Bug #66302 [NEW]: SegFault on list() assignment with class variable multiple assignment

From: php at dynamicplus dot it Operating system: PHP version: 5.5.7 Package: Reproducible crash Bug Type: Bug Bug description:SegFault on list() assignment with class variable multiple assignment Description: ------------ php -n test.php Segmentation fault php -n -v PHP 5.5.7 (cli) (built: Dec 16 2013 15:06:06) Copyright (c) 1997-2013 The PHP Group Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies php -n -m [PHP Modules] bcmath calendar Core ctype curl date dom ereg exif fileinfo filter gd hash iconv json libxml mbstring mcrypt mhash mysql mysqli mysqlnd openssl pcntl pcre PDO pdo_mysql posix Reflection session SimpleXML sockets SPL standard tidy tokenizer xml xmlrpc xmlwriter xsl zip zlib [Zend Modules] Test script: --------------- <?php class SegFault { public $aClassVariable = NULL; public function __construct( ) { list( $aVariable ) = $this->aClassVariable = array( NULL ); } } new SegFault( ); Actual result: -------------- php -n test.php Segmentation fault This runs on PHP 5.3 From PHP >5.3 crashes. <?php class NoSegFault { public $aClassVariable = NULL; public function __construct( ) { $this->aClassVariable = array( NULL ); list( $aVariable ) = $this->aClassVariable; } } new NoSegFault( ); -- Edit bug report at https://bugs.php.net/bug.php?id=66302&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=66302&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=66302&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=66302&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=66302&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=66302&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=66302&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=66302&r=needscript Try newer version: https://bugs.php.net/fix.php?id=66302&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=66302&r=support Expected behavior: https://bugs.php.net/fix.php?id=66302&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=66302&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=66302&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=66302&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=66302&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=66302&r=dst IIS Stability: https://bugs.php.net/fix.php?id=66302&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=66302&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=66302&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=66302&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=66302&r=mysqlcfg