Index: tests/sys/fs/fusefs/utils.cc
===================================================================
--- tests/sys/fs/fusefs/utils.cc
+++ tests/sys/fs/fusefs/utils.cc
@@ -70,6 +70,10 @@
 void check_environment()
 {
 	const char *devnode = "/dev/fuse";
+	const char *bsdextended_node = "security.mac.bsdextended.enabled";
+	int bsdextended_val = 0;
+	size_t bsdextended_size = sizeof(bsdextended_val);
+	int bsdextended_found;
 	const char *usermount_node = "vfs.usermount";
 	int usermount_val = 0;
 	size_t usermount_size = sizeof(usermount_val);
@@ -83,9 +87,19 @@
 			GTEST_SKIP() << strerror(errno);
 		}
 	}
+	// mac_bsdextended(4), when enabled, generates many more GETATTR
+	// operations. The fusefs tests' expectations don't account for those,
+	// and adding extra code to handle them obfuscates the real purpose of
+	// the tests.  Better just to skip the fusefs tests if mac_bsdextended
+	// is enabled.
+	bsdextended_found = sysctlbyname(bsdextended_node, &bsdextended_val,
+					 &bsdextended_size, NULL, 0);
+	if (bsdextended_found == 0 && bsdextended_val != 0)
+		GTEST_SKIP() <<
+		    "The fusefs tests are incompatible with mac_bsdextended.";
 	ASSERT_EQ(sysctlbyname(usermount_node, &usermount_val, &usermount_size,
 			       NULL, 0),
-		  0);;
+		  0);
 	if (geteuid() != 0 && !usermount_val)
 		GTEST_SKIP() << "current user is not allowed to mount";
 }
Index: tests/sys/mac/bsdextended/matches_test.sh
===================================================================
--- tests/sys/mac/bsdextended/matches_test.sh
+++ tests/sys/mac/bsdextended/matches_test.sh
@@ -16,6 +16,12 @@
 	if ! sysctl -N security.mac.bsdextended >/dev/null 2>&1; then
 		atf_skip "mac_bsdextended(4) support isn't available"
 	fi
+	if [ `sysctl -n security.mac.bsdextended.enabled` = "0" ]; then
+		# The kernel module is loaded but disabled.  Enable it for the
+		# duration of the test.
+		touch enabled_bsdextended
+		sysctl security.mac.bsdextended.enabled=1
+	fi
 }
 
 setup()
@@ -68,6 +74,9 @@
 	umount -f mnt
 	if [ -f md_device ]; then
 		mdconfig -d -u $( cat md_device )
+	fi
+	if [ -f enabled_bsdextended ]; then
+		sysctl security.mac.bsdextended.enabled=0
 	fi
 }