ID:               27876
 Updated by:       [EMAIL PROTECTED]
 Reported By:      aashley at optimiser dot com
-Status:           Assigned
+Status:           Closed
 Bug Type:         Zend Engine 2 problem
 Operating System: Linux
 PHP Version:      5CVS-2004-04-05 (dev)
 Assigned To:      andi
 New Comment:

This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.




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

[2004-04-25 18:37:58] [EMAIL PROTECTED]

I just verified this with this simple script.

Derick

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

[2004-04-25 17:24:53] robinv at ecosse dot net

Simpler test case:

<?php
class TestClass
{
  var $bar;

  function TestClass()
  {  
    list($foo) = $this->bar = array(1);
    print $foo;
  }
}

$testObject = new TestClass;
?>

running dbd on core dump:
[...]
Core was generated by `/home/robin/bin/php -f ../bug.php'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/i686/libm.so.6...done.
Loaded symbols for /lib/i686/libm.so.6
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libz.so.1...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /usr/lib/libxml2.so.2...done.
Loaded symbols for /usr/lib/libxml2.so.2
Reading symbols from /lib/i686/libpthread.so.0...done.
Loaded symbols for /lib/i686/libpthread.so.0
Reading symbols from /lib/i686/libc.so.6...done.
Loaded symbols for /lib/i686/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
#0  zend_mm_alloc (heap=0x81ec480, size=220) at
/home/robin/src/php-5.0.0RC1/Zend/zend_mm.c:308
308                     if (p->size == true_size) {
(gdb) list
303                             }
304                     }
305             }
306
307             for (p = heap->free_buckets[0]; p; p =
p->next_free_block) {
308                     if (p->size == true_size) {
309                             best_fit = p;
310                             break;
311                     }
312                     if ((p->size > true_size) && (!best_fit ||
(best_fit->size > p->size))) {       /* better fit */
(gdb) print p
$1 = (zend_mm_free_block *) 0x33146c00
(gdb) print p->size
Cannot access memory at address 0x33146c00
(gdb) print best_fit
$2 = (zend_mm_free_block *) 0x40332cab
(gdb) print best_fit->size
$3 = 972800
(gdb) print true_size
$4 = 232

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

[2004-04-09 11:38:51] aashley at optimiser dot com

I havent had much luck creating a simpler example so far. I'll have
another try tomorrow... errr later today.

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

[2004-04-09 10:11:10] [EMAIL PROTECTED]

Please try and created a shorter reproducing script. I can't debug this
bug report otherwise.

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

[2004-04-06 03:05:15] [EMAIL PROTECTED]

Zend Engine 2 related, assinging to Andi.

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

The remainder of the comments for this report are too long. To view
the rest of the comments, please view the bug report online at
    http://bugs.php.net/27876

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Edit this bug report at http://bugs.php.net/?id=27876&edit=1

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