Merge pull request #15599 from FRRouting/mergify/bp/stable/9.1/pr-15010

zebra: Fix crash on macvlan link down/up (backport #15010)
FRRouting · Mar 22, 2024 · c2736f5 · c2736f5
2 parents 2b259ac + d015570
commit c2736f5
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/zebra/zebra_vxlan.c b/zebra/zebra_vxlan.c
@@ -5116,6 +5116,15 @@ void zebra_vxlan_macvlan_up(struct interface *ifp)
 		return;
 
 	link_ifp = zif->link;
+	if (!link_ifp) {
+		if (IS_ZEBRA_DEBUG_VXLAN)
+			zlog_debug(
+				"macvlan parent link is not found. Parent index %d ifp %s",
+				zif->link_ifindex,
+				ifindex2ifname(zif->link_ifindex,
+					       ifp->vrf->vrf_id));
+		return;
+	}
 	link_zif = link_ifp->info;
 	assert(link_zif);