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Date:   Mon, 27 Feb 2017 21:05:54 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     David Ahern <dsa@...ulusnetworks.com>
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        "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 Mon, Feb 27, 2017 at 8:59 PM, David Ahern <dsa@...ulusnetworks.com> wrote:
> On 2/27/17 10:11 AM, Cong Wang wrote:
>> The attached patch fixes this crash, but I am not sure if it is the
>> best way to fix this bug yet...
>
> I'll take a look. I can not reproduce this using route or ip, so the
> fuzzer is doing something interesting.

Hi David,

I've attached a simple reproducer to the report, it doesn't work for you?

Thanks!

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