Bug #75762 [NEW]: Segfault: 11 on recursive clone call

From: emilio dot pinn at gmail dot com Operating system: PHP version: 7.2.1 Package: Unknown/Other Function Bug Type: Bug Bug description:Segfault: 11 on recursive clone call Description: ------------ Hello, The PHP interpreter crashes with "Segmentation fault: 11" if the __clone() function is overriden to clone the object iself creating an infinite recursive call. Test script: --------------- <?php class Crash { public function __clone() { return clone $this; } } $crash_obj = new Crash(); clone $crash_obj; Expected result: ---------------- The interpreter should suicide gracefully when hits the stack size limit. Actual result: -------------- Segmentation fault: 11 -- Edit bug report at https://bugs.php.net/bug.php?id=75762&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75762&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75762&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75762&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75762&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75762&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75762&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75762&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75762&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75762&r=support Expected behavior: https://bugs.php.net/fix.php?id=75762&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75762&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75762&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75762&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75762&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75762&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75762&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75762&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75762&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75762&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75762&r=mysqlcfg