Bug #77207 [Fbk->NoF]: openssl_pkey_get_private didn't free memory

Edit report at https://bugs.php.net/bug.php?id=77207&edit=1 ID: 77207 Updated by: php-bugs@lists.php.net Reported by: sagaxu at qq dot com Summary: openssl_pkey_get_private didn't free memory -Status: Feedback +Status: No Feedback Type: Bug Package: OpenSSL related PHP Version: Irrelevant Assigned To: cmb Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2021-06-02 11:09:44] cmb@php.net I cannot reproduce this with current PHP-7.4. Is this still an issue for you with any of the actively supported PHP versions[1]? [1] <https://www.php.net/supported-versions.php> ------------------------------------------------------------------------ [2018-11-27 09:53:09] sagaxu at qq dot com Description: ------------ $ php -v PHP 7.2.11-3build2 (cli) (built: Nov 26 2018 13:08:29) ( NTS ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies with Zend OPcache v7.2.11-3build2, Copyright (c) 1999-2018, by Zend Technologies with Xdebug v2.6.1, Copyright (c) 2002-2018, by Derick Rethans PHP 7.1.X and 7.2.X both affected. Test script: --------------- <?php error_reporting(E_ALL); ini_set('display_errors', 'stderr'); $pk = '-----BEGIN RSA PRIVATE KEY----- MIIEpAIBAAKCAQEAokB9srofHWSRuv0x679iYftvS0WBrTS0FvK/yzpdAodcNm5S SQ8YJqRv5o/YE/i+d49zMM92/Q7hTVnuaEpmYzsX34PvOKYW7LEuTYpa/QRQvcUJ p/vZ9sR3s7c/FoWrdzIl7kx/WYF53gEvQuHM/qbmRczZ6mdtGN01cYYPVm+oQaPQ E6r3aQzf+R4XkMFTfbT9iz8NWnPuo+GmGsVqGV1e8tALzybeWqQAwzf5g5sLIGb8 MXPx0dipM98hkw3XKO+sVwxYY5vVnskq05Jw74zZkr9k9vWZC7S80YJkrIzzZaJ4 yPtAdKCS1Nk+nnqVKA4POIZN2cEmO7lrUfb3TwIDAQABAoIBAH1krABpuUxFAh9q OJ+CfG1PHXcl049h0OB/YNyWUXV32TszzaIq6TZMFTMx7gOZVNIf6h1J6SKv0k2u eALfpPuBmvSiCUpVihgI4skIaUNrh17yHYFWsd/1fLFGqJomWhq3hfsB4dXxq5Z4 gecFjSEtKX++TpfKsNTreLcwrT/Vte1XLV3U10fLBZfTU26BQYQsgIBgCm96UsIu izJSv1fplenHRJM08WpLlx07g6Kk17b0qpD+VGFbCCRaO3YtLlHBB60kRQloqSDH sdycQAI6CZjtYL7x/6LwjH7n4U1haMMcCqDZdsemyz2Lnum4zkMgb4lxWHGu9kbE MtVJO1kCgYEA1ZKygrVHIi7PmLusxZEobqPNa7lBUaM5CORbSspjeC3AwPKDuhGK QU4DUFsrFWxxDcI5W3YBduWaYFAQlhaSeKDeJePCgkteXkFHAMd2Li8ogBse+MIF YynSXzxzmSRLeP4fUCZb03aNENSCnArh7G0vOLFfRkn3x+z0wxY5dDsCgYEAwnvY 4YC6fWymfl/Fw0SsE0TBHg9joXxiCuPsz/miYpmEyBPAZtsD/3o2REnu36ROOQ0a lIw8EAtQzS/K7UbPpMsAhSFaFyBLFIEP3GZxJB/iaXmIQ6s+JXNqGqoyy+PJiWII zFj9aLX47WPruOKJip8MLCzdzVMloF63q11Yu/0CgYEAy0nISuwcGmhuR9YT/TZP Qwj9phT/HKL9zf32+7ird6AtQjtUsU6yx7hnJRyyZMEE13DRQcKQYEjqadSsBQDV SKbu7SffZEAzQgpmeFJjplBS/6VRFL0xfZM4YFhdPB61DCTvT05Dx4OngKaW78rY A0BmW1NR+ci8Znug+vTzmTMCgYAaHUciAIcKEGzKy1FixvXUIIdN4gMey/TeQXyq 8Ho9gx+xPfW32fDPfTmMMeFBZm6aeof3Kl1mSh6vbptxAPEgz6FiPvg54rwyJKJc leTbVOyx/P+vFm9h1/2HVxM7DXsiV2eXCNv+E3E5bxFX4hNV6cVYqS2fRGro/c7r 07z2gQKBgQCtukjBH1l/zHyV3acr5zXhY416wvEMh3zfYWQYYwoUACOaUTlO4Fqz EsmRtC76Nc3zpLz3/dhMn9ywz7+HJqZs7hNTvU2vxEBAaCFYyzljaJA1EjIKQAdr jUfQ5aNvrj5lVBJ+iHbV5O/ktFHLcM8eVurZpDirshS2DFMkcrcLHg== -----END RSA PRIVATE KEY-----'; for ($i=0; $i<10; $i++) { for ($j=0; $j<10000; $j++) { $key = openssl_pkey_get_private($pk); openssl_pkey_free($key); } echo memory_get_usage() . "\n"; } Expected result: ---------------- 223840 223880 223880 223880 223880 223880 223880 223880 223880 223880 Actual result: -------------- 1167336 1931656 2171656 3460256 3700256 3940256 6277408 6517408 6757408 6997408 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=77207&edit=1