From owner-svn-src-head@freebsd.org  Fri Jul 28 03:14:32 2017
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id BDF9DDBC1AC;
 Fri, 28 Jul 2017 03:14:32 +0000 (UTC)
 (envelope-from markj@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 8C5D370B36;
 Fri, 28 Jul 2017 03:14:32 +0000 (UTC)
 (envelope-from markj@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v6S3EVU2033834;
 Fri, 28 Jul 2017 03:14:31 GMT (envelope-from markj@FreeBSD.org)
Received: (from markj@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id v6S3EVau033833;
 Fri, 28 Jul 2017 03:14:31 GMT (envelope-from markj@FreeBSD.org)
Message-Id: <201707280314.v6S3EVau033833@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: markj set sender to
 markj@FreeBSD.org using -f
From: Mark Johnston <markj@FreeBSD.org>
Date: Fri, 28 Jul 2017 03:14:31 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r321639 - head/sys/dev/ksyms
X-SVN-Group: head
X-SVN-Commit-Author: markj
X-SVN-Commit-Paths: head/sys/dev/ksyms
X-SVN-Commit-Revision: 321639
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 28 Jul 2017 03:14:32 -0000

Author: markj
Date: Fri Jul 28 03:14:31 2017
New Revision: 321639
URL: https://svnweb.freebsd.org/changeset/base/321639

Log:
  Restrict permissions on /dev/ksyms to 0400.
  
  The ksyms(4) device was added specifically for use by lockstat(1), which
  as a DTrace consumer must run as root.
  
  Discussed with:	emaste
  MFC after:	3 days

Modified:
  head/sys/dev/ksyms/ksyms.c

Modified: head/sys/dev/ksyms/ksyms.c
==============================================================================
--- head/sys/dev/ksyms/ksyms.c	Fri Jul 28 02:00:03 2017	(r321638)
+++ head/sys/dev/ksyms/ksyms.c	Fri Jul 28 03:14:31 2017	(r321639)
@@ -592,7 +592,7 @@ ksyms_modevent(module_t mod __unused, int type, void *
 	case MOD_LOAD:
 		mtx_init(&ksyms_mtx, "KSyms mtx", NULL, MTX_DEF);
 		ksyms_dev = make_dev(&ksyms_cdevsw, 0, UID_ROOT, GID_WHEEL,
-		    0444, KSYMS_DNAME);
+		    0400, KSYMS_DNAME);
 		break;
 
 	case MOD_UNLOAD: