ID: 27589
User updated by: keith at aphore dot com
Reported By: keith at aphore dot com
-Status: Bogus
+Status: Open
Bug Type: Zend Engine 2 problem
Operating System: *
PHP Version: 5CVS-2004-03-15
New Comment:
This is not bogus .
yes i know this shouldn't be done , but the point is , it should error,
not segfault :)
Broken code != Broken engine.
Regardless of how the bad the Code is , PHP should be able to handle it
correctly .
Previous Comments:
------------------------------------------------------------------------
[2004-03-15 10:25:57] [EMAIL PROTECTED]
Infinite recursion -> stack corrupted. (bogus, don't do stuff like this
:)
------------------------------------------------------------------------
[2004-03-15 09:57:37] [EMAIL PROTECTED]
With HEAD today:
#0 0x4061e6af in tolower () from /lib/i686/libc.so.6
#1 0x0834ebd9 in zend_str_tolower_copy (dest=0xbf800060 "",
source=0x40e44884 "rah", length=3)
at /usr/src/web/php/php5/Zend/zend_operators.c:1732
#2 0x0834673e in zend_lookup_class (name=0x40e44884 "rah",
name_length=3, ce=0xbf8000f0)
at /usr/src/web/php/php5/Zend/zend_execute_API.c:855
#3 0x08347136 in zend_fetch_class (class_name=0x40e44884 "rah",
class_name_len=3, fetch_type=0)
at /usr/src/web/php/php5/Zend/zend_execute_API.c:1231
#4 0x083778f4 in zend_fetch_class_handler (execute_data=0xbf8001c0,
opline=0x40e456c8, op_array=0x40e44660)
at /usr/src/web/php/php5/Zend/zend_execute.c:2388
#5 0x083747f8 in execute (op_array=0x40e44660) at
/usr/src/web/php/php5/Zend/zend_execute.c:1339
#6 0x08378570 in zend_do_fcall_common_helper (execute_data=0xbf800310,
opline=0x40e44140, op_array=0x40e453a8)
at /usr/src/web/php/php5/Zend/zend_execute.c:2677
#7 0x08378a19 in zend_do_fcall_by_name_handler
(execute_data=0xbf800310, opline=0x40e44140, op_array=0x40e453a8)
at /usr/src/web/php/php5/Zend/zend_execute.c:2759
#8 0x083747f8 in execute (op_array=0x40e453a8) at
/usr/src/web/php/php5/Zend/zend_execute.c:1339
#9 0x08378570 in zend_do_fcall_common_helper (execute_data=0xbf800460,
opline=0x40e457f8, op_array=0x40e44660)
at /usr/src/web/php/php5/Zend/zend_execute.c:2677
#10 0x08378a19 in zend_do_fcall_by_name_handler
(execute_data=0xbf800460, opline=0x40e457f8, op_array=0x40e44660)
at /usr/src/web/php/php5/Zend/zend_execute.c:2759
#11 0x083747f8 in execute (op_array=0x40e44660) at
/usr/src/web/php/php5/Zend/zend_execute.c:1339
#12 0x08378570 in zend_do_fcall_common_helper (execute_data=0xbf8005b0,
opline=0x40e44140, op_array=0x40e453a8)
at /usr/src/web/php/php5/Zend/zend_execute.c:2677
#13 0x08378a19 in zend_do_fcall_by_name_handler
(execute_data=0xbf8005b0, opline=0x40e44140, op_array=0x40e453a8)
at /usr/src/web/php/php5/Zend/zend_execute.c:2759
------------------------------------------------------------------------
[2004-03-13 18:19:51] keith at aphore dot com
Description:
------------
PHP Segfaults When running the Following Piece of Code .
Yes i know its Bad Code , and you should never do that , but it should
at best Error out , not Segfault .
Keith
Reproduce code:
---------------
class rah {
function __construct ()
{
$bleh = new bleh();
}
}
$rah = new rah;
class bleh {
function __construct()
{
$rah = new rah();
}
}
Expected result:
----------------
It Should at best Error out , not Segfault !
Actual result:
--------------
output obtained via
gdb ~/bin/php core.15982
#0 0x081d9788 in zend_lookup_class (name=0x42279fe4 "rah",
name_length=3, ce=0xb4bcd034)
at /home/archer/php-5.0.0b4/Zend/zend_execute_API.c:806
806 zval class_name, *class_name_ptr = &class_name;
(gdb) bt
#0 0x081d9788 in zend_lookup_class (name=0x42279fe4 "rah",
name_length=3, ce=0xb4bcd034)
at /home/archer/php-5.0.0b4/Zend/zend_execute_API.c:806
#1 0x081d9fce in zend_fetch_class (class_name=0x42279fe4 "rah",
class_name_len=3, fetch_type=0)
at /home/archer/php-5.0.0b4/Zend/zend_execute_API.c:1195
#2 0x08204723 in zend_fetch_class_handler (execute_data=0xb4bcd100,
opline=0x42285838, op_array=0x42279dc0)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2382
#3 0x08201ed6 in execute (op_array=0x42279dc0) at
/home/archer/php-5.0.0b4/Zend/zend_execute.c:1339
#4 0x0820521b in zend_do_fcall_common_helper (execute_data=0xb4bcd240,
opline=0x42285684, op_array=0x42279730)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2671
#5 0x08205625 in zend_do_fcall_by_name_handler
(execute_data=0xb4bcd240, opline=0x42285684, op_array=0x42279730)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2753
#6 0x08201ed6 in execute (op_array=0x42279730) at
/home/archer/php-5.0.0b4/Zend/zend_execute.c:1339
#7 0x0820521b in zend_do_fcall_common_helper (execute_data=0xb4bcd380,
opline=0x42285968, op_array=0x42279dc0)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2671
#8 0x08205625 in zend_do_fcall_by_name_handler
(execute_data=0xb4bcd380, opline=0x42285968, op_array=0x42279dc0)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2753
#9 0x08201ed6 in execute (op_array=0x42279dc0) at
/home/archer/php-5.0.0b4/Zend/zend_execute.c:1339
#10 0x0820521b in zend_do_fcall_common_helper (execute_data=0xb4bcd4c0,
opline=0x42285684, op_array=0x42279730)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2671
#11 0x08205625 in zend_do_fcall_by_name_handler
(execute_data=0xb4bcd4c0, opline=0x42285684, op_array=0x42279730)
at /home/archer/php-5.0.0b4/Zend/zend_execute.c:2753
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/?id=27589&edit=1
