diff -Nru multipath-tools-0.4.9/debian/changelog multipath-tools-0.4.9/debian/changelog
--- multipath-tools-0.4.9/debian/changelog	2016-03-21 14:41:45.000000000 +0000
+++ multipath-tools-0.4.9/debian/changelog	2016-05-12 09:04:32.000000000 +0000
@@ -1,3 +1,9 @@
+multipath-tools (0.4.9-3ubuntu7.12) trusty; urgency=medium
+
+  * 0044-multipath-check-for-NULL-from-udev_device_get.patch (LP: #1532789) 
+
+ -- Rafael David Tinoco <rafael.tinoco@canonical.com>  Thu, 12 May 2016 11:03:37 +0200
+
 multipath-tools (0.4.9-3ubuntu7.11) trusty; urgency=medium
 
   * debian/patches/series: add dm-multipath-backlist-nvme-5c412e47.patch to
diff -Nru multipath-tools-0.4.9/debian/patches/0044-multipath-check-for-NULL-from-udev_device_get.patch multipath-tools-0.4.9/debian/patches/0044-multipath-check-for-NULL-from-udev_device_get.patch
--- multipath-tools-0.4.9/debian/patches/0044-multipath-check-for-NULL-from-udev_device_get.patch	1970-01-01 00:00:00.000000000 +0000
+++ multipath-tools-0.4.9/debian/patches/0044-multipath-check-for-NULL-from-udev_device_get.patch	2016-05-12 09:00:45.000000000 +0000
@@ -0,0 +1,74 @@
+From e546687e046b1eb1cbe5567e9d7850cbbd682dba Mon Sep 17 00:00:00 2001
+From: Benjamin Marzinski <bmarzins@redhat.com>
+Date: Sat, 12 Jan 2013 00:04:54 -0600
+Subject: [PATCH] multipath: check for NULL from udev_device_get_*
+
+The udev_device_get_* functions can return NULL, an occassionally do
+so in the multipathd code.  multipath needs to check if the result
+is NULL before dereferencing it.
+
+Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
+---
+ libmultipath/discovery.c | 16 +++++++++++-----
+ 1 file changed, 11 insertions(+), 5 deletions(-)
+
+--- a/libmultipath/discovery.c
++++ b/libmultipath/discovery.c
+@@ -115,6 +115,7 @@
+ 
+ 	udev_list_entry_foreach(entry,
+ 				udev_enumerate_get_list_entry(udev_iter)) {
++		const char *devtype;
+ 		devpath = udev_list_entry_get_name(entry);
+ 		condlog(4, "Discover device %s", devpath);
+ 		udevice = udev_device_new_from_syspath(conf->udev, devpath);
+@@ -123,7 +124,8 @@
+ 			r++;
+ 			continue;
+ 		}
+-		if(!strncmp(udev_device_get_devtype(udevice), "disk", 4))
++		devtype = udev_device_get_devtype(udevice);
++		if(devtype && !strncmp(devtype, "disk", 4))
+ 			r += path_discover(pathvec, conf, udevice, flag);
+ 		udev_device_unref(udevice);
+ 	}
+@@ -438,7 +440,8 @@
+ 
+ 	parent = pp->udev;
+ 	while (parent) {
+-		if (!strncmp(udev_device_get_subsystem(parent), "scsi", 4)) {
++		const char *subsys = udev_device_get_subsystem(parent);
++		if (subsys && !strncmp(subsys, "scsi", 4)) {
+ 			attr_path = udev_device_get_sysname(parent);
+ 			if (!attr_path)
+ 				break;
+@@ -504,7 +507,8 @@
+ 
+ 	parent = pp->udev;
+ 	while (parent) {
+-		if (!strncmp(udev_device_get_subsystem(parent), "ccw", 3))
++		const char *subsys = udev_device_get_subsystem(parent);
++		if (subsys && !strncmp(subsys, "ccw", 3))
+ 			break;
+ 		parent = udev_device_get_parent(parent);
+ 	}
+@@ -560,7 +564,8 @@
+ 
+ 	parent = pp->udev;
+ 	while (parent) {
+-		if (!strncmp(udev_device_get_subsystem(parent), "cciss", 5)) {
++		const char *subsys = udev_device_get_subsystem(parent);
++		if (subsys && !strncmp(subsys, "cciss", 5)) {
+ 			attr_path = udev_device_get_sysname(parent);
+ 			if (!attr_path)
+ 				break;
+@@ -641,7 +646,8 @@
+ 
+ 	parent = pp->udev;
+ 	while (parent) {
+-		if (!strncmp(udev_device_get_subsystem(parent), "scsi", 4))
++		const char *subsys = udev_device_get_subsystem(parent);
++		if (subsys && !strncmp(subsys, "scsi", 4))
+ 			break;
+ 		parent = udev_device_get_parent(parent);
+ 	}
diff -Nru multipath-tools-0.4.9/debian/patches/series multipath-tools-0.4.9/debian/patches/series
--- multipath-tools-0.4.9/debian/patches/series	2016-03-21 14:40:43.000000000 +0000
+++ multipath-tools-0.4.9/debian/patches/series	2016-05-12 09:00:38.000000000 +0000
@@ -76,3 +76,4 @@
 kpartx_rely_on_udev_dev_creation_9a632fff.patch
 multipath_enable_sync_support_1b8082c8.patch
 dm-multipath-backlist-nvme-5c412e47.patch
+0044-multipath-check-for-NULL-from-udev_device_get.patch