nikita-kun/memleak-openssl.php

## memleak-openssl.php
<?php

function fastLeakage(){

$cert = "-----BEGIN CERTIFICATE-----
MIIE4jCCAsqgAwIBAgIHBZCisfbbfTANBgkqhkiG9w0BAQUFADB/MQswCQYDVQQG
EwJHQjEPMA0GA1UECAwGTG9uZG9uMRcwFQYDVQQKDA5Hb29nbGUgVUsgTHRkLjEh
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tSwkaJZM3W4LhHWiplEoA0F9CCnBKB1W00LDMZTLa4CRdGJlrjwchG0No+ItGrXZ
cc+wLMic6UZ1QrXcvo9efj6/bjLHTee39u4SlIcuL20x97993HZyqP5ZSi+QkKfr
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Qq6d/SK0GtjlRZME8h48tocBCGvtcZwmZnOQDLd3M51rmfXKB/6y70PjJqiX9ExR
CJzpfafv1OaOqtWre6UofQsEx+jP+P7iGqQo+W9XrufnE7IDso+Za98G5cUIj61a
U6sTKt8w+Ovkxr3UyC/QHdYYJ7nYQfrJ2ml9aAzs1ZlNS8YS0XXpzmpaZhSuhbfM
F6F0Drg3+os4hVFiimUOjspZ4Su2EpsG86hdqJ/HHxTPPfgVlbBP0mexaRco3KVv
pgJ4B+Hh5oOOh9TkR+D3ZKzjc6G2+4nhflYjI AD7B080Jshk6TcII1twXD9qBkvm
9J3nrHWc
-----END CERTIFICATE-----";

  $memUsed = 0;

  while (1){
    $read = openssl_x509_read($cert); //does not leak
    $parsed = openssl_x509_parse($read); //does not leak
    $key = openssl_pkey_get_public($read); //leaks
    openssl_pkey_free($key); //does not free everything
    //openssl_free_key($key); //does not free everything
    //unset($key); //does not help
    //$key = null //same here

    if ($memUsed < memory_get_usage(true)){
      $memUsed = memory_get_usage(true);
      echo "Memory usage, real: ". memory_get_usage(true) ."\n";
    }
  }
}

phpinfo();

//running in a CLI mode
fastLeakage();
	<?php

	function fastLeakage(){

	$cert = "-----BEGIN CERTIFICATE-----
	MIIE4jCCAsqgAwIBAgIHBZCisfbbfTANBgkqhkiG9w0BAQUFADB/MQswCQYDVQQG
	EwJHQjEPMA0GA1UECAwGTG9uZG9uMRcwFQYDVQQKDA5Hb29nbGUgVUsgTHRkLjEh
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	NTQ0MjdaMHUxCzAJBgNVBAYTAkdCMQ8wDQYDVQQHDAZMb25kb24xOjA4BgNVBAoM
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	ZykxGTAXBgNVBAUTEDE1NjY0MDMzMjg0MDAyNTMwggEiMA0GCSqGSIb3DQEBAQUA
	A4IBDwAwggEKAoIBAQDdr1pIlcp/wH42Yb/kxiyx06DKKUO3vZj1Zx7W0kGOPlfP
	KroFcSLbCxnrzm1iENVbflBcbeGY1hF3c5cDxs/6bh88Y/5gA1rhP0q1c02Y9yPN
	Yo+pi6vfJK41CwsMHTie0U01Ghynzy/683+5tpigp2MccsrPFi5Sk7WMgR78Y6dt
	oEH9KZtdbuBlUzyEjnDzR5F7UB3YtrYVOKeYlsYEDmgLZKSMtP9M7/XIc8kUqT1L
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	tSwkaJZM3W4LhHWiplEoA0F9CCnBKB1W00LDMZTLa4CRdGJlrjwchG0No+ItGrXZ
	cc+wLMic6UZ1QrXcvo9efj6/bjLHTee39u4SlIcuL20x97993HZyqP5ZSi+QkKfr
	Af441uJNHOFmoClCo6Wb2quNn6F6GvhYxkYcy/CgVP+VOfUBPIF8Ta2KrcI46fAL
	Qq6d/SK0GtjlRZME8h48tocBCGvtcZwmZnOQDLd3M51rmfXKB/6y70PjJqiX9ExR
	CJzpfafv1OaOqtWre6UofQsEx+jP+P7iGqQo+W9XrufnE7IDso+Za98G5cUIj61a
	U6sTKt8w+Ovkxr3UyC/QHdYYJ7nYQfrJ2ml9aAzs1ZlNS8YS0XXpzmpaZhSuhbfM
	F6F0Drg3+os4hVFiimUOjspZ4Su2EpsG86hdqJ/HHxTPPfgVlbBP0mexaRco3KVv
	pgJ4B+Hh5oOOh9TkR+D3ZKzjc6G2+4nhflYjI AD7B080Jshk6TcII1twXD9qBkvm
	9J3nrHWc
	-----END CERTIFICATE-----";

	$memUsed = 0;

	while (1){
	$read = openssl_x509_read($cert); //does not leak
	$parsed = openssl_x509_parse($read); //does not leak
	$key = openssl_pkey_get_public($read); //leaks
	openssl_pkey_free($key); //does not free everything
	//openssl_free_key($key); //does not free everything
	//unset($key); //does not help
	//$key = null //same here

	if ($memUsed < memory_get_usage(true)){
	$memUsed = memory_get_usage(true);
	echo "Memory usage, real: ". memory_get_usage(true) ."\n";
	}
	}
	}

	phpinfo();

	//running in a CLI mode
	fastLeakage();