Osmocom Libraries » libosmocore

Two FR binds were already configured and active inside an NSE. After that configuring another FR bind causes a segfault:

telnet localhost 4246
Trying ::1...
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Welcome to the OsmoGbProxy VTY interface

Copyright (C) 2010 Harald Welte and On-Waves
License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
OsmoGbProxy> enable
OsmoGbProxy# configure terminal
OsmoGbProxy(config)# ns
OsmoGbProxy(config-ns)# bind fr hdlc3
OsmoGbProxy(config-ns-bind)# fr hdlc3 frnet
OsmoGbProxy(config-ns-bind)# Connection closed by foreign host.

Jul 02 16:37:33 osmo-gbproxy[11564]: Fri Jul  2 16:37:33 2021 DLNS frame_relay.c:950 hdlc3: Creating frame relay link with role NETWORK
Jul 02 16:37:33 osmo-gbproxy[11564]: Fri Jul  2 16:37:33 2021 DLNS gprs_ns2_fr.c:742 BIND(hdlc3) hdlc3: has correct frame relay mode and lmi
Jul 02 16:37:33 osmo-gbproxy[11564]: Fri Jul  2 16:37:33 2021 DLNS gprs_ns2_fr.c:608 BIND(hdlc1) MTU changed from 1698 to 1700.
Jul 02 16:37:33 osmo-gbproxy[11564]:
Jul 02 16:37:33 systemd[1]: osmo-gbproxy.service: Main process exited, code=killed, status=11/SEGV
Jul 02 16:37:33 systemd[1]: osmo-gbproxy.service: Failed with result 'signal'.
Jul 02 16:37:35 systemd[1]: osmo-gbproxy.service: Service RestartSec=2s expired, scheduling restart.
Jul 02 16:37:35 systemd[1]: osmo-gbproxy.service: Scheduled restart job, restart counter is at 2.

I wasn't able to reproduce it with a dead NSE yet