From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793887807; b=T5V+OJDjHMWR9ypOmyPbklbHCCbAouBGjwA3kaHoL/SO28nMLznmtAW6uzXy5jhVm9sn H94SutiFfaqGimT4+6HoUPTQ2/dH5m4Ejfks/lPe3SIdFtSsAWi/D2DCWSEQ+1yRT+l2G fRgt1uncZ+EUl/TwqX9fxVjB19WIsBpeOOixA1FFzQP6gBxUHl6Fi7qiRq9L8MhWNT3mf E9fgXb38smSLUthkSu+0ko7+WUODxAPeOvh7CeZfF7rj4erRNG88OVxqyKQ7tP+uW4ent h+vVZC3hIzTOgiUk5HJf5FcQdWl6oWB8nJi5gza4PwWf3nPAQItYNvarCK5cMqVClrA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793887807; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=fPWc/9PjRvCbS/gxkmZWbhNKYXJiH6BMZd4rli5z0qg=; b=3bSPO4+Tbj+kZKK5aRMVn8q3dFA4fkSpC9BZ1V1XNnRcBilNbVi3WmAw0ma+B+Zd0OAA OmeWSK4QRv0yLtka43KIebeV57k1gFAs47VWESC4RU8KsN0bkydDfGG2+qxX9SDu44LdR lqQshv1e9fFJ1JgtIQPL7qWH1ZkfbZENT1xsMsVtZjxAk5w2EOC0F07jmIzjY8fMdOurY CV0D4gh+a8UyrpkiidYNveqdDkoMIpqyPY7M7tEXc5fuTYeFnN8CmNM+ph/dC9K38vJGT gT1tDneNvqeD8SF5d2CE4HZ4gkqrCb/46+ofaO0lZuhpoh80kTjW4VNN89pY+veHsSg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=gkTVR8rm; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 349F5606A31B; Thu, 5 Nov 2026 14:10:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=gkTVR8rm Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0FCE61F00919; Thu, 5 Nov 2026 14:10:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793887807; bh=fPWc/9PjRvCbS/gxkmZWbhNKYXJiH6BMZd4rli5z0qg=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=gkTVR8rmfjGDmiTF6QhfbQMbRdIP1NgpLaf/Ib5xSMa2jERGdn2Y+KlTaCSBmtjFm fOWGkkBgbBM+hsCySYo3Fn3HcPFF9XKA4JNtIqCzdJMRAvouuCaRFggbhIdv8bBgXH Qt3e8YjXz4XL71oYtI6cERzW4HHxNQl1uxJ21G/OkeZTcIuhniw4wxKdDx3eYBz4dm a68OeHgRRZjmvqwMwAOGkzp02376aYoYNDyjIGnooejRfDJImOSab6aIDhrfHRRbUr 0DWsGjlzdJ4l0d9VteZUEp16jNypagXszob0frSsUoToZdT+vi4mWGAgFSeyTK5Wen dR5b9V2iMNUQg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 03217391AF93; Thu, 5 Nov 2026 14:10:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] mptcp: pm: kernel: use RCU to free endpoint listeners From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179388780580.3729553.2491090300566756882.git-patchwork-notify@kernel.org> Date: Thu, 05 Nov 2026 14:10:05 +0000 References: <20261030042255.74216-1-kylebot@openai.com> In-Reply-To: <20261030042255.74216-1-kylebot@openai.com> To: Kyle Zeng Cc: mptcp@lists.linux.dev, matttbe@kernel.org, martineau@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, outbounddisclosures@openai.com Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Thu, 29 Oct 2026 21:22:55 -0700 you wrote: > mptcp_pm_nl_create_listen_socket() starts the TCP listener directly > instead of going through mptcp_listen(). It consequently misses setting > SOCK_RCU_FREE on the parent MPTCP socket. > > tcp_child_process() can invoke the listener's subflow_data_ready() > callback without holding the MPTCP parent lock or a reference to the > parent. An authenticated MP_JOIN racing with endpoint teardown can > therefore access the parent after its last reference has been dropped. > The ADD_ADDR error path can also close an already published listener. > > [...] Here is the summary with links: - mptcp: pm: kernel: use RCU to free endpoint listeners https://git.kernel.org/netdev/net/c/49b09ae0bf57 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html