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Bug #47644 json_decode() fails to decode large int inside an array
Submitted: 2009-03-13 13:25 UTC Modified: 2009-03-17 02:04 UTC
From: asari at users dot sourceforge dot net Assigned:
Status: Closed Package: JSON related
PHP Version: 5.*, 6CVS (2009-03-15) OS: * (64bit)
Private report: No CVE-ID:
 [2009-03-13 13:25 UTC] asari at users dot sourceforge dot net
Description:
------------
In some cases, json_decode() fails to decode large integer (over 10000000000000000) inside an array, e.g. "[10000000000000001]".

$ uname -a
Linux _HOSTNAME_.localdomain 2.6.18-53.1.21.el5 #1 SMP Tue May 20 09:35:07 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release -a
LSB Version:    :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: CentOS
Description:    CentOS release 5.2 (Final)
Release:   5.2
Codename:  Final

$ ./sapi/cli/php --version
PHP 5.3.0beta2-dev (cli) (built: Mar 13 2009 21:55:38)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2009 Zend Technologies

$ cat config.nice
#! /bin/sh
#
# Created by configure

'./configure' \
'--prefix=/tmp/php53' \
"$@"

Reproduce code:
---------------
$ for ((i=10000000000000000; i<10000000000000006; i++)); do echo $i; ./sapi/cli/php -r 'var_dump(json_decode("['$i']"));'; echo; done

Expected result:
----------------
10000000000000000
array(1) {
  [0]=>
  int(10000000000000000)
}

10000000000000001
array(1) {
  [0]=>
  int(10000000000000001)
}

10000000000000002
array(1) {
  [0]=>
  int(10000000000000002)
}

10000000000000003
array(1) {
  [0]=>
  int(10000000000000003)
}

10000000000000004
array(1) {
  [0]=>
  int(10000000000000004)
}

10000000000000005
array(1) {
  [0]=>
  int(10000000000000005)
}



Actual result:
--------------
10000000000000000
array(1) {
  [0]=>
  int(10000000000000000)
}

10000000000000001
array(1) {
  [0]=>
  int(10000000000000000)
}

10000000000000002
array(1) {
  [0]=>
  int(10000000000000002)
}

10000000000000003
array(1) {
  [0]=>
  int(10000000000000004)
}

10000000000000004
array(1) {
  [0]=>
  int(10000000000000004)
}

10000000000000005
array(1) {
  [0]=>
  int(10000000000000004)
}



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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2009-03-17 02:04 UTC] scottmac@php.net
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/.
 
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