From: voxus at mail dot ru
Operating system: Gentoo Linux
PHP version: 5.0.5
PHP Bug Type: Reproducible crash
Bug description: segmentation fault on object serialize
Description:
------------
php is crashing when trying to serialize any given object.
problem is reproducible on x86_64 arch (known to be ok on
x86 with any sane CFLAGS) with php-5.0.5 (5.0.4 is ok),
for example - AMD Athlon(tm) 64 Processor 3200+.
recompilation with CFLAGS="-O0" or with debug symbols
"solves" the problem.
Reproduce code:
---------------
compile php with CFLAGS="-O2" (yes, nothing more here)
execute from cli:
class foo
{
public function bah()
{
var_dump(serialize($this));
}
}
$foo = new foo();
$foo->bah();
Expected result:
----------------
var_dump'ed serialized object, i.e. - just string
Actual result:
--------------
segmentation fault.
backtrace from php:
(gdb) bt
#0 0x00000037ecf6fb9b in memcpy () from /lib/libc.so.6
#1 0x000000000053c8ed in zif_var_export ()
#2 0x000000000053e419 in php_var_serialize ()
#3 0x000000000053e4d6 in zif_serialize ()
#4 0x00000000005c76cb in zend_do_fcall_common_helper ()
#5 0x00000000005c7941 in zend_do_fcall_handler ()
#6 0x00000000005bad54 in execute ()
#7 0x00000000005c721e in zend_do_fcall_common_helper ()
#8 0x00000000005bad54 in execute ()
#9 0x0000000000597806 in zend_execute_scripts ()
#10 0x000000000055e379 in php_execute_script ()
#11 0x00000000005d1779 in main ()
--
Edit bug report at http://bugs.php.net/?id=34435&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=34435&r=trysnapshot4
Try a CVS snapshot (php5.0):
http://bugs.php.net/fix.php?id=34435&r=trysnapshot50
Try a CVS snapshot (php5.1):
http://bugs.php.net/fix.php?id=34435&r=trysnapshot51
Fixed in CVS: http://bugs.php.net/fix.php?id=34435&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=34435&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=34435&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=34435&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=34435&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=34435&r=support
Expected behavior: http://bugs.php.net/fix.php?id=34435&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=34435&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=34435&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=34435&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=34435&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=34435&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=34435&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=34435&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=34435&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=34435&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=34435&r=mysqlcfg
