ID: 39445 Updated by: [EMAIL PROTECTED] Reported By: daan at parse dot nl -Status: Assigned +Status: Closed Bug Type: Reproducible crash Operating System: Slackware 10.2 PHP Version: 5.2.0 Assigned To: dmitry New Comment:
Fixed in CVS HEAD and PHP_5_2. Previous Comments: ------------------------------------------------------------------------ [2006-11-09 17:57:02] [EMAIL PROTECTED] This patch seems to fix the problem: http://bb.prohost.org/patch/ze.txt But I am not 100% certain of its validity. ------------------------------------------------------------------------ [2006-11-09 10:54:47] daan at parse dot nl Description: ------------ Calling debug_backtrace() in an __toString() function produces a crash, but only when the __toString() function is triggered by a native php string function. Reproduce code: --------------- <?php class test { public function __toString() { debug_backtrace(); return 'lowercase'; } } $test = new test(); echo strtoupper($test); ?> Expected result: ---------------- An echoed "LOWERCASE" Actual result: -------------- Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 16384 (LWP 28346)] zend_objects_store_del_ref_by_handle (handle=1089634572) at /usr/src/php-5.2.0/Zend/zend_objects_API.c:187 187 if (EG(objects_store).object_buckets[handle].valid) { (gdb) bt #0 zend_objects_store_del_ref_by_handle (handle=1089634572) at /usr/src/php-5.2.0/Zend/zend_objects_API.c:187 #1 0x40656015 in zend_objects_store_del_ref (zobject=0x40f27e10) at /usr/src/php-5.2.0/Zend/zend_objects_API.c:165 #2 0x40636a52 in _convert_to_string (op=0x40f27e10) at /usr/src/php-5.2.0/Zend/zend_variables.h:35 #3 0x405c8b79 in zif_strtoupper (ht=1, return_value=0x40f27df8, return_value_ptr=0x0, this_ptr=0x0, return_value_used=0) at /usr/src/php-5.2.0/ext/standard/string.c:1132 #4 0x40658d64 in zend_do_fcall_common_helper_SPEC (execute_data=0xbfffb260) at /usr/src/php-5.2.0/Zend/zend_vm_execute.h:200 #5 0x40658499 in execute (op_array=0x40f24184) at /usr/src/php-5.2.0/Zend/zend_vm_execute.h:92 #6 0x4063ec0c in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/php-5.2.0/Zend/zend.c:1097 #7 0x40604e3a in php_execute_script (primary_file=0xbfffd5c0) at /usr/src/php-5.2.0/main/main.c:1758 #8 0x406bf8d2 in apache_php_module_main (r=0x80cb5bc, display_source_mode=0) at /usr/src/php-5.2.0/sapi/apache/sapi_apache.c:53 #9 0x406c02e6 in send_php (r=0x80cb5bc, display_source_mode=0, filename=0x0) at /usr/src/php-5.2.0/sapi/apache/mod_php5.c:660 #10 0x406c04f6 in send_parsed_php (r=0x80cb5bc) at /usr/src/php-5.2.0/sapi/apache/mod_php5.c:675 #11 0x08053ff7 in ap_invoke_handler () #12 0x08069039 in process_request_internal () #13 0x08069098 in ap_process_request () #14 0x080600ba in child_main () #15 0x08060262 in make_child () #16 0x080603c8 in startup_children () #17 0x08060a88 in standalone_main () #18 0x080612a6 in main () ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=39445&edit=1
