From: Oleg Nesterov <oleg@redhat.com>
To: Rui Xiang <rui.xiang@huawei.com>
Cc: Andy Lutomirski <luto@amacapital.net>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] userns: initialize the depth of user_namespace chain
Date: Wed, 14 Aug 2013 20:43:52 +0200 [thread overview]
Message-ID: <20130814184352.GA6381@redhat.com> (raw)
In-Reply-To: <520B2768.1090001@huawei.com>
On 08/14, Rui Xiang wrote:
>
> On 2013/8/14 13:06, Andy Lutomirski wrote:
> > On Tue, Aug 13, 2013 at 10:04 PM, Rui Xiang <rui.xiang@huawei.com> wrote:
> >> The level of init_user_ns shoule be 1.
> >
> > What's wrong with zero?
> >
>
> No problem. It is just consistent with commit 8742f229b63, IMHO.
Well, I am fine either way,
> but the initialization of level should be necessary.
but it is not necessary. This is just an "arbitrary" limit for now,
32 non-root namespaces. Perhaps we should count init_user_ns too.
Hmm. but I just realized that "> 32" in create_user_ns() should be
">= 32" in this case.
Oleg.
next prev parent reply other threads:[~2013-08-14 18:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-14 5:04 [PATCH] userns: initialize the depth of user_namespace chain Rui Xiang
2013-08-14 5:06 ` Andy Lutomirski
2013-08-14 6:44 ` Rui Xiang
2013-08-14 18:43 ` Oleg Nesterov [this message]
2013-08-15 1:50 ` Rui Xiang
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