From:             [EMAIL PROTECTED]
Operating system: Linux/amd64
PHP version:      4.3.9
PHP Bug Type:     Reproducible crash
Bug description:  Crash when user error handler returns false

Description:
------------
If user error handler returns false on amd64, PHP crashes. This is due to
the fact that zend_error uses va_list twice, which does not work on
systems where va_arg modifies va_list. 

Reproduce code:
---------------
<?
                                                                          
                         
function my_error($errno, $errstr, $errfile, $errline)
{
        print "$errstr ($errno) in $errfile:$errline\n";
        return false;
}
                                                                          
                         
set_error_handler('my_error');
                                                                          
                         
$f = fopen("/tmp/blah", "r");
?>



-- 
Edit bug report at http://bugs.php.net/?id=30998&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=30998&r=trysnapshot4
Try a CVS snapshot (php5.0): 
http://bugs.php.net/fix.php?id=30998&r=trysnapshot50
Try a CVS snapshot (php5.1): 
http://bugs.php.net/fix.php?id=30998&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=30998&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=30998&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=30998&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=30998&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=30998&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=30998&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=30998&r=notwrong
Not enough info:             
http://bugs.php.net/fix.php?id=30998&r=notenoughinfo
Submitted twice:             
http://bugs.php.net/fix.php?id=30998&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=30998&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=30998&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=30998&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=30998&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=30998&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=30998&r=float
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=30998&r=mysqlcfg

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