Add test for bug #72489

Author: nikic

NEWS

@@ -31,6 +31,10 @@ PHP                                                                        NEWS
   . Fixed bug #72992 (mbstring.internal_encoding doesn't inherit default_charset).
     (Yasuo)
 
+- Mysqlnd:
+  . Fixed bug #72489 (PHP Crashes When Modifying Array Containing MySQLi Result
+    Data). (Nikita)
+
 - Opcache:
   . Fixed bug #72982 (Memory leak in zend_accel_blacklist_update_regexp()
     function). (Laruence)

ext/mysqli/tests/bug72489.phpt

@@ -0,0 +1,65 @@
+--TEST--
+Bug #72489 (PHP Crashes When Modifying Array Containing MySQLi Result Data)
+--SKIPIF--
+<?php
+require_once('skipif.inc');
+require_once('skipifconnectfailure.inc');
+?>
+--FILE--
+<?php
+
+require_once("connect.inc");
+if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)) {
+    printf("[001] Connect failed, [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
+}
+
+if (!$link->query("DROP TABLE IF EXISTS bug72489")) {
+    printf("[002] [%d] %s\n", $link->errno, $link->error);
+}
+
+if (!$link->query("CREATE TABLE bug72489 (id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY, code VARCHAR(30) NOT NULL)")) {
+    printf("[003] [%d] %s\n", $link->errno, $link->error);
+}
+
+$seedSQL = "INSERT INTO bug72489 (`code`) VALUES ('code1'), ('code2'), ('code3');";
+if (!$link->query($seedSQL)) {
+    printf("[004] [%d] %s\n", $link->errno, $link->error);
+}
+
+$subRow = array();
+
+if (!$stmt = $link->prepare("SELECT id, code FROM bug72489")) {
+    printf("[005] [%d] %s\n", $link->errno, $link->error);
+}
+
+$stmt->attr_set(MYSQLI_STMT_ATTR_CURSOR_TYPE, MYSQLI_CURSOR_TYPE_READ_ONLY);
+if (!$stmt->bind_result($subRow['id'], $subRow['code']) || !$stmt->execute()) {
+    printf("[006] [%d] %s\n", $link->errno, $link->error);
+}
+
+while ($stmt->fetch()) {
+    $testArray = array('id' => 1);
+    $subRow['code'] = $testArray;
+}
+
+echo "Finished 1\n";
+
+$newArray = array();
+	
+echo "Finished 2\n";
+	
+?>
+--CLEAN--
+<?php
+require_once("connect.inc");
+if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
+    printf("[c001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
+
+if (!mysqli_query($link, "DROP TABLE IF EXISTS bug72489"))
+    printf("[c002] Cannot drop table, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+
+mysqli_close($link);
+?>
+--EXPECTF--
+Finished 1
+Finished 2