From 6e1e87d403e753b76d8b084ffd434ea98d5c7ef8 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Tue, 21 Nov 2017 15:33:57 +0100
Subject: [PATCH] smoothstreaming: Handle invalid XML

Nothing guarantees the manifest is valid and will return a root node
---
 ext/smoothstreaming/gstmssmanifest.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ext/smoothstreaming/gstmssmanifest.c b/ext/smoothstreaming/gstmssmanifest.c
index 2085b364de..c855cb3878 100644
--- a/ext/smoothstreaming/gstmssmanifest.c
+++ b/ext/smoothstreaming/gstmssmanifest.c
@@ -354,6 +354,11 @@ gst_mss_manifest_new (GstBuffer * data)
   manifest->xml = xmlReadMemory ((const gchar *) mapinfo.data,
       mapinfo.size, "manifest", NULL, 0);
   root = manifest->xmlrootnode = xmlDocGetRootElement (manifest->xml);
+  if (root == NULL) {
+    GST_WARNING ("No root node ! Invalid manifest");
+    gst_mss_manifest_free (manifest);
+    return NULL;
+  }
 
   live_str = (gchar *) xmlGetProp (root, (xmlChar *) "IsLive");
   if (live_str) {