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Bug #31526 mysqli_stmt_bind_param with SELECT crashes Apache2
Submitted: 2005-01-13 06:48 UTC Modified: 2005-02-05 07:33 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: wyatt dot mike at gmail dot com Assigned: georg (profile)
Status: Not a bug Package: MySQLi related
PHP Version: 5.0.3 OS: Windows XP SP2
Private report: No CVE-ID: None
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From: wyatt dot mike at gmail dot com
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 [2005-01-13 06:48 UTC] wyatt dot mike at gmail dot com
Description:
------------
the tables contain two fields, each with 10000 rows where the names are just 10-digit numbers

when I use the mysqli_stmt_bind_param, I get the 'memory could not be "read"' error, when not used I get no error

Reproduce code:
---------------
<?php
$db = new mysqli("localhost","root","","test");
$tables = array('t_0','t_1','t_2','t_3','t_5','t_all');
foreach($tables AS $table){
	$stmt[$table] = $db->stmt_init();
	$stmt[$table]->prepare("SELECT id, name FROM " . $table . " WHERE name = ?");
	$stmt[$table]->bind_param('i',$name);
}
for($i = 0;$i < 10;$i++){
	$name = "";
	for($j = 0;$j < 10;$j++){
		$name .= rand(0,9);
	}

	foreach($tables AS $table){
		$stmt[$table]->execute();
	}
}
$db->close();
?>

Actual result:
--------------
'The instruction "0x00df82df" referenced memory at "0x0000000064". The memory could not be "read".'

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 [2005-02-04 15:05 UTC] georg@php.net
 
 [2005-02-04 16:05 UTC] georg@php.net
It's a bug in libmysql (cli_stmt_execute). I will check if 
fix for will go in upcoming 4.1.10 release - otherwise I 
will try to provide a workaround for mysqli. 
 [2005-02-05 07:33 UTC] georg@php.net
Mike, 
 
thank you for your bug report. It will be fixed in 
libmysql (see http://bugs.mysql.com/bug.php?id=8330) 
 
Changed status to bogus (not a PHP bug)! 
 
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