Index: sys/dev/ksyms/ksyms.c
===================================================================
--- sys/dev/ksyms/ksyms.c
+++ sys/dev/ksyms/ksyms.c
@@ -444,7 +444,9 @@
 
 		object = vm_object_allocate(OBJT_DEFAULT,
 		    OFF_TO_IDX(round_page(elfsz)));
+		VM_OBJECT_WLOCK(object);
 		vm_object_set_flag(object, OBJ_NOSPLIT);
+		VM_OBJECT_WUNLOCK(object);
 		sc->sc_obj = object;
 		sc->sc_objsz = elfsz;