From: oliver at x10 dot pe Operating system: Xubuntu 12.10 64bits PHP version: master-Git-2013-06-30 (Git) Package: Class/Object related Bug Type: Bug Bug description:segfault when __toString() returns "$this"
Description: ------------ Hi, Casting $this as string inside __toString() magic function makes php crash. It seems it ran into an infinite loop. Tested on PHP 5.5 and 5.4.11, even 5.3.6 Test script: --------------- class base { function __toString() { return "$this"; } } echo new base(); Expected result: ---------------- Exception thrown, or an error message. Actual result: -------------- Violación de segmento (`core' generado) [Segmentation Fault ('core' dumped)] -- Edit bug report at https://bugs.php.net/bug.php?id=65168&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=65168&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=65168&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=65168&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=65168&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=65168&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=65168&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=65168&r=needscript Try newer version: https://bugs.php.net/fix.php?id=65168&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=65168&r=support Expected behavior: https://bugs.php.net/fix.php?id=65168&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=65168&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=65168&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=65168&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65168&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=65168&r=dst IIS Stability: https://bugs.php.net/fix.php?id=65168&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=65168&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=65168&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=65168&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=65168&r=mysqlcfg