linux-kernel - Re: [Devel] Re: [patch 05/10] add "permit user mounts in new namespace" clone flag

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Message-Id: <E1HdTag-0007bd-00@dorka.pomaz.szeredi.hu>
Date:	Mon, 16 Apr 2007 17:58:06 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	ebiederm@...ssion.com
CC:	linuxram@...ibm.com, linux-fsdevel@...r.kernel.org,
	viro@....linux.org.uk, containers@...ts.osdl.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [Devel] Re: [patch 05/10] add "permit user mounts in new namespace" clone flag

> > That depends.  Current patches check the "unprivileged submounts
> > allowed under this mount" flag only on the requested mount and not on
> > the propagated mounts.  Do you see a problem with this?
> 
> I think privileges of this sort should propagate.  If I read what you
> just said correctly if I have a private mount namespace I won't be able
> to mount anything unless when it was setup the unprivileged submount
> command was explicitly set.

By design yes.  Why is that a problem?

Miklos
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