#39562 [Opn->Fbk]: Segfault with Invalid XSLT

ID: 39562 Updated by: tony2001@php.net Reported By: hairmare at gmail dot com -Status: Open +Status: Feedback Bug Type: XSLT related Operating System: Linux PHP Version: 6CVS-2006-11-20 (snap) New Comment: Cannot reproduce. Make sure you've executed ./cvsclean before rebuilding PHP. Previous Comments: ------------------------------------------------------------------------ [2006-11-20 21:34:43] hairmare at gmail dot com Description: ------------ this code is based on a snippet from the manual (http://php.net/xsl-xsltprocessor-construct). Any small error in the xslt sheet easily makes php segfault. i'm even getting this on older versions. my configure; './configure' '--disable-cgi' '--enable-cli' '--with-mysql' '--with-openssl' '--with-pdo-mysql' '--enable -soap' '--with-xsl' '--enable-debug' '--with-zlib' '--with-dom' '--with-gdbm' '--with-curl' '--with-dom' '--with-gd' '--enable-calendar' '--with-bz2' '--with-mcrypt' '-- with-xmlrpc' '--with-gettext' '--with-ttf' '--enable-pcntl' '--enable-sysvsem' '--enable-sysvshm' '--enable-sysvmsg' '--enable-shmop' '--with-png' '--with-jpeg' '--with- tiff' '--with-freetype' Reproduce code: --------------- <?php $xsl = new DOMDocument; $xsl->loadXML(b'<?xml version="1.0"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"/> extra content here '); $proc = new XSLTProcessor; $proc->importStyleSheet($xsl); echo 'hello mr bug'; ?> Expected result: ---------------- --EXPECTREGEX-- Warning: DOMDocument::loadXML\(\): Extra content at the end of the document in Entity, line: [-1-9]* in .* on line [0-9]* Warning: XSLTProcessor::importStylesheet\(\): compilation error in .* on line [0-9]* Warning: XSLTProcessor::importStylesheet\(\): xsltParseStylesheetProcess : empty stylesheet in .* on line [0-9]* hello mr bug Actual result: -------------- #0 0x08332197 in zif_xsl_xsltprocessor_import_stylesheet (ht=1, return_value=0xb6b5d474, return_value_ptr=0x0, this_ptr=0xb6b5c1c8, return_value_used=0) at /usr/local/src/php-6/php6.0-200611201530/ext/xsl/xsltprocessor.c:388 #1 0x083b61c0 in zend_do_fcall_common_helper_SPEC (execute_data=0xbfef9240) at zend_vm_execute.h:209 #2 0x083b6bff in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER (execute_data=0xbfef9240) at zend_vm_execute.h:331 #3 0x083b5d88 in execute (op_array=0xb6b5c8d4) at zend_vm_execute.h:92 #4 0x0838e5f2 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/local/src/php-6/php6.0-200611201530/Zend/zend.c:1587 #5 0x08337e68 in php_execute_script (primary_file=0xbfefb690) at /usr/local/src/php-6/php6.0-200611201530/main/main.c:1933 #6 0x084005f0 in main (argc=2, argv=0xbfefb724) at /usr/local/src/php-6/php6.0-200611201530/sapi/cli/php_cli.c:1119 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=39562&edit=1