The padding bits in a Friend Poll message must be zero. See MshPRFv1.0.1 section 3.6.5.1. --- mesh/net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mesh/net.c b/mesh/net.c index 379a6e250..a8a527c2f 100644 --- a/mesh/net.c +++ b/mesh/net.c @@ -2059,7 +2059,7 @@ static bool ctl_received(struct mesh_net *net, uint32_t net_key_id, break; case NET_OP_FRND_POLL: - if (len != 1 || ttl) + if (len != 1 || ttl || pkt[0] > 1) return false; print_packet("Rx-NET_OP_FRND_POLL", pkt, len); -- 2.20.1