Subject: Re: [PATCH net 2/2] netns: don't allocate an id for dead netns

From: Nicolas Dichtel <[email-masked]>
Date: Sun, 05 Apr 2015 10:39:53 +0200

Le 03/04/2015 18:36, David Miller a écrit :
> From: Nicolas Dichtel <[email-masked]>
> Date: Fri,  3 Apr 2015 12:02:37 +0200
>
>> First, let's explain the problem.
>> Suppose you have an ipip interface that stands in the netns foo and its link
>> part in the netns bar (so the netns bar has an nsid into the netns foo).
>> Now, you remove the netns bar:
>>   - the bar nsid into the netns foo is removed
>>   - the netns exit method of ipip is called, thus our ipip iface is removed:
>>     => a netlink message is built in the netns foo to advertise this deletion
>>     => this netlink message requests an nsid for bar, thus a new nsid is
>>        allocated for bar and never removed.
>>
>> This patch adds a check in peernet2id() so that an id cannot be allocated for
>> a netns which is currently destroyed.
>>
>> Signed-off-by: Nicolas Dichtel <[email-masked]>
>
> Applied.
>
I don't see these patches in your tree, maybe you forget to push them on
kernel.org?
My other series will conflict with these patches, is it possible to merge
net into net-next after them?