linux-kernel - Re: net: heap out-of-bounds in fib6_clean_node/rt6_fill_node/fib6_age/fib6_prune

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Message-ID: <623b6343-14f4-945d-a1bd-c9971b9566c2@cumulusnetworks.com>
Date:   Thu, 20 Apr 2017 09:35:51 -0600
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Mahesh Bandewar <maheshb@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        David 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>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: net: heap out-of-bounds in
 fib6_clean_node/rt6_fill_node/fib6_age/fib6_prune_clone

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.

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