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Bug #47243 Crash at end of request on Windows
Submitted: 2009-01-29 19:19 UTC Modified: 2009-03-11 17:16 UTC
Avg. Score:1.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (100.0%)
From: pcdinh at gmail dot com Assigned: sixd (profile)
Status: Closed Package: OCI8 related
PHP Version: 5.3.0beta1 OS: Windows XP SP3
Private report: No CVE-ID: None
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From: pcdinh at gmail dot com
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 [2009-01-29 19:19 UTC] pcdinh at gmail dot com
I wrote code to retrieve data that was returned from a query with Oracle cursor. However oci_fetch_assoc() causes Apache 2.2.11 being crashed and restarted. I am not sure if it is a Oracle client native library or OCI8 issue.

Reproduce code:

$conn = oci_connect("hr", "hr", 'xe');

$sql  = "SELECT department_id, department_name, CURSOR(SELECT COUNT(employee_id) num_empl
                                                      FROM employees e
                                                      WHERE e.department_id = d.department_id) AS empl_count
         FROM departments d";
$stmt = oci_parse($conn, $sql);


while ($data = oci_fetch_assoc($stmt))



Expected result:
Those code is a slightly modified version taken from PHP Manual

It should be executed without any crash and data can be retrieved normally (as guided by PHP Manual)

Actual result:
Apache crashes and restarts

Type of Analysis Performed   Crash Analysis 
Machine Name   HOME-4F44218659 
Operating System   Windows XP Service Pack 3 
Number Of Processors   2 
Process ID   2200 
Process Image   C:\server\Apache2.2\bin\httpd.exe 
System Up-Time   10:12:12 
Process Up-Time   00:01:07 

Thread 169 - System ID 2128
Entry point   msvcrt!endthreadex+3a 
Create time   1/30/2009 1:57:53 AM 
Time spent in user mode   0 Days 0:0:0.15 
Time spent in kernel mode   0 Days 0:0:0.93 

Function     Arg 1     Arg 2     Arg 3   Source 
OraClient10!kpufhndl0+33     4e5f544e     00000002     00000000    
OraClient10!kpufhndl+10     4e5f544e     00000002     049ff9e8    
OraClient10!OCIHandleFree+1a     4e5f544e     00000002     0084eef0    
oci!OCIHandleFree+1d     4e5f544e     00000002     01b8a9d8    
php_oci8!php_oci_statement_free+121     05ecf448     01b8a9d8     0083aa23    
php_oci8!php_oci_statement_list_dtor+11     05ed09b8     01b8a9d8     01be5278    
php5ts!list_entry_destructor+43     05ed09b8     01b8a9d8     05ed0988    
php5ts!zend_hash_apply_deleter+97     01be5278     05ed0988     01b8a9d8    
php5ts!zend_hash_apply_with_argument+5a     01be5278     01976a90     00000022    
php_oci8!zm_deactivate_oci+8a     00000001     00000029     01b8a9d8    
php5ts!module_registry_cleanup+1c     00fd4ec8     01b8a9d8     01b8a9d8    
php5ts!zend_hash_apply+40     00cd7340     007882c0     01b8a9d8    
php5ts!zend_deactivate_modules+62     049fffa4     00000000     56433230    
php5ts!zend_deactivate_modules+48     01b82a01     00000000     05ecc7c0    
php5ts!php_end_ob_buffers+26     01b8a9d8     0073a040     01b8a9d8    
php5ts!php_request_shutdown+247     00000000     00622fb6     01b82a18    
php5apache2_2!php_apache_request_dtor+8     01b82a18     01b8a9d8     00000005    
php5apache2_2!php_handler+646     01b82a18     0073a040     01b82a18    
libhttpd!ap_run_handler+21     01b82a18     01b82a18     01b82a18    
libhttpd!ap_invoke_handler+ae     00000000     01b7d9c0     049fff38    
libhttpd!ap_die+29e     01b82a18     00000000     007447a8    
libhttpd!ap_get_request_note+1c9c     01b7d9c0     01b7d9c0     01b7d9c0    
libhttpd!ap_run_process_connection+21     01b7d9c0     007121e8     049fff80    
libhttpd!ap_process_connection+33     01b7d9c0     01b76990     00e40000    
libhttpd!ap_regkey_value_remove+c7c     01b7d9b8     00e40000     00e80000    
msvcrt!endthreadex+a9     01b73958     00e40000     00e80000    
kernel32!GetModuleFileNameA+1b4     77c3a341     01b73958     00000000    

ORACLIENT10!KPUFHNDL0+33WARNING - DebugDiag was not able to locate debug symbols for OraClient10.Dll, so the information below may be incomplete.

In httpd__PID__2200__Date__01_30_2009__Time_01_59_00AM__328__Second_Chance_Exception_C0000005.dmp the assembly instruction at OraClient10!kpufhndl0+33 in C:\oraclexe\app\oracle\product\10.2.0\server\BIN\OraClient10.Dll from Oracle Corporation has caused an access violation exception (0xC0000005) when trying to read from memory location 0x4e5f544e on thread 169

Module Information 
Image Name: C:\oraclexe\app\oracle\product\10.2.0\server\BIN\OraClient10.Dll   Symbol Type:  Export 
Base address: 0x61c20000   Time Stamp:  Wed Feb 01 04:19:50 2006  
Checksum: 0x00251a65   Comments:   
COM DLL: False   Company Name:  Oracle Corporation 
ISAPIExtension: False   File Description:  Oracle RDBMS Client Library 
ISAPIFilter: False   File Version: Production 
Managed DLL: False   Internal Name:   
VB DLL: False   Legal Copyright:  Copyright Oracle 1979, 2004. All rights reserved. 
Loaded Image Name:  OraClient10.Dll   Legal Trademarks:   
Mapped Image Name:     Original filename:  oraclient10.dll 
Module name:  OraClient10   Private Build:   
Single Threaded:  False   Product Name:   
Module Size:  2.32 MBytes   Product Version:   
Symbol File Name:  OraClient10.Dll   Special Build:  & 


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 [2009-01-30 04:47 UTC] kureikain at gmail dot com
I don't think that is a bug!I have ever had same problem(MySQL)!Because i used wrong version of libmysql.dll!I copied frm XAMPP to System32! &when i install PHP from zip package,i forget to overwrite libmysql.dll in system32!Apache keep crashing whenever PHP execs query
 [2009-02-03 02:16 UTC]
Reproduces on Windows.  Also crashes with --enable-maintainer-zts mode on Linux
 [2009-02-27 23:26 UTC]
Fix is being reviewed prior to testing.
 [2009-03-09 20:11 UTC]
Changing Summary from "oci_fetch_assoc() causes Apache 2.2.11 crashed and restarted (SQL CURSOR)"
 [2009-03-09 20:15 UTC]
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
Thank you for the report, and for helping us make PHP better.

Fix has been merged to CVS. This changes the end-of-request shutdown and and end-of-process/thread behavior even for non thread safe builds (ie. most folk not using Windows) so please test thoroughly.
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