automount: refuse automounts for the root file system

1 files changed, 5 insertions, 0 deletions

diff --git a/src/automount.c b/src/automount.c
index b5003b3a7..26fec4510 100644
--- a/src/automount.c
+++ b/src/automount.c
@@ -154,6 +154,11 @@ static int automount_verify(Automount *a) {
         if (a->meta.load_state != UNIT_LOADED)
                 return 0;
 
+        if (path_equal(a->where, "/")) {
+                log_error("Cannot have an automount unit for the root directory. Refusing.");
+                return -EINVAL;
+        }
+
         if (!(e = unit_name_from_path(a->where, ".automount")))
                 return -ENOMEM;