From aea0b6180f03f747b7195188559f32300ebda2f9 Mon Sep 17 00:00:00 2001
From: Joseph Tingiris <joseph.tingiris@gmail.com>
Date: Sun, 16 Feb 2020 20:33:39 -0500
Subject: [PATCH] Invalidate 'Wrong Type' snmp_walk() data (#11159)

* Invalidate 'Wrong Type' snmp_walk() data

* remove blank line, space before $data
---
 includes/snmp.inc.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/snmp.inc.php b/includes/snmp.inc.php
index d777a2f416..348728d953 100644
--- a/includes/snmp.inc.php
+++ b/includes/snmp.inc.php
@@ -386,7 +386,8 @@ function snmp_walk($device, $oid, $options = null, $mib = null, $mibdir = null)
     $data = str_replace('"', '', $data);
     $data = str_replace('End of MIB', '', $data);
 
-    if (is_string($data) && (preg_match('/No Such (Object|Instance)/i', $data))) {
+    if (is_string($data) && (preg_match('/No Such (Object|Instance)/i', $data) || preg_match('/Wrong Type(.*)should be/', $data))) {
+        d_echo("Invalid snmp_walk() data = " . print_r($data, true));
         $data = false;
     } else {
         if (ends_with($data, '(It is past the end of the MIB tree)')) {