Bug #74102 [Com]: Dump print_r buffer on out of memory error
| From: | rmoisto at gmail dot com | Date: | Wed, 05 Jul 2017 06:45:20 +0000 |
| Subject: | Bug #74102 [Com]: Dump print_r buffer on out of memory error | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-209817@lists.php.net to get a copy of this message | ||
Edit report at https://bugs.php.net/bug.php?id=74102&edit=1
ID: 74102
Comment by: rmoisto at gmail dot com
Reported by: daniel at krol dot me
Summary: Dump print_r buffer on out of memory error
Status: Open
Type: Bug
Package: Output Control
Operating System: OSX, Ubuntu
PHP Version: 7.0.15
Block user comment: N
Private report: N
New Comment:
This is security issue as it exposes variables to the end user that were supposed to be private.
Previous Comments:
------------------------------------------------------------------------
[2017-02-15 13:36:53] daniel at krol dot me
Description:
------------
Tested on
7.0.15(Ubuntu),
OSX
PHP 7.0.6 (cli) (built: Apr 29 2016 04:21:39) ( NTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies
with Xdebug v2.4.0, Copyright (c) 2002-2016, by Derick Rethans
and
OSX
PHP 5.6.21 (cli) (built: Apr 29 2016 02:31:44)
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
with Xdebug v2.4.0, Copyright (c) 2002-2016, by Derick Rethans
all provide similiar result
Might be related to
https://bugs.php.net/bug.php?id=54114
Test script:
---------------
<?php
ini_set("memory_limit", "2m");
$v = array_fill(0,1024*5/2/4/2/8,
"0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789");
while (true) {
$v[] = print_r($v, true);
}
Expected result:
----------------
Fatal error: Allowed memory size of 2097152 bytes exhausted (tried to allocate 581632 bytes) in
/private/tmp/test.php on line 7
Call Stack:
0.0003 355824 1. {main}() /private/tmp/test.php:0
0.0012 948768 2. print_r() /private/tmp/test.php:7
Actual result:
--------------
...
...
[29] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[30] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[31] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[32] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[33] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[34] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[35] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[36] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[37] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[38] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
[39] =>
0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
)
)
)
)
)
)
[46] =>
Fatal error: Allowed memory size of 2097152 bytes exhausted (tried to allocate 581632 bytes) in
/private/tmp/test.php on line 7
Call Stack:
0.0003 355824 1. {main}() /private/tmp/test.php:0
0.0012 948768 2. print_r() /private/tmp/test.php:7
------------------------------------------------------------------------
--
Edit this bug report at https://bugs.php.net/bug.php?id=74102&edit=1