Bug #67247 [NEW]: spl_fixedarray_resize integer overflow

From: stas Operating system: * PHP version: 5.4.28 Package: *General Issues Bug Type: Bug Bug description:spl_fixedarray_resize integer overflow Description: ------------ SplFixedArray does not check given parameters for integer overflows when resizing. Test script: --------------- $ar = new SplFixedArray(1); echo "size: ".$ar->getSize()."\n"; $ar->setSize(0x2000000000000001); // or 0x40000001 for 32 bit echo "size: ".$ar->getSize()."\n"; Expected result: ---------------- Integer overflow error Actual result: -------------- Can crash or produce valgrind error -- Edit bug report at https://bugs.php.net/bug.php?id=67247&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=67247&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=67247&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=67247&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=67247&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=67247&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=67247&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=67247&r=needscript Try newer version: https://bugs.php.net/fix.php?id=67247&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=67247&r=support Expected behavior: https://bugs.php.net/fix.php?id=67247&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=67247&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=67247&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=67247&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=67247&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=67247&r=dst IIS Stability: https://bugs.php.net/fix.php?id=67247&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=67247&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=67247&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=67247&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=67247&r=mysqlcfg