linux-kernel - Re: [PATCH net 0/3] mptcp: fix fallback-related races

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Message-Id: 
 <175262641675.629458.14397813490608443353.git-patchwork-notify@kernel.org>
Date: Wed, 16 Jul 2025 00:40:16 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Matthieu Baerts (NGI0) <matttbe@...nel.org>
Cc: mptcp@...ts.linux.dev, martineau@...nel.org, geliang@...nel.org,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 horms@...nel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org, syzbot+5cf807c20386d699b524@...kaller.appspotmail.com
Subject: Re: [PATCH net 0/3] mptcp: fix fallback-related races

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Mon, 14 Jul 2025 18:41:43 +0200 you wrote:
> This series contains 3 fixes somewhat related to various races we have
> while handling fallback.
> 
> The root cause of the issues addressed here is that the check for
> "we can fallback to tcp now" and the related action are not atomic. That
> also applies to fallback due to MP_FAIL -- where the window race is even
> wider.
> 
> [...]

Here is the summary with links:
  - [net,1/3] mptcp: make fallback action and fallback decision atomic
    https://git.kernel.org/netdev/net/c/f8a1d9b18c5e
  - [net,2/3] mptcp: plug races between subflow fail and subflow creation
    https://git.kernel.org/netdev/net/c/def5b7b2643e
  - [net,3/3] mptcp: reset fallback status gracefully at disconnect() time
    https://git.kernel.org/netdev/net/c/da9b2fc7b73d

You are awesome, thank you!
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