From:             RQuadling at GMail dot com
Operating system: Windows XP SP3
PHP version:      5.3SVN-2009-10-15 (snap)
PHP Bug Type:     Reproducible crash
Bug description:  Access Violation error

Description:
------------
Just upgraded to the latest 5.3 snapshot. Getting an Access Violation 
for one of my bigger command line scripts.

The backtrace shows the issue is in zend_gc.c

I'm working on trying to cut down the code to a usable example, but I 
don't know how successful I'll be.



Reproduce code:
---------------
Thread 0 - System ID 4572
Entry point   php!mainCRTStartup 
Create time   2009/10/15 10:49:27 
Time spent in user mode   0 Days 0:0:33.671 
Time spent in kernel mode   0 Days 0:0:2.468 






Function     Arg 1     Arg 2     Arg 3   Source 
php5!gc_zval_possible_root+4c     0bcb9ae0     0bcb8d98     10081d37  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend_gc.c @ 143 + 12 
php5!_zval_ptr_dtor+65     0bcb8d64     1053ea74     0bc854f8  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend_execute_api.c @ 445 + 13 
php5!zend_hash_destroy+27     0bc84d18     00000020     10098eb4  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend_hash.c @ 526 + 6 
php5!zend_objects_free_object_storage+2b     0bc854f8     00000000    
00000000   d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend_objects.c @ 114
+ 2a 
php5!zend_objects_store_free_object_storage+74     1053ea74     78583b4e  
  1008160d   d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend_objects_api.c
@ 92 + 6 
php5!shutdown_executor+1ac     012ed608     00000000     00c0fa74  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend_execute_api.c @ 298 + a 
php5!zend_deactivate+53     003d31dc     003d31d0     00000000  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\zend\zend.c @ 892 
php5!php_request_shutdown+1b5     00000000     0040642c     00000001  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\main\main.c @ 1604 
php!main+108c     00000004     003d31d0     003d34b8  
d:\php-sdk\snap_5_3\vc9\x86\snap53_vc9\sapi\cli\php_cli.c @ 1371 + 8 
php!memcpy+160     0013ed44     00000000     7ffdc000  
f:\dd\vctools\crt_bld\self_x86\crt\src\crtexe.c @ 586 + 17 
kernel32!BaseProcessStart+23     00402dda     00000000     000000c8    




PHP5!GC_ZVAL_POSSIBLE_ROOT+4CIn
PHP__PID__5460__Date__10_15_2009__Time_10_54_22AM__957__Second_Chance_Exception_C0000005.dmp
the assembly instruction at php5!gc_zval_possible_root+4c in
C:\PHP5\php5.dll from The PHP Group has caused an access violation
exception (0xC0000005) when trying to read from memory location 0x00000000
on thread 0



-- 
Edit bug report at http://bugs.php.net/?id=49888&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=49888&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=49888&r=trysnapshot53
Try a snapshot (PHP 6.0):            
http://bugs.php.net/fix.php?id=49888&r=trysnapshot60
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=49888&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=49888&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=49888&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=49888&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=49888&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=49888&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=49888&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=49888&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=49888&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=49888&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=49888&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=49888&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=49888&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=49888&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=49888&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=49888&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=49888&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=49888&r=mysqlcfg

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