Index: head/sys/vm/vm_map.c
===================================================================
--- head/sys/vm/vm_map.c
+++ head/sys/vm/vm_map.c
@@ -3612,12 +3612,13 @@
 	KASSERT(orient != (MAP_STACK_GROWS_DOWN | MAP_STACK_GROWS_UP),
 	    ("bi-dir stack"));
 
-	sgp = (vm_size_t)stack_guard_page * PAGE_SIZE;
 	if (addrbos < vm_map_min(map) ||
-	    addrbos > vm_map_max(map) ||
-	    addrbos + max_ssize < addrbos ||
-	    sgp >= max_ssize)
-		return (KERN_NO_SPACE);
+	    addrbos + max_ssize > vm_map_max(map) ||
+	    addrbos + max_ssize <= addrbos)
+		return (KERN_INVALID_ADDRESS);
+	sgp = (vm_size_t)stack_guard_page * PAGE_SIZE;
+	if (sgp >= max_ssize)
+		return (KERN_INVALID_ARGUMENT);
 
 	init_ssize = growsize;
 	if (max_ssize < init_ssize + sgp)