netdev - Re: [PATCH net-next] tcp: accept bare FIN packets under memory pressure

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Message-Id: 
 <171335522840.25671.6144928889217490556.git-patchwork-notify@kernel.org>
Date: Wed, 17 Apr 2024 12:00:28 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, eric.dumazet@...il.com, aoates@...gle.com,
 ncardwell@...gle.com, cpaasch@...le.com, vidhi_goel@...le.com
Subject: Re: [PATCH net-next] tcp: accept bare FIN packets under memory pressure

Hello:

This patch was applied to netdev/net-next.git (main)
by David S. Miller <davem@...emloft.net>:

On Tue, 16 Apr 2024 09:50:54 +0000 you wrote:
> Andrew Oates reported that some macOS hosts could repeatedly
> send FIN packets even if the remote peer drops them and
> send back DUP ACK RWIN 0 packets.
> 
> <quoting Andrew>
> 
>  20:27:16.968254 gif0  In  IP macos > victim: Flags [SEW], seq 1950399762, win 65535, options [mss 1460,nop,wscale 6,nop,nop,TS val 501897188 ecr 0,sackOK,eol], length 0
>  20:27:16.968339 gif0  Out IP victim > macos: Flags [S.E], seq 2995489058, ack 1950399763, win 1448, options [mss 1460,sackOK,TS val 3829877593 ecr 501897188,nop,wscale 0], length 0
>  20:27:16.968833 gif0  In  IP macos > victim: Flags [.], ack 1, win 2058, options [nop,nop,TS val 501897188 ecr 3829877593], length 0
>  20:27:16.968885 gif0  In  IP macos > victim: Flags [P.], seq 1:1449, ack 1, win 2058, options [nop,nop,TS val 501897188 ecr 3829877593], length 1448
>  20:27:16.968896 gif0  Out IP victim > macos: Flags [.], ack 1449, win 0, options [nop,nop,TS val 3829877593 ecr 501897188], length 0
>  20:27:19.454593 gif0  In  IP macos > victim: Flags [F.], seq 1449, ack 1, win 2058, options [nop,nop,TS val 501899674 ecr 3829877593], length 0
>  20:27:19.454675 gif0  Out IP victim > macos: Flags [.], ack 1449, win 0, options [nop,nop,TS val 3829880079 ecr 501899674], length 0
>  20:27:19.455116 gif0  In  IP macos > victim: Flags [F.], seq 1449, ack 1, win 2058, options [nop,nop,TS val 501899674 ecr 3829880079], length 0
> 
> [...]

Here is the summary with links:
  - [net-next] tcp: accept bare FIN packets under memory pressure
    https://git.kernel.org/netdev/net-next/c/2bd99aef1b19

You are awesome, thank you!
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