From owner-svn-src-head@freebsd.org  Wed May 11 10:04:33 2016
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 7C9E8B34B7D;
 Wed, 11 May 2016 10:04:33 +0000 (UTC) (envelope-from ae@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 4E6191489;
 Wed, 11 May 2016 10:04:33 +0000 (UTC) (envelope-from ae@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u4BA4W2Q008494;
 Wed, 11 May 2016 10:04:32 GMT (envelope-from ae@FreeBSD.org)
Received: (from ae@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id u4BA4WKD008493;
 Wed, 11 May 2016 10:04:32 GMT (envelope-from ae@FreeBSD.org)
Message-Id: <201605111004.u4BA4WKD008493@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: ae set sender to ae@FreeBSD.org
 using -f
From: "Andrey V. Elsukov" <ae@FreeBSD.org>
Date: Wed, 11 May 2016 10:04:32 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r299420 - head/sys/netpfil/ipfw
X-SVN-Group: head
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: 2.1.22
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: Wed, 11 May 2016 10:04:33 -0000

Author: ae
Date: Wed May 11 10:04:32 2016
New Revision: 299420
URL: https://svnweb.freebsd.org/changeset/base/299420

Log:
  Fix memory leak possible in error case.
  Use free_rule() instead of free(), it will also release memory allocated
  for rule counters.
  
  Obtained from:	Yandex LLC
  Sponsored by:	Yandex LLC

Modified:
  head/sys/netpfil/ipfw/ip_fw_sockopt.c

Modified: head/sys/netpfil/ipfw/ip_fw_sockopt.c
==============================================================================
--- head/sys/netpfil/ipfw/ip_fw_sockopt.c	Wed May 11 10:03:13 2016	(r299419)
+++ head/sys/netpfil/ipfw/ip_fw_sockopt.c	Wed May 11 10:04:32 2016	(r299420)
@@ -2751,7 +2751,7 @@ add_rules(struct ip_fw_chain *chain, ip_
 	if ((error = commit_rules(chain, cbuf, rtlv->count)) != 0) {
 		/* Free allocate krules */
 		for (i = 0, ci = cbuf; i < rtlv->count; i++, ci++)
-			free(ci->krule, M_IPFW);
+			free_rule(ci->krule);
 	}
 
 	if (cbuf != NULL && cbuf != &rci)
@@ -3574,7 +3574,9 @@ ipfw_ctl(struct sockopt *sopt)
 			ci.krule = krule;
 			import_rule0(&ci);
 			error = commit_rules(chain, &ci, 1);
-			if (!error && sopt->sopt_dir == SOPT_GET) {
+			if (error != 0)
+				free_rule(ci.krule);
+			else if (sopt->sopt_dir == SOPT_GET) {
 				if (is7) {
 					error = convert_rule_to_7(rule);
 					size = RULESIZE7(rule);