Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fd67caee700 (LWP 3770)]
pjsip_hdr_print_on (hdr_ptr=0x0, buf=0x7fd67caed740 "\"Test User\" <sip:6001@asterisk12.vm.example.com>", len=1023) at ../src/pjsip/sip_msg.c:581
581         return (*hdr->vptr->print_on)(hdr_ptr, buf, len);
(gdb) bt full
#0  pjsip_hdr_print_on (hdr_ptr=0x0, buf=0x7fd67caed740 "\"Test User\" <sip:6001@asterisk12.vm.example.com>", len=1023) at ../src/pjsip/sip_msg.c:581
        hdr = 0x0
#1  0x00007fd63e5ae1e8 in rx_data_to_ast_msg (rdata=rdata@entry=0x7fd658004bc8, msg=msg@entry=0x7fd6700028c8) at res_pjsip_messaging.c:435
        size = <optimized out>
        buf = "\"Test User\" <sip:6001@asterisk12.vm.example.com>\000W\366Q\000\000\000\000\000\020\330\001\000\000\000\000\000\220$\231\001\000\000\000\000U\245j\000\000\000\000\000\060\247j\000\000\000\000\000U\245j\000\327\002\000\000\364\237j\000\000\000\000\000\250,\000p\322\002\000\000\310$\231\001\000\000\000\000\060خ|\326\177\000\000\202qE\000\000\000\000\000\060خ|\326\177\000\000U\245j\000\000\000\000\000\002\000\000\000\327\002\000\000\333\026[\000\000\000\000\000\364\237j\000\000\000\000\000\060\250\227\001\000\000\000\000\060خ|\326\177\000\000W\366Q"...
        name_addr = <optimized out>
        field = <optimized out>
        endpt = 0x164bb40
#2  0x00007fd63e5ae42a in module_on_rx_request (rdata=0x7fd658004bc8) at res_pjsip_messaging.c:616
        code = PJSIP_SC_OK
        msg = 0x7fd6700028c8
        rdata = 0x7fd658004bc8
#3  0x00007fd67c10a177 in pjsip_endpt_process_rx_data (endpt=0x15eecb8, rdata=rdata@entry=0x7fd658004bc8, p=p@entry=0x7fd65d86ac20 <param.21314>, p_handled=p_handled@entry=0x7fd67caedc2c) at ../src/pjsip/sip_endpoint.c:885
        msg = 0x7fd658005ec0
        def_prm = {start_prio = 2091834416, start_mod = 0x1605668, idx_after_start = 2091834432, silent = 32726}
        mod = 0x7fd63e7b0300 <messaging_module>
        handled = 0
        i = <optimized out>
        status = <optimized out>
        __PRETTY_FUNCTION__ = "pjsip_endpt_process_rx_data"
#4  0x00007fd65d65ca29 in distribute (data=0x7fd658004bc8) at res_pjsip/pjsip_distributor.c:335
        param = {start_prio = 0, start_mod = 0x7fd65d86ad40 <distributor_mod>, idx_after_start = 1, silent = 0}
        handled = 0
        rdata = 0x7fd658004bc8
        is_request = 1
        is_ack = 0
        endpoint = <optimized out>
#5  0x00000000005b2f26 in ast_taskprocessor_execute (tps=0x1605688) at taskprocessor.c:766
        local = {local_data = 0x527626db, data = 0x1606f60}
        t = 0x7fd658006af0
        size = 0
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#6  0x00000000005b8731 in threadpool_execute (pool=0x1606fb8) at threadpool.c:351
        __PRETTY_FUNCTION__ = "threadpool_execute"
#7  0x00000000005b9c2a in worker_active (worker=0x7fd674000b98) at threadpool.c:1072
        alive = 0
#8  0x00000000005b99e7 in worker_start (arg=0x7fd674000b98) at threadpool.c:992
        worker = 0x7fd674000b98
        __PRETTY_FUNCTION__ = "worker_start"
#9  0x00000000005c4e8d in dummy_start (data=0x7fd674000cb0) at utils.c:1169
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {140559191566080, -3582141678630203708, 1, 140559191566784, 140559191566080, 0, -3582141678605037884, 3595373312006426308}, __mask_was_saved = 0}}, __pad = {
            0x7fd67caeddf0, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x44b97f <ast_unregister_thread>
        __cancel_arg = 0x7fd67caee700
        __not_first_call = 0
        ret = 0x0
        a = {start_routine = 0x5b9960 <worker_start>, data = 0x7fd674000b98, name = 0x7fd674000cd0 "worker_start         started at [ 1046] threadpool.c worker_thread_start()"}
#10 0x00000037fd807c53 in start_thread (arg=0x7fd67caee700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fd67caee700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140559191566080, 3595372524088594116, 1, 140559191566784, 140559191566080, 0, -3582141678628106556, 3569858352877539012}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#11 0x00000037fccf5e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.