From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 34B80362 for ; Wed, 10 May 2023 00:35:17 +0000 (UTC) Received: from smtp-fw-6002.amazon.com (smtp-fw-6002.amazon.com [52.95.49.90]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E40762D7B for ; Tue, 9 May 2023 17:35:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1683678916; x=1715214916; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Y+Ei72jlpgUooo5nV3qwVzKJ4mSFpsyo0TprlRo0Ejg=; b=rmqxw3siKCmKgByTcB6HmxIg7HclcxtmatodH4KX42NhEQZBdr0XNeJY Co2LW+ygah42qeoX+ZbTGG3ruxb6TK6UgLrIMgPR7f6FUXE9Q9bFoRZ3+ 3Fjz2cudqt6Es8LIdF+jPs3UGnmk2A7rvqFfd00Pl5RNqwaqebSOQIfh3 4=; X-IronPort-AV: E=Sophos;i="5.99,263,1677542400"; d="scan'208";a="327893426" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-pdx-2b-m6i4x-cadc3fbd.us-west-2.amazon.com) ([10.43.8.6]) by smtp-border-fw-6002.iad6.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2023 00:35:14 +0000 Received: from EX19MTAUWB002.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-pdx-2b-m6i4x-cadc3fbd.us-west-2.amazon.com (Postfix) with ESMTPS id 5CD9EADAA0; Wed, 10 May 2023 00:35:12 +0000 (UTC) Received: from EX19D004ANA001.ant.amazon.com (10.37.240.138) by EX19MTAUWB002.ant.amazon.com (10.250.64.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 10 May 2023 00:35:11 +0000 Received: from 88665a182662.ant.amazon.com (10.187.171.39) by EX19D004ANA001.ant.amazon.com (10.37.240.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 10 May 2023 00:35:09 +0000 From: Kuniyuki Iwashima To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni CC: Kuniyuki Iwashima , Kuniyuki Iwashima , Subject: [PATCH v1 net 0/2] af_unix: Fix two data races reported by KCSAN. Date: Tue, 9 May 2023 17:34:54 -0700 Message-ID: <20230510003456.42357-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.187.171.39] X-ClientProxiedBy: EX19D044UWB003.ant.amazon.com (10.13.139.168) To EX19D004ANA001.ant.amazon.com (10.37.240.138) Precedence: Bulk X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE, T_SPF_PERMERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net KCSAN reported data races around these two fields for AF_UNIX sockets. * sk->sk_receive_queue->qlen * sk->sk_shutdown Let's annotate them properly. Kuniyuki Iwashima (2): af_unix: Fix a data race of sk->sk_receive_queue->qlen. af_unix: Fix data races around sk->sk_shutdown. net/unix/af_unix.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) -- 2.30.2