Bug #49617 [Fbk->NoF]: Problem with references
Edit report at https://bugs.php.net/bug.php?id=49617&edit=1
ID: 49617
Updated by: php-bugs@lists.php.net
Reported by: mstf at mstf dot name dot tr
Summary: Problem with references
-Status: Feedback
+Status: No Feedback
Type: Bug
Package: Reproducible crash
Operating System: *
PHP Version: 5.3, 6 (2009-09-22)
New Comment:
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
Previous Comments:
------------------------------------------------------------------------
[2010-05-19 15:46:28] mike@php.net
Please try using this snapshot:
http://snaps.php.net/php5.3-latest.tar.gz
For Windows:
http://windows.php.net/snapshots/
------------------------------------------------------------------------
[2009-09-22 09:45:00] jani@php.net
# build/php_5_2/sapi/cli/php -n t.php
Fatal error: Cannot create references to/from string offsets nor overloaded objects in
/home/jani/src/t.php on line 8
# build/php_5_3/sapi/cli/php -n t.php
Segmentation fault
# build/php_6/sapi/cli/php -n t.php
Segmentation fault
------------------------------------------------------------------------
[2009-09-22 09:30:11] sjoerd@php.net
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x00470df9 in ZEND_FETCH_DIM_W_SPEC_CV_CONST_HANDLER (execute_data=0xb68040) at
zend_vm_execute.h:23568
23568 Z_DELREF_PP(EX_T(opline->result.u.var).var.ptr_ptr);
(gdb) bt
#0 0x00470df9 in ZEND_FETCH_DIM_W_SPEC_CV_CONST_HANDLER (execute_data=0xb68040) at
zend_vm_execute.h:23568
#1 0x003ec80e in execute (op_array=0xa109f0) at zend_vm_execute.h:104
#2 0x003bd57a in zend_execute_scripts (type=8, retval=0x0, file_count=3) at
/Users/sjoerd/Sources/php-src-5.3/Zend/zend.c:1188
#3 0x0034193d in php_execute_script (primary_file=0xbffff7fc) at
/Users/sjoerd/Sources/php-src-5.3/main/main.c:2213
#4 0x0049650f in main (argc=4, argv=0xbffff8e8) at
/Users/sjoerd/Sources/php-src-5.3/sapi/cli/php_cli.c:1190
(gdb)
------------------------------------------------------------------------
[2009-09-22 01:18:48] mstf at mstf dot name dot tr
Description:
------------
Pointers problem.
Reproduce code:
---------------
$a = array('a' => array('b' => 'c'));
$b = &$a;
$b = &$b['a'];
$b = &$b['b'];
$b = &$b['c'];
echo $b;
Expected result:
----------------
NULL
Actual result:
--------------
Apache "Send Error Report"
Apache error.log:
[Sat Aug 22 04:11:34 2009] [notice] Child 3408: Child process is running
[Sat Aug 22 04:11:34 2009] [notice] Child 3408: Acquired the start mutex.
[Sat Aug 22 04:11:34 2009] [notice] Child 3408: Starting 150 worker threads.
[Sat Aug 22 04:11:34 2009] [notice] Child 3408: Starting thread to listen on port 80.
[Sat Aug 22 04:11:34 2009] [notice] Child 3408: Starting thread to listen on port 443.
------------------------------------------------------------------------
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Edit this bug report at https://bugs.php.net/bug.php?id=49617&edit=1
Thread (6 messages)