Re: [PATCH v2 3/3] net: make net namespace sysctls belong to container's owner

From: David Miller
Date: Fri Sep 30 2016 - 01:21:46 EST


From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Date: Thu, 29 Sep 2016 08:46:05 -0700

> Hi David,
>
> On Wed, Aug 10, 2016 at 2:36 PM, Dmitry Torokhov
> <dmitry.torokhov@xxxxxxxxx> wrote:
>> If net namespace is attached to a user namespace let's make container's
>> root owner of sysctls affecting said network namespace instead of global
>> root.
>>
>> This also allows us to clean up net_ctl_permissions() because we do not
>> need to fudge permissions anymore for the container's owner since it now
>> owns the objects in question.
>>
>> Acked-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
>> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
>
> I was looking at linux-next today, and I noticed that, when you merged
> my patch, you basically reverted the following commit:
>
> commit d6e0d306449bcb5fa3c80e7a3edf11d45abf9ae9
> Author: Tyler Hicks <tyhicks@xxxxxxxxxxxxx>
> Date: Thu Jun 2 23:43:22 2016 -0500
>
> net: Use ns_capable_noaudit() when determining net sysctl permissions

Please send me a fixup patch for this, sorry.