From 59d0a9fe8670e0ff01e4a38f991f4a71cd118f99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Mon, 10 Jul 2017 15:26:47 +0200
Subject: [PATCH] Add sanity checking for max_count
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We use it later for division, so make sure it's good for it.

Fixes #13470

Signed-off-by: Michal Čihař <michal@cihar.com>
---
 libraries/Util.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libraries/Util.php b/libraries/Util.php
index d1be48b662..f9e4938641 100644
--- a/libraries/Util.php
+++ b/libraries/Util.php
@@ -2408,6 +2408,13 @@ class Util
         $classes = array()
     ) {
 
+        // This is often coming from $cfg['MaxTableList'] and
+        // people sometimes set it to empty string
+        $max_count = intval($max_count);
+        if ($max_count <= 0) {
+            $max_count = 250;
+        }
+
         $class = $frame == 'frame_navigation' ? ' class="ajax"' : '';
 
         $list_navigator_html = '';