diff options
| -rw-r--r-- | nhrpd/nhrp_peer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nhrpd/nhrp_peer.c b/nhrpd/nhrp_peer.c index fa11980c18..97932795a3 100644 --- a/nhrpd/nhrp_peer.c +++ b/nhrpd/nhrp_peer.c @@ -1355,6 +1355,11 @@ void nhrp_peer_recv(struct nhrp_peer *p, struct zbuf *zb) } break; case NHRP_ROUTE_NBMA_NEXTHOP: + if (hdr->hop_count == 0) { + nhrp_packet_send_error(&pp, NHRP_ERROR_HOP_COUNT_EXCEEDED, 0); + info = "hop count exceeded"; + goto drop; + } nhrp_peer_forward(peer, &pp); break; case NHRP_ROUTE_BLACKHOLE: |