From: vr...@php.net Operating system: Windows PHP version: 5.2.9 PHP Bug Type: PCRE related Bug description: Apache crash with certain regular expression
Description: ------------ Apache 2.2.11 crashes with PHP 5.2.9-1 on the following code. The same script run from CLI executes without crash. Reproduce code: --------------- <?php $contents = '/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */'; // shortest possible example, omitting last line causes no crash $contents = preg_replace('@/\\*(?:.|[\\n\\r])*?\\*/@', '', $contents); ?> Expected result: ---------------- Empty string in $contents. Actual result: -------------- Apache crash. -- Edit bug report at http://bugs.php.net/?id=47689&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=47689&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=47689&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=47689&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=47689&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=47689&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=47689&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=47689&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=47689&r=needscript Try newer version: http://bugs.php.net/fix.php?id=47689&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=47689&r=support Expected behavior: http://bugs.php.net/fix.php?id=47689&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=47689&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=47689&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=47689&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=47689&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=47689&r=dst IIS Stability: http://bugs.php.net/fix.php?id=47689&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=47689&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=47689&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=47689&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=47689&r=mysqlcfg