From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35E8A32E156 for ; Thu, 27 Nov 2025 12:20:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764246046; cv=none; b=KD4Mk0cgJi6wv9BCqVjY5CwLYfq3JtIHWqwPwCoLCgxIR86sywT6KMgJowmTtTnuSY5UIDScmZ2KRAbOyu3o3mOAX88aXEj0JiQNoVY9cz8RkZnko62j/PiK7K4eQkTWfws5smht7+VLu2hOw1iJCZeAde2Xf5hPbQTGkjzUhek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764246046; c=relaxed/simple; bh=3ERbXbzNJtuwcEyji1irl/PUVl+PwRw7QXzK6uwGFo0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=tz77WuzI0FEO1pc3ypyHH524An49M7Etczhk06gk4h+WWy8xYtc88w6O7Pv0zTMctKkWSuWslA5AwKAMU/onK7R3IdHv98nLuq9RLPGHnNOnRn9HOaqJ1h07KY6jav9Ldkcbw5AWGUaR3Edx6v70rDF+9FHSnDiFySrCcZDSjPI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UROH+dL1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UROH+dL1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0048C4CEF8; Thu, 27 Nov 2025 12:20:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764246045; bh=3ERbXbzNJtuwcEyji1irl/PUVl+PwRw7QXzK6uwGFo0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=UROH+dL1BT98VjAR40MCm23j6PODqjZ5JQ4KW8sKHwkhGPxeC2UjF94/ujC7CVjz3 YqnOoxWUU7JcLbcWNyZu6+R4UQ6DzYH5ERyntC9Iu1bUOD7R/HysBIP+h29wC2/4uU fo2DzACTvAwp6rfhYmH/zeAWaV/ibQV68KZrmECP21bQ7m/MtjOdHZ59PuH106OcIx mu/0e9HOHXPyXlkTwp614n8EQchIAarud8LGPIGw3+yS35WtuctbHw/YoUGoIWm/t3 IDPjJbJM5ZVt/VL9ZtpQbe1MJaLZZJMaNEeqlAaHl4S5RoxlqP43FecGwoYLE9/rNA dxctHziIp2bXQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70E0D380CFEF; Thu, 27 Nov 2025 12:20:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v1 net-next] mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose(). From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176424600726.2553841.2265045087455449510.git-patchwork-notify@kernel.org> Date: Thu, 27 Nov 2025 12:20:07 +0000 References: <20251125195331.309558-1-kuniyu@google.com> In-Reply-To: <20251125195331.309558-1-kuniyu@google.com> To: Kuniyuki Iwashima Cc: matttbe@kernel.org, martineau@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, geliang@kernel.org, horms@kernel.org, kuni1840@gmail.com, netdev@vger.kernel.org, syzbot+3a92d359bc2ec6255a33@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : 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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html