From: [EMAIL PROTECTED]
Operating system: *
PHP version: 5CVS-2004-09-08 (dev)
PHP Bug Type: Zend Engine 2 problem
Bug description: Infinite loop causing SIGBUS
Description:
------------
Calling parent::__construct with call_user_func*() causes what appears to
be an infinite loop. (see backtrace)
Reproduce code:
---------------
class A {
function __construct() {}
}
class B extends A {
function __construct() {
call_user_func(array("parent", "__construct"));
}
}
$d= new B();
Expected result:
----------------
nothing
Actual result:
--------------
#0 0x285da2a9 in malloc () from /lib/libc.so.5
#1 0x081cc5b5 in _emalloc (size=32,
__zend_filename=0x8283de0
"/usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c",
__zend_lineno=826,
__zend_orig_filename=0x8285d00
"/usr/home/curt/cvs/php/php-src/Zend/zend_hash.c",
__zend_orig_lineno=169)
at /usr/home/curt/cvs/php/php-src/Zend/zend_alloc.c:181
#2 0x081cca85 in _ecalloc (nmemb=8, size=4,
__zend_filename=0x8283de0
"/usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c",
__zend_lineno=826,
__zend_orig_filename=0x8285d00
"/usr/home/curt/cvs/php/php-src/Zend/zend_hash.c",
__zend_orig_lineno=169)
at /usr/home/curt/cvs/php/php-src/Zend/zend_alloc.c:319
#3 0x081ed3cf in _zend_hash_init (ht=0x8543224, nSize=0,
pHashFunction=0,
pDestructor=0x81e52ac <_zval_ptr_dtor_wrapper>, persistent=0 '\0',
__zend_filename=0x8283de0
"/usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c",
__zend_lineno=826)
at /usr/home/curt/cvs/php/php-src/Zend/zend_hash.c:169
#4 0x081daf19 in zend_call_function (fci=0xbfb001f0, fci_cache=0x0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c:826
#5 0x081da044 in call_user_function_ex (function_table=0x82c8000,
object_pp=0x0, function_name=0x8542624, retval_ptr_ptr=0xbfb00268,
param_count=0, params=0x85426a8, no_separation=0, symbol_table=0x0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c:556
#6 0x08126406 in zif_call_user_func (ht=1, return_value=0x8542664,
this_ptr=0x0, return_value_used=0)
at /usr/home/curt/cvs/php/php-src/ext/standard/basic_functions.c:2010
#7 0x0820fb4b in zend_do_fcall_common_helper (execute_data=0xbfb00350)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:2983
#8 0x082102c7 in zend_do_fcall_handler (execute_data=0xbfb00350)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:3117
#9 0x0820bec6 in execute (op_array=0x835a424)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:1498
#10 0x081daf7b in zend_call_function (fci=0xbfb004a0, fci_cache=0x0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c:834
#11 0x081da044 in call_user_function_ex (function_table=0x82c8000,
object_pp=0x0, function_name=0x8542424, retval_ptr_ptr=0xbfb00518,
param_count=0, params=0x85424a8, no_separation=0, symbol_table=0x0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c:556
#12 0x08126406 in zif_call_user_func (ht=1, return_value=0x8542464,
this_ptr=0x0, return_value_used=0)
at /usr/home/curt/cvs/php/php-src/ext/standard/basic_functions.c:2010
#13 0x0820fb4b in zend_do_fcall_common_helper (execute_data=0xbfb00600)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:2983
#14 0x082102c7 in zend_do_fcall_handler (execute_data=0xbfb00600)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:3117
#15 0x0820bec6 in execute (op_array=0x835a424)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:1498
....
#9028 0x081daf7b in zend_call_function (fci=0xbfbfcbf0, fci_cache=0x0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c:834
#9029 0x081da044 in call_user_function_ex (function_table=0x82c8000,
object_pp=0x0, function_name=0x8359624, retval_ptr_ptr=0xbfbfcc68,
param_count=0, params=0x83596a8, no_separation=0, symbol_table=0x0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute_API.c:556
#9030 0x08126406 in zif_call_user_func (ht=1, return_value=0x8359664,
this_ptr=0x0, return_value_used=0)
at /usr/home/curt/cvs/php/php-src/ext/standard/basic_functions.c:2010
#9031 0x0820fb4b in zend_do_fcall_common_helper (execute_data=0xbfbfcd50)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:2983
#9032 0x082102c7 in zend_do_fcall_handler (execute_data=0xbfbfcd50)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:3117
#9033 0x0820bec6 in execute (op_array=0x835a424)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:1498
#9034 0x0820fce4 in zend_do_fcall_common_helper (execute_data=0xbfbfcee0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:3012
#9035 0x082101b2 in zend_do_fcall_by_name_handler
(execute_data=0xbfbfcee0)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:3097
#9036 0x0820bec6 in execute (op_array=0x835a124)
at /usr/home/curt/cvs/php/php-src/Zend/zend_execute.c:1498
#9037 0x081e7315 in zend_execute_scripts (type=8, retval=0x0,
file_count=3)
at /usr/home/curt/cvs/php/php-src/Zend/zend.c:1054
#9038 0x081a0d05 in php_execute_script (primary_file=0xbfbfe608)
at /usr/home/curt/cvs/php/php-src/main/main.c:1634
#9039 0x08219ee1 in main (argc=2, argv=0xbfbfe678)
at /usr/home/curt/cvs/php/php-src/sapi/cli/php_cli.c:943
#9040 0x0807aaf2 in _start ()
--
Edit bug report at http://bugs.php.net/?id=30021&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=30021&r=trysnapshot4
Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=30021&r=trysnapshot50
Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=30021&r=trysnapshot51
Fixed in CVS: http://bugs.php.net/fix.php?id=30021&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=30021&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=30021&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=30021&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=30021&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=30021&r=support
Expected behavior: http://bugs.php.net/fix.php?id=30021&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=30021&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=30021&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=30021&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=30021&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=30021&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=30021&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=30021&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=30021&r=float
MySQL Configuration Error: http://bugs.php.net/fix.php?id=30021&r=mysqlcfg
