From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932469AbZJPRXe (ORCPT ); Fri, 16 Oct 2009 13:23:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754728AbZJPRSj (ORCPT ); Fri, 16 Oct 2009 13:18:39 -0400 Received: from kroah.org ([198.145.64.141]:48604 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754652AbZJPRSg (ORCPT ); Fri, 16 Oct 2009 13:18:36 -0400 X-Mailbox-Line: From linux@linux.site Fri Oct 16 10:12:03 2009 Message-Id: <20091016171202.927189279@linux.site> User-Agent: quilt/0.47-14.9 Date: Fri, 16 Oct 2009 10:10:24 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org, Greg KH Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, serue@us.ibm.com, Philipp Reisner , "David S. Miller" , Greg Kroah-Hartman Subject: [31/46] dm/connector: Only process connector packages from privileged processes References: <20091016170953.128828149@linux.site> Content-Disposition: inline; filename=dm-connector-only-process-connector-packages-from-privileged-processes.patch In-Reply-To: <20091016171422.GA13339@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.31-stable review patch. If anyone has any objections, please let us know. ------------------ From: Philipp Reisner (cherry picked from commit 93136335f9ad7a98b92eacda1b43dccbf063cd07) Signed-off-by: Philipp Reisner Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-log-userspace-transfer.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/md/dm-log-userspace-transfer.c +++ b/drivers/md/dm-log-userspace-transfer.c @@ -133,6 +133,9 @@ static void cn_ulog_callback(struct cn_m { struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1); + if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN)) + return; + spin_lock(&receiving_list_lock); if (msg->len == 0) fill_pkg(msg, NULL);