From:             [EMAIL PROTECTED]
Operating system: Linux
PHP version:      4.3.0RC1
PHP Bug Type:     Reproducible crash
Bug description:  Segmentation fault

The following code segfaults.

class Class2 extends Class1
{
}

class Class1
{
        function Class2(){
                return new Class2;
        }
}

Class1::Class2();

I don't actually know if it's valid PHP code or not, but I don't think it
should segfault either way.

Conditions:
It only happens if Class2 extends Class1.
It only happens if Class2 does not have a constructor.

Confirmed with 4.2.2 and 4.3.0RC1 on Slackware 8.1, 2.4.19 and 4.2.3 on
FreeBSD 4.4-RELEASE.

Configure line: './configure' '--with-mysql' '--with-apxs=/usr/sbin/apxs'

I've never done a backtrace before, and I'm not sure I did it right, but
hopefully this is of some use to someone...  :)

(gdb) run
Starting program: /usr/local/bin/php index.html

Program received signal SIGSEGV, Segmentation fault.
0x0812cda5 in execute (op_array=0x81b6c34) at
/usr/src/php-4.3.0RC1/Zend/zend_execute.c:1002
1002            EX(fbc) = NULL;
(gdb) bt
#0  0x0812cda5 in execute (op_array=0x81b6c34) at
/usr/src/php-4.3.0RC1/Zend/zend_execute.c:1002
#1  0x081322ea in execute (op_array=0x81b6c34) at
/usr/src/php-4.3.0RC1/Zend/zend_execute.c:1639
#2  0x081322ea in execute (op_array=0x81b6c34) at
/usr/src/php-4.3.0RC1/Zend/zend_execute.c:1639
#3  0x081322ea in execute (op_array=0x81b6c34) at
/usr/src/php-4.3.0RC1/Zend/zend_execute.c:1639
#4  0x081322ea in execute (op_array=0x81b6c34) at
/usr/src/php-4.3.0RC1/Zend/zend_execute.c:1639

-- 
Edit bug report at http://bugs.php.net/?id=20567&edit=1
-- 
Try a CVS snapshot:         http://bugs.php.net/fix.php?id=20567&r=trysnapshot
Fixed in CVS:               http://bugs.php.net/fix.php?id=20567&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=20567&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=20567&r=needtrace
Try newer version:          http://bugs.php.net/fix.php?id=20567&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=20567&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=20567&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=20567&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=20567&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=20567&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20567&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=20567&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=20567&r=isapi

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