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Date:   Mon, 27 Feb 2017 13:02:30 -0800
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>,
        Cong Wang <xiyou.wangcong@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        James Morris <jmorris@...ei.org>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Patrick McHardy <kaber@...sh.net>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        syzkaller <syzkaller@...glegroups.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: net/ipv6: null-ptr-deref in ip6_route_del/lock_acquire

On 2/27/17 12:37 PM, Andrey Konovalov wrote:
> That's what I thought when I read your message, thanks!
> 
> I was just confused by David saying that the fuzzer is doing something
> interesting, when the reproducer is just an ioctl call on a socket.

It means I have a cold, recently off a plane and not processing what I
was reading.

The interesting part was intent to delete the null route, but then Cong
mentioned that in his commit message.

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