Bug #71990 [NEW]: ArrayObject memory leak

From: littlexiang521 at gmail dot com Operating system: CentOS / OSX PHP version: 5.5.34 Package: SPL related Bug Type: Bug Bug description:ArrayObject memory leak Description: ------------ if some class extends ArrayObject, in some circular reference conditions gc failed to recycle it. see codes below, if class B is a stdClass everything works fine Test script: --------------- https://0bin.net/paste/CvMSmhUeaKgaE1iU#eQLFPuTHJ56KeveFKaPWoTetXtq+qgeWw+uGDjVbhiU Expected result: ---------------- memory usage keeps low 9175040 9175040 9175040 9175040 9175040 9175040 9175040 9175040 9175040 9175040 9175040 9175040 Actual result: -------------- OOM... 121896960 122945536 124256256 125304832 126615552 127664128 128974848 130285568 131334144 132644864 133693440 Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 32 bytes) in /home/data/songxiang/haojing/htdocs/pages/test_mem.php on line 40 -- Edit bug report at https://bugs.php.net/bug.php?id=71990&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71990&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71990&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71990&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71990&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71990&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71990&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71990&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71990&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71990&r=support Expected behavior: https://bugs.php.net/fix.php?id=71990&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71990&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71990&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71990&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71990&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71990&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71990&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71990&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71990&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71990&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71990&r=mysqlcfg