From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 1 Aug 2022 18:32:55 +0000 (+0900)
Subject: network: fix possible NULL-pointer dereference
X-Git-Tag: v252-rc1~546^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fb5fae933132431d7ca5dd2865f42e1907e6fae;p=thirdparty%2Fsystemd.git

network: fix possible NULL-pointer dereference
---

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 269f69ec21c..c8df554cd62 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -74,10 +74,13 @@ bool link_ipv6_enabled(Link *link) {
         if (!socket_ipv6_is_supported())
                 return false;
 
-        if (link->network->bond)
+        if (link->iftype == ARPHRD_CAN)
                 return false;
 
-        if (link->iftype == ARPHRD_CAN)
+        if (!link->network)
+                return false;
+
+        if (link->network->bond)
                 return false;
 
         /* DHCPv6 client will not be started if no IPv6 link-local address is configured. */