Bug #70258 [NEW]: Segfault if do_resize fails to allocated memory
| From: | laruence@php.net | Date: | Thu, 13 Aug 2015 03:57:55 +0000 |
| Subject: | Bug #70258 [NEW]: Segfault if do_resize fails to allocated memory | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-195175@lists.php.net to get a copy of this message | ||
From: laruence
Operating system:
PHP version: 7.0.0beta3
Package: Scripting Engine problem
Bug Type: Bug
Bug description:Segfault if do_resize fails to allocated memory
Description:
------------
none
Test script:
---------------
<?php
class A {
public $arr;
public function core() {
$i = 0;
while (1) {
$this->arr[$i++ . "xxx"] = 1;
}
}
}
$a = new A;
$a->core();
Expected result:
----------------
non segfault
Actual result:
--------------
$ sapi/cli/php /tmp/1.php
PHP Fatal error: Allowed memory size of 134217728 bytes exhausted at
/home/huixinchen/opensource/trunk/Zend/zend_hash.c:804 (tried to
allocate 75497472 bytes) in /tmp/1.php on line 7
Fatal error: Allowed memory size of 134217728 bytes exhausted at
/home/huixinchen/opensource/trunk/Zend/zend_hash.c:804 (tried to
allocate 75497472 bytes) in /tmp/1.php on line 7
zend_mm_heap corrupted
Segmentation fault (core dumped)
--
Edit bug report at https://bugs.php.net/bug.php?id=70258&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70258&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70258&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70258&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=70258&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=70258&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=70258&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=70258&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=70258&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=70258&r=support
Expected behavior: https://bugs.php.net/fix.php?id=70258&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=70258&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=70258&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=70258&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70258&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=70258&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=70258&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=70258&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=70258&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=70258&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=70258&r=mysqlcfg