From patchwork Tue Dec 20 19:52:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 13078141 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F484C4332F for ; Tue, 20 Dec 2022 19:52:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234004AbiLTTwk (ORCPT ); Tue, 20 Dec 2022 14:52:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233028AbiLTTwd (ORCPT ); Tue, 20 Dec 2022 14:52:33 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99F6C1A81B for ; Tue, 20 Dec 2022 11:52:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1671565952; x=1703101952; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Tdwr4tSuEEph9K5A0iUIg96ixLr3HopsgYZRUV8gxs4=; b=mfnZ10LqYs7p0CVczFSH4WNZpyoH7Vy3Za9pkuC6p3ijQX4yDnNJn4Vu 3KYlOLRaVrApA+GBT5cdBHYloqSgOUVsBvM6DsF8itzd131F3HRSe0Lln vcxwgkN1WQFv3Z5H9GdP4nJq0D2DFUym/phVR7yHdU38L4JtAwUZ1RxJo qmqOPkw4hniVkwVoC6bOg7SCbxjtOZHg72zJCEjy0UPAASFE65bsOp9lj dhVVn5fS5O7VW9uPg5axUehgBsmeHV4BD4ISwz2Oq0C99H18pzdTwXjzH M85ePN/+jFPzaFSuK1jsIB+TEDYNiYmgJznzzXEvSEpK/mU0YnBjwtWU/ A==; X-IronPort-AV: E=McAfee;i="6500,9779,10567"; a="299376683" X-IronPort-AV: E=Sophos;i="5.96,259,1665471600"; d="scan'208";a="299376683" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2022 11:52:21 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10567"; a="681780963" X-IronPort-AV: E=Sophos;i="5.96,259,1665471600"; d="scan'208";a="681780963" Received: from mdaugher-mobl.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.212.232.138]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2022 11:52:21 -0800 From: Mat Martineau To: netdev@vger.kernel.org Cc: Mat Martineau , davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, imagedong@tencent.com, mptcp@lists.linux.dev Subject: [PATCH net 0/2] mptcp: Locking fixes Date: Tue, 20 Dec 2022 11:52:13 -0800 Message-Id: <20221220195215.238353-1-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Two separate locking fixes for the networking tree: Patch 1 addresses a MPTCP fastopen error-path deadlock that was found with syzkaller. Patch 2 works around a lockdep false-positive between MPTCP listening and non-listening sockets at socket destruct time. Paolo Abeni (2): mptcp: fix deadlock in fastopen error path mptcp: fix lockdep false positive net/mptcp/protocol.c | 20 ++++++++++++++++---- net/mptcp/protocol.h | 4 ++-- net/mptcp/subflow.c | 19 +++++++++++++++++-- 3 files changed, 35 insertions(+), 8 deletions(-) base-commit: 4be84df38a6f49b81e5909ede78242ba1538c1e6