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Date: Mon, 28 Jan 2013 18:41:39 +0400
From: Lord Glauber Costa of Sealand <glommer@parallels.com>
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To: Aristeu Rozanski <aris@redhat.com>
CC: "Eric W. Biederman" <ebiederm@xmission.com>,
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        Linux Containers <containers@lists.linux-foundation.org>,
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        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH review 2/6] userns: Allow any uid or gid mappings that
 don't overlap.
References: <87ehh8it9s.fsf@xmission.com> <87zjzwhegj.fsf@xmission.com> <20130128142816.GU17632@redhat.com>
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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@redhat.com>
> 

Documentation/SubmittingPatches:

"then you just add a line saying

        Signed-off-by: Random J Developer <random@developer.example.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.