From: Eric Dumazet <eric.dumazet@gmail.com>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
netdev@vger.kernel.org
Cc: davem@davemloft.net, eric.dumazet@gmail.com,
Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH net-next] tcp: rate limit synflood warnings further
Date: Mon, 10 Sep 2018 00:52:14 -0700 [thread overview]
Message-ID: <872d627b-1f03-94fc-2444-13e9e59404a0@gmail.com> (raw)
In-Reply-To: <20180909231212.212470-1-willemdebruijn.kernel@gmail.com>
On 09/09/2018 04:12 PM, Willem de Bruijn wrote:
> From: Willem de Bruijn <willemb@google.com>
>
> Convert pr_info to net_info_ratelimited to limit the total number of
> synflood warnings.
>
> Commit 946cedccbd73 ("tcp: Change possible SYN flooding messages")
> rate limits synflood warnings to one per listener.
>
> Workloads that open many listener sockets can still see a high rate of
> log messages. Syzkaller is one frequent example.
>
> Signed-off-by: Willem de Bruijn <willemb@google.com>
Thanks Willem
Signed-off-by: Eric Dumazet <edumazet@google.com>
next prev parent reply other threads:[~2018-09-10 12:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-09 23:12 [PATCH net-next] tcp: rate limit synflood warnings further Willem de Bruijn
2018-09-10 7:52 ` Eric Dumazet [this message]
2018-09-12 6:35 ` David Miller
2018-09-12 13:39 ` Willem de Bruijn
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