netdev - Re: net/ipv4: use-after-free in ip_queue

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Message-ID: <CAAeHK+w+DcYC8NVSCJeX-=8H7OYeEpeMU4n8y7-ofPVCorwqqg@mail.gmail.com>
Date:   Tue, 18 Apr 2017 19:45:04 +0200
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     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>,
        Eric Dumazet <edumazet@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: net/ipv4: use-after-free in ip_queue_xmit

On Tue, Apr 18, 2017 at 6:05 PM, Cong Wang <xiyou.wangcong@...il.com> wrote:
> On Tue, Apr 18, 2017 at 5:15 AM, Andrey Konovalov <andreyknvl@...gle.com> wrote:
>> Yes, I don't have this field in the rtable struct.
>>
>> I'm on 39da7c509acff13fc8cb12ec1bb20337c988ed36 (4.11-rc6).
>>
>> I also don't see it in the cross reference:
>> http://lxr.free-electrons.com/source/include/net/route.h#L51
>>
>
> It is provided by my patch: https://patchwork.ozlabs.org/patch/747556/
> which means you applied an incomplete patch... :-/

Oops, my bad.

Applied the patch.

Thanks!