--- x/drivers/android/binder.c
+++ y/drivers/android/binder.c
@@ -6307,6 +6307,7 @@ binder_defer_work(struct binder_proc *pr
 		hlist_add_head(&proc->deferred_work_node,
 				&binder_deferred_list);
 		schedule_work(&binder_deferred_work);
+		binder_alloc_vma_close(&proc->alloc);
 	}
 	mutex_unlock(&binder_deferred_lock);
 }