From c021b9420f2d0d2465b564ebbda1f6b407aa7fe9 Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Wed, 9 Sep 2020 11:56:19 -0600
Subject: [PATCH] state: ensure rc is set to 1 if strtoul() fails

---
 libifupdown/state.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libifupdown/state.c b/libifupdown/state.c
index 344a417..6421aaa 100644
--- a/libifupdown/state.c
+++ b/libifupdown/state.c
@@ -32,8 +32,13 @@ lif_state_read(struct lif_dict *state, FILE *fd)
 		char *equals_p = strchr(linebuf, '=');
 
 		if (*refcount)
+		{
 			rc = strtoul(refcount, NULL, 10);
 
+			if (rc == 0 || rc == ULONG_MAX)
+				rc = 1;
+		}
+
 		if (equals_p == NULL)
 		{
 			lif_state_upsert(state, ifname, &(struct lif_interface){ .ifname = ifname, .refcount = rc });