Confirmed the crash on xenial: ubuntu@xenial-openvpn-server-1602813:/etc/openvpn$ sudo openvpn --config server.conf Mon Jul 24 16:49:50 2017 OpenVPN 2.3.10 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Jun 22 2017 Mon Jul 24 16:49:50 2017 library versions: OpenSSL 1.0.2g 1 Mar 2016, LZO 2.08 Mon Jul 24 16:49:50 2017 TUN/TAP device tun0 opened Mon Jul 24 16:49:50 2017 Note: Cannot set tx queue length on tun0: Operation not permitted (errno=1) Mon Jul 24 16:49:50 2017 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0 Mon Jul 24 16:49:50 2017 /sbin/ip link set dev tun0 up mtu 1500 Mon Jul 24 16:49:50 2017 /sbin/ip addr add dev tun0 local 10.8.0.1 peer 10.8.0.2 Mon Jul 24 16:49:50 2017 UDPv4 link local (bound): [undef] Mon Jul 24 16:49:50 2017 UDPv4 link remote: [undef] Mon Jul 24 16:49:50 2017 Initialization Sequence Completed openvpn: sasl.c:257: ldap_parse_sasl_bind_result: Assertion `res != NULL' failed. Aborted (core dumped)
$ dpkg-query -W openvpn-auth-ldap openvpn-auth-ldap 2.0.3-6.1 Upgrading to -proposed: $ sudo apt install openvpn-auth-ldap Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: openvpn-auth-ldap 1 upgraded, 0 newly installed, 0 to remove and 8 not upgraded. Need to get 36.8 kB of archives. After this operation, 25.6 kB disk space will be freed. Get:1 http://br.archive.ubuntu.com/ubuntu xenial-proposed/universe amd64 openvpn-auth-ldap amd64 2.0.3-6.1ubuntu0.16.04.1 [36.8 kB] Fetched 36.8 kB in 0s (465 kB/s) (Reading database ... 25809 files and directories currently installed.) Preparing to unpack .../openvpn-auth-ldap_2.0.3-6.1ubuntu0.16.04.1_amd64.deb ... Unpacking openvpn-auth-ldap (2.0.3-6.1ubuntu0.16.04.1) over (2.0.3-6.1) ... Setting up openvpn-auth-ldap (2.0.3-6.1ubuntu0.16.04.1) ... Running test again, this time we get just a timeout: $ sudo openvpn --config server.conf Mon Jul 24 16:51:28 2017 OpenVPN 2.3.10 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Jun 22 2017 Mon Jul 24 16:51:28 2017 library versions: OpenSSL 1.0.2g 1 Mar 2016, LZO 2.08 Mon Jul 24 16:51:28 2017 TUN/TAP device tun0 opened Mon Jul 24 16:51:28 2017 Note: Cannot set tx queue length on tun0: Operation not permitted (errno=1) Mon Jul 24 16:51:28 2017 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0 Mon Jul 24 16:51:28 2017 /sbin/ip link set dev tun0 up mtu 1500 Mon Jul 24 16:51:28 2017 /sbin/ip addr add dev tun0 local 10.8.0.1 peer 10.8.0.2 Mon Jul 24 16:51:28 2017 UDPv4 link local (bound): [undef] Mon Jul 24 16:51:28 2017 UDPv4 link remote: [undef] Mon Jul 24 16:51:28 2017 Initialization Sequence Completed LDAP bind failed: Timed out Unable to bind as uid=john,ou=People,dc=lxd LDAP connect failed. Mon Jul 24 16:51:40 2017 10.0.100.42:1194 PLUGIN_CALL: plugin function PLUGIN_AUTH_USER_PASS_VERIFY failed with status 1: /usr/lib/openvpn/openvpn-auth-ldap.so Mon Jul 24 16:51:40 2017 10.0.100.42:1194 TLS Auth Error: Auth Username/Password verification failed for peer Mon Jul 24 16:51:40 2017 10.0.100.42:1194 [client] Peer Connection Initiated with [AF_INET]10.0.100.42:1194 (...) Verification passed for xenial. ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1602813 Title: openvpn-auth-ldap causing segfault on network timeout To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openvpn-auth-ldap/+bug/1602813/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs