ID:               39749
 Updated by:       [EMAIL PROTECTED]
 Reported By:      steve-php-dev at spamwiz dot com
-Status:           Open
+Status:           Feedback
 Bug Type:         Reproducible crash
 Operating System: CentOS 3
 PHP Version:      5.2.0


Previous Comments:
------------------------------------------------------------------------

[2006-12-05 22:41:22] steve-php-dev at spamwiz dot com

The following produces a segfault:

<?

function function_call($arg1, $arg2, $arg3) {}

$arr1 = array(1, 2, 3);
$arr2 = array(4, 5, 6);
$arr3 = array(7, 8, 9);

$arr = function_call($arr1, $arr2, $arr3);

echo "done";

?>

If you echo something and exit inside the function, it does not
segfault.

------------------------------------------------------------------------

[2006-12-05 22:00:56] [EMAIL PROTECTED]

Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.

What is the difference between these two servers?

------------------------------------------------------------------------

[2006-12-05 21:47:35] steve-php-dev at spamwiz dot com

Description:
------------
If more than two arrays are passed to array_merge(), I get a segfault. 
This happens on one server, but not another.  Here is the configure
command for the one that has the problem, followed by the configure for
the one that does not have the problem:

BAD SERVER
'./configure' '--with-mysql=/usr' '--with-mysqli=/usr/bin/mysql_config'
'--with-zlib' '--enable-soap' '--enable-mbstring' '--with-openssl'
'--with-config-file-path=/etc/php'
'--with-config-file-scan-dir=/etc/php/apache.d'
'--with-apache=../apache_1.3.37' '--enable-track-vars' '--without-pear'
'--disable-cli' '--with-imap' '--with-imap-ssl' '--with-ldap'
'--with-kerberos' '--with-gmp' '--without-spl' '--without-sqlite'
'--without-pdo' '--enable-gd-native-ttf' '--with-gd' '--with-png-dir'
'--with-freetype-dir' '--with-mssql'


GOOD SERVER
'./configure' '--with-mysql=/usr' '--with-mysqli=/usr/bin/mysql_config'
'--enable-soap' '--with-zlib' '--enable-mbstring' '--with-openssl'
'--with-config-file-path=/etc/php'
'--with-config-file-scan-dir=/etc/php/apache.d'
'--with-apache=../apache_1.3.37' '--enable-track-vars' '--without-pear'
'--disable-cli' '--with-gmp' '--without-spl' '--without-sqlite'
'--without-pdo'

Reproduce code:
---------------
<?

$arr1 = array(1, 2, 3);
$arr2 = array(4, 5, 6);
$arr3 = array(7, 8, 9);

$arr = array_merge($arr1, $arr2, $arr3);

header("Content-Type: text/plain");
print_r($arr);

?>

Expected result:
----------------
Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
    [5] => 6
    [6] => 7
    [7] => 8
    [8] => 9
)


Actual result:
--------------
segfault


------------------------------------------------------------------------


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