linux-kernel - Re: [RFC][PATCH] sunrpc: fix oops in rpc_create() when the mount namespace is unshared

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Message-ID: <48C8DEA0.9080905@fr.ibm.com>
Date:	Thu, 11 Sep 2008 11:02:24 +0200
From:	Cedric Le Goater <clg@...ibm.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	chucklever@...il.com, "Serge E. Hallyn" <serue@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Containers <containers@...ts.osdl.org>,
	linux-nfs@...r.kernel.org
Subject: Re: [RFC][PATCH] sunrpc: fix oops in rpc_create() when the mount
 namespace is unshared


> The conservative play is to always force use of the initial namespace
> and to deny creation of mounts that would use different namespaces.  In part
> because the initial version of the namespace always exists.  Which means
> as relates to Cedrics initial patch we would still need to know which
> mounts should cause us to use a different uts namespace so we can deny
> them.

I will send the initial patch which forces use of the initial namespace because
it does fix a real oops. 

Then, I should be able to find some time to work on improving the uts namespace
checks when NFS mounts are done.

Thanks !

C.
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