#39661 [NEW]: Crash when imploding null into sprintf

From: mark at temporal-solutions dot co dot uk Operating system: Windows XP SP2 PHP version: 5.2.0 PHP Bug Type: Reproducible crash Bug description: Crash when imploding null into sprintf Description: ------------ Imploding an array containing a NULL as an argument to sprintf causes php-cgi.exe crash with null pointer read under IIS5.1 w/ Windows XP SP2 Pro. Reproduce code: --------------- <? $keys = array(); $keys[] = NULL; sprintf('%s', implode(' ', $keys)); ?> Expected result: ---------------- Script execute and produce nothing. Actual result: -------------- CGI crash reading memory at 0x000000 -- Edit bug report at http://bugs.php.net/?id=39661&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39661&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39661&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39661&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=39661&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=39661&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=39661&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=39661&r=needscript Try newer version: http://bugs.php.net/fix.php?id=39661&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=39661&r=support Expected behavior: http://bugs.php.net/fix.php?id=39661&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=39661&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=39661&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=39661&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39661&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=39661&r=dst IIS Stability: http://bugs.php.net/fix.php?id=39661&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=39661&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=39661&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=39661&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=39661&r=mysqlcfg