netdev - Re: [PATCH v1 net-next] mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do

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Message-Id: 
 <176424600726.2553841.2265045087455449510.git-patchwork-notify@kernel.org>
Date: Thu, 27 Nov 2025 12:20:07 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kuniyuki Iwashima <kuniyu@...gle.com>
Cc: matttbe@...nel.org, martineau@...nel.org, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, geliang@...nel.org,
 horms@...nel.org, kuni1840@...il.com, netdev@...r.kernel.org,
 syzbot+3a92d359bc2ec6255a33@...kaller.appspotmail.com
Subject: Re: [PATCH v1 net-next] mptcp: Initialise rcv_mss before calling
 tcp_send_active_reset() in mptcp_do_fastclose().

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Tue, 25 Nov 2025 19:53:29 +0000 you wrote:
> syzbot reported divide-by-zero in __tcp_select_window() by
> MPTCP socket. [0]
> 
> We had a similar issue for the bare TCP and fixed in commit
> 499350a5a6e7 ("tcp: initialize rcv_mss to TCP_MIN_MSS instead
> of 0").
> 
> [...]

Here is the summary with links:
  - [v1,net-next] mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().
    https://git.kernel.org/netdev/net/c/f07f4ea53e22

You are awesome, thank you!
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