diff --git a/src/eapol_supp/eapol_supp_sm.c b/src/eapol_supp/eapol_supp_sm.c index 9b054fcd8..c4475e57e 100644 --- a/src/eapol_supp/eapol_supp_sm.c +++ b/src/eapol_supp/eapol_supp_sm.c @@ -1257,6 +1257,24 @@ int eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf, switch (hdr->type) { case IEEE802_1X_TYPE_EAP_PACKET: + if (sm->conf.workaround) { + /* + * An AP has been reported to send out EAP message with + * undocumented code 10 at some point near the + * completion of EAP authentication. This can result in + * issues with the unexpected EAP message triggering + * restart of EAPOL authentication. Avoid this by + * skipping the message without advancing the state + * machine. + */ + const struct eap_hdr *ehdr = + (const struct eap_hdr *) (hdr + 1); + if (plen >= sizeof(*ehdr) && ehdr->code == 10) { + wpa_printf(MSG_DEBUG, "EAPOL: Ignore EAP packet with unknown code 10"); + break; + } + } + if (sm->cached_pmk) { /* Trying to use PMKSA caching, but Authenticator did * not seem to have a matching entry. Need to restart