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From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu, 20 Oct 2016 14:39:48 -0700
Message-ID: <CAM_iQpVLipc3erD2HStuP+3SXdnz3VLDF7f9psCcfcV++h0H2Q@mail.gmail.com>
Subject: Re: [4.9-rc1, selinux/audit/netlink, regression?] Warning at kernel/softirq.c:161
To: Dave Chinner <david@fromorbit.com>
Cc: LKML <linux-kernel@vger.kernel.org>
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On Thu, Oct 20, 2016 at 2:30 PM, Dave Chinner <david@fromorbit.com> wrote:
> Hi folks,
>

Hi,

> A test vm was sitting idle overnight, and just after midnight it
> threw this warning:
>
>  ------------[ cut here ]------------
>  WARNING: CPU: 3 PID: 14397 at kernel/softirq.c:161 __local_bh_enable_ip+0x76/0xa0
>  Modules linked in:
>  CPU: 3 PID: 14397 Comm: pmlogger Not tainted 4.9.0-rc1-dgc+ #1006
>  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
>   ffffc9000a407ba0 ffffffff81822120 0000000000000000 0000000000000000
>   ffffc9000a407be0 ffffffff810b69fb 000000a133ac6b00 0000000000000201
>   00000000ffffffff ffffffff8257eec0 ffff88013892a400 ffff88013a0c1c00
>  Call Trace:
>   [<ffffffff81822120>] dump_stack+0x63/0x83
>   [<ffffffff810b69fb>] __warn+0xcb/0xf0
>   [<ffffffff810b6aed>] warn_slowpath_null+0x1d/0x20
>   [<ffffffff810bc296>] __local_bh_enable_ip+0x76/0xa0
>   [<ffffffff81c8e92e>] _raw_spin_unlock_bh+0x1e/0x20
>   [<ffffffff81b61372>] peernet2id+0x42/0x50

We are discussing a fix:
https://patchwork.ozlabs.org/patch/684753/

Thanks.