From: David Howells <dhowells@redhat.com>
To: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: dhowells@redhat.com, Vegard Nossum <vegard.nossum@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Eric Sesterhenn <snakebyte@gmx.de>,
containers@lists.osdl.org, linux-kernel@vger.kernel.org,
Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: namespaces?: bug at mm/slub.c:2750
Date: Wed, 11 Feb 2009 18:03:01 +0000 [thread overview]
Message-ID: <2532.1234375381@redhat.com> (raw)
In-Reply-To: <20090211172416.GA30756@us.ibm.com>
Serge E. Hallyn <serue@us.ibm.com> wrote:
> It's called under uidhash_lock spinlock so should be ok, but in
> principle you're right so it's probably a good idea.
The lock is nothing to do with it. put_user_ns() may call kfree() on the
user_namespace, but the user_struct given to uid_hash_remove() may still be
attached to it.
David
next prev parent reply other threads:[~2009-02-11 18:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-06 11:35 namespaces?: bug at mm/slub.c:2750 Eric Sesterhenn
2009-02-07 0:15 ` Andrew Morton
2009-02-09 11:53 ` Eric Sesterhenn
2009-02-11 7:55 ` Vegard Nossum
2009-02-11 8:07 ` Andrew Morton
2009-02-11 10:48 ` Vegard Nossum
2009-02-11 16:37 ` Serge E. Hallyn
2009-02-11 17:02 ` David Howells
2009-02-11 17:24 ` Serge E. Hallyn
2009-02-11 18:00 ` Vegard Nossum
2009-02-11 18:03 ` David Howells [this message]
2009-02-11 19:38 ` Serge E. Hallyn
2009-02-11 20:42 ` David Howells
2009-02-11 21:21 ` Serge E. Hallyn
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