Description:
------------
When i try to browse mysql table structure in phpmyadmin
it crash.
php crash into Zend/zend_API.c:add_property_string_ex
but incorrect parametrs coming from mysql module.
mysql compilled as shared module

Actual result:
--------------
#0  0x401cfe27 in strlen () from /lib/libc.so.6
#1  0x404757b6 in add_property_string_ex (arg=0x848a6ac, key=0x40858409 "def",
    key_len=4, str=0x9 <Address 0x9 out of bounds>, duplicate=1)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend_API.c:980
#2  0x40856b1a in zif_mysql_fetch_field (ht=1, return_value=0x848a6ac,
    this_ptr=0x0, return_value_used=1)
    at /usr/src/redhat/BUILD/php-4.3.4/ext/mysql/php_mysql.c:2163
#3  0x40488463 in execute (op_array=0x8357b78)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend_execute.c:1616
#4  0x4048863f in execute (op_array=0x82bdd5c)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend_execute.c:1660
#5  0x4047308c in zend_execute_scripts (type=8, retval=0x0, file_count=3)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend.c:884
#6  0x40445871 in php_execute_script (primary_file=0xbffff470)
    at /usr/src/redhat/BUILD/php-4.3.4/main/main.c:1729
#7  0x4049043e in apache_php_module_main (r=0x8139e5c, display_source_mode=0)
    at /usr/src/redhat/BUILD/php-4.3.4/sapi/apache/sapi_apache.c:54
#8  0x40491173 in send_php (r=0x8139e5c, display_source_mode=0, filename=0x0)
    at /usr/src/redhat/BUILD/php-4.3.4/sapi/apache/mod_php4.c:620
#9  0x404911d3 in send_parsed_php (r=0x8139e5c)
    at /usr/src/redhat/BUILD/php-4.3.4/sapi/apache/mod_php4.c:635
#10 0x0805ce63 in ap_invoke_handler ()
#11 0x08073ea7 in process_request_internal ()
#12 0x08073f08 in ap_process_request ()
#13 0x080695c1 in child_main ()
#14 0x08069790 in make_child ()
#15 0x08069904 in startup_children ()
#16 0x08069ff4 in standalone_main ()
#17 0x0806a873 in main ()
#18 0x4016d1c4 in __libc_start_main () from /lib/libc.so.6

and other backtrace
Breakpoint 2, add_property_string_ex (arg=0x848a6bc, key=0x40894a53 "def",
    key_len=4, str=0xb <Address 0xb out of bounds>, duplicate=1)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend_API.c:977
977             MAKE_STD_ZVAL(tmp);
(gdb) bt
#0  add_property_string_ex (arg=0x848a6bc, key=0x40894a53 "def", key_len=4,
    str=0xb <Address 0xb out of bounds>, duplicate=1)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend_API.c:977
#1  0x40892f2c in zif_mysql_fetch_field (ht=1, return_value=0x848a6bc,
    this_ptr=0x0, return_value_used=1)
    at /usr/src/redhat/BUILD/php-4.3.4/ext/mysql/php_mysql.c:2163
#2  0x404bf51f in execute (op_array=0x8357b78)
    at /usr/src/redhat/BUILD/php-4.3.4/Zend/zend_execute.c:1616
[skipp]
(gdb) return
Make add_property_string_ex return now? (y or n) y

#0  0x40892f2c in zif_mysql_fetch_field (ht=1, return_value=0x848a6bc,
    this_ptr=0x0, return_value_used=1)
    at /usr/src/redhat/BUILD/php-4.3.4/ext/mysql/php_mysql.c:2163
2163            add_property_string(return_value, "def",(mysql_field->def?mysql_field->def:empty_string), 1);

(gdb) print mysql_field[0]
$2 = {name = 0x8451750 "idp", table = 0x8451748 "bufer", org_table = 0x0,
  db = 0x3 <Address 0x3 out of bounds>, def = 0xb <Address 0xb out of bounds>,
  length = 7, max_length = 49667, flags = 0, decimals = 138745696,
  type = 138745688}
(gdb) cont