check realm info results

index.bs

@@ -7843,6 +7843,8 @@ To <dfn>get the worker's owners</dfn> with given |global object|:
    1. Let |owner realm info| be the result of [=get the realm info=] given
       |owner environment settings|.
 
+   1. If |owner realm info| is null, continue.
+
    1. Append |owner realm info|["<code>id</code>"] to |owners|.
 
 1. Return |owners|.
@@ -9499,7 +9501,7 @@ The [=remote end steps=] with <var ignore>session</var> and |command parameters|
 
 1. For each |settings| of |environment settings|:
 
-  1. Let |realm info| be the result of [=get the realm info=] given |settings|
+  1. Let |realm info| be the result of [=get the realm info=] given |settings|.
 
   1. If |command parameters| contains <code>type</code> and |realm
      info|["<code>type</code>"] is not equal to |command
@@ -9700,7 +9702,9 @@ The [=remote end subscribe steps=] with [=subscribe priority=] 2, given
 
     Otherwise, if |include global| is false, continue.
 
-  1. Let |realm info| be the result of [=get the realm info=] given |settings|
+  1. Let |realm info| be the result of [=get the realm info=] given |settings|.
+
+  1. If |realm info| is null, continue.
 
   1. Let |body| be a [=/map=] matching the <code>script.RealmCreated</code>
      production, with the <code>params</code> field set to |realm info|.