Re: [PATCH review 2/6] userns: Allow any uid or gid mappings thatdon't overlap.

From: Lord Glauber Costa of Sealand
Date: Mon Jan 28 2013 - 09:41:08 EST


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@xxxxxxxxxx>
>

Documentation/SubmittingPatches:

"then you just add a line saying

Signed-off-by: Random J Developer <random@xxxxxxxxxxxxxxxxxxxxx>

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.

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