From owner-svn-src-all@freebsd.org  Sun May 10 09:50:43 2020
Return-Path: <owner-svn-src-all@freebsd.org>
Delivered-To: svn-src-all@mailman.nyi.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.nyi.freebsd.org (Postfix) with ESMTP id E5A832E0294;
 Sun, 10 May 2020 09:50:43 +0000 (UTC) (envelope-from kp@FreeBSD.org)
Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org
 [IPv6:2610:1c1:1:606c::19:3])
 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
 server-signature RSA-PSS (4096 bits)
 client-signature RSA-PSS (4096 bits) client-digest SHA256)
 (Client CN "mxrelay.nyi.freebsd.org",
 Issuer "Let's Encrypt Authority X3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 49KfSz5hkjz40QP;
 Sun, 10 May 2020 09:50:43 +0000 (UTC) (envelope-from kp@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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id BEC6D3174;
 Sun, 10 May 2020 09:50:43 +0000 (UTC) (envelope-from kp@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 04A9ohc8013629;
 Sun, 10 May 2020 09:50:43 GMT (envelope-from kp@FreeBSD.org)
Received: (from kp@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id 04A9ohX8013628;
 Sun, 10 May 2020 09:50:43 GMT (envelope-from kp@FreeBSD.org)
Message-Id: <202005100950.04A9ohX8013628@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: kp set sender to kp@FreeBSD.org
 using -f
From: Kristof Provost <kp@FreeBSD.org>
Date: Sun, 10 May 2020 09:50:43 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject: svn commit: r360867 - stable/11/sys/netpfil/pf
X-SVN-Group: stable-11
X-SVN-Commit-Author: kp
X-SVN-Commit-Paths: stable/11/sys/netpfil/pf
X-SVN-Commit-Revision: 360867
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.33
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 10 May 2020 09:50:44 -0000

Author: kp
Date: Sun May 10 09:50:43 2020
New Revision: 360867
URL: https://svnweb.freebsd.org/changeset/base/360867

Log:
  MFC r360609:
  
  pf: Improve DIOCADDRULE validation
  
  We expect the addrwrap.p.dyn value to be set to NULL (and assert such),
  but do not verify it on input.
  
  Reported-by:	syzbot+936a89182e7d8f927de1@syzkaller.appspotmail.com

Modified:
  stable/11/sys/netpfil/pf/pf_ioctl.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/netpfil/pf/pf_ioctl.c
==============================================================================
--- stable/11/sys/netpfil/pf/pf_ioctl.c	Sun May 10 09:34:48 2020	(r360866)
+++ stable/11/sys/netpfil/pf/pf_ioctl.c	Sun May 10 09:50:43 2020	(r360867)
@@ -1152,6 +1152,11 @@ pfioctl(struct cdev *dev, u_long cmd, caddr_t addr, in
 			error = EINVAL;
 			break;
 		}
+		if (pr->rule.src.addr.p.dyn != NULL ||
+		    pr->rule.dst.addr.p.dyn != NULL) {
+			error = EINVAL;
+			break;
+		}
 #ifndef INET
 		if (pr->rule.af == AF_INET) {
 			error = EAFNOSUPPORT;