From: swalk at prp dot physik dot tu-darmstadt dot de
Operating system: Any
PHP version: 4.3.2
PHP Bug Type: Reproducible crash
Bug description: Net_SmartIRC: $x=new x; if(!$x) ... fails on PHP 4.1.2
Description:
------------
This little script creates a segfault on every version of php i came
across (4.3.2, 4.3.3rc1, 5.0.0b2). When you replace 0 with "0", it works.
Reproduce code:
---------------
<?php
$obj->foo = "bar"; // or anything else that creates an object
print $obj->{0};
?>
Expected result:
----------------
Notice: undefined property: 0... or something alike
Actual result:
--------------
(gdb) bt
#0 0x08146cf8 in zend_hash_find (ht=0x8211f64, arKey=0x0, nKeyLength=4,
pData=0xbfffca9c)
at /home/et/sources/php-4.3.2/Zend/zend_hash.c:875
#1 0x08151e70 in zend_fetch_property_address_inner (ht=0x8211f64,
op2=0x8219910, Ts=0xbfffcb40, type=0)
at /home/et/sources/php-4.3.2/Zend/zend_execute.c:199
#2 0x0814c6b9 in zend_fetch_property_address (result=0x82198f0,
op1=0x8215244, op2=0x8219910, Ts=0xbfffcb40, type=0)
at /home/et/sources/php-4.3.2/Zend/zend_execute.c:930
#3 0x08150e97 in execute (op_array=0x82156a4) at
/home/et/sources/php-4.3.2/Zend/zend_execute.c:1328
#4 0x081426f1 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
at /home/et/sources/php-4.3.2/Zend/zend.c:869
#5 0x0811d2fb in php_execute_script (primary_file=0xbffff070) at
/home/et/sources/php-4.3.2/main/main.c:1671
#6 0x08153932 in main (argc=4, argv=0xbffff0f4) at
/home/et/sources/php-4.3.2/sapi/cli/php_cli.c:806
#7 0x420158f7 in __libc_start_main () from /lib/i686/libc.so.6
--
Edit bug report at http://bugs.php.net/?id=24710&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=24710&r=trysnapshot4
Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=24710&r=trysnapshot5
Fixed in CVS: http://bugs.php.net/fix.php?id=24710&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=24710&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=24710&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=24710&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=24710&r=support
Expected behavior: http://bugs.php.net/fix.php?id=24710&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=24710&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=24710&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=24710&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=24710&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=24710&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=24710&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=24710&r=gnused
