From patchwork Tue Mar 19 11:47:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masatake YAMATO X-Patchwork-Id: 229154 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 5869A2C00D7 for ; Wed, 20 Mar 2013 04:28:53 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933296Ab3CSR2m (ORCPT ); Tue, 19 Mar 2013 13:28:42 -0400 Received: from h219-110-095-248.catv01.itscom.jp ([219.110.95.248]:55726 "EHLO localhost.localdomain" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932964Ab3CSR2d (ORCPT ); Tue, 19 Mar 2013 13:28:33 -0400 X-Greylist: delayed 599 seconds by postgrey-1.27 at vger.kernel.org; Tue, 19 Mar 2013 13:28:31 EDT Received: from localhost.localdomain (localhost [127.0.0.1]) by localhost.localdomain (8.14.5/8.14.5) with ESMTP id r2JBm3if010053; Tue, 19 Mar 2013 20:48:03 +0900 Received: (from yamato@localhost) by localhost.localdomain (8.14.5/8.14.5/Submit) id r2JBm3sR010052; Tue, 19 Mar 2013 20:48:03 +0900 X-Authentication-Warning: localhost.localdomain: yamato set sender to yamato@redhat.com using -f From: Masatake YAMATO To: netdev@vger.kernel.org Cc: Masatake YAMATO Subject: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long Date: Tue, 19 Mar 2013 20:47:27 +0900 Message-Id: <1363693648-10015-2-git-send-email-yamato@redhat.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1363693648-10015-1-git-send-email-yamato@redhat.com> References: <1363693648-10015-1-git-send-email-yamato@redhat.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Trigger BUG_ON if a group name is longer than GENL_NAMSIZ. Signed-off-by: Masatake YAMATO --- net/netlink/genetlink.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index f2aabb6..5a55be3 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -142,6 +142,7 @@ int genl_register_mc_group(struct genl_family *family, int err = 0; BUG_ON(grp->name[0] == '\0'); + BUG_ON(memchr(grp->name, '\0', GENL_NAMSIZ) == NULL); genl_lock();