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From: Eric Dumazet <edumazet@google.com>
Date: Wed, 10 Jan 2024 11:41:13 +0100
Message-ID: <CANn89iLe9q3EyouoiSfodGBuQd1bHo5BhQifk47L9gG7x29Gbg@mail.gmail.com>
Subject: Re: [PATCH] net: tcp: accept old ack during closing
To: Menglong Dong <menglong8.dong@gmail.com>
Cc: davem@davemloft.net, dsahern@kernel.org, kuba@kernel.org, 
	pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org
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On Wed, Jan 10, 2024 at 11:25=E2=80=AFAM Eric Dumazet <edumazet@google.com>=
 wrote:
>
> On Wed, Jan 10, 2024 at 4:08=E2=80=AFAM Menglong Dong <menglong8.dong@gma=
il.com> wrote:
> >
>
> >
> > Oops, It should be "SKB_DR_SET(reason, NOT_SPECIFIED);" here.
> > Sorry that I shouldn't be too confident to compile it.
> >
>
> net-next is closed, come back in ~two weeks, thanks.

Also look at commit d0e1a1b5a833b625c ("tcp: better validation of
received ack sequences"), for some context.