From 8d3a3c9a3e5e17c9088fb92a5fb35f2fc650aeb3 Mon Sep 17 00:00:00 2001
From: Tony Murray <murraytony@gmail.com>
Date: Wed, 6 Feb 2019 14:24:39 -0600
Subject: [PATCH] Handle unexpected os when loading yaml (#9790)

---
 includes/common.php | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/includes/common.php b/includes/common.php
index fc56d60f0f..4747f54856 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -1601,12 +1601,14 @@ function load_all_os($existing = false, $cached = true)
         }
 
         foreach ($os_list as $file) {
-            $tmp = Symfony\Component\Yaml\Yaml::parse(file_get_contents($file));
+            if (is_readable($file)) {
+                $tmp = Symfony\Component\Yaml\Yaml::parse(file_get_contents($file));
 
-            if (isset($config['os'][$tmp['os']])) {
-                $config['os'][$tmp['os']] = array_replace_recursive($tmp, $config['os'][$tmp['os']]);
-            } else {
-                $config['os'][$tmp['os']] = $tmp;
+                if (isset($config['os'][$tmp['os']])) {
+                    $config['os'][$tmp['os']] = array_replace_recursive($tmp, $config['os'][$tmp['os']]);
+                } else {
+                    $config['os'][$tmp['os']] = $tmp;
+                }
             }
         }
     }