fixes 4240; added null check on namespace when resource is a RoleBinding

kubernetes-sigs · Nov 27, 2021 · b28f1e5 · b28f1e5
1 parent 25ee506
commit b28f1e5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/api/resmap/reswrangler.go b/api/resmap/reswrangler.go
@@ -436,7 +436,9 @@ func getNamespacesForRoleBinding(r *resource.Resource) map[string]bool {
 		if ns, ok1 := subject["namespace"]; ok1 {
 			if kind, ok2 := subject["kind"]; ok2 {
 				if kind.(string) == "ServiceAccount" {
-					result[ns.(string)] = true
+					if n, ok3 := ns.(string); ok3 {
+						result[n] = true
+					}
 				}
 			}
 		}