#19223 [Opn]: unserializing objects crashes apache

ID: 19223 Updated by: sniper@php.net Reported By: tysonlt@_S_P_A_M_webmedia.com.au Status: Open -Bug Type: Class/Object related +Bug Type: Zend Engine 2 problem Operating System: Redhat 7.2 PHP Version: 4CVS-2002-09-04 New Comment: reclassified as ZE2 problem since this does not happen with PHP 4.3.0-dev (with ZE1) Previous Comments: ------------------------------------------------------------------------ [2002-09-04 02:22:09] tysonlt@_S_P_A_M_webmedia.com.au Hi, I'm actually using 200209032100. this script will cause apache to segfault: <?php class TestClass { } $str = serialize(new TestClass()); echo $str; unserialize($str); ?> Comment out the unserialize() line and it works fine. Here is the backtrace: #0 0x401c42a8 in __clz_tab () from /lib/i686/libc.so.6 #1 0x40329b6a in _object_and_properties_init (arg=0x407844e4, class_type=0x811f7b4, properties=0x0) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/Zend/zend_API.c:603 #2 0x40329ba7 in _object_init_ex (arg=0x407844e4, class_type=0x811f7b4) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/Zend/zend_API.c:610 #3 0x402c84d5 in php_var_unserialize (rval=0xbfffdb74, p=0xbfffdb54, max=0x40784630 "", var_hash=0xbfffdb58) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/ext/standard/var_unserializer.c:192 #4 0x402c0fdd in zif_unserialize (ht=1, return_value=0x407844e4, this_ptr=0x0, return_value_used=0) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/ext/standard/var.c:667 #5 0x4033d231 in execute (op_array=0x40783fb4) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/Zend/zend_execute.c:2103 #6 0x40328817 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/Zend/zend.c:833 #7 0x4030319d in php_execute_script (primary_file=0xbffff5c0) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/main/main.c:1380 #8 0x40344102 in apache_php_module_main (r=0x8124d34, display_source_mode=0) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/sapi/apache/sapi_apache.c:55 #9 0x40344bf2 in send_php (r=0x8124d34, display_source_mode=0, filename=0x0) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/sapi/apache/mod_php4.c:550 #10 0x40344c56 in send_parsed_php (r=0x8124d34) at /usr/local/src/php-4.3.0-dev-zend2-alpha2/sapi/apache/mod_php4.c:565 #11 0x0806a87f in ap_invoke_handler () at eval.c:41 #12 0x0807f3e3 in process_request_internal () at eval.c:41 #13 0x0807f444 in ap_process_request () at eval.c:41 #14 0x0807644d in child_main () at eval.c:41 #15 0x080765f8 in make_child () at eval.c:41 #16 0x0807676c in startup_children () at eval.c:41 #17 0x08076de4 in standalone_main () at eval.c:41 #18 0x08077647 in main () at eval.c:41 #19 0x400b2627 in __libc_start_main (main=0x80772a0 <main>, argc=2, ubp_av=0xbffffa14, init=0x804e644 <_init>, fini=0x8094e00 <_fini>, rtld_fini=0x4000dcd4 <_dl_fini>, stack_end=0xbffffa0c) at ../sysdeps/generic/libc-start.c:129 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=19223&edit=1