diff --git a/src/libsystemd/sd-bus/test-bus-marshal.c b/src/libsystemd/sd-bus/test-bus-marshal.c
index ebf55e873cc..8c80b501248 100644
--- a/src/libsystemd/sd-bus/test-bus-marshal.c
+++ b/src/libsystemd/sd-bus/test-bus-marshal.c
@@ -217,6 +217,7 @@ int main(int argc, char *argv[]) {
         free(h);
 
 #if HAVE_GLIB
+#ifndef __SANITIZE_ADDRESS__
         {
                 GDBusMessage *g;
                 char *p;
@@ -232,6 +233,7 @@ int main(int argc, char *argv[]) {
                 g_object_unref(g);
         }
 #endif
+#endif
 
 #if HAVE_DBUS
         {
diff --git a/src/test/test-mount-util.c b/src/test/test-mount-util.c
index c95baa81a71..5f2ad7c7194 100644
--- a/src/test/test-mount-util.c
+++ b/src/test/test-mount-util.c
@@ -80,12 +80,8 @@ static void test_mnt_id(void) {
                 int mnt_id = PTR_TO_INT(k), mnt_id2;
 
                 r = path_get_mnt_id(p, &mnt_id2);
-                if (r == -EOPNOTSUPP) { /* kernel or file system too old? */
-                        log_debug("%s doesn't support mount IDs\n", p);
-                        continue;
-                }
-                if (IN_SET(r, -EACCES, -EPERM)) {
-                        log_debug("Can't access %s\n", p);
+                if (r < 0) {
+                        log_debug_errno(r, "Failed to get the mnt id of %s: %m\n", p);
                         continue;
                 }
 
diff --git a/src/test/test-process-util.c b/src/test/test-process-util.c
index 0e5a9d811d7..1a0164e601f 100644
--- a/src/test/test-process-util.c
+++ b/src/test/test-process-util.c
@@ -193,6 +193,8 @@ static void test_get_process_cmdline_harder(void) {
         assert_se(pid == 0);
         assert_se(unshare(CLONE_NEWNS) >= 0);
 
+        assert_se(mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) >= 0);
+
         fd = mkostemp(path, O_CLOEXEC);
         assert_se(fd >= 0);