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[2005-12-21 00:49 UTC] reweiner at yahoo dot com
Description:
------------
Compiling php 5.1.1 on a machine that has mysql 5.0.17 installed crashes when calling mysql_fetch_field
Reproduce code:
---------------
<?php
$conn = mysql_connect(....,....,....) or mysql_die();
mysql_select_db("teste", $conn);
$result = mysql_query('select * from teste');
/* get column metadata */
$i = 0;
while ($i < mysql_num_fields($result)) {
echo "Information for column $i:<br />\n";
$meta = mysql_fetch_field($result, $i);
$i++;
echo "Meta $meta, $result\n";
}
mysql_free_result($result);
mysql_close($conn);
?>
Expected result:
----------------
It should work
Actual result:
--------------
It crashes
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Last updated: Fri May 09 06:01:27 2025 UTC |
Backtrace: #0 0x0026b78b in strlen () from /lib/tls/libc.so.6 #1 0x01102c8b in add_property_string_ex (arg=0x860f7ec, key=0x1001 <Address 0x1001 out of bounds>, key_len=4, str=0x1001 <Address 0x1001 out of bounds>, duplicate=1) at /usr/src/redhat/BUILD/php-5.1.1/Zend/zend_API.c:1264 #2 0x005c5439 in zif_mysql_fetch_field (ht=4097, return_value=0x860f7ec, return_value_ptr=0x0, this_ptr=0x0, return_value_used=1) at /usr/src/redhat/BUILD/php-5.1.1/ext/mysql/php_mysql.c:2266 #3 0x01126f57 in zend_do_fcall_common_helper_SPEC (execute_data=0xbfffa5c0) at /usr/src/redhat/BUILD/php-5.1.1/Zend/zend_vm_execute.h:188 #4 0x01126758 in execute (op_array=0x860f61c) at /usr/src/redhat/BUILD/php-5.1.1/Zend/zend_vm_execute.h:88 #5 0x010ffbf9 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/redhat/BUILD/php-5.1.1/Zend/zend.c:1090 #6 0x010c2cfe in php_execute_script (primary_file=0xbfffc950) at /usr/src/redhat/BUILD/php-5.1.1/main/main.c:1704 #7 0x01189a3e in php_handler (r=0x86028a8) at /usr/src/redhat/BUILD/php-5.1.1/sapi/apache2handler/sapi_apache2.c:584 #8 0x08068625 in ap_run_handler () #9 0x08068c3f in ap_invoke_handler () #10 0x08065266 in ap_process_request () #11 0x080608dc in _start () #12 0x086028a8 in ?? () #13 0x00000004 in ?? () #14 0x086028a8 in ?? () #15 0x0807245c in ap_run_pre_connection () #16 0x08072315 in ap_run_process_connection () #17 0x08066b01 in ap_graceful_stop_signalled () #18 0x08066d1a in ap_graceful_stop_signalled () #19 0x08066d76 in ap_graceful_stop_signalled () #20 0x080675cd in ap_mpm_run () #21 0x0806dbcf in main () Table definition: CREATE TABLE teste ( teste varchar(20) default NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1; INSERT INTO teste VALUES ('test');