From: guilhermeblanco at gmail dot com
Operating system: Windows Vista Home Premium 32bit
PHP version: 5.3CVS-2008-08-13 (snap)
PHP Bug Type: PHAR related
Bug description: file_exists crashes Apache when phar is enabled
Description:
------------
With phar enabled the code below crashes my Apache. I was requested to get
a backtrace (#php.pecl @ efnet), here is the content:
Analysis Summary
Type Description Recommendation
Error WARNING - DebugDiag was not able to locate debug symbols for
C:\Server\php5.3.0-200808121402\ext\php_phar.dll, so the information below
may be incomplete.
In
httpd__PID__2124__Date__08_13_2008__Time_04_42_34PM__689__Second_Chance_Exception_C0000005.dmp
the module C:\Server\php5.3.0-200808121402\ext\php_phar.dll has caused an
access violation exception (0xC0000005) when trying to read from memory
location 0x00000000 on thread 2
Please follow up with the vendor of this module, The PHP Group, for
further assistance with this issue.
Information DebugDiag determined that this dump file
(httpd__PID__2124__Date__08_13_2008__Time_04_42_34PM__689__Second_Chance_Exception_C0000005.dmp)
is a crash dump and did not perform any hang analysis. If you wish to
enable combined crash and hang analysis for crash dumps, edit the
CrashHangAnalysis.asp script (located in the DebugDiag\Scripts folder) and
set the g_DoCombinedAnalysis constant to True.
Analysis Details
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Table Of Contents
httpd__PID__2124__Date__08_13_2008__Time_04_42_34PM__689__Second_Chance_Exception_C0000005.dmp
Faulting Thread
Report for
httpd__PID__2124__Date__08_13_2008__Time_04_42_34PM__689__Second_Chance_Exception_C0000005.dmp
Report for
httpd__PID__2124__Date__08_13_2008__Time_04_42_34PM__689__Second_Chance_Exception_C0000005.dmp
Type of Analysis Performed Crash Analysis
Machine Name BLANCO-LAPTOP
Operating System Windows Vista Service Pack 1
Number Of Processors 2
Process ID 2124
Process Image C:\Server\Apache2.2.8\bin\httpd.exe
System Up-Time 14:44:18
Process Up-Time 00:00:24
Thread 2 - System ID 4924
Entry point msvcrt!beginthreadex+86
Create time 13/08/2008 16:42:10
Time spent in user mode 0 Days 0:0:0.0
Time spent in kernel mode 0 Days 0:0:0.0
Function Arg 1 Arg 2 Arg 3 Source
0x00000000 00000001 040ed2f0 00000000
php_phar+5d5b 00000001 040ed2f0 00000000
php5ts!execute+cc5 00000000 00000000 00000000
WARNING - DebugDiag was not able to locate debug symbols for
C:\Server\php5.3.0-200808121402\ext\php_phar.dll, so the information below
may be incomplete.
In
httpd__PID__2124__Date__08_13_2008__Time_04_42_34PM__689__Second_Chance_Exception_C0000005.dmp
the module C:\Server\php5.3.0-200808121402\ext\php_phar.dll has caused an
access violation exception (0xC0000005) when trying to read from memory
location 0x00000000 on thread 2
Module Information
Image Name: C:\Server\php5.3.0-200808121402\ext\php_phar.dll Symbol
Type: Export
Base address: 0x00b00000 Time Stamp: Tue Aug 12 15:01:58 2008
Checksum: 0x00000000 Comments: Thanks to Gregory Beaver, Marcus
Boerger
COM DLL: False Company Name: The PHP Group
ISAPIExtension: False File Description: PHP Archive
ISAPIFilter: False File Version: 5.3.0alpha2-dev
Managed DLL: False Internal Name: PHAR extension
VB DLL: False Legal Copyright: Copyright © 1997-2008 The PHP
Group
Loaded Image Name: php_phar.dll Legal Trademarks: PHP
Mapped Image Name: C:\Server\php5.3.0-200808121402\ext\php_phar.dll
Original filename: php_phar.dll
Module name: php_phar Private Build:
Single Threaded: False Product Name: PHP
Module Size: 224,00 KBytes Product Version: 5.3.0alpha2-dev
Symbol File Name: php_phar.dll Special Build: &
Script Summary
Script Name Status Error Code Error Source Error Description
Source
Line
CrashHangAnalysis.asp Completed
Reproduce code:
---------------
<?php
if (file_exists('Foo.php')) {}
Actual result:
--------------
Apache crash
--
Edit bug report at http://bugs.php.net/?id=45811&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=45811&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=45811&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=45811&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=45811&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=45811&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=45811&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=45811&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=45811&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=45811&r=support
Expected behavior: http://bugs.php.net/fix.php?id=45811&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=45811&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=45811&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=45811&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45811&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=45811&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=45811&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=45811&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=45811&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=45811&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=45811&r=mysqlcfg
