From d1c6da2f660d2b09b2ae60c9f9ec57d74a142eb2 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Mon, 29 Jul 2024 16:00:27 +0200
Subject: [PATCH] cov: validate altdev list is not empty

---
 lib/cache/lvmcache.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/cache/lvmcache.c b/lib/cache/lvmcache.c
index e965903ef..b96ccd58a 100644
--- a/lib/cache/lvmcache.c
+++ b/lib/cache/lvmcache.c
@@ -1052,6 +1052,8 @@ next:
 			log_debug_cache("PV %s with duplicates unselected using %s.",
 					pvid, dev_name(devl->dev));
 			goto next;
+		} else if (dm_list_empty(&altdevs)) {
+			goto next;
 		} else {
 			devl = dm_list_item(dm_list_first(&altdevs), struct device_list);
 			dev1 = devl->dev;