netdev - Re: WARN_ON() in __nf_hook_entries_try

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Message-ID: <20170908021124.1f4f409e@elisabeth>
Date:   Fri, 8 Sep 2017 02:11:24 +0200
From:   Stefano Brivio <sbrivio@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Aaron Conole <aconole@...heb.org>, Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        David Miller <davem@...emloft.net>,
        NetFilter <netfilter-devel@...r.kernel.org>,
        coreteam@...filter.org,
        Network Development <netdev@...r.kernel.org>
Subject: Re: WARN_ON() in __nf_hook_entries_try_shrink()

On Thu, 7 Sep 2017 17:01:12 -0700
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On shutdown I get this (edited down a bit to be more legible):
> 
>   Stopping firewalld - dynamic firewall daemon...
>   NETFILTER_CFG table=nat family=2 entries=55
>   NETFILTER_CFG table=mangle family=2 entries=40
>   NETFILTER_CFG table=raw family=2 entries=28
>   NETFILTER_CFG table=security family=2 entries=13
>   NETFILTER_CFG table=filter family=2 entries=93
>   ------------[ cut here ]------------
>   WARNING: CPU: 1 PID: 21512 at net/netfilter/core.c:218
> __nf_hook_entries_try_shrink+0x106/0x130

Should be fixed by:

	http://patchwork.ozlabs.org/patch/810570/

--
Stefano