linux-kernel - Re: [PATCH] userns: initialize the depth of user

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Date:	Wed, 14 Aug 2013 14:44:56 +0800
From:	Rui Xiang <rui.xiang@...wei.com>
To:	Andy Lutomirski <luto@...capital.net>
CC:	<linux-kernel@...r.kernel.org>, <oleg@...hat.com>
Subject: Re: [PATCH] userns: initialize the depth of user_namespace chain

On 2013/8/14 13:06, Andy Lutomirski wrote:
> On Tue, Aug 13, 2013 at 10:04 PM, Rui Xiang <rui.xiang@...wei.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.
but the initialization of level should be necessary.


Thanks.

> --Andy
> 
>>
>> Signed-off-by: Rui Xiang <rui.xiang@...wei.com>
>> ---
>>  kernel/user.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/kernel/user.c b/kernel/user.c
>> index 69b4c3d..32da187 100644
>> --- a/kernel/user.c
>> +++ b/kernel/user.c
>> @@ -48,6 +48,7 @@ struct user_namespace init_user_ns = {
>>                 },
>>         },
>>         .count = ATOMIC_INIT(3),
>> +       .level = 1,
>>         .owner = GLOBAL_ROOT_UID,
>>         .group = GLOBAL_ROOT_GID,
>>         .proc_inum = PROC_USER_INIT_INO,
>> --
>> 1.8.2.2
>>
> 
> 
> 


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