Description:
------------
PHP 5.4.6
Microsoft SQL Server ODBC Driver V1.0 for Linux

PHP Segfaults while executing the call '$sth->execute()'

GDB Backtrace is:


Program received signal SIGSEGV, Segmentation fault.
zim_PDOStatement_execute (ht=<value optimized out>, return_value=0x2aaaab284210, 
return_value_ptr=<value optimized out>, 
this_ptr=<value optimized out>, return_value_used=<value optimized out>)
    at /usr/src/debug/php-5.4.6/ext/pdo/pdo_stmt.c:515
515                     if (stmt->active_query_string && stmt-
>active_query_string != stmt->query_string) {
(gdb) bt
#0  zim_PDOStatement_execute (ht=<value optimized out>, 
return_value=0x2aaaab284210, return_value_ptr=<value optimized out>, 
this_ptr=<value optimized out>, return_value_used=<value optimized out>)
    at /usr/src/debug/php-5.4.6/ext/pdo/pdo_stmt.c:515
#1  0x00000000006005e5 in zend_do_fcall_common_helper_SPEC 
(execute_data=0x2aaaab250060) at /usr/src/debug/php-
5.4.6/Zend/zend_vm_execute.h:642
#2  0x000000000060643e in execute (op_array=0x2aaaab282fc8) at 
/usr/src/debug/php-5.4.6/Zend/zend_vm_execute.h:410
#3  0x00000000005d1a8e in zend_execute_scripts (type=8, retval=0x0, 
file_count=3) at /usr/src/debug/php-5.4.6/Zend/zend.c:1289
#4  0x0000000000576c38 in php_execute_script (primary_file=0x7fffffffc190) at 
/usr/src/debug/php-5.4.6/main/main.c:2473
#5  0x00000000006785ed in do_cli (argc=2, argv=0x7fffffffd4b8) at 
/usr/src/debug/php-5.4.6/sapi/cli/php_cli.c:988
#6  0x0000000000678f6d in main (argc=2, argv=0x7fffffffd4b8) at 
/usr/src/debug/php-5.4.6/sapi/cli/php_cli.c:1364


Valgrind Output is:

==9423== Memcheck, a memory error detector
==9423== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al.
==9423== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info
==9423== Command: php test.php
==9423==
==9423== Invalid read of size 8
==9423==    at 0xA7588B4: zim_PDOStatement_execute (pdo_stmt.c:515)
==9423==    by 0x6005E4: zend_do_fcall_common_helper_SPEC 
(zend_vm_execute.h:642)
==9423==    by 0x60643D: execute (zend_vm_execute.h:410)
==9423==    by 0x5D1A8D: zend_execute_scripts (zend.c:1289)
==9423==    by 0x576C37: php_execute_script (main.c:2473)
==9423==    by 0x6785EC: do_cli (php_cli.c:988)
==9423==    by 0x678F6C: main (php_cli.c:1364)
==9423==  Address 0x10000008f is not stack'd, malloc'd or (recently) free'd
==9423==
==9423==
==9423== Process terminating with default action of signal 11 (SIGSEGV)
==9423==  Access not within mapped region at address 0x10000008F
==9423==    at 0xA7588B4: zim_PDOStatement_execute (pdo_stmt.c:515)
==9423==    by 0x6005E4: zend_do_fcall_common_helper_SPEC 
(zend_vm_execute.h:642)
==9423==    by 0x60643D: execute (zend_vm_execute.h:410)
==9423==    by 0x5D1A8D: zend_execute_scripts (zend.c:1289)
==9423==    by 0x576C37: php_execute_script (main.c:2473)
==9423==    by 0x6785EC: do_cli (php_cli.c:988)
==9423==    by 0x678F6C: main (php_cli.c:1364)
==9423==  If you believe this happened as a result of a stack
==9423==  overflow in your program's main thread (unlikely but
==9423==  possible), you can try to increase the size of the
==9423==  main thread stack using the --main-stacksize= flag.
==9423==  The main thread stack size used in this run was 10485760.
==9423==
==9423== HEAP SUMMARY:
==9423==     in use at exit: 4,021,443 bytes in 19,132 blocks
==9423==   total heap usage: 22,569 allocs, 3,437 frees, 5,755,940 bytes 
allocated




Test script:
---------------
<?php

$pdo = new PDO('odbc:TestDB', "TestUser", "TestPassword");
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

$stmt = 'SELECT fid, original_filename, dateUploaded, filesize, client FROM upload ORDER BY dateUploaded DESC';
$sth = $pdo->prepare($stmt);
$sth->execute();
var_dump($sth->fetchAll());





Expected result:
----------------
The script should output the results from $sth->fetchAll.

Actual result:
--------------
The script crashes with a Segmentation Fault.