Bug #60634 [Opn->Ver]: Segmentation fault when trying to die() in SessionHandler::write()

Edit report at https://bugs.php.net/bug.php?id=60634&edit=1 ID: 60634 Updated by: arpad@php.net Reported by: bobwei9 at hotmail dot com Summary: Segmentation fault when trying to die() in SessionHandler::write() -Status: Open +Status: Verified Type: Bug Package: Reproducible crash Operating System: Mac OS X 10.7 PHP Version: trunk-SVN-2012-01-01 (SVN) -Assigned To: +Assigned To: arpad Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2012-01-01 19:32:18] bobwei9 at hotmail dot com Description: ------------ The apache or the CLI reports an segmentation fault while trying to die() or to exit() a script in the write method of a class which extends the SessionHandler class. Test script: --------------- <?php class session_handler extends SessionHandler { function close () {return true;} function destroy ($a) {return true;} function open ($a,$b) {return true;} function gc ($a) {return true;} function read ($a) {return "";} function write ($a,$b) {die();} } session_set_save_handler(new session_handler); session_start(); session_write_close(); # apache segfaults print "never appears?"; Actual result: -------------- Apache/cli segfaults Backtrace: #0 0x000000010261de30 in zval_delref_p [inlined] () at /Users/.../php-src-trunk-20120101/Zend/zend.h:82 #1 0x000000010261de30 in i_zval_ptr_dtor [inlined] () at /Users/.../php-src-trunk-20120101/Zend/zend_execute.h:82 #2 0x000000010261de30 in zend_vm_stack_clear_multiple [inlined] () at /Users/.../php-src-trunk-20120101/Zend/zend_execute.h:339 #3 0x000000010261de30 in zend_do_fcall_common_helper_SPEC (execute_data=0x109a170d8) at zend_execute.c:736 #4 0x000000010262720e in ZEND_DO_FCALL_SPEC_CONST_HANDLER (execute_data=0x109a170d8) at zend_vm_execute.h:2215 #5 0x000000010261aec2 in execute (op_array=0x109a51d98) at zend_vm_execute.h:410 #6 0x00000001025c731b in zend_execute_scripts (type=8, retval=0x0, file_count=3) at zend.c:1272 #7 0x0000000102509153 in php_execute_script (primary_file=0x7fff6198ab60) at main.c:2476 #8 0x000000010279d153 in do_cli (argc=2, argv=0x7fff6198ae18) at php_cli.c:983 #9 0x000000010279ee95 in main (argc=2, argv=0x7fff6198ae18) at php_cli.c:1356 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=60634&edit=1