-- Reloading module 'res_pjsip.so' (Basic SIP resource)
double free or corruption (fasttop)
[Sep 26 23:24:33] WARNING[95651]: pbx.c:7156 add_priority: Unable to register ex                                                                       tension '1001' priority 1 in 'default', already in use
--Type <RET> for more, q to quit, c to continue without paging--c

Thread 30 "asterisk" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffacaab700 (LWP 95651)]
0x00007ffff74b5881 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007ffff74b5881 in raise () at /lib64/libc.so.6
#1  0x00007ffff749f55b in abort () at /lib64/libc.so.6
#2  0x00007ffff74f8118 in  () at /lib64/libc.so.6
#3  0x00007ffff74ff4ba in  () at /lib64/libc.so.6
#4  0x00007ffff7500ff5 in  () at /lib64/libc.so.6
#5  0x00005555555c376d in __ast_free
    (ptr=0x7fff7c011920, file=0x7ffff4577059 "res_pjsip_config_wizard.c", lineno=478, func=0x7ffff4577ce8 <__PRETTY_FUNCTION__.27010> "add_extension")
    at astmm.c:1588
#6  0x00007ffff45721a1 in add_extension
    (context=0x555557173180, exten=0x7fff7c07bbb5 "1001", priority=1, application=0x7fff7c07ab01 "Gosub(default,${EXTEN},1(${HINT}))")
    at res_pjsip_config_wizard.c:478
#7  0x00007ffff45723c4 in add_hints
    (context=0x7fff7c07aa6d "default", exten=0x7fff7c07bbb5 "1001", application=0x7fff7c07ab01 "Gosub(default,${EXTEN},1(${HINT}))", id=0x7fff7c0693c0 "1001") at res_pjsip_config_wizard.c:521
#8  0x00007ffff457376d in handle_endpoint (sorcery=0x55555622c240, otw=0x555555aa1be0, wiz=0x7fff7c0693c0) at res_pjsip_config_wizard.c:723
#9  0x00007ffff45755a0 in wizard_apply_handler (sorcery=0x55555622c240, otw=0x555555aa1be0, wiz=0x7fff7c0693c0) at res_pjsip_config_wizard.c:1022
#10 0x00007ffff4575c3a in object_type_loaded_observer
    (name=0x5555562292d0 "res_pjsip", sorcery=0x55555622c240, object_type=0x555555a9b980 "endpoint", reloaded=1) at res_pjsip_config_wizard.c:1116
#11 0x000055555571540e in sorcery_object_load (obj=0x555555a9b980, arg=0x7fffacaaabe0, flags=2) at sorcery.c:1357
#12 0x00005555555c6c42 in internal_ao2_traverse
    (self=0x55555622cc18, flags=OBJ_NODATA, cb_fn=0x5555557150ac <sorcery_object_load>, arg=0x7fffacaaabe0, data=0x0, type=AO2_CALLBACK_DEFAULT, tag=0x55555581551c "", file=0x5555558154c3 "sorcery.c", line=1415, func=0x555555816400 <__PRETTY_FUNCTION__.11274> "ast_sorcery_reload")
    at astobj2_container.c:328
#13 0x00005555555c6f2f in __ao2_callback
    (c=0x55555622cc18, flags=OBJ_NODATA, cb_fn=0x5555557150ac <sorcery_object_load>, arg=0x7fffacaaabe0, tag=0x55555581551c "", file=0x5555558154c3 "sorcery.c", line=1415, func=0x555555816400 <__PRETTY_FUNCTION__.11274> "ast_sorcery_reload") at astobj2_container.c:414
#14 0x0000555555715aa6 in ast_sorcery_reload (sorcery=0x55555622c240) at sorcery.c:1415
#15 0x00007ffff671395d in ast_res_pjsip_reload_configuration () at res_pjsip/pjsip_configuration.c:2056
#16 0x00007ffff66ebde6 in reload_configuration_task (obj=0x0) at res_pjsip.c:5106
#17 0x00007ffff66eab87 in sync_task (data=0x7fff81a38270) at res_pjsip.c:4623
#18 0x000055555574399d in ast_taskprocessor_execute (tps=0x555555a61ab0) at taskprocessor.c:1237
#19 0x000055555574dd7d in execute_tasks (data=0x555555a61ab0) at threadpool.c:1354
#20 0x000055555574399d in ast_taskprocessor_execute (tps=0x555555a625a0) at taskprocessor.c:1237
#21 0x000055555574b73e in threadpool_execute (pool=0x555555a61360) at threadpool.c:367
#22 0x000055555574d53f in worker_active (worker=0x7fff84002030) at threadpool.c:1137
#23 0x000055555574d2ac in worker_start (arg=0x7fff84002030) at threadpool.c:1056
#24 0x0000555555758ebf in dummy_start (data=0x7fff84001fc0) at utils.c:1249
#25 0x00007ffff77c7f27 in start_thread () at /lib64/libpthread.so.0
#26 0x00007ffff7576bef in clone () at /lib64/libc.so.6