linux-kernel - Re: [CRED bug?] 2.6.29-rc3 don't survive on stress workload

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Date:	Thu, 12 Feb 2009 17:18:24 +0000
From:	David Howells <dhowells@...hat.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	dhowells@...hat.com,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>
Subject: Re: [CRED bug?] 2.6.29-rc3 don't survive on stress workload

Serge E. Hallyn <serue@...ibm.com> wrote:

> 	1. put_user_ns() was being called before the uid (which
> 	   was in the init_user_ns) was unhashed

Ah yes...  but only if CONFIG_USER_NS=y.  Otherwise the unhash was being done
before the release anyway.  With this option set, the unhash was being deferred
to a workqueue thread.

Okay, that seems reasonable.

David
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