gdb -batch -n -ex 'set pagination off' -ex run -ex bt -ex 'thread apply all bt full' --args osmo-sip-connector -c ~/.osmocom/osmo-sip-connector.cfg
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
<0004> telnet_interface.c:104 telnet at 127.0.0.1 4256
<0001> mncc.c:879 Scheduling MNCC connect
su_source_port_create() returns 0x5555557bf4a0
sres: nameserver fe80::1%wlan0: invalid address
<0001> mncc.c:786 Reconnected to /tmp/bsc_mncc
<0001> mncc.c:699 Got hello message version 5

Program received signal SIGSEGV, Segmentation fault.
strlen () at ../sysdeps/x86_64/strlen.S:106
106	../sysdeps/x86_64/strlen.S: No such file or directory.
#0  strlen () at ../sysdeps/x86_64/strlen.S:106
#1  0x00007ffff79660e6 in url_xtra (url=url@entry=0x5555557c88a0) at url.c:1048
#2  0x00007ffff792281a in sip_request_create (home=home@entry=0x5555557c8290, method=method@entry=sip_method_invite, name=0x7ffff79874cf <sip_method_name_invite> "INVITE", name@entry=0x7ffff7984ae3 "INVITE", uri=uri@entry=0x5555557c88a0, version=version@entry=0x0) at sip_basic.c:225
#3  0x00007ffff78da026 in nta_msg_request_complete (msg=msg@entry=0x5555557c8290, leg=leg@entry=0x5555557c7de0, method=method@entry=sip_method_invite, method_name=method_name@entry=0x7ffff7984ae3 "INVITE", request_uri=0x5555557c88a0, request_uri@entry=0x0) at nta.c:3890
#4  0x00007ffff78fcc11 in nua_client_request_sendmsg (cr=cr@entry=0x5555557c7170) at nua_client.c:803
#5  0x00007ffff78fdc39 in nua_client_request_try (cr=0x5555557c7170) at nua_client.c:708
#6  0x00007ffff78fba23 in nua_client_init_request0 (cr=0x5555557c7170) at nua_client.c:605
#7  nua_client_init_request (cr=0x5555557c7170) at nua_client.c:442
#8  0x00007ffff78fc0fe in nua_client_create (nh=nh@entry=0x5555557c6d60, event=event@entry=31, methods=methods@entry=0x7ffff7bbdb40 <nua_invite_client_methods>, tags=tags@entry=0x5555557c73c0) at nua_client.c:199
#9  0x00007ffff7911971 in nua_stack_invite (nua=nua@entry=0x5555557c0800, nh=nh@entry=0x5555557c6d60, e=e@entry=nua_r_invite, tags=tags@entry=0x5555557c73c0) at nua_session.c:705
#10 0x00007ffff78f8a63 in nua_stack_signal (nua=0x5555557c0800, msg=<optimized out>, ee=0x5555557c7398) at nua_stack.c:582
#11 0x00007ffff79459a4 in su_base_port_execute_msgs (queue=0x0) at su_base_port.c:280
#12 0x00007ffff7945cd1 in su_base_port_getmsgs (self=self@entry=0x5555557bf4a0) at su_base_port.c:202
#13 0x00007ffff7bd6c95 in su_source_dispatch (gs=0x5555557bf440, callback=0x0, user_data=0x0) at su_source.c:459
#14 0x00007ffff7583f67 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff75841a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007ffff75844b2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x000055555555d19f in main (argc=3, argv=0x7fffffffe198) at main.c:164

Thread 1 (Thread 0x7ffff7fb5700 (LWP 3958)):
#0  strlen () at ../sysdeps/x86_64/strlen.S:106
No locals.
