From owner-svn-src-head@freebsd.org  Tue Jun 30 21:50:06 2020
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@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 27D593570A8;
 Tue, 30 Jun 2020 21:50:06 +0000 (UTC)
 (envelope-from tuexen@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)
 key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256
 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 49xJ1V0GBZz41nJ;
 Tue, 30 Jun 2020 21:50:06 +0000 (UTC)
 (envelope-from tuexen@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 E08261ECA5;
 Tue, 30 Jun 2020 21:50:05 +0000 (UTC)
 (envelope-from tuexen@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 05ULo5Ll033261;
 Tue, 30 Jun 2020 21:50:05 GMT (envelope-from tuexen@FreeBSD.org)
Received: (from tuexen@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id 05ULo5kI033260;
 Tue, 30 Jun 2020 21:50:05 GMT (envelope-from tuexen@FreeBSD.org)
Message-Id: <202006302150.05ULo5kI033260@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: tuexen set sender to
 tuexen@FreeBSD.org using -f
From: Michael Tuexen <tuexen@FreeBSD.org>
Date: Tue, 30 Jun 2020 21:50:05 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r362813 - head/sys/netinet
X-SVN-Group: head
X-SVN-Commit-Author: tuexen
X-SVN-Commit-Paths: head/sys/netinet
X-SVN-Commit-Revision: 362813
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: 2.1.33
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: Tue, 30 Jun 2020 21:50:06 -0000

Author: tuexen
Date: Tue Jun 30 21:50:05 2020
New Revision: 362813
URL: https://svnweb.freebsd.org/changeset/base/362813

Log:
  Fix a bug introduced in https://svnweb.freebsd.org/changeset/base/362173
  
  Reported by:		syzbot+f3a6fccfa6ae9d3ded29@syzkaller.appspotmail.com
  MFC after:		1 week

Modified:
  head/sys/netinet/sctputil.c

Modified: head/sys/netinet/sctputil.c
==============================================================================
--- head/sys/netinet/sctputil.c	Tue Jun 30 21:48:58 2020	(r362812)
+++ head/sys/netinet/sctputil.c	Tue Jun 30 21:50:05 2020	(r362813)
@@ -5247,7 +5247,11 @@ sctp_find_ifa_in_ep(struct sctp_inpcb *inp, struct soc
 	if (holds_lock == 0) {
 		SCTP_INP_RUNLOCK(inp);
 	}
-	return (laddr->ifa);
+	if (laddr != NULL) {
+		return (laddr->ifa);
+	} else {
+		return (NULL);
+	}
 }
 
 uint32_t