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Message-ID: <20190328180503.GA16249@mail.hallyn.com>
Date: Thu, 28 Mar 2019 13:05:03 -0500
From: "Serge E. Hallyn" <serge@...lyn.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>,
lkml <linux-kernel@...r.kernel.org>,
"Serge E. Hallyn" <serge@...lyn.com>
Subject: Re: Allowing mapping supplemental groups in user namespace?
On Thu, Feb 28, 2019 at 11:27:38AM -0800, Dmitry Torokhov wrote:
> Hi Eric,
>
> Currently, unless caller has CAP_SETGID in parent namespace, we can
> only map effective group id in the new user namespace. Would it be
> possible to relax this rule to also allow mapping of supplemental
> groups (1:1) of the caller?
>
> Thanks.
>
> --
> Dmitry
Hi,
Is there a use case where adding those to /etc/subgid is onerous?
(There probably is, just would like to see yours)
thanks,
-serge
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