From b76e6be441feba2e40f54387d3c84ba7c06bf1af Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Fri, 24 Aug 2018 16:20:07 +0200
Subject: [PATCH] disallow negative mtime in dav search

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 apps/dav/lib/Files/FileSearchBackend.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/dav/lib/Files/FileSearchBackend.php b/apps/dav/lib/Files/FileSearchBackend.php
index 5b3c18c9720..cac6e8ac52b 100644
--- a/apps/dav/lib/Files/FileSearchBackend.php
+++ b/apps/dav/lib/Files/FileSearchBackend.php
@@ -352,7 +352,7 @@ class FileSearchBackend implements ISearchBackend {
 				return 0 + $value;
 			case SearchPropertyDefinition::DATATYPE_DATETIME:
 				if (is_numeric($value)) {
-					return 0 + $value;
+					return max(0, 0 + $value);
 				}
 				$date = \DateTime::createFromFormat(\DateTime::ATOM, $value);
 				return ($date instanceof \DateTime) ? $date->getTimestamp() : 0;
-- 
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