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Bug #69700 tests/lang/this_assignment.phpt memory errors
Submitted: 2015-05-24 20:11 UTC Modified: 2015-05-24 20:11 UTC
From: nikic@php.net Assigned: dmitry (profile)
Status: Closed Package: Scripting Engine problem
PHP Version: 5.6Git-2015-05-24 (Git) OS:
Private report: No CVE-ID: None
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 [2015-05-24 20:11 UTC] nikic@php.net 
Description:
------------
From gcov:

==5934== Invalid read of size 8
==5934==    at 0x10B3C11: ZEND_INIT_METHOD_CALL_SPEC_UNUSED_CONST_HANDLER (zend_vm_execute.h:23938)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934==  Address 0x11d52e70 is 16 bytes inside a block of size 40 free'd
==5934==    at 0x4C27C24: free (vg_replace_malloc.c:473)
==5934==    by 0xEECE24: _efree (zend_alloc.c:2222)
==5934==    by 0xFF31A2: zend_objects_store_del (zend_objects_API.c:205)
==5934==    by 0xF40F2D: _zval_dtor_func_for_ptr (zend_variables.c:116)
==5934==    by 0x10F25B2: zend_assign_to_variable (zend_execute.h:104)
==5934==    by 0x10F25B2: ZEND_ASSIGN_SPEC_CV_VAR_HANDLER (zend_vm_execute.h:33656)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934== 
==5934== Invalid read of size 8
==5934==    at 0x10B3CBA: ZEND_INIT_METHOD_CALL_SPEC_UNUSED_CONST_HANDLER (zend_vm_execute.h:23944)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934==  Address 0x11d52e78 is 24 bytes inside a block of size 40 free'd
==5934==    at 0x4C27C24: free (vg_replace_malloc.c:473)
==5934==    by 0xEECE24: _efree (zend_alloc.c:2222)
==5934==    by 0xFF31A2: zend_objects_store_del (zend_objects_API.c:205)
==5934==    by 0xF40F2D: _zval_dtor_func_for_ptr (zend_variables.c:116)
==5934==    by 0x10F25B2: zend_assign_to_variable (zend_execute.h:104)
==5934==    by 0x10F25B2: ZEND_ASSIGN_SPEC_CV_VAR_HANDLER (zend_vm_execute.h:33656)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934== 
==5934== Invalid read of size 8
==5934==    at 0x10B3D30: ZEND_INIT_METHOD_CALL_SPEC_UNUSED_CONST_HANDLER (zend_vm_execute.h:23952)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934==  Address 0x11d52e78 is 24 bytes inside a block of size 40 free'd
==5934==    at 0x4C27C24: free (vg_replace_malloc.c:473)
==5934==    by 0xEECE24: _efree (zend_alloc.c:2222)
==5934==    by 0xFF31A2: zend_objects_store_del (zend_objects_API.c:205)
==5934==    by 0xF40F2D: _zval_dtor_func_for_ptr (zend_variables.c:116)
==5934==    by 0x10F25B2: zend_assign_to_variable (zend_execute.h:104)
==5934==    by 0x10F25B2: ZEND_ASSIGN_SPEC_CV_VAR_HANDLER (zend_vm_execute.h:33656)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934== 
==5934== Invalid read of size 8
==5934==    at 0xFEED8F: zend_std_get_method (zend_object_handlers.c:1068)
==5934==    by 0x10B3D71: ZEND_INIT_METHOD_CALL_SPEC_UNUSED_CONST_HANDLER (zend_vm_execute.h:23952)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934==  Address 0x11d52e70 is 16 bytes inside a block of size 40 free'd
==5934==    at 0x4C27C24: free (vg_replace_malloc.c:473)
==5934==    by 0xEECE24: _efree (zend_alloc.c:2222)
==5934==    by 0xFF31A2: zend_objects_store_del (zend_objects_API.c:205)
==5934==    by 0xF40F2D: _zval_dtor_func_for_ptr (zend_variables.c:116)
==5934==    by 0x10F25B2: zend_assign_to_variable (zend_execute.h:104)
==5934==    by 0x10F25B2: ZEND_ASSIGN_SPEC_CV_VAR_HANDLER (zend_vm_execute.h:33656)
==5934==    by 0x100E4E5: execute_ex (zend_vm_execute.h:394)
==5934==    by 0x100EFFE: zend_execute (zend_vm_execute.h:434)
==5934==    by 0xF46C5B: zend_execute_scripts (zend.c:1389)
==5934==    by 0xE48EBB: php_execute_script (main.c:2479)
==5934==    by 0x114D47A: do_cli (php_cli.c:967)
==5934==    by 0x114EEE9: main (php_cli.c:1334)
==5934==

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AllCommentsChangesGit/SVN commitsRelated reports
 [2015-05-24 20:11 UTC] nikic@php.net
-Assigned To: +Assigned To: dmitry
 [2015-05-24 20:11 UTC] nikic@php.net 
Assigning to Dmitry as this is likely related to the recent $this refcounting changes.
 [2015-05-25 15:29 UTC] dmitry@php.net 
Automatic comment on behalf of dmitry@zend.com
Revision: http://git.php.net/?p=php-src.git;a=commit;h=c436e25fd5519bb26fea2385d858823be7e3fca2
Log: Fixed bug #69700 (tests/lang/this_assignment.phpt memory errors)
 [2015-05-25 15:29 UTC] dmitry@php.net
-Status: Assigned +Status: Closed
 [2016-07-20 11:38 UTC] davey@php.net 
Automatic comment on behalf of dmitry@zend.com
Revision: http://git.php.net/?p=php-src.git;a=commit;h=c436e25fd5519bb26fea2385d858823be7e3fca2
Log: Fixed bug #69700 (tests/lang/this_assignment.phpt memory errors)
 
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