xref: /PHP-7.4/ext/mysqli/tests/bug70949.phpt (revision e3e67b72)
1--TEST--
2Bug #70949 (SQL Result Sets With NULL Can Cause Fatal Memory Errors)
3--SKIPIF--
4<?php
5require_once('skipif.inc');
6require_once('skipifconnectfailure.inc');
7require_once("connect.inc");
8if (!$IS_MYSQLND) {
9    die("skip mysqlnd only test");
10}
11?>
12--FILE--
13<?php
14require_once("connect.inc");
15$mysql = new my_mysqli($host, $user, $passwd, $db, $port, $socket);
16
17$mysql->query("DROP TABLE IF EXISTS bug70949");
18$mysql->query("CREATE TABLE bug70949(name varchar(255))");
19$mysql->query("INSERT INTO bug70949 VALUES ('dummy'),(NULL),('foo'),('bar')");
20
21$sql = "select * from bug70949";
22
23if ($stmt = $mysql->prepare($sql))
24{
25    $stmt->attr_set(MYSQLI_STMT_ATTR_CURSOR_TYPE, MYSQLI_CURSOR_TYPE_READ_ONLY);
26
27    if ($stmt->bind_result($name)) {
28        {
29            if ($stmt->execute())
30            {
31                while ($stmt->fetch())
32                {
33                    var_dump($name);
34                }
35            }
36        }
37
38        $stmt->free_result();
39        $stmt->close();
40    }
41
42
43    $mysql->close();
44}
45
46?>
47--CLEAN--
48<?php
49require_once("connect.inc");
50if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
51   printf("[c001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
52
53if (!mysqli_query($link, "DROP TABLE IF EXISTS bug70949"))
54    printf("[c002] Cannot drop table, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
55
56mysqli_close($link);
57?>
58--EXPECT--
59string(5) "dummy"
60NULL
61string(3) "foo"
62string(3) "bar"
63