Bug #52539 [Asn->Csd]: Calling function from rebound Closure causes crash
Edit report at http://bugs.php.net/bug.php?id=52539&edit=1
ID: 52539
Updated by: felipe@php.net
Reported by: cataphract@php.net
Summary: Calling function from rebound Closure causes crash
-Status: Assigned
+Status: Closed
Type: Bug
Package: Scripting Engine problem
Operating System: Windows
PHP Version: trunk-SVN-2010-08-05 (SVN)
Assigned To: dmitry
Block user comment: N
New Comment:
This bug has been fixed in SVN.
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:
------------------------------------------------------------------------
[2010-08-08 17:06:16] felipe@php.net
Automatic comment from SVN on behalf of felipe
Revision: http://svn.php.net/viewvc/?view=revision&revision=301990
Log: - Fixed bug #52539 (Calling function from rebound Closure causes
crash)
------------------------------------------------------------------------
[2010-08-08 16:30:06] cataphract@php.net
The following patch has been added/updated:
Patch Name: patch_closures_rebind
Revision: 1281277806
URL:
http://bugs.php.net/patch-display.php?bug=52539&patch=patch_closures_rebind&revision=1281277806
------------------------------------------------------------------------
[2010-08-05 09:34:56] cataphract@php.net
Description:
------------
Calling a function in a rebound closure causes a crash.
This seems to be caused by dmitry's optimizations because this fixes the
issue:
#define CACHED_PTR(num) 0.
Test script:
---------------
class foo {
static function getClosure() {
return static function () {
//causes a crash (fbc not properly defined) in call after rebinding
echo get_called_class(), "\n";
};
}
}
class subFoo { }
$c = foo::getClosure();
$c(); //foo
$c = $c->bindTo(new subFoo());
$c(); //crash
Expected result:
----------------
No crash.
Actual result:
--------------
> php5ts_debug.dll!zend_do_fcall_common_helper_SPEC(_zend_execute_data *
execute_data=0x025d2298, void * * * tsrm_ls=0x02784bf8) Line 302 + 0x3
bytes C
php5ts_debug.dll!ZEND_DO_FCALL_SPEC_CONST_HANDLER(_zend_execute_data *
execute_data=0x025d2298, void * * * tsrm_ls=0x02784bf8) Line 1721 C
php5ts_debug.dll!execute(_zend_op_array * op_array=0x025f23c8, void *
* * tsrm_ls=0x02784bf8) Line 136 + 0x11 bytes C
php5ts_debug.dll!zend_execute_scripts(int type=8, void * * *
tsrm_ls=0x02784bf8, _zval_struct * * retval=0x00000000, int
file_count=3, ...) Line 1193 + 0x21 bytes C
php5ts_debug.dll!php_execute_script(_zend_file_handle *
primary_file=0x00aaf7b0, void * * * tsrm_ls=0x02784bf8) Line 2330 +
0x1b bytes C
php.exe!main(int argc=2, char * * argv=0x02784af8) Line 1252 + 0x13
bytes C
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/bug.php?id=52539&edit=1
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