From ac3cc5211b4b3b5671afa2feefab15303270e25f Mon Sep 17 00:00:00 2001
From: Georg Ehrke <developer@georgehrke.com>
Date: Tue, 25 Apr 2017 16:42:41 +0200
Subject: [PATCH] updateProperties: catch exception when reading calendar data

Signed-off-by: Georg Ehrke <developer@georgehrke.com>
---
 apps/dav/lib/CalDAV/CalDavBackend.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php
index 40155341e51..80dc27c20d0 100644
--- a/apps/dav/lib/CalDAV/CalDavBackend.php
+++ b/apps/dav/lib/CalDAV/CalDavBackend.php
@@ -1970,7 +1970,12 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 */
 	public function updateProperties($calendarId, $objectUri, $calendarData) {
 		$objectId = $this->getCalendarObjectId($calendarId, $objectUri);
-		$vCalendar = $this->readCalendarData($calendarData);
+
+		try {
+			$vCalendar = $this->readCalendarData($calendarData);
+		} catch (\Exception $ex) {
+			return;
+		}
 
 		$this->purgeProperties($calendarId, $objectId);