Re: user namespace and fully visible proc and sys mounts

From	ebiederm@xmission.com (Eric W. Biederman)
Newsgroups	linux.kernel
Subject	Re: user namespace and fully visible proc and sys mounts
Date	2016-03-08 05:20 +0100
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Andy Lutomirski <luto@amacapital.net> writes:

> On Mon, Mar 7, 2016 at 4:07 PM, Eric W. Biederman <ebiederm@xmission.com> wrote:
>> Andy Lutomirski <luto@amacapital.net> writes:
>>
>>> On a related note, can we *please* find a way to constrain namespace
>>> creation in a way that might satisfy the RHEL crowd?
>>
>> I am not certain to what you are referrring.
>>
>> As long as folks are willing to work with me I am happy to help design
>> and design something that makes things better for everyone.  If someone
>> pushes hard, suggestes crappy patches, and does not listen to
>> constructive feedback I will shoot their patches down (especially when I
>> am sick and tired as I have been more than I would like this development
>> cycle).
>
> I think we should add some mechanism that will allow the right to
> create various namespaces to be constrained in a useful and usable
> manner.  I'll start a new thread.

On the general principle that there is more attack surface, and attack
surface reduction is generally good I agree.  I will await your follow
on thread when you are ready.

Eric

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Thread

user namespace and fully visible proc and sys mounts "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2016-03-06 09:30 +0100
  Re: user namespace and fully visible proc and sys mounts ebiederm@xmission.com (Eric W. Biederman) - 2016-03-06 23:10 +0100
    Re: user namespace and fully visible proc and sys mounts "Serge E. Hallyn" <serge@hallyn.com> - 2016-03-07 00:40 +0100
    Re: user namespace and fully visible proc and sys mounts Andy Lutomirski <luto@amacapital.net> - 2016-03-07 03:30 +0100
      Re: user namespace and fully visible proc and sys mounts "Serge E. Hallyn" <serge@hallyn.com> - 2016-03-07 04:50 +0100
        Re: user namespace and fully visible proc and sys mounts Andy Lutomirski <luto@amacapital.net> - 2016-03-07 05:00 +0100
          Re: user namespace and fully visible proc and sys mounts "Serge E. Hallyn" <serge@hallyn.com> - 2016-03-07 06:10 +0100
      Re: user namespace and fully visible proc and sys mounts ebiederm@xmission.com (Eric W. Biederman) - 2016-03-08 01:20 +0100
        Re: user namespace and fully visible proc and sys mounts Andy Lutomirski <luto@amacapital.net> - 2016-03-08 01:30 +0100
          Re: user namespace and fully visible proc and sys mounts ebiederm@xmission.com (Eric W. Biederman) - 2016-03-08 05:20 +0100

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