Bug #77322 [NEW]: PharData::addEmptyDir('/') Possible integer overflow

From: lars at larsegon dot se Operating system: Linux PHP version: 7.1.25 Package: PHAR related Bug Type: Bug Bug description:PharData::addEmptyDir('/') Possible integer overflow Description: ------------ When trying to add the empty directory '/' to a phar archive PHP throws a fatal error: PHP Fatal error: Possible integer overflow in memory allocation (1 * 18446744073709551615 + 1) in /path/to/my/script.php on line 91 The same action works in ZipArchive, i.e. this works: $zip = new \ZipArchive; $zip->open(tempnam(sys_get_temp_dir(), "phptest")); $zip->addEmptyDir("/"); Test script: --------------- $tar = new \PharData("/tmp/phptempfile"); $tar->addEmptyDir("/"); // Fatal error Possible Integer overflow -- Edit bug report at https://bugs.php.net/bug.php?id=77322&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77322&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77322&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77322&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77322&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77322&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77322&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77322&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77322&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77322&r=support Expected behavior: https://bugs.php.net/fix.php?id=77322&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77322&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77322&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77322&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77322&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77322&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77322&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77322&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77322&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77322&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77322&r=mysqlcfg