linux-kernel - Re: [RFC][PATCH] Fix cap_capable to only allow owners in the parent user namespace to have caps.

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Message-ID: <CALCETrVzkDi2tUZV6qtXrFtD+dDtkrR5dVL_Sij=9DVEqsOWmg@mail.gmail.com>
Date:	Fri, 14 Dec 2012 10:47:13 -0800
From:	Andy Lutomirski <luto@...capital.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	containers@...ts.linux-foundation.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	LSM List <linux-security-module@...r.kernel.org>
Subject: Re: [RFC][PATCH] Fix cap_capable to only allow owners in the parent
 user namespace to have caps.

On Fri, Dec 14, 2012 at 10:43 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Fri, Dec 14, 2012 at 10:12 AM, Eric W. Biederman
> <ebiederm@...ssion.com> wrote:
>>
>> That said Serge I think I have lost track of the point of your question.
>
> .. and I'm a bit unsure what I should do about this all. Including
> pulling the pull request that actually can make this all matter.
>
> Hmm? Any consensus?

I think that, if Eric submits a newer version that renames the loop
variable for added comprehensibility, I'm okay with it.

Changing the semantics to a more expansive version like Serge was
talking about later on wouldn't break anything.  But I don't think
there's any reason to change it.

--Andy
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