Bug #73684 [NEW]: Can be segmentation fault

From: deepvavar at mail dot ru Operating system: All PHP version: Irrelevant Package: *General Issues Bug Type: Bug Bug description:Can be segmentation fault Description: ------------ Can be segmentation fault Test script: --------------- <?php class a { public function getNewB() { $b = new b(); $b->a = $this; return $b; } } class b { public $a = null; public $b = null; } class x { public static $a = null; public static $b = null; public static function foo() { self::$a = new a(); self::$b = self::$a->getNewB(); self::bar(self::$b); } public static function bar($b) { $b->b = self::$a->getNewB(); self::bar($b->b); } } x::foo(); Expected result: ---------------- Without segfault Actual result: -------------- ~$ php test.php Segmentation fault ~$ php -v PHP 5.6.22-0+deb8u1 (cli) (built: Jun 13 2016 07:55:54) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies ~$ cat /etc/debian_version 8.5 ------------------------------------------ Fatal error: Maximum function nesting level of '100' reached, aborting! Windows, php 5.4 ------------------------------------------ > php test.php fish: “php test.php” terminated by signal SIGSEGV (Address boundary error) > php -version PHP 5.6.28 (cli) (built: Nov 9 2016 07:56:15) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies ------------------------------------------ # php t.php Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 130968 bytes) in /t.php on line 29 # php -v PHP 5.6.28 (cli) (built: Dec 6 2016 22:12:29) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies With php 7.1: Fatal error: Allowed memory size ------------------------------------------ ~$ php test.php Segmentation fault ~$ php -v PHP 7.0.13-2 (cli) ( NTS ) Copyright (c) 1997-2016 The PHP Group Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies with Zend OPcache v7.0.13-2, Copyright (c) 1999-2016, by Zend Technologies ------------------------------------------ $ php test.php Segmentation fault $ php -v PHP 7.0.8-0ubuntu0.16.04.3 (cli) ( NTS ) Copyright (c) 1997-2016 The PHP Group Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies with Zend OPcache v7.0.8-0ubuntu0.16.04.3, Copyright (c) 1999-2016, by Zend Technologies -- Edit bug report at https://bugs.php.net/bug.php?id=73684&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73684&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73684&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73684&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73684&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73684&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73684&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73684&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73684&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73684&r=support Expected behavior: https://bugs.php.net/fix.php?id=73684&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73684&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73684&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73684&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73684&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73684&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73684&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73684&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73684&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73684&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73684&r=mysqlcfg