From nobody Sat Apr 11 12:44:43 2026 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 EC6BD2E4257 for ; Thu, 9 Apr 2026 20:52:17 +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=1775767938; cv=none; b=jRdKYB0IbX9P+H8p6H//iVZjYMd0PaX2v/dcXA2rzcJYUbrvHxoTbmduy9Hzxbtax7kjJjCPydziZ6DXEIJJ71rduQPj8TDiyCrSqOQYHbEEwltwRXprL6oVc4fycukZd9bnKKAZ64GQdkS255rw3eaJHz064oJegLSwgX+MryQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775767938; c=relaxed/simple; bh=TVCvyopYES9xmr99hgxNq+W0C9O0oVBp81sFTYfc0NA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=fFTovpUmwTOn2JWIa6rE5t5SIC6Snv8CpBdRFWUDtXNzS0O0ps5OJO/SrrP9y9TmymAxLxIfZa5QqMh03xBBQhvlxkwD9YUceZS6aXKYXtN2QLue9KEcxmPsPFYbGfNexY26uR/J/MUoDo0vlnM1tnjqGDW22Sn2bv9pP0DNkOc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qp9a7U/r; 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="qp9a7U/r" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63FA1C2BCAF; Thu, 9 Apr 2026 20:52:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775767937; bh=TVCvyopYES9xmr99hgxNq+W0C9O0oVBp81sFTYfc0NA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qp9a7U/rUO8K4iu6r56QkHDFG/FrZj1uPkF1m9tjjY/AAL4B0JcoMMiT6QekOs31M niKejAF2C5FR5fdIpxEJCHUv1LgL6HDeZEtBSOQOQPCuOAkuw1B3l5gYASGaGAiPi3 hAFwt5aXIdKMS6nEys1Ny7Ey1gXgAiQmc4/qKi9w0GxOSonP2r+PNWIsVgsjQQjttd hg3F4nIz25bchoRO0F6q5srkv6rpeqKQEsnu/k7Y2huSNz9vJOrDN2gOafzwQWaJW9 kcDEn0TwJNswRoPnMk1s6YagEfdiIW1u9cdhal4eElktrvIPb8tST05u6vEGvrj+Ug FvL9jQ4BSI7Yw== From: "Matthieu Baerts (NGI0)" Date: Thu, 09 Apr 2026 22:51:47 +0200 Subject: [PATCH mptcp-next 07/16] mptcp: pm: prio: skip closed subflows Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260409-mptcp-inc-limits-v1-7-0e45fa30d914@kernel.org> References: <20260409-mptcp-inc-limits-v1-0-0e45fa30d914@kernel.org> In-Reply-To: <20260409-mptcp-inc-limits-v1-0-0e45fa30d914@kernel.org> To: MPTCP Upstream Cc: "Matthieu Baerts (NGI0)" X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=967; i=matttbe@kernel.org; h=from:subject:message-id; bh=TVCvyopYES9xmr99hgxNq+W0C9O0oVBp81sFTYfc0NA=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGDJvCJbIGx64c3mlO+OctXdEpH/9uJkuJ9Z3xs52IaPlh ee7Zt+/01HKwiDGxSArpsgi3RaZP/N5FW+Jl58FzBxWJpAhDFycAjCRM8sYGW5o5+rOsZgtpduz oGb1Lyvzyc5G96d7GFtk7Dq99p76zlxGhpU72C16Jseu/rBY8sL0bzzv16zmETYL7S5Kf6SvLLz mGTcA X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 When sending an MP_PRIO, closed subflows needs to be skipped. This fixes the case where the initial subflow got closed, re-opened later, then an MP_PRIO is needed for the same local address. Fixes: 067065422fcd ("mptcp: add the outgoing MP_PRIO support") Fixes: b29fcfb54cd7 ("mptcp: full disconnect implementation") Signed-off-by: Matthieu Baerts (NGI0) --- net/mptcp/pm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index beb06213585a..e1dbc64134bf 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -283,6 +283,9 @@ int mptcp_pm_mp_prio_send_ack(struct mptcp_sock *msk, struct sock *ssk =3D mptcp_subflow_tcp_sock(subflow); struct mptcp_addr_info local, remote; =20 + if (!__mptcp_subflow_active(subflow)) + continue; + mptcp_local_address((struct sock_common *)ssk, &local); if (!mptcp_addresses_equal(&local, addr, addr->port)) continue; --=20 2.53.0