28 17:18                         ` Eric W. Biederman
2013-01-28  8:05         ` Eric W. Biederman
2013-01-26  2:23   ` [PATCH review 4/6] userns: Allow the userns root to mount of devpts Eric W. Biederman
     [not found]     ` <87obgchecv.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-26 21:22       ` Serge E. Hallyn
2013-01-26  2:26   ` [PATCH review 5/6] userns: Allow the userns root to mount ramfs Eric W. Biederman
     [not found]     ` <87ip6khe7w.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-26 21:29       ` Serge E. Hallyn
     [not found]         ` <20130126212918.GG11274-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2013-01-27  6:09           ` Eric W. Biederman
     [not found]             ` <87bocb5f8a.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-27 18:23               ` Serge E. Hallyn
2013-01-27 18:23     ` Serge E. Hallyn
2013-01-26  2:26   ` [PATCH review 6/6] userns: Allow the userns root to mount tmpfs Eric W. Biederman
     [not found]     ` <87d2wshe6v.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-01-27 18:23       ` Serge E. Hallyn
2013-01-28  1:28     ` Gao feng

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