From: [EMAIL PROTECTED]
Operating system: FreeBSD 4.7
PHP version: 5CVS-2003-01-30 (dev)
PHP Bug Type: Zend Engine 2 problem
Bug description: get_parent_class segfault
Additionals:
Apache 1.3.27-mod_ssl
Script to reproduce:
<?php
class man
{
var $name, $bars;
function man()
{
$this->name = 'Mr. X';
$this->bars = array();
}
function getdrunk($where)
{
$this->bars[] = new bar($where);
}
function getName()
{
return $this->name;
}
}
class bar extends man
{
var $name;
function bar($w)
{
$this->name = $w;
}
function getName()
{
return $this->name;
}
function whosdrunk()
{
$who = get_parent_class($this);
if($who == NULL)
{
return 'nobody';
}
return eval($who.'::getName()');
}
}
$x = new man;
$x->getdrunk('The old Tavern');
$x->bars[0]->whosdrunk();
?>
Backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x28586642 in zif_get_parent_class (ht=1, return_value=0x8104858,
this_ptr=0x0, return_value_used=1)
at /home/mdev/cvs/php5/Zend/zend_builtin_functions.c:563
563 name = ce->name;
#0 0x28586642 in zif_get_parent_class (ht=1, return_value=0x8104858,
this_ptr=0x0, return_value_used=1)
at /home/mdev/cvs/php5/Zend/zend_builtin_functions.c:563
#1 0x28594f5b in zend_do_fcall_common_helper (execute_data=0xbfbfe0bc,
op_array=0x8106850)
at /home/mdev/cvs/php5/Zend/zend_execute.c:2620
#2 0x285956a5 in zend_do_fcall_handler (execute_data=0xbfbfe0bc,
op_array=0x8106850)
at /home/mdev/cvs/php5/Zend/zend_execute.c:2748
#3 0x2858f5c7 in execute (op_array=0x8106850) at
/home/mdev/cvs/php5/Zend/zend_execute.c:1227
#4 0x28595158 in zend_do_fcall_common_helper (execute_data=0xbfbfe39c,
op_array=0x810388c)
at /home/mdev/cvs/php5/Zend/zend_execute.c:2654
#5 0x28595577 in zend_do_fcall_by_name_handler (execute_data=0xbfbfe39c,
op_array=0x810388c)
at /home/mdev/cvs/php5/Zend/zend_execute.c:2718
#6 0x2858f5c7 in execute (op_array=0x810388c) at
/home/mdev/cvs/php5/Zend/zend_execute.c:1227
#7 0x2857b7b0 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
at /home/mdev/cvs/php5/Zend/zend.c:996
#8 0x2853d0dc in php_execute_script (primary_file=0xbfbff944) at
/home/mdev/cvs/php5/main/main.c:1699
#9 0x2859be4a in apache_php_module_main (r=0x809f038,
display_source_mode=0)
at /home/mdev/cvs/php5/sapi/apache/sapi_apache.c:55
#10 0x2859ce90 in send_php (r=0x809f038, display_source_mode=0,
filename=0x80a0b08 "/usr/local/www/data/bug.php") at
/home/mdev/cvs/php5/sapi/apache/mod_php4.c:608
#11 0x2859cf03 in send_parsed_php (r=0x809f038) at
/home/mdev/cvs/php5/sapi/apache/mod_php4.c:623
#12 0x8053688 in ap_invoke_handler (r=0x809f038) at http_config.c:518
#13 0x80631a9 in process_request_internal (r=0x809f038) at
http_request.c:1308
#14 0x8063208 in ap_process_request (r=0x809f038) at http_request.c:1324
#15 0x805c63e in child_main (child_num_arg=0) at http_main.c:4689
#16 0x805c7d0 in make_child (s=0x8099038, slot=0, now=1043934649) at
http_main.c:4813
#17 0x805c8ed in startup_children (number_to_start=5) at http_main.c:4895
#18 0x805cddc in standalone_main (argc=3, argv=0xbfbffc4c) at
http_main.c:5203
#19 0x805d4d7 in main (argc=3, argv=0xbfbffc4c) at http_main.c:5566
(gdb) print ce
$1 = (zend_class_entry *) 0x0
--
Edit bug report at http://bugs.php.net/?id=21961&edit=1
--
Try a CVS snapshot: http://bugs.php.net/fix.php?id=21961&r=trysnapshot
Fixed in CVS: http://bugs.php.net/fix.php?id=21961&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=21961&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=21961&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=21961&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=21961&r=support
Expected behavior: http://bugs.php.net/fix.php?id=21961&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=21961&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=21961&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=21961&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=21961&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=21961&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=21961&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=21961&r=gnused
