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From:   Eric Dumazet <edumazet@google.com>
Date:   Sun, 23 Feb 2020 23:55:29 -0800
Message-ID: <CANn89i+r0r2WcKf9cGQVCQHFdmWhvVdDOFXVfdS9vkq0BPTjhg@mail.gmail.com>
Subject: Re: warning messages for net/ipv4/tcp_output.c
To:     Vieri Di Paola <vieridipaola@gmail.com>
Cc:     Eric Dumazet <eric.dumazet@gmail.com>,
        Neal Cardwell <ncardwell@google.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Netdev <netdev@vger.kernel.org>
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On Fri, Feb 21, 2020 at 2:11 PM Vieri Di Paola <vieridipaola@gmail.com> wrote:
>
> On Wed, Feb 12, 2020 at 4:47 AM Eric Dumazet <eric.dumazet@gmail.com> wrote:
> >
> > >> I get a lot of messages regarding net/ipv4/tcp_output.c in syslog.
>
> Hi,
>
> These warning messages were triggered by the Suricata IDS/IPS software
> when used in NFQUEUE "repeat mode".
> I've found a workaround, so I don't know if this issue needs to be addressed.
>

I would contact netfilter team ( netfilter-devel@vger.kernel.org )
since this looks like a netfilter issue.

Thanks.

> Regards,
>
> Vieri