Bug #53632 [Csd->Asn]: PHP hangs on numeric value 2.2250738585072011e-308

From: Date: Thu, 06 Jan 2011 16:29:54 +0000
Subject: Bug #53632 [Csd->Asn]: PHP hangs on numeric value 2.2250738585072011e-308
References: 1  Groups: php.bugs 
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Edit report at http://bugs.php.net/bug.php?id=53632&edit=1

 ID:                 53632
 Updated by:         pajoye@php.net
 Reported by:        exploringbinary at gmail dot com
 Summary:            PHP hangs on numeric value 2.2250738585072011e-308
-Status:             Closed
+Status:             Assigned
 Type:               Bug
 Package:            Math related
 PHP Version:        5.3.4
-Assigned To:        scottmac
+Assigned To:        pajoye
 Block user comment: Y
 Private report:     N
 CVE-ID:             2010-4645

 New Comment:

Reopen, assign to me, VC6 5.2 does not work as it should everywhere.


Previous Comments:
------------------------------------------------------------------------
[2011-01-06 14:41:48] pajoye@php.net

ok, let block the comments here for now. Bug has been identified,
releases on 
their way. Thanks everyone for your feedback.

------------------------------------------------------------------------
[2011-01-06 14:38:53] boris at insert-coin dot org

My script:
# cat bug.php 
<?php 
$d = 2.2250738585072011e-308; 
?>

Result: NO HANG.
Php version:
# php -v
PHP 5.1.6 (cli) (built: Nov 29 2010 16:47:37) 
Copyright (c) 1997-2006 The PHP Group
Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies

OS: CentOS 5.4 32-bit
Kernel: 2.6.18-164.el5xen
CPU:
# cat /proc/cpuinfo 
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	: Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.084
cache size	: 2048 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu de tsc msr pae cx8 apic cmov pat clflush acpi mmx fxsr sse
sse2 ss ht nx constant_tsc up pni cid
bogomips	: 7505.37

------------------------------------------------------------------------
[2011-01-06 02:29:41] liaogz82 at singnet dot com dot sg

hang on mine. 32 bit

gangzheng@CDPL-PC-08:~$ php -v
PHP 5.3.3-1ubuntu9.1 with Suhosin-Patch (cli) (built: Oct 15 2010
14:17:04) 
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
gangzheng@CDPL-PC-08:~$ uname -a
Linux CDPL-PC-08 2.6.35-24-generic #42-Ubuntu SMP Thu Dec 2 01:41:57 UTC
2010 i686 GNU/Linux

------------------------------------------------------------------------
[2011-01-06 01:38:57] lukemoynihan at gmail dot com

As a workaround until I can patch php I have used the following pure php
solution:

http://stackoverflow.com/questions/4610651/any-problems-with-the-following-work-
around-for-php-bug-53632

------------------------------------------------------------------------
[2011-01-05 19:43:21] pajoye@php.net

@ cswarth at gmail dot com 

Thanks for all the feedbacks, we had enough info and details to fix the
issue and 
new releases will be done shortly.

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


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