wireguard: prevent segfault on non-adj packets

[vpp.git] / src / plugins / wireguard / wireguard_peer.h

diff --git a/src/plugins/wireguard/wireguard_peer.h b/src/plugins/wireguard/wireguard_peer.h
index 1af5799..f3d80fb 100644 (file)
--- a/src/plugins/wireguard/wireguard_peer.h
+++ b/src/plugins/wireguard/wireguard_peer.h
@@ -166,6 +166,8 @@ wg_peer_get (index_t peeri)
 static inline index_t
 wg_peer_get_by_adj_index (index_t ai)
 {
+  if (ai > vec_len (wg_peer_by_adj_index))
+    return INDEX_INVALID;
   return (wg_peer_by_adj_index[ai]);
 }