From owner-freebsd-bugs@FreeBSD.ORG  Wed Jul  6 16:40:07 2011
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6ECCF106566B
	for <freebsd-bugs@hub.freebsd.org>;
	Wed,  6 Jul 2011 16:40:07 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org
	[IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id 2EF148FC1C
	for <freebsd-bugs@hub.freebsd.org>;
	Wed,  6 Jul 2011 16:40:07 +0000 (UTC)
Received: from freefall.freebsd.org (localhost [127.0.0.1])
	by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p66Ge76J074105
	for <freebsd-bugs@freefall.freebsd.org>; Wed, 6 Jul 2011 16:40:07 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p66Ge73D074104;
	Wed, 6 Jul 2011 16:40:07 GMT (envelope-from gnats)
Resent-Date: Wed, 6 Jul 2011 16:40:07 GMT
Resent-Message-Id: <201107061640.p66Ge73D074104@freefall.freebsd.org>
Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer)
Resent-To: freebsd-bugs@FreeBSD.org
Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org,
	Andriy Gapon <avg@FreeBSD.org>
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id DE8D51065672
	for <FreeBSD-gnats-submit@freebsd.org>;
	Wed,  6 Jul 2011 16:34:39 +0000 (UTC)
	(envelope-from avg@starpoint.kiev.ua)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id 3A9018FC0C
	for <FreeBSD-gnats-submit@freebsd.org>;
	Wed,  6 Jul 2011 16:34:38 +0000 (UTC)
Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua
	[212.40.38.101])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id TAA02524
	for <FreeBSD-gnats-submit@freebsd.org>;
	Wed, 06 Jul 2011 19:21:52 +0300 (EEST)
	(envelope-from avg@starpoint.kiev.ua)
Received: from odyssey.starpoint.kiev.ua (localhost [127.0.0.1])
	by odyssey.starpoint.kiev.ua (8.14.5/8.14.5) with ESMTP id
	p66GLpHT077923 for <FreeBSD-gnats-submit@freebsd.org>;
	Wed, 6 Jul 2011 19:21:51 +0300 (EEST)
	(envelope-from avg@odyssey.starpoint.kiev.ua)
Received: (from avg@localhost)
	by odyssey.starpoint.kiev.ua (8.14.5/8.14.5/Submit) id p66GLplE077922; 
	Wed, 6 Jul 2011 19:21:51 +0300 (EEST) (envelope-from avg)
Message-Id: <201107061621.p66GLplE077922@odyssey.starpoint.kiev.ua>
Date: Wed, 6 Jul 2011 19:21:51 +0300 (EEST)
From: Andriy Gapon <avg@FreeBSD.org>
To: FreeBSD-gnats-submit@FreeBSD.org
X-Send-Pr-Version: 3.113
Cc: 
Subject: kern/158689: [acpi] value of sysctl hw.acpi.thermal.polling_rate
	needs validation
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Jul 2011 16:40:07 -0000


>Number:         158689
>Category:       kern
>Synopsis:       [acpi] value of sysctl hw.acpi.thermal.polling_rate needs validation
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jul 06 16:40:06 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Andriy Gapon
>Release:        FreeBSD 8.2-STABLE amd64
>Organization:
>Environment:
>Description:
Currently value for sysctl hw.acpi.thermal.polling_rate is not validated in any way.
So a user can potentially assign a zero or a negative value to it.
This could lead to undesired effects when hz * acpi_tz_polling_rate is used as a parameter
to msleep().

>How-To-Repeat:
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: