From: [EMAIL PROTECTED]
Operating system: *
PHP version: 5CVS-2006-08-15 (CVS)
PHP Bug Type: Scripting Engine problem
Bug description: Segfault with __set()
Description:
------------
The following script crashes.
Reproduce code:
---------------
<?php
class Operation
{
function __set( $var, $value )
{
$this->$var = $value;
}
}
class ExtOperation extends Operation
{
private $x;
}
$op = new ExtOperation;
$op->x = 'test';
?>
Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1216329504 (LWP 14743)]
0x083c0de3 in zend_std_write_property (object=0xb77ce778,
member=0xb77d0cbc,
value=0xb77d0928)
at /dat/dev/php/php-5.2dev/Zend/zend_object_handlers.c:440
440 zend_hash_quick_update(zobj->properties,
property_info->name, property_info->name_length+1, property_info->h,
&value, sizeof(zval *), (void **) &foo);
(gdb) bt
#0 0x083c0de3 in zend_std_write_property (object=0xb77ce778,
member=0xb77d0cbc, value=0xb77d0928)
at /dat/dev/php/php-5.2dev/Zend/zend_object_handlers.c:440
#1 0x083e1405 in zend_assign_to_object (result=0xb77d01d8,
object_ptr=0x869e4ac, op2=0xb77d0200, value_op=0xb77d0238,
Ts=0xbfc25e50,
opcode=136) at /dat/dev/php/php-5.2dev/Zend/zend_execute.c:614
#2 0x084010b8 in ZEND_ASSIGN_OBJ_SPEC_UNUSED_CV_HANDLER (
execute_data=0xbfc25e84)
at /dat/dev/php/php-5.2dev/Zend/zend_vm_execute.h:18886
#3 0x083c5062 in execute (op_array=0xb77d1418)
at /dat/dev/php/php-5.2dev/Zend/zend_vm_execute.h:92
#4 0xb759f9d9 in xdebug_execute (op_array=0xb77d1418)
at /dat/dev/php/xdebug/xdebug.c:1388
#5 0x08395673 in zend_call_function (fci=0xbfc26124,
fci_cache=0xbfc260f8)
at /dat/dev/php/php-5.2dev/Zend/zend_execute_API.c:952
#6 0x083b9457 in zend_call_method (object_pp=0xbfc261b0,
obj_ce=0xb77d03a8,
fn_proxy=0xb77d04b8, function_name=0x8627492 "__set",
function_name_len=5,
retval_ptr_ptr=0xbfc26198, param_count=2, arg1=0xb77d0cbc,
arg2=0xb77d0928)
at /dat/dev/php/php-5.2dev/Zend/zend_interfaces.c:88
#7 0x083bfc82 in zend_std_call_setter (object=0xb77ce778,
member=0xb77d0cbc,
value=0xb77d0928) at
/dat/dev/php/php-5.2dev/Zend/zend_object_handlers.c:98
#8 0x083c0d11 in zend_std_write_property (object=0xb77ce778,
member=0xb77ced70, value=0xb77d0928)
---Type <return> to continue, or q <return> to quit---
at /dat/dev/php/php-5.2dev/Zend/zend_object_handlers.c:426
#9 0x083e1405 in zend_assign_to_object (result=0xb77ced44,
object_ptr=0xb77d06dc, op2=0xb77ced6c, value_op=0xb77ceda4,
Ts=0xbfc26330,
opcode=136) at /dat/dev/php/php-5.2dev/Zend/zend_execute.c:614
#10 0x08408a3e in ZEND_ASSIGN_OBJ_SPEC_CV_CONST_HANDLER (
execute_data=0xbfc263e4)
at /dat/dev/php/php-5.2dev/Zend/zend_vm_execute.h:21518
#11 0x083c5062 in execute (op_array=0xb77ce7ac)
at /dat/dev/php/php-5.2dev/Zend/zend_vm_execute.h:92
#12 0xb759f9d9 in xdebug_execute (op_array=0xb77ce7ac)
at /dat/dev/php/xdebug/xdebug.c:1388
#13 0x083a27ff in zend_execute_scripts (type=8, retval=0x0, file_count=3)
at /dat/dev/php/php-5.2dev/Zend/zend.c:1095
#14 0x083526fc in php_execute_script (primary_file=0xbfc2885c)
at /dat/dev/php/php-5.2dev/main/main.c:1759
#15 0x0841b1ef in main (argc=1, argv=0xbfc28984)
at /dat/dev/php/php-5.2dev/sapi/cli/php_cli.c:1097
(gdb) quit
The program is running. Exit anyway? (y or n) y
--
Edit bug report at http://bugs.php.net/?id=38461&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=38461&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=38461&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=38461&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=38461&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=38461&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=38461&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=38461&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=38461&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=38461&r=support
Expected behavior: http://bugs.php.net/fix.php?id=38461&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=38461&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=38461&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=38461&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=38461&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=38461&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=38461&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=38461&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=38461&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=38461&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=38461&r=mysqlcfg