From:             fel...@php.net
Operating system: Linux
PHP version:      5.2CVS-2009-06-15 (CVS)
PHP Bug Type:     WDDX related
Bug description:  Object recursion causes segfault when used in 
wddx_serialize_vars()

Description:
------------
See below.

Reproduce code:
---------------
$a[] = new stdclass; $a[] = &$a; wddx_serialize_vars($a);

Expected result:
----------------
No SIGSEGV.

Actual result:
--------------
#0  0xb7482e60 in pthread_getspecific () from
/lib/i686/cmov/libpthread.so.0
#1  0x08553158 in ts_resource_ex (id=0, th_id=0x0) at
/home/felipe/dev/php5/TSRM/TSRM.c:329
#2  0x08524f9b in php_wddx_add_var (packet=0xa383c84, name_var=0xa382b94)
at /home/felipe/dev/php5/ext/wddx/wddx.c:696
#3  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
#4  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
#5  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
#6  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
#7  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
#8  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
#9  0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec)
at /home/felipe/dev/php5/ext/wddx/wddx.c:712
...

-- 
Edit bug report at http://bugs.php.net/?id=48562&edit=1
-- 
Try a CVS snapshot (PHP 5.2):        
http://bugs.php.net/fix.php?id=48562&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):        
http://bugs.php.net/fix.php?id=48562&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):        
http://bugs.php.net/fix.php?id=48562&r=trysnapshot60
Fixed in CVS:                        
http://bugs.php.net/fix.php?id=48562&r=fixedcvs
Fixed in CVS and need be documented: 
http://bugs.php.net/fix.php?id=48562&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=48562&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=48562&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=48562&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=48562&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=48562&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=48562&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=48562&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=48562&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=48562&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=48562&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=48562&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=48562&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=48562&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=48562&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=48562&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=48562&r=mysqlcfg

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