linux-kernel - Current state of CLONE

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Date:	Wed, 19 Nov 2008 15:04:22 -0500
From:	"Michael Kerrisk" <mtk.manpages@...glemail.com>
To:	"Serge Hallyn" <serue@...ibm.com>
Cc:	"Subrata Modak" <subrata@...ux.vnet.ibm.com>,
	ebiederm@...ssion.com, lkml <linux-kernel@...r.kernel.org>,
	linux-man@...r.kernel.org, clg@...ibm.com, herbert@...hfloor.at,
	dev@...ru
Subject: Current state of CLONE_NEWUSER?

Hi Serge,

What is the current status of CLONE_NEWUSER?  I'm currently trying to
test this flag in preparation for documenting it in the clone(2) man
page, but am running into an ENOMEM error from the clone() call, which
seems to occur after a failure in kobject_init_and_add() in the
following call sequence:

clone_user_ns() --> alloc_uid() --> uids_user_create() -->
kobject_init_and_add()

Are there already some test programs somewhere?  Is there any
documentation already available for this flag?

Thanks,

Michael

-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git
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