#fixed code
                                private List<Node<T, S>> createChildren() {
        List<Node<T, S>> children = new ArrayList<Node<T, S>>(node.childrenLength());
        // reduce allocations by resusing objects
        int numChildren = node.childrenLength();
        for (int i = 0; i < numChildren; i++) {
            Node_ child = node.children(i);
            if (child.childrenLength()>0) {
                children.add(new NonLeafFlatBuffers<T, S>(child, context, deserializer));
            } else {
                children.add(new LeafFlatBuffers<T,S>(child, context, deserializer));
            }
        }
        return children;
    }
#vulnerable code 
                                private List<Node<T, S>> createChildren() {
        List<Node<T, S>> children = new ArrayList<Node<T, S>>(node.childrenLength());
        // reduce allocations by resusing objects
        int numChildren = node.childrenLength();
        for (int i = 0; i < numChildren; i++) {
            Node_ child = node.children(i);
            children.add(new NonLeafFlatBuffers<T, S>(child, context, deserializer));
        }
        return children;
    } 
                            #location 7 
                            #vulnerability type NULL_DEREFERENCE