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: <89026cab-cbc4-4d4d-eaf4-0dd7f10e5c12@cumulusnetworks.com>
Date:   Tue, 25 Apr 2017 10:40:10 -0600
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Dmitry Vyukov <dvyukov@...gle.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>,
        Cong Wang <xiyou.wangcong@...il.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: net: heap out-of-bounds in
 fib6_clean_node/rt6_fill_node/fib6_age/fib6_prune_clone

On 4/25/17 10:38 AM, Andrey Konovalov wrote:
> I'll keep fuzzing in the meantime to make sure.
> Maybe I'll be able to collect more reports or even another reproducer.

start a new email thread for each stack trace. I'll write a debug patch
for the trace you hit today.