netdev - Re: vxlan: use after free error

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Date:   Tue, 30 May 2017 13:47:55 +0200
From:   Jiri Benc <jbenc@...hat.com>
To:     Roopa Prabhu <roopa@...ulusnetworks.com>
Cc:     Mark Bloch <markb@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        pravin shelar <pshelar@....org>,
        Alexander Duyck <aduyck@...antis.com>,
        Nicolas Dichtel <nicolas.dichtel@...nd.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Balki Raman <ramanb@...ulusnetworks.com>
Subject: Re: vxlan: use after free error

On Mon, 29 May 2017 11:37:22 -0700, Roopa Prabhu wrote:
> This code is also hit via the OVS path, and i don't see a problem with
> your changes and analysis but i am not too familiar with the ovs call
> path. I see that the relevant developers are CC'ed.

I don't see a problem with ovs and this patch. Ovs calls
rtnl_delete_link.

I'd prefer to have the code in a vxlan_vs_del_dev function to be
symmetrical with vxlan_vs_add_dev similarly to what Roopa suggested. If
you keep me in CC while resending I'll be happy to add my ack to the
patch.

Thanks!

 Jiri