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From: Andrey Konovalov <andreyknvl@google.com>
Date: Thu, 20 Apr 2017 17:39:14 +0200
Message-ID: <CAAeHK+yzCYZ+OU+eTpNLy-_X=7HSNUDML6jcVBKK9sxJ2ByORg@mail.gmail.com>
Subject: Re: net: heap out-of-bounds in fib6_clean_node/rt6_fill_node/fib6_age/fib6_prune_clone
To: David Ahern <dsa@cumulusnetworks.com>
Cc: Dmitry Vyukov <dvyukov@google.com>,
        Cong Wang <xiyou.wangcong@gmail.com>,
        Eric Dumazet <eric.dumazet@gmail.com>,
        Mahesh Bandewar <maheshb@google.com>,
        Eric Dumazet <edumazet@google.com>, David Miller <davem@davemloft.net>,
        Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
        James Morris <jmorris@namei.org>,
        Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
        Patrick McHardy <kaber@trash.net>, netdev <netdev@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        syzkaller <syzkaller@googlegroups.com>
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On Thu, Apr 20, 2017 at 5:35 PM, David Ahern <dsa@cumulusnetworks.com> wrote:
> On 4/20/17 9:28 AM, Andrey Konovalov wrote:
>> This one seems to be much closer to what Dmitry reported intially.
>
> does not repro here; I ran in a loop and nothing.

You use the attached config, right?

>
> can you send output of "sysctl -a --pattern 'net.ipv6'"

Uploaded here:
https://gist.github.com/xairy/7b6988c9cd8fda5458005df05584ff27