PHP  
 PHP_5_4
downloads | QA | documentation | faq | getting help | mailing lists | reporting bugs | php.net sites | links | my php.net 
 

Valgrind Report for Zend/tests/bug64896.phpt ('Bug #64896 (Segfault with gc_collect_cycles using unserialize on certain objects)')

Script

1: <?php
2: $bar 
NULL;
3: class 
bad
4:
{
5:     private 
$_private = array();
6:
7:     public function 
__construct()
8:     {
9:         
$this->_private[] = 'php';
10:     }
11:
12:     public function 
__destruct()
13:     {
14:         global 
$bar;
15:         
$bar $this;
16:     }
17: }
18:
19:
$foo = new stdclass;
20:
$foo->foo $foo;
21:
$foo->bad = new bad;
22:
23:
gc_disable();
24:
25:
unserialize(serialize($foo));
26:
gc_collect_cycles();
27:
var_dump($bar); 
28:
/*  will output:
29: object(bad)#4 (1) {
30:   ["_private":"bad":private]=>
31:   &UNKNOWN:0
32: }
33: */
34:
?>
35:

Report

==20081== Invalid read of size 1
==20081==    at 0xB912B2: php_var_dump (var.c:99)
==20081==    by 0xB91224: php_object_property_dump (var.c:82)
==20081==    by 0xD9D565: zend_hash_apply_with_arguments (zend_hash.c:772)
==20081==    by 0xB91B3D: php_var_dump (var.c:146)
==20081==    by 0xB91E3A: zif_var_dump (var.c:183)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081==  Address 0x14e14424 is 20 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid read of size 1
==20081==    at 0xB91383: php_var_dump (zend.h:399)
==20081==    by 0xB91224: php_object_property_dump (var.c:82)
==20081==    by 0xD9D565: zend_hash_apply_with_arguments (zend_hash.c:772)
==20081==    by 0xB91B3D: php_var_dump (var.c:146)
==20081==    by 0xB91E3A: zif_var_dump (var.c:183)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081==  Address 0x14e14425 is 21 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid read of size 4
==20081==    at 0xD63129: _zval_ptr_dtor (zend.h:395)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14420 is 16 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid write of size 4
==20081==    at 0xD63133: _zval_ptr_dtor (zend.h:395)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14420 is 16 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid read of size 4
==20081==    at 0xD63145: _zval_ptr_dtor (zend.h:383)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14420 is 16 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid read of size 4
==20081==    at 0xD6325E: _zval_ptr_dtor (zend.h:383)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14420 is 16 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid write of size 1
==20081==    at 0xD63275: _zval_ptr_dtor (zend.h:407)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14425 is 21 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid read of size 1
==20081==    at 0xD6329A: _zval_ptr_dtor (zend_gc.h:182)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14424 is 20 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 
==20081== Invalid read of size 1
==20081==    at 0xD632B8: _zval_ptr_dtor (zend_gc.h:182)
==20081==    by 0xD9C860: zend_hash_destroy (zend_hash.c:560)
==20081==    by 0xDC6128: zend_object_std_dtor (zend_objects.c:44)
==20081==    by 0xDC67F4: zend_objects_free_object_storage (zend_objects.c:137)
==20081==    by 0xDD5462: zend_objects_store_del_ref_by_handle_ex (zend_objects_API.c:226)
==20081==    by 0xDD506A: zend_objects_store_del_ref (zend_objects_API.c:178)
==20081==    by 0xD7E74C: _zval_dtor_func (zend_variables.c:54)
==20081==    by 0xD63204: _zval_ptr_dtor (zend_variables.h:35)
==20081==    by 0xD9CDB5: zend_hash_apply_deleter (zend_hash.c:650)
==20081==    by 0xD9D799: zend_hash_reverse_apply (zend_hash.c:804)
==20081==    by 0xD62539: shutdown_destructors (zend_execute_API.c:217)
==20081==    by 0xD81BFD: zend_call_destructors (zend.c:918)
==20081==  Address 0x14e14424 is 20 bytes inside a block of size 32 free'd
==20081==    at 0x4C274D4: free (vg_replace_malloc.c:468)
==20081==    by 0xD36201: _efree (zend_alloc.c:2433)
==20081==    by 0xDC2D60: gc_collect_cycles (zend_gc.c:851)
==20081==    by 0xDA265C: zif_gc_collect_cycles (zend_builtin_functions.c:361)
==20081==    by 0xDE1537: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:643)
==20081==    by 0xDEB6D7: ZEND_DO_FCALL_SPEC_CONST_HANDLER (zend_vm_execute.h:2233)
==20081==    by 0xDDF693: execute (zend_vm_execute.h:410)
==20081==    by 0xD83640: zend_execute_scripts (zend.c:1315)
==20081==    by 0xCB5995: php_execute_script (main.c:2502)
==20081==    by 0xF51784: do_cli (php_cli.c:989)
==20081==    by 0xF52DC1: main (php_cli.c:1365)
==20081== 

 

Generated at Tue, 29 Jul 2014 09:53:19 +0000 (23 hours ago)

Copyright © 2005-2014 The PHP Group
All rights reserved.