From owner-freebsd-bugs@FreeBSD.ORG  Mon Dec 22 14:10:01 2008
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 D3EC91065670
	for <freebsd-bugs@hub.freebsd.org>;
	Mon, 22 Dec 2008 14:10:01 +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 B0DB08FC19
	for <freebsd-bugs@hub.freebsd.org>;
	Mon, 22 Dec 2008 14:10:01 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id mBMEA1dK099578
	for <freebsd-bugs@freefall.freebsd.org>; Mon, 22 Dec 2008 14:10:01 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.14.3/8.14.3/Submit) id mBMEA1uc099577;
	Mon, 22 Dec 2008 14:10:01 GMT (envelope-from gnats)
Resent-Date: Mon, 22 Dec 2008 14:10:01 GMT
Resent-Message-Id: <200812221410.mBMEA1uc099577@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,
	Peter Keel <peter.keel@hostpoint.ch>
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id C944B1065670
	for <freebsd-gnats-submit@FreeBSD.org>;
	Mon, 22 Dec 2008 14:08:38 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21])
	by mx1.freebsd.org (Postfix) with ESMTP id B85598FC1B
	for <freebsd-gnats-submit@FreeBSD.org>;
	Mon, 22 Dec 2008 14:08:38 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from www.freebsd.org (localhost [127.0.0.1])
	by www.freebsd.org (8.14.3/8.14.3) with ESMTP id mBME8cmP038452
	for <freebsd-gnats-submit@FreeBSD.org>; Mon, 22 Dec 2008 14:08:38 GMT
	(envelope-from nobody@www.freebsd.org)
Received: (from nobody@localhost)
	by www.freebsd.org (8.14.3/8.14.3/Submit) id mBME8cIE038450;
	Mon, 22 Dec 2008 14:08:38 GMT (envelope-from nobody)
Message-Id: <200812221408.mBME8cIE038450@www.freebsd.org>
Date: Mon, 22 Dec 2008 14:08:38 GMT
From: Peter Keel <peter.keel@hostpoint.ch>
To: freebsd-gnats-submit@FreeBSD.org
X-Send-Pr-Version: www-3.1
Cc: 
Subject: misc/129855: ipcs integer overflow with UIDs bigger than 65535
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: Mon, 22 Dec 2008 14:10:01 -0000


>Number:         129855
>Category:       misc
>Synopsis:       ipcs integer overflow with UIDs bigger than 65535
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Dec 22 14:10:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Peter Keel
>Release:        6.3p5
>Organization:
Hostpoint AG
>Environment:
FreeBSD server 6.3-RELEASE-p5 FreeBSD 6.3-RELEASE-p5 #9: Mon Oct 20 14:08:45 UTC 2008     root@server:/usr/obj/usr/src/sys/SMP-IPFW  amd64
>Description:
ipcs can't cope with UIDs bigger than 65535

# ipcs -m
Shared Memory:
T           ID          KEY MODE        OWNER    GROUP
m       196608            0 --rw-------    58928    58928
m       131073            0 --rw-------    58928    58928
m       131074            0 --rw-------    58928    58928
m       131075            0 --rw-------    58928    58928
m       131076            0 --rw-------    58928    58928
m       196671            0 --rw-------    58928    58928

The owner of this shared memory really is 124464

>How-To-Repeat:
add a user with a UID bigger than 65535; make him allocate shared memory, and behold. 

>Fix:


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