node/test/parallel/test-crypto-dh-leak.js
Ben Noordhuis e3ed425da7 src: fix memory leak in DH key setters
Fix a memory leak in dh.setPublicKey() and dh.setPrivateKey() where the
old keys weren't freed.

Fixes: https://github.com/nodejs/node/issues/8377
PR-URL: https://github.com/nodejs/node/pull/14122
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
2017-07-19 15:03:00 -04:00

26 lines
715 B
JavaScript

// Flags: --expose-gc
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const crypto = require('crypto');
const before = process.memoryUsage().rss;
{
const dh = crypto.createDiffieHellman(common.hasFipsCrypto ? 1024 : 256);
const publicKey = dh.generateKeys();
const privateKey = dh.getPrivateKey();
for (let i = 0; i < 5e4; i += 1) {
dh.setPublicKey(publicKey);
dh.setPrivateKey(privateKey);
}
}
global.gc();
const after = process.memoryUsage().rss;
// RSS should stay the same, ceteris paribus, but allow for
// some slop because V8 mallocs memory during execution.
assert(after - before < 5 << 20);