Bug #48559 [Fbk->Asn]: Object comparison using unserialized DateTime object causes segfault

Edit report at http://bugs.php.net/bug.php?id=48559&edit=1 ID: 48559 Updated by: felipe@php.net Reported by: felipe@php.net Summary: Object comparison using unserialized DateTime object causes segfault -Status: Feedback +Status: Assigned Type: Bug Package: Date/time related Operating System: Linux PHP Version: 5.2CVS-2009-06-15 (CVS) Assigned To: derick New Comment: I can reproduce it making the object comparison. unserialize(serialize(new datetime())) == new datetime; [Switching to Thread 0xb7c3ead0 (LWP 11162)] 0x0808ff0e in date_object_compare_date (d1=0xa07cb1c, d2=0xa07ca9c, tsrm_ls=0x9f74050) at /home/felipe/dev/php5_2/ext/date/php_date.c:1592 1592 if (!o1->time->sse_uptodate) { (gdb) p o1->time $1 = (timelib_time *) 0x0 Previous Comments: ------------------------------------------------------------------------ [2010-03-07 20:20:24] derick@php.net Please try using this snapshot: http://snaps.php.net/php5.2-latest.tar.gz For Windows: http://windows.php.net/snapshots/ I can't reproduce this anymore; could you please check felipe? For me it shows: derick@kossu:~/dev/php/php-src/branches/PHP_5_2$ sapi/cli/php -r 'var_dump(unserialize(serialize(new DateTime())));' object(DateTime)#1 (0) { } ------------------------------------------------------------------------ [2010-02-19 08:08:36] thomas dot corbiere at free dot fr Same problem with PHP 5.2.12 on Windows Server 2003 R2 ------------------------------------------------------------------------ [2009-06-23 20:24:59] sjoerd-php at linuxonly dot nl Could reproduce on PHP 5.2.10 (cli), not on PHP 5.3.0RC4 (cli). ------------------------------------------------------------------------ [2009-06-15 13:51:45] felipe@php.net 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 this bug report at http://bugs.php.net/bug.php?id=48559&edit=1