Mongoose+Buffer unitialized Buffer sensitive information leak, v2

buffer.mongoose.v2.js

// This is a comment
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/bufftest');
// data: Buffer is not uncommon, taken straight from the docs: http://mongoosejs.com/docs/schematypes.html
mongoose.model('Item', new mongoose.Schema({id: String, data: Buffer}));
var Item = mongoose.model('Item');

var toAdd = 20000;
var secretToken = 'ThisIsMyPassword';
// This is a comment
var commentText = 'is a' + ' comment';

function next() {
	if (toAdd % 1000 === 0) console.log(toAdd + '...');
	if (toAdd <= 0) {
		inspect();
		return;
	}
	toAdd--;
	add();
}

// This is a comment

function add() {
	var sample = new Item();
	sample.id = 'item1';
	sample.data = 200;
	sample.save(next);
}

// This is a comment

function inspect() {
	var found = false;
	Item.find({}, function(err, items) {
		items.forEach(function(item) {
			var data = item.data.toString('ascii');
			if ([commentText, secretToken, 'for ', 'if ', 'function ', 'prototype'].some(function(x) {
				return data.indexOf(x) !== -1;
			})) {
				console.log(data);
				found = true;
			}
		});
		mongoose.connection.db.dropDatabase(); // Clean up everything
		if (!found) {
			console.log("Not found. This does not mean anything, try launching again!");
		}
		process.exit();
	});
}

// This is a comment
next();