#48592 [NEW]: Missing environment variables in CGI SAPI crashes on startup

From: gwynne@php.net Operating system: Darwin9 (MacOS X 10.5) PHP version: 5.3CVS-2009-06-18 (CVS) PHP Bug Type: Reproducible crash Bug description: Missing environment variables in CGI SAPI crashes on startup Description: ------------ If certain environment variables are missing, with others present, when the CGI SAPI is called, it will crash early on with a NULL pointer dereference. Reproduce code: --------------- bash$ SERVER_NAME=anything SERVER_PORT=80 REDIRECT_STATUS=200 php-cgi Expected result: ---------------- <a message about no input file, or waiting for input on STDIN> Actual result: -------------- Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x00000000 0x90be0f30 in strlen () (gdb) bt #0 0x90be0f30 in strlen () #1 0x00323dd3 in php_fopen_primary_script (file_handle=0xbfffea6c, tsrm_ls=0xf01a80) at cvs/php-5.3/main/fopen_wrappers.c:454 #2 0x0049bcb2 in main (argc=1, argv=0xbfffeb58) at cvs/php-5.3/sapi/cgi/cgi_main.c:1999 -- Edit bug report at http://bugs.php.net/?id=48592&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=48592&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=48592&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=48592&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=48592&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=48592&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=48592&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=48592&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=48592&r=needscript Try newer version: http://bugs.php.net/fix.php?id=48592&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=48592&r=support Expected behavior: http://bugs.php.net/fix.php?id=48592&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=48592&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=48592&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=48592&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=48592&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=48592&r=dst IIS Stability: http://bugs.php.net/fix.php?id=48592&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=48592&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=48592&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=48592&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=48592&r=mysqlcfg