netdev - Re: net: GPF in rt6_nexthop

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Message-ID: <1a390cbd-1d99-a739-ed94-e0c9d1eecb4a@cumulusnetworks.com>
Date:   Tue, 28 Feb 2017 15:09:59 -0800
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Cc:     David Miller <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Cong Wang <xiyou.wangcong@...il.com>, ycheng@...gle.com,
        Willem de Bruijn <willemb@...gle.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: net: GPF in rt6_nexthop_info

On 2/28/17 5:10 AM, Eric Dumazet wrote:
> David, rt->rt6i_idev can be NULL.

Do you know of an example where rt6i_idev can be NULL - besides the
null_entry rt which is null only because of init order?