From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 7AEF6470115; Tue, 21 Jul 2026 18:30:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784658656; cv=none; b=nPUtjdAU1axM8R/SkOgw5hsOCtakDJ05g9f/V8XFoXHrJXautAJU29jsZ8Xp7MooYQsB0FvvJDnqu5OyAH8Tn0fHPQ7ujxzRzxsxPxelJSAnvyaactzLxjCCvBg9rOdPvS0SHeE+mArjZ/ZshALRcWhW4Mk+um7hoRLdAmmuOfA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784658656; c=relaxed/simple; bh=dBxOrRIWdHZFStPPW1Q9cbdtwWtQcSOPF6BeDWm5w2I=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=eYOoiY8KPtLbJC/bm/sx2rzbUv1c6Smqs7HmsZWs0wRaAsTUBl0wZ2OBg52vV+pD+rIUgB8qFzfGcY+2wTfp+MQByAwV486E5xRQwOAVU3ASbBgrAHOLbVhHd9UECAeDs1DmpKNbuCm5YPPrq36SakDXYe5SSjZLdAs/COlAHHo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZU9GtBtw; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZU9GtBtw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56C8C1F00A3E; Tue, 21 Jul 2026 18:30:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784658654; bh=HgWatc5Kr9sPHMrTsQOPC/SAR3Kik5oSiJY/pHZe6uU=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=ZU9GtBtwwj/0nVad5ZCEG3+EDV5wkX5cWci4pJs+6ACWs4mbYGsRPya2Miy3CXp27 mFvhbuTiWGnwLl9oPua5r2kAGMbyG9uynA5dPYUjUQpog28TDIhEAvqn3BDy3fdVMq mBPsH9NZZ9Mm0hr1y4li9HCNmhtLcN/WwXNAZqTBnZarBIcpp9akSRrcy4PM1YFIwh 0s6Gv9s3mQk6wxv+ieGy8kdfYNEXhLmNCqvp2GG9LD6atmCkxtwMwAqI/fe9cQUWwW jd2YbT+V5aKyE9ILNWX0d1Gy2dpQ4rgFQowcIDoD9m0ZTmC/bT/Bd0sdJRL/dzUp2U QBG/SAlUNRhLA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 1991039253EE; Tue, 21 Jul 2026 18:30:25 +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 net v3] mptcp: only set DATA_FIN when a mapping is present From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178465862363.931197.5667414572140309118.git-patchwork-notify@kernel.org> Date: Tue, 21 Jul 2026 18:30:23 +0000 References: <20260709191925.2811195-1-michael.bommarito@gmail.com> In-Reply-To: <20260709191925.2811195-1-michael.bommarito@gmail.com> To: Michael Bommarito Cc: matttbe@kernel.org, martineau@kernel.org, geliang@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, gang.yan@linux.dev, mptcp@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 9 Jul 2026 15:19:25 -0400 you wrote: > mptcp_get_options() clears only the status group of struct > mptcp_options_received; data_seq, subflow_seq and data_len are filled in > by mptcp_parse_option() exclusively inside the DSS mapping block, which > runs only when the DSS M (mapping present) bit is set. > > A peer can send a DSS option with the DATA_FIN flag set but the mapping > bit clear. The parser then records mp_opt->data_fin while leaving > data_len and data_seq uninitialized. For a zero-length segment > mptcp_incoming_options() evaluates > > [...] Here is the summary with links: - [net,v3] mptcp: only set DATA_FIN when a mapping is present https://git.kernel.org/netdev/net/c/b2ff91b752b0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html