linux-kernel - Re: dst refcount is -1

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Message-ID: <CAEA6p_B+QsAKb=F=O+k4iy-n-q2w9S9UWG0EEny7ZaUOYO0MMQ@mail.gmail.com>
Date:   Tue, 19 Dec 2017 10:09:08 -0800
From:   Wei Wang <weiwan@...gle.com>
To:     Ortwin Glück <odi@....ch>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: dst refcount is -1

On Tue, Dec 19, 2017 at 2:56 AM, Ortwin Glück <odi@....ch> wrote:
> Hi,
>
> On 4.14.6 I just got this (on a busy firewall):
> [Tue Dec 19 11:15:59 2017] dst_release: dst:ffff9bb7aca0d6c0 refcnt:-1
>
> Are you sure the refcounting is now correct?
>
> Ortwin

Would you give more details under what circumstances it happened?
What kind of traffic is running? IPv4? IPv6? Or Both? Do you use xfrm?