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Bug #24914 printing $GLOBALS in __destruct function cause PHP crush
Submitted: 2003-08-01 23:20 UTC Modified: 2003-08-11 14:43 UTC
From: itotakas at msu dot edu Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 5CVS-2003-08-11 (dev) OS: *
Private report: No CVE-ID: None
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From: itotakas at msu dot edu
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 [2003-08-01 23:20 UTC] itotakas at msu dot edu 
Description:
------------
printing $GLOBALS in __destruct function cause PHP crush

using Apache 1.3.24 and SAPI modules

Reproduce code:
---------------
<?
  class bug {
      function __destruct()
      {
          print_r($GLOBALS);
      }
  }

  $bug = new bug;
?>

Expected result:
----------------
printing all global variables

Actual result:
--------------
PHP crush

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 [2003-08-10 20:08 UTC] sniper@php.net 
Bactrace with latest PHP 5 CVS:

0x814775c in zend_print_zval_r_ex (write_func=0x811c2d8 <php_body_write_wrapper>, expr=0x40298c54, indent=8)
    at /usr/src/web/php/php5/Zend/zend.c:343
343                             if (++expr->value.ht->nApplyCount>1) {
(gdb) bt
#0  0x814775c in zend_print_zval_r_ex (write_func=0x811c2d8 <php_body_write_wrapper>, expr=0x40298c54, indent=8)
    at /usr/src/web/php/php5/Zend/zend.c:343
#1  0x8147720 in zend_print_zval_r (expr=0x40298c54, indent=8) at /usr/src/web/php/php5/Zend/zend.c:334
#2  0x814720d in print_hash (ht=0x81d0ef0, indent=4, is_object=0 '\000') at /usr/src/web/php/php5/Zend/zend.c:158
#3  0x814778e in zend_print_zval_r_ex (write_func=0x811c2d8 <php_body_write_wrapper>, expr=0x4028fbdc, indent=0)
    at /usr/src/web/php/php5/Zend/zend.c:348
#4  0x8147720 in zend_print_zval_r (expr=0x4028fbdc, indent=0) at /usr/src/web/php/php5/Zend/zend.c:334
#5  0x80ca229 in zif_print_r (ht=1, return_value=0x4029a9a4, this_ptr=0x0, return_value_used=0)
    at /usr/src/web/php/php5/ext/standard/basic_functions.c:2538
#6  0x8175d5e in zend_do_fcall_common_helper (execute_data=0xbfffe80c, op_array=0x4029e51c)
    at /usr/src/web/php/php5/Zend/zend_execute.c:2516
#7  0x8176312 in zend_do_fcall_handler (execute_data=0xbfffe80c, op_array=0x4029e51c)
    at /usr/src/web/php/php5/Zend/zend_execute.c:2647
#8  0x81602a4 in execute (op_array=0x4029e51c) at /usr/src/web/php/php5/Zend/zend_execute.c:1242
#9  0x8140730 in zend_call_function (fci=0xbfffe924, fci_cache=0x0)
    at /usr/src/web/php/php5/Zend/zend_execute_API.c:723
#10 0x813fed2 in call_user_function_ex (function_table=0x0, object_pp=0xbfffe998, function_name=0x4029acbc, 
    retval_ptr_ptr=0xbfffe99c, param_count=0, params=0x0, no_separation=0, symbol_table=0xbfffe9a0)
    at /usr/src/web/php/php5/Zend/zend_execute_API.c:497
#11 0x81532f3 in zend_objects_destroy_object (object=0x4029b0dc, handle=1)
    at /usr/src/web/php/php5/Zend/zend_objects.c:90
#12 0x8155342 in zend_objects_store_del_ref (zobject=0x4029b0fc) at /usr/src/web/php/php5/Zend/zend_objects_API.c:142
#13 0x8146eb1 in _zval_dtor (zvalue=0x4029b0fc) at /usr/src/web/php/php5/Zend/zend_variables.c:61
#14 0x813f9a5 in _zval_ptr_dtor (zval_ptr=0x4029d080) at /usr/src/web/php/php5/Zend/zend_execute_API.c:353
#15 0x814cc08 in zend_hash_destroy (ht=0x81d0ef0) at /usr/src/web/php/php5/Zend/zend_hash.c:513
#16 0x813f5b4 in shutdown_executor () at /usr/src/web/php/php5/Zend/zend_execute_API.c:209
#17 0x814801f in zend_deactivate () at /usr/src/web/php/php5/Zend/zend.c:795
#18 0x811c1c4 in php_request_shutdown (dummy=0x0) at /usr/src/web/php/php5/main/main.c:1180
#19 0x8180c5f in main (argc=2, argv=0xbffff694) at /usr/src/web/php/php5/sapi/cli/php_cli.c:1015
#20 0x401b19cb in __libc_start_main (main=0x817fe78 <main>, argc=2, argv=0xbffff694, init=0x8069ba0 <_init>, 
    fini=0x8181224 <_fini>, rtld_fini=0x4000aea0 <_dl_fini>, stack_end=0xbffff68c)
    at ../sysdeps/generic/libc-start.c:92
 [2003-08-11 14:10 UTC] helly@php.net 
Duplicate of #24908
 
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