core/device: refuse alias with ".."

diff --git a/src/core/device.c b/src/core/device.c
index ebe1a934f4f81af4705e09ebaa70f1521f7c47b7..21dc5890fc5a2d18c96c4c8354b468b540e6063c 100644 (file)
--- a/src/core/device.c
+++ b/src/core/device.c
@@ -807,8 +807,8 @@ static int device_setup_extra_units(Manager *m, sd_device *dev, Set **ready_unit
                         continue;
                 }
 
-                if (!path_is_normalized(*alias)) {
-                        log_device_warning(dev, "The alias \"%s\" specified in SYSTEMD_ALIAS is not a normalized path, ignoring.", *alias);
+                if (!path_is_safe(*alias)) {
+                        log_device_warning(dev, "The alias \"%s\" specified in SYSTEMD_ALIAS is not safe, ignoring.", *alias);
                         continue;
                 }