From patchwork Mon Mar 16 10:19:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ying Xue X-Patchwork-Id: 450468 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id C08DA1400A0 for ; Mon, 16 Mar 2015 21:19:31 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752244AbbCPKT1 (ORCPT ); Mon, 16 Mar 2015 06:19:27 -0400 Received: from mail.windriver.com ([147.11.1.11]:53426 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750862AbbCPKT0 (ORCPT ); Mon, 16 Mar 2015 06:19:26 -0400 Received: from ALA-HCA.corp.ad.wrs.com (ala-hca.corp.ad.wrs.com [147.11.189.40]) by mail.windriver.com (8.14.9/8.14.5) with ESMTP id t2GAJNZR024561 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 16 Mar 2015 03:19:24 -0700 (PDT) Received: from ying.corp.ad.wrs.com (128.224.163.180) by ALA-HCA.corp.ad.wrs.com (147.11.189.40) with Microsoft SMTP Server id 14.3.224.2; Mon, 16 Mar 2015 03:19:23 -0700 From: Ying Xue To: CC: , , Subject: [PATCH net-next] net: kernel socket should be released in init_net namespace Date: Mon, 16 Mar 2015 18:19:12 +0800 Message-ID: <1426501152-24764-1-git-send-email-ying.xue@windriver.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Creating a kernel socket with sock_create_kern() happens in "init_net" namespace, however, releasing it with sk_release_kernel() occurs in the current namespace which may be different with "init_net" namespace. Therefore, we should guarantee that the namespace in which a kernel socket is created is same as the socket is created. Signed-off-by: Ying Xue --- net/core/sock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/sock.c b/net/core/sock.c index 4bc42ef..11e144e 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1454,8 +1454,8 @@ void sk_release_kernel(struct sock *sk) return; sock_hold(sk); - sock_release(sk->sk_socket); sock_net_set(sk, get_net(&init_net)); + sock_release(sk->sk_socket); sock_put(sk); } EXPORT_SYMBOL(sk_release_kernel);