linux-kernel - Re: net: deadlock on genl

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Date:   Thu, 8 Dec 2016 17:16:07 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzkaller <syzkaller@...glegroups.com>
Cc:     Eric Dumazet <edumazet@...gle.com>,
        David Miller <davem@...emloft.net>,
        Matti Vaittinen <matti.vaittinen@...ia.com>,
        Tycho Andersen <tycho.andersen@...onical.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Florian Westphal <fw@...len.de>,
        stephen hemminger <stephen@...workplumber.org>,
        Tom Herbert <tom@...bertland.com>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Richard Guy Briggs <rgb@...hat.com>,
        netdev-owner@...r.kernel.org
Subject: Re: net: deadlock on genl_mutex

On Tue, Nov 29, 2016 at 6:59 AM,  <subashab@...eaurora.org> wrote:
>>
>> 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).

I've synced to 318c8932ddec5c1c26a4af0f3c053784841c598e (Dec 7) and do
_not_ see this report happening anymore.
Thanks.