root@username:/tmp/kamailio# gdb `which kamailio` .25935.core.25935
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/local/sbin/kamailio...done.
[New LWP 25935]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/local/sbin/kamailio -w /tmp/kamailio -P /var/run/kamailio/kamailio.pid -f'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f248c4cef15 in send_reply (msg=0x7f2469f88d40, code=0, reason=0x7ffd775e3ab8) at sl.c:276
276             if(reason->s[reason->len-1]=='\0') {
(gdb) bt full
#0  0x00007f248c4cef15 in send_reply (msg=0x7f2469f88d40, code=0, reason=0x7ffd775e3ab8) at sl.c:276
        r = 0x0
        t = 0x0
        ret = 1
        __FUNCTION__ = "send_reply"
#1  0x00007f24656c6549 in worker_loop (id=2) at worker.c:129
        worker = 0x7f2469a80f20
        current_job = 0x7f2469fa04f0
        peer_response = {resp_code = 0, content_type = {s = 0x0, len = 0}, reason = {s = 0x0, len = 0}, body = {s = 0x0, len = 0}}
        ret_value = 0
        not_parsed = 0
        dmq_node = 0x7f2469f22370
        __FUNCTION__ = "worker_loop"
#2  0x00007f24656d56b3 in child_init (rank=0) at dmq.c:300
        i = 2
        newpid = 0
        __FUNCTION__ = "child_init"
#3  0x00000000005629b3 in init_mod_child (m=0x7f248f079ba8, rank=0) at core/sr_module.c:780
        __FUNCTION__ = "init_mod_child"
#4  0x0000000000562671 in init_mod_child (m=0x7f248f07a0c8, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#5  0x0000000000562671 in init_mod_child (m=0x7f248f07bdb8, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#6  0x0000000000562671 in init_mod_child (m=0x7f248f085b28, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#7  0x0000000000562671 in init_mod_child (m=0x7f248f090ef0, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#8  0x0000000000562671 in init_mod_child (m=0x7f248f091ea8, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#9  0x0000000000562671 in init_mod_child (m=0x7f248f0922c8, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#10 0x0000000000562671 in init_mod_child (m=0x7f248f0934a0, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#11 0x0000000000562671 in init_mod_child (m=0x7f248f09adb0, rank=0) at core/sr_module.c:776
        __FUNCTION__ = "init_mod_child"
#12 0x00000000005630ad in init_child (rank=0) at core/sr_module.c:825
        ret = -1892100160
        type = 0x7bb393 "PROC_MAIN"
        __FUNCTION__ = "init_child"
#13 0x0000000000426dbf in main_loop () at main.c:1753
        i = 8
        pid = 25919
        si = 0x0
        si_desc = "udp receiver child=7 sock=172.31.3.248:5060 (9.8.7.123:5060)\000\000\000\000 \000\000\000\000\000\000\000\001\000\000\000\000\006\000\000\000\000\000\000\000o\023\n\220$\177\000\000PA^w\375\177\000\000\060\000\000\000\060\000\000\000\020B^w\375\177\000\000hf7\217$\177\000"
        nrprocs = 8
        woneinit = 1
        __FUNCTION__ = "main_loop"
#14 0x000000000042e796 in main (argc=11, argv=0x7ffd775e46d8) at main.c:2802
        cfg_stream = 0x10aa010
        c = -1
        r = 0
        tmp = 0x7ffd775e4f85 ""
        tmp_len = 0
        port = 1
        proto = 32548
        ahost = 0x0
        aport = 0
        options = 0x774790 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
---Type <return> to continue, or q <return> to quit---
        ret = -1
        seed = 1371968140
        rfd = 4
        debug_save = 0
        debug_flag = 0
        dont_fork_cnt = 0
        n_lst = 0x7f24909a5508
        p = 0x0
        st = {st_dev = 15, st_ino = 13588, st_nlink = 2, st_mode = 16832, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0,
          st_atim = {tv_sec = 1587614447, tv_nsec = 532041751}, st_mtim = {tv_sec = 1587676468, tv_nsec = 477543158}, st_ctim = {tv_sec = 1587676468, tv_nsec = 477543158},
          __glibc_reserved = {0, 0, 0}}
        tbuf = '\000' <repeats 344 times>...
        option_index = 0
        long_options = {{name = 0x77730a "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x77102c "version", has_arg = 0, flag = 0x0, val = 118}, {name = 0x77730f "alias",
            has_arg = 1, flag = 0x0, val = 1024}, {name = 0x777315 "subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x77731b "substdef", has_arg = 1, flag = 0x0,
            val = 1026}, {name = 0x777324 "substdefs", has_arg = 1, flag = 0x0, val = 1027}, {name = 0x77732e "server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x0,
            has_arg = 0, flag = 0x0, val = 0}}
        __FUNCTION__ = "main"