#46380 [NEW]: incorrect reference counting in "=&new".

From: marek dot miska at netart dot pl Operating system: linux PHP version: 5.2.6 PHP Bug Type: Reproducible crash Bug description: incorrect reference counting in "=&new". Description: ------------ Incorrect reference counting in: ZEND_VM_HANDLER(39, ZEND_ASSIGN_REF, VAR|CV, VAR|CV) refcount is decremented twice. (In short: ZEND_RETURNS_FUNCTION for "new" is missing). It's fixed in 5.3.0alpha1 with ZEND_RETURNS_NEW. But it will be nice to have it also in stable version. Reproduce code: --------------- <? class A{ function A() { global $g; $g[0] = $g[1] = $this; } function __destruct() { } } $g = array(); for($i=0; $i<1000; ++$i) { $a =& new A; } ?> Expected result: ---------------- Exit without any errors. Actual result: -------------- Segmentation fault -- Edit bug report at http://bugs.php.net/?id=46380&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=46380&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=46380&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=46380&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=46380&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=46380&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=46380&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=46380&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=46380&r=needscript Try newer version: http://bugs.php.net/fix.php?id=46380&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=46380&r=support Expected behavior: http://bugs.php.net/fix.php?id=46380&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=46380&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=46380&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=46380&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=46380&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=46380&r=dst IIS Stability: http://bugs.php.net/fix.php?id=46380&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=46380&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=46380&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=46380&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=46380&r=mysqlcfg