Re: [PATCH 0/4] user namespace fixes

From: Andy Lutomirski
Date: Mon Dec 17 2012 - 14:03:20 EST

On Fri, Dec 14, 2012 at 2:01 PM, Eric W. Biederman
<ebiederm@xxxxxxxxxxxx> wrote:
> These are fixes from Andys review of my user namespace tree.
> The first two patches are critical must fix fixes.
> The third patch fixing commit_creds is a nice to have but fixing it
> would be good.
> Andy, Serge if you could give these patches a once over to make certain
> I am not doing something stupid.
> Thank you,
> Eric
> ---
> Eric W. Biederman (4):
> Fix cap_capable to only allow owners in the parent user namespace to have caps.

For whatever reason, I didn't get the actual email. Assuming this is

Acked-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>

However, this comment:
* The owner of the user namespace in the parent of the
* user namespace has all caps.
could use work. I agree with the code, but I gave up on understanding
the comment.

> userns: Require CAP_SYS_ADMIN for most uses of setns.
> userns: Add a more complete capability subset test to commit_creds
> userns: Fix typo in description of the limitation of userns_install

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