netdev - Re: [PATCH net] ipv6: move stub initialization after ipv6 setup completion

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Date:   Mon, 24 Apr 2017 10:02:08 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: [PATCH net] ipv6: move stub initialization after ipv6 setup completion

On Mon, Apr 24, 2017 at 5:18 AM, Paolo Abeni <pabeni@...hat.com> wrote:
> The ipv6 stub pointer is currently initialized before the ipv6
> routing subsystem: a 3rd party can access and use such stub
> before the routing data is ready.
> Moreover, such pointer is not cleared in case of initialization
> error, possibly leading to dangling pointers usage.
>
> This change addresses the above moving the stub initialization
> at the end of ipv6 init code.
>
> Fixes: 5f81bd2e5d80 ("ipv6: export a stub for IPv6 symbols used by vxlan")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>

Acked-by: Cong Wang <xiyou.wangcong@...il.com>