From 94da3dc5c853e386a70ce45aeaafb1d61f55fe23 Mon Sep 17 00:00:00 2001
From: Serge Hallyn <serge@hallyn.com>
Date: Fri, 5 Aug 2016 17:16:48 -0500
Subject: [PATCH] also check upper for wrap

---
 libmisc/idmapping.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libmisc/idmapping.c b/libmisc/idmapping.c
index f105a412..625a07a0 100644
--- a/libmisc/idmapping.c
+++ b/libmisc/idmapping.c
@@ -89,7 +89,8 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
 			free(mappings);
 			return NULL;
 		}
-		if (mapping->lower + mapping->count < mapping->lower) {
+		if (mapping->lower + mapping->count < mapping->lower ||
+				mapping->upper + mapping->count < mapping->upper) {
 			free(mapping);
 			return NULL;
 		}