On Wed, Nov 29, 2017 at 04:32:24PM +0100, Claudio Jeker wrote: > On Wed, Nov 29, 2017 at 02:43:45AM +0100, Jeremie Courreges-Anglas wrote: > > On Wed, Nov 29 2017, Claudio Jeker <cje...@diehard.n-r-g.com> wrote: > > > On Wed, Nov 29, 2017 at 01:59:06AM +0100, Claudio Jeker wrote: > > >> Seen in my log file: > > >> Nov 28 17:47:22 dramaqueen iked: vfprintf %s NULL in "%s: %s %s from %s > > >> to > > >> %s ms gid %u, %ld bytes%s" > > >> > > >> and > > >> > > >> Nov 29 01:02:39 dramaqueen iked[49967]: ikev2_msg_send: IKE_SA_INIT > > >> request from (null) to 62.48.30.5:500 msgid 0, 438 bytes > > >> > > >> The problem seems to be in print_host so try to not return NULL in there. > > >> Maybe we could return something else but this is a start IMO. > > > > > > beck@ prefers to just print unknown instead of the gai_strerror -- guess > > > that is more sensible. > > > > Why would getnameinfo(NI_NUMERICHOST) fail here? The code in > > ikev2_msg.c is: > > > > --8<-- > > log_info("%s: %s %s from %s to %s msgid %u, %ld bytes%s", __func__, > > print_map(exchange, ikev2_exchange_map), > > (flags & IKEV2_FLAG_RESPONSE) ? "response" : "request", > > print_host((struct sockaddr *)&msg->msg_local, NULL, 0), > > print_host((struct sockaddr *)&msg->msg_peer, NULL, 0), > > betoh32(hdr->ike_msgid), > > ibuf_length(buf), isnatt ? ", NAT-T" : ""); > > -->8-- > > > > Maybe msg->msg_local is corrupt? > > > > I assume so much. gai_strerror returns "system error" not very helpful.
I would like to find out where that comes from. What's your setup? I guess you can reproduce it easily?