From: cyrrus at mail dot ru
Operating system: FreeBSD 5.3
PHP version: 5.2.12
PHP Bug Type: Reproducible crash
Bug description: Simple recursion results in bus error (core dumped) on approx
10k depth
Description:
------------
Configure:
./configure --disable-all --with-apxs2=/usr/local/apache2/bin/apxs
--with-mysql --with-zlib --with-zlib-dir=/src/zlib-1.2.1/ --with-libxml-dir
--enable-sockets --with-gd=/usr/local/ --with-pcre-regex
--with-png-dir=/src/libpng-1.2.8-config
--with-freetype-dir=/usr/local/include/freetype2/ --enable-gd-native-ttf
--with-ttf --disable-reflection --with-iconv --enable-session --enable-spl
--enable-libxml --enable-simplexml
Eaccelerator 0.9.5.3 is used.
#0 ZEND_RECV_SPEC_HANDLER (execute_data=0xbfb000d0) at
/src/php-5.2.12/Zend/zend_execute.c:276
#1 0x0818d105 in execute (op_array=0x8397600) at zend_vm_execute.h:92
#2 0x0818d351 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfb00210) at zend_vm_execute.h:234
#3 0x0818d105 in execute (op_array=0x8397600) at zend_vm_execute.h:92
#4 0x0818d351 in zend_do_fcall_common_helper_SPEC
(execute_data=0xbfb00350) at zend_vm_execute.h:234
...
...
#6486 0x08173731 in zend_execute_scripts (type=8, retval=0x0,
file_count=3) at /src/php-5.2.12/Zend/zend.c:1134
#6487 0x0813a7b1 in php_execute_script (primary_file=0xbfbfec64) at
/src/php-5.2.12/main/main.c:2036
#6488 0x081ef55d in main (argc=3, argv=0xbfbfed04) at
/src/php-5.2.12/sapi/cli/php_cli.c:1165
Reproduce code:
---------------
<?php
function MyRecurs( $a )
{
$a++;
if ( $a < 100000 ) return MyRecurs( $a );
else return 1;
}
echo "MyRecurs = " . MyRecurs( 0 );
?>
Expected result:
----------------
MyRecurs = 1
or
Fatal error: Allowed memory size of *** bytes exhausted (tried to allocate
*** bytes) in ***.php on line 5
Actual result:
--------------
Bus error (core dumped)
--
Edit bug report at http://bugs.php.net/?id=50863&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=50863&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=50863&r=trysnapshot53
Try a snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=50863&r=trysnapshot60
Fixed in SVN:
http://bugs.php.net/fix.php?id=50863&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=50863&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=50863&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=50863&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=50863&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=50863&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=50863&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=50863&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=50863&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=50863&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=50863&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=50863&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=50863&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=50863&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=50863&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=50863&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=50863&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=50863&r=mysqlcfg
