netdev - Re: [PATCH net] tcp: Reset bytes_acked and bytes

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Message-ID: <CANn89iK7_girR-iFzsv31NLB34KyS+Lw5GO5urDjhUVeLLywPA@mail.gmail.com>
Date:   Mon, 8 Jul 2019 14:26:21 +0200
From:   Eric Dumazet <edumazet@...gle.com>
To:     Christoph Paasch <cpaasch@...le.com>
Cc:     netdev <netdev@...r.kernel.org>, David Miller <davem@...emloft.net>
Subject: Re: [PATCH net] tcp: Reset bytes_acked and bytes_received when disconnecting

On Sun, Jul 7, 2019 at 1:13 AM Christoph Paasch <cpaasch@...le.com> wrote:
>
> If an app is playing tricks to reuse a socket via tcp_disconnect(),
> bytes_acked/received needs to be reset to 0. Otherwise tcp_info will
> report the sum of the current and the old connection..
>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Fixes: 0df48c26d841 ("tcp: add tcpi_bytes_acked to tcp_info")
> Fixes: bdd1f9edacb5 ("tcp: add tcpi_bytes_received to tcp_info")
> Signed-off-by: Christoph Paasch <cpaasch@...le.com>
> ---


Signed-off-by: Eric Dumazet <edumazet@...gle.com>

I am sure other fields miss their zeroing as well.