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=1793887809; b=bckYPhSeHd1RgKrIFJXq4tCEk9MdjzFyFKQdmsdG2WvgSF6Icd9aZGmZjruHiUNPsJUe IL6HpHrWl1GZhMMcyIhIOGiAt3j6F+hAEBCCExxTtOOsNWQs29Ho7hxDCfQfG1kt3UQq8 V/cazQw65rvDNA7uGiImuScB0K7Q7O9GIZTKre54dnKygPq/fOGNnEQ4Viez8jglnI+d1 d3fJA1vCW9GLSb3rdIW0FCLSCJtHeRFpYg8IvXETtfV0HmeiG7rH4/adSr2pCWH0znkv6 uuA+pTOKXn31fhAygMHFxeUqeI7TW2BzUHPRLrLpirs+4lmoRPktogetLAw0pSnVgfQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793887809; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=Xx+Vfh7jrF1gF05UlkMCvhnqxtebQEJe8YY7pG2KVRQ=; b=4b8zXWK6EHz4HoIRVuqBfrPjS7ZnKKtf1rNMs2V5m7kLbJ9DLQG1S6IpZK0v/3sAI7j9 9o++hvu0UlwYqz2XCmqz1KmA5g0UOIMhm/BZBXmZHlrrafVtgEOmGxsPGX/GFp93yH6un +C9heKsI71A1hQnxaZU3AZyuj14lMQQT55JhDtNPvU/ujozMlKXBiaDQ01HrTj0JejTi4 pGV3gACxFa1u/vsmgn7kAPGJhMr/mc1dCGfw2zoTBg5wiJ5cbYrgAxZZ/6kU0eWyPpF9m jWmf8aNDkgZ02xBHxaSwS4XnMnk7Fp0XrZU9X5GKmCyUNrF01CcGTk1v2VEoLGL5unw== 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=fuZOjHBS; 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 CB4C6606A337; Thu, 5 Nov 2026 14:10:08 +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=fuZOjHBS Received: by smtp.kernel.org (Postfix) with ESMTPSA id 60EF01F000C1; Thu, 5 Nov 2026 14:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793887808; bh=Xx+Vfh7jrF1gF05UlkMCvhnqxtebQEJe8YY7pG2KVRQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=fuZOjHBSN0waoccOPH10JIUAKsxtKMaNyx4WxthifG6/OvvyN4P+0jmSctffSAItf HQm2z7UUbfW6At1Ljj7e4vayJ9N5CdF1uhSu8z4HLzhD1f7tKQy6s8nxn5QxFx18yF 8m2mjT1uXkupkko6AIXvMS/v+XnZRAcEAUuztZXdF3bmcjD6s51GduX18GAZpQLJcd wJG5JB+GPcZti6quyLeGNLoT0qWwfvj8WVRmYPgC4icfo2xpGE3Q/1sZ7jCPTKA7eg O8YC2rYIwp1Zz95VdtqsP2Pb5aO+21C5Arx91jCPfNRtjnsQxra4m4ic2w4LFpTlMK 43TjxqPHGEBlA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 58E9B391AF93; Thu, 5 Nov 2026 14:10:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@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 net] mptcp: pm: kernel: use RCU to free endpoint listeners From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179388780704.3729553.7318793746811801977.git-patchwork-notify@kernel.org> Date: Thu, 05 Nov 2026 14:10:07 +0000 References: <20261104125327.1041456-1-edumazet@kernel.org> In-Reply-To: <20261104125327.1041456-1-edumazet@kernel.org> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, matttbe@kernel.org, martineau@kernel.org, geliang@kernel.org, horms@kernel.org, kuniyu@google.com, netdev@vger.kernel.org, kylebot@openai.com, stable@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Wed, 4 Nov 2026 13:53:27 +0100 you wrote: > From: Kyle Zeng > > 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: - [net] 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