netdev - Re: BUG: Fatal in exception in interrupt, at nf_conncount

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Date:   Mon, 12 Nov 2018 15:10:45 +0100
From:   Florian Westphal <fw@...len.de>
To:     Bruno Prémont <bonbons@...ophe.eu>
Cc:     Yi-Hung Wei <yihung.wei@...il.com>,
        Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        "David S. Miller" <davem@...emloft.net>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org
Subject: Re: BUG: Fatal in exception in interrupt, at nf_conncount_count
 [regression in 4.19(.1)]

Bruno Prémont <bonbons@...ophe.eu> wrote:
> Hi,
> 
> With linux-4.19.1 I'm seeing regular kernel panics since this night
> with uptime of 5 to 30 minutes in between. System is not heavily loaded.
[..]

> It looks like those locking related changes may be the cause.

Yes.

> Bisecting it will be hard as I don't have exact packet stream

No need.  Can you give these three patches a try?

https://patchwork.ozlabs.org/project/netfilter-devel/list/?series=73972