From mboxrd@z Thu Jan  1 00:00:00 1970
From: subashab@codeaurora.org
Subject: Re: net: deadlock on genl_mutex
Date: Mon, 28 Nov 2016 22:59:28 -0700
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 <CANn89iJ1G4e655RnfcGK9RwmSSb2L=ZBSq9e2gpHVNmkUOYUxg@mail.gmail.com>
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Cc: David Miller <davem@davemloft.net>,
        Matti Vaittinen <matti.vaittinen@nokia.com>,
        Tycho Andersen <tycho.andersen@canonical.com>,
        Cong Wang <xiyou.wangcong@gmail.com>,
        Florian Westphal <fw@strlen.de>,
        stephen hemminger <stephen@networkplumber.org>,
        Tom Herbert <tom@herbertland.com>,
        netdev <netdev@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Richard Guy Briggs <rgb@redhat.com>,
        syzkaller <syzkaller@googlegroups.com>,
        netdev-owner@vger.kernel.org
To: Eric Dumazet <edumazet@google.com>,
        Dmitry Vyukov <dvyukov@google.com>
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> 
> Issue was reported yesterday and is under investigation.
> 
> 
> http://marc.info/?l=linux-netdev&m=148014004331663&w=2
> 
> 
> Thanks !

Hi Dmitry

Can you try the patch below with your reproducer? I haven't seen similar 
crashes reported after this (or even with Eric's patch).

https://patchwork.ozlabs.org/patch/699937/