#48559 [NEW]: Object comparison using unserialized DateTime object causes segfault

From: felipe@php.net Operating system: Linux PHP version: 5.2CVS-2009-06-15 (CVS) PHP Bug Type: Date/time related Bug description: Object comparison using unserialized DateTime object causes segfault Description: ------------ This issue just occurs on 5.2. See the code below. Reproduce code: --------------- <?php unserialize(serialize(new datetime())) == new datetime; Expected result: ---------------- No SIGSEGV. Actual result: -------------- Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb6e89b70 (LWP 24361)] 0x080bed7a in date_object_compare_date (d1=0xa7a5308, d2=0xa7a5288, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/ext/date/php_date.c:1581 1581 if (!o1->time->sse_uptodate) { (gdb) bt #0 0x080bed7a in date_object_compare_date (d1=0xa7a5308, d2=0xa7a5288, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/ext/date/php_date.c:1581 #1 0x084e3773 in compare_function (result=0xbfc93f10, op1=0xa7a5308, op2=0xa7a5288, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/Zend/zend_operators.c:1416 #2 0x084e404c in is_equal_function (result=0xbfc93f10, op1=0xa7a5308, op2=0xa7a5288, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/Zend/zend_operators.c:1547 #3 0x0853b9f1 in ZEND_IS_EQUAL_SPEC_VAR_VAR_HANDLER (execute_data=0xbfc93f44, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/Zend/zend_vm_execute.h:11516 #4 0x085126e4 in execute (op_array=0xa7a5a10, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/Zend/zend_vm_execute.h:92 #5 0x084da6aa in zend_eval_string (str=0xbfc957dc "unserialize(serialize(new datetime())) == new datetime;", retval_ptr=0x0, string_name=0x87fb6dc "Command line code", tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/Zend/zend_execute_API.c:1214 #6 0x084da8e2 in zend_eval_string_ex (str=0xbfc957dc "unserialize(serialize(new datetime())) == new datetime;", retval_ptr=0x0, string_name=0x87fb6dc "Command line code", handle_exceptions=1, tsrm_ls=0xa5802a8) at /home/felipe/dev/php5_2/Zend/zend_execute_API.c:1248 #7 0x08573484 in main (argc=3, argv=0xbfc94314) at /home/felipe/dev/php5_2/sapi/cli/php_cli.c:1201 -- Edit bug report at http://bugs.php.net/?id=48559&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=48559&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=48559&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=48559&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=48559&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=48559&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=48559&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=48559&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=48559&r=needscript Try newer version: http://bugs.php.net/fix.php?id=48559&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=48559&r=support Expected behavior: http://bugs.php.net/fix.php?id=48559&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=48559&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=48559&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=48559&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=48559&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=48559&r=dst IIS Stability: http://bugs.php.net/fix.php?id=48559&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=48559&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=48559&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=48559&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=48559&r=mysqlcfg