Bug #71371 [NEW]: Segfault using PDO::query() or PDO::execute()

From: me at mattbutterworth dot co dot uk Operating system: CentOS 6 PHP version: 5.6.17 Package: PDO ODBC Bug Type: Bug Bug description:Segfault using PDO::query() or PDO::execute() Description: ------------ We are running into a segfault when trying to use PDO ODBC. PHP version info: PHP 5.6.16 (cli) (built: Dec 2 2015 10:11:22) Copyright (c) 1997-2015 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2015 Zend Technologies with the ionCube PHP Loader (enabled) + Intrusion Protection from ioncube24.com (unconfigured) v5.0.18, Copyright (c) 2002-2015, by ionCube Ltd. with Zend OPcache v7.0.4-dev, Copyright (c) 1999-2015, by Zend Technologies with Zend Guard Loader v3.3, Copyright (c) 1998-2014, by Zend Technologies php test.php Segmentation fault BT Provided below. Test script: --------------- $dsn = 'odbc:driver=SQLServer;database=***;server=***.***.***.***;port=1433'; $user = '*****'; $password = '****'; try { $dbh = new \PDO($dsn, $user, $password); $dbh->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); } catch (\PDOException $e) { echo 'Connection Failed' . $e->getMessage(); } // Connection , no exceptions $sql = "SELECT * FROM mytable"; $dsn->query($sql); Expected result: ---------------- GDB: Program received signal SIGSEGV, Segmentation fault. 0x00002aaab260b02b in ?? () from /opt/alt/php56/usr/lib64/php/modules/pdo.so (gdb) bt #0 0x00002aaab260b02b in ?? () from /opt/alt/php56/usr/lib64/php/modules/pdo.so #1 0x00000000006867aa in ?? () #2 0x00000000006bdcd8 in execute_ex () #3 0x00002aaaac1eaf6c in zend_oe () from /opt/alt/php56/usr/lib64/php/modules/ZendGuardLoader.so #4 0x000000000064fc6a in zend_execute_scripts () #5 0x00000000005f130b in php_execute_script () #6 0x00000000006f36bd in ?? () #7 0x00000000006f4058 in ?? () #8 0x0000003ed141d9f4 in __libc_start_main () from /lib64/libc.so.6 #9 0x00000000004264b9 in _start () Actual result: -------------- GDB: Program received signal SIGSEGV, Segmentation fault. 0x00002aaab260b02b in ?? () from /opt/alt/php56/usr/lib64/php/modules/pdo.so (gdb) bt #0 0x00002aaab260b02b in ?? () from /opt/alt/php56/usr/lib64/php/modules/pdo.so #1 0x00000000006867aa in ?? () #2 0x00000000006bdcd8 in execute_ex () #3 0x00002aaaac1eaf6c in zend_oe () from /opt/alt/php56/usr/lib64/php/modules/ZendGuardLoader.so #4 0x000000000064fc6a in zend_execute_scripts () #5 0x00000000005f130b in php_execute_script () #6 0x00000000006f36bd in ?? () #7 0x00000000006f4058 in ?? () #8 0x0000003ed141d9f4 in __libc_start_main () from /lib64/libc.so.6 #9 0x00000000004264b9 in _start () -- Edit bug report at https://bugs.php.net/bug.php?id=71371&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71371&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71371&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71371&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71371&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71371&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71371&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71371&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71371&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71371&r=support Expected behavior: https://bugs.php.net/fix.php?id=71371&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71371&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71371&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71371&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71371&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71371&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71371&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71371&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71371&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71371&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71371&r=mysqlcfg