#1  0x00007ffff79660e6 in url_xtra (url=url@entry=0x5555557c88a0) at url.c:1048
        len_scheme = <optimized out>
        xtra = <optimized out>
#2  0x00007ffff792281a in sip_request_create (home=home@entry=0x5555557c8290, method=method@entry=sip_method_invite, name=0x7ffff79874cf <sip_method_name_invite> "INVITE", name@entry=0x7ffff7984ae3 "INVITE", uri=uri@entry=0x5555557c88a0, version=version@entry=0x0) at sip_basic.c:225
        xtra = <optimized out>
        rq = <optimized out>
        __PRETTY_FUNCTION__ = "sip_request_create"
#3  0x00007ffff78da026 in nta_msg_request_complete (msg=msg@entry=0x5555557c8290, leg=leg@entry=0x5555557c7de0, method=method@entry=sip_method_invite, method_name=method_name@entry=0x7ffff7984ae3 "INVITE", request_uri=0x5555557c88a0, request_uri@entry=0x0) at nta.c:3890
        rq = 0x0
        use_headers = 1
        home = 0x5555557c8290
        to = <optimized out>
        seq = <optimized out>
        reg_url = {{url_pad = "\000\000\000\000\000", url_type = 0 '\000', url_root = 0 '\000', url_scheme = 0x0, url_user = 0x0, url_password = 0x0, url_host = 0x0, url_port = 0x0, url_path = 0x0, url_params = 0x0, url_headers = 0x0, url_fragment = 0x0}}
        original = <optimized out>
#4  0x00007ffff78fcc11 in nua_client_request_sendmsg (cr=cr@entry=0x5555557c7170) at nua_client.c:803
        nh = 0x5555557c6d60
        ds = 0x5555557c6dc8
        method = sip_method_invite
        name = 0x7ffff7984ae3 "INVITE"
        url = 0x0
        leg = 0x5555557c7de0
        msg = 0x5555557c8290
        error = <optimized out>
        __PRETTY_FUNCTION__ = "nua_client_request_sendmsg"
#5  0x00007ffff78fdc39 in nua_client_request_try (cr=0x5555557c7170) at nua_client.c:708
        error = <optimized out>
#6  0x00007ffff78fba23 in nua_client_init_request0 (cr=0x5555557c7170) at nua_client.c:605
        nh = <optimized out>
        msg = 0x5555557c7500
        url = <optimized out>
        has_contact = <optimized out>
        nua = 0x5555557c0800
        ds = <optimized out>
        t = 0x0
        error = <optimized out>
#7  nua_client_init_request (cr=0x5555557c7170) at nua_client.c:442
No locals.
#8  0x00007ffff78fc0fe in nua_client_create (nh=nh@entry=0x5555557c6d60, event=event@entry=31, methods=methods@entry=0x7ffff7bbdb40 <nua_invite_client_methods>, tags=tags@entry=0x5555557c73c0) at nua_client.c:199
        home = 0x5555557c6d60
        cr = <optimized out>
        method = <optimized out>
        name = <optimized out>
#9  0x00007ffff7911971 in nua_stack_invite (nua=nua@entry=0x5555557c0800, nh=nh@entry=0x5555557c6d60, e=e@entry=nua_r_invite, tags=tags@entry=0x5555557c73c0) at nua_session.c:705
No locals.
#10 0x00007ffff78f8a63 in nua_stack_signal (nua=0x5555557c0800, msg=<optimized out>, ee=0x5555557c7398) at nua_stack.c:582
        e = 0x5555557c73a0
        nh = 0x5555557c6d60
        tags = 0x5555557c73c0
        event = nua_r_invite
        error = 0
#11 0x00007ffff79459a4 in su_base_port_execute_msgs (queue=0x0) at su_base_port.c:280
        root = <optimized out>
        f = <optimized out>
        msg = 0x0
        n = 0
#12 0x00007ffff7945cd1 in su_base_port_getmsgs (self=self@entry=0x5555557bf4a0) at su_base_port.c:202
        queue = <optimized out>
#13 0x00007ffff7bd6c95 in su_source_dispatch (gs=0x5555557bf440, callback=0x0, user_data=0x0) at su_source.c:459
        ss = 0x5555557bf440
        self = 0x5555557bf4a0
        __func__ = "su_source_dispatch"
#14 0x00007ffff7583f67 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007ffff75841a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x00007ffff75844b2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x000055555555d19f in main (argc=3, argv=0x7fffffffe198) at main.c:164
        rc = 0
        loop = 0x5555557c6780