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Bug #79145 openssl memory leak
Submitted: 2020-01-21 08:24 UTC Modified: 2020-01-21 13:57 UTC
From: adriance at qq dot com Assigned: cmb (profile)
Status: Closed Package: OpenSSL related
PHP Version: 7.3.13 OS: CentOS 7
Private report: No CVE-ID: None
View Developer Edit
 [2020-01-21 08:24 UTC] adriance at qq dot com 
Description:
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2097152
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56627200

Test script:
---------------
<?php
$b = '-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaFhc31WeskqxwI+Si5R/fZrLK
pJOlABiI3RZfKCHJVrXl3IvcHDFM/BHKUJoSi/ee8GS9iw0G4Z1eCzJdthXxHARh
j85Q5OliVxOdB1LoTOsOmfFf/fdvpU3DsOWsDKlVrL41MHxXorwrwOiys/r/gv2d
C9C4JmhTOjBVAK8SewIDAQAC
-----END PUBLIC KEY-----';

for ($i = 0; $i < 1000000; $i++) {
    if ($i % 100000 == 0) {
        echo memory_get_usage(true) . PHP_EOL;
    }
    $a = openssl_get_publickey($b);
    openssl_free_key($a);
}

Patches

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AllCommentsChangesGit/SVN commitsRelated reports
 [2020-01-21 13:57 UTC] cmb@php.net
-Status: Open +Status: Verified -Assigned To: +Assigned To: cmb
 [2020-01-21 13:57 UTC] cmb@php.net 
Seems to have been introduced by the fix for bug #61930.
 [2020-01-21 15:22 UTC] cmb@php.net 
Automatic comment on behalf of cmbecker69@gmx.de
Revision: http://git.php.net/?p=php-src.git;a=commit;h=9eff906a024578f0ea0bf8b4e318544d70074537
Log: Fix #79145: openssl memory leak
 [2020-01-21 15:22 UTC] cmb@php.net
-Status: Verified +Status: Closed
 
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