zebra: don't deref vxlan-vni array

Null-check the vxlan-vni array info coming into zebra from the dataplane. Signed-off-by: Mark Stapp <[email protected]>
FRRouting · Apr 1, 2024 · 75ef259 · 75ef259
1 parent 3a9c16a
commit 75ef259
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/zebra/interface.c b/zebra/interface.c
@@ -1745,6 +1745,9 @@ interface_bridge_vxlan_vlan_vni_map_update(struct zebra_dplane_ctx *ctx,
 	vlanid_t vid;
 	int i;
 
+	if (vniarray == NULL)
+		return;
+
 	memset(&vni_start, 0, sizeof(vni_start));
 	memset(&vni_end, 0, sizeof(vni_end));