Bug #79247 [Asn->Csd]: Garbage collecting variant objects segfaults

Edit report at https://bugs.php.net/bug.php?id=79247&edit=1 ID: 79247 Updated by: cmb@php.net Reported by: cmb@php.net Summary: Garbage collecting variant objects segfaults -Status: Assigned +Status: Closed Type: Bug Package: COM related Operating System: Windows only PHP Version: 7.4Git-2020-02-08 (Git) Assigned To: cmb Block user comment: N Private report: N New Comment: Automatic comment on behalf of cmbecker69@gmx.de Revision: http://git.php.net/?p=php-src.git;a=commit;h=b4f61d99cf90fab429a639a51790591ce296606f Log: Fix #79247: Garbage collecting variant objects segfaults Previous Comments: ------------------------------------------------------------------------ [2020-02-08 09:50:47] cmb@php.net Description: ------------ As of PHP 7.4.0, running the cyclic garbage collector on variant objects segfaults. Test script: --------------- <?php $keep = new variant(null); var_dump(gc_collect_cycles()); ?> Expected result: ---------------- int(0) Actual result: -------------- php7_debug.dll!gc_mark_grey(_zend_refcounted * ref, _gc_stack * stack) Line 837 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_gc.c:837) php7_debug.dll!gc_mark_roots(_gc_stack * stack) Line 977 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_gc.c:977) php7_debug.dll!zend_gc_collect_cycles() Line 1452 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_gc.c:1452) php7_debug.dll!zif_gc_collect_cycles(_zend_execute_data * execute_data, _zval_struct * return_value) Line 375 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_builtin_functions.c:375) php7_debug.dll!ZEND_DO_ICALL_SPEC_RETVAL_USED_HANDLER(_zend_execute_data * execute_data) Line 1314 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_vm_execute.h:1314) php7_debug.dll!execute_ex(_zend_execute_data * ex) Line 53611 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_vm_execute.h:53611) php7_debug.dll!zend_execute(_zend_op_array * op_array, _zval_struct * return_value) Line 57913 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend_vm_execute.h:57913) php7_debug.dll!zend_execute_scripts(int type, _zval_struct * retval, int file_count, ...) Line 1665 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\Zend\zend.c:1665) php7_debug.dll!php_execute_script(_zend_file_handle * primary_file) Line 2617 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\main\main.c:2617) php.exe!do_cli(int argc, char * * argv) Line 961 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\sapi\cli\php_cli.c:961) php.exe!main(int argc, char * * argv) Line 1356 (c:\php-sdk\phpdev\vc15\x86\php-src-7.4\sapi\cli\php_cli.c:1356) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79247&edit=1