#38632 [NEW]: Segmentation fault with PDO/mysql

From: chris dot vigelius at gmx dot net Operating system: Linux 2.6.16 (SUSE 10.1) PHP version: 5.1.5 PHP Bug Type: Reproducible crash Bug description: Segmentation fault with PDO/mysql Description: ------------ when executing the code below, PHP will crash with a segmentation fault. Note: To reproduce the crash, the database "test" must exist and contain a table "user" with an entry with id=1 (or to put it differently: the query must at least return one result). Versions of software used: mysql 5.0.18 php 5.1.6 Reproduce code: --------------- <?php class test { protected static $dbh; protected function connect() { self::$dbh = new PDO('mysql:host=localhost;dbname=test', 'test', 'test'); } public function read($uid) { self::connect(); $stmt = self::$dbh->prepare("SELECT * FROM user WHERE id = :uid"); $result = $stmt->execute(array(':uid' => 1)); $rows = $result->fetchAll(PDO::FETCH_OBJ); var_dump($result, $rows); } } $t = new test(); $t->read(1); Expected result: ---------------- some error messages, but no segfault Actual result: -------------- segmentation fault: PHP Fatal error: Call to a member function fetchAll() on a non-object in /home/chris/workspace/testing/crash.php on line 19 Fatal error: Call to a member function fetchAll() on a non-object in /home/chris/workspace/testing/crash.php on line 19 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1216100688 (LWP 20861)] 0xb7a9cc07 in mysql_more_results () from /usr/lib/mysql/libmysqlclient.so.15 (gdb) bt #0 0xb7a9cc07 in mysql_more_results () from /usr/lib/mysql/libmysqlclient.so.15 #1 0x0818cdf1 in pdo_row_new () #2 0x0818cf6d in pdo_dbstmt_free_storage () #3 0x082ddef2 in zend_objects_store_free_object_storage () #4 0x082b6cd9 in shutdown_executor () #5 0x082c2671 in zend_deactivate () #6 0x082809d4 in php_request_shutdown () #7 0x08344908 in main () -- Edit bug report at http://bugs.php.net/?id=38632&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=38632&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=38632&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=38632&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=38632&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=38632&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=38632&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=38632&r=needscript Try newer version: http://bugs.php.net/fix.php?id=38632&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=38632&r=support Expected behavior: http://bugs.php.net/fix.php?id=38632&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=38632&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=38632&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=38632&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=38632&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=38632&r=dst IIS Stability: http://bugs.php.net/fix.php?id=38632&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=38632&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=38632&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=38632&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=38632&r=mysqlcfg