#42666 [Fbk->Opn]: virtual() causing Apache to segfault.

ID: 42666 User updated by: per dot jessen at enidan dot com Reported By: per dot jessen at enidan dot com -Status: Feedback +Status: Open Bug Type: Apache2 related Operating System: Linux PHP Version: 5.2.4 New Comment: Yes, I already did back on 14 September. The tarball is the same: http://jessen.ch/files/php-problem-sep2007.tar.gz Previous Comments: ------------------------------------------------------------------------ [2007-10-01 12:15:42] jani@php.net You need to provide us a short but complete example script which can be used to reproduce this problem. ------------------------------------------------------------------------ [2007-09-17 11:48:37] rrichards@php.net updated summary. The xsl code just exposes the problem caused by the virtual call. ------------------------------------------------------------------------ [2007-09-16 16:50:31] per dot jessen at enidan dot com The reproduce script requires virtual() which isn't available in CLI. ------------------------------------------------------------------------ [2007-09-16 14:51:24] iliaa@php.net Does the crash happen in CLI? ------------------------------------------------------------------------ [2007-09-14 12:13:45] per dot jessen at enidan dot com I ran apache with gdb to produce this backtrace: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1214642496 (LWP 26256)] 0xb77fa792 in zend_get_executed_lineno () from /usr/lib/apache2/mod_php5.so (gdb) bt #0 0xb77fa792 in zend_get_executed_lineno () from /usr/lib/apache2/mod_php5.so #1 0xbfa1fcd8 in ?? () #2 0xb7809e05 in zend_error_noreturn () from /usr/lib/apache2/mod_php5.so #3 0xb7809e05 in zend_error_noreturn () from /usr/lib/apache2/mod_php5.so #4 0xb77c0fd4 in php_verror () from /usr/lib/apache2/mod_php5.so #5 0xb77c14df in php_error_docref0 () from /usr/lib/apache2/mod_php5.so #6 0xb76e6656 in php_libxml_structured_error_handler () from /usr/lib/apache2/mod_php5.so #7 0xb76e66bc in php_libxml_error_handler () from /usr/lib/apache2/mod_php5.so #8 0xb6bfbcac in xsltTransformError () from /usr/lib/libxslt.so.1 #9 0xb6bf87e4 in xsltParseStylesheetProcess () from /usr/lib/libxslt.so.1 #10 0xb6bf92cd in xsltParseStylesheetImportedDoc () from /usr/lib/libxslt.so.1 #11 0xb6bf939a in xsltParseStylesheetDoc () from /usr/lib/libxslt.so.1 #12 0xb6ca3918 in zif_xsl_xsltprocessor_import_stylesheet () from /usr/lib/php5/extensions/xsl.so #13 0xb783909b in execute () from /usr/lib/apache2/mod_php5.so #14 0xb7829a98 in execute () from /usr/lib/apache2/mod_php5.so #15 0xb78087e3 in zend_execute_scripts () from /usr/lib/apache2/mod_php5.so #16 0xb77c2570 in php_execute_script () from /usr/lib/apache2/mod_php5.so #17 0xb788ea4d in php_ap2_register_hook () from /usr/lib/apache2/mod_php5.so #18 0x800327ad in ap_run_handler () from /usr/sbin/httpd2-prefork #19 0x80036217 in ap_invoke_handler () from /usr/sbin/httpd2-prefork #20 0x8004247e in ap_process_request () from /usr/sbin/httpd2-prefork #21 0x8003f278 in ap_register_input_filter () from /usr/sbin/httpd2-prefork #22 0x8003a83d in ap_run_process_connection () from /usr/sbin/httpd2-prefork #23 0x80046c67 in ap_graceful_stop_signalled () from /usr/sbin/httpd2-prefork #24 0x80046f4a in ap_graceful_stop_signalled () from /usr/sbin/httpd2-prefork #25 0x80047e51 in ap_mpm_run () from /usr/sbin/httpd2-prefork #26 0x8001dd4b in main () from /usr/sbin/httpd2-prefork ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/42666 -- Edit this bug report at http://bugs.php.net/?id=42666&edit=1