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Kamailio segfaults possibly when trying to write to the DB when it can't.
Shutdown Kamailio when the DB is no longer connected (I see this most often with a system reboot)
Stack trace of thread 6620:
#0 0x00007f8df3c54c4a get_event (pua.so)
#1 0x00007f8df3c4e450 send_publish (pua.so)
#2 0x00007f8df3a3c189 ul_publish (pua_usrloc.so)
#3 0x00007f8df71feda0 run_ul_callbacks (usrloc.so)
#4 0x00007f8df7201136 wb_timer (usrloc.so)
#5 0x00007f8df720233a timer_urecord (usrloc.so)
#6 0x00007f8df71fa644 mem_timer_udomain (usrloc.so)
#7 0x00007f8df7225ae9 synchronize_all_udomains (usrloc.so)
#8 0x00007f8df7207d18 destroy (usrloc.so)
#9 0x000000000051d55e destroy_modules (kamailio)
#10 0x0000000000418269 cleanup (kamailio)
#11 0x00000000004199cc shutdown_children (kamailio)
#12 0x000000000041a3f7 handle_sigs (kamailio)
#13 0x0000000000424062 main_loop (kamailio)
#14 0x0000000000429ca3 main (kamailio)
#15 0x00007f8e05b8a88a __libc_start_main (libc.so.6)
#16 0x000000000041795a _start (kamailio)
#0 0x00007f8df3c54c4a in get_event (ev_flag=1) at event_list.c:128
event = 0x7f8dfb007073
#1 0x00007f8df3c4e450 in send_publish (publ=0x7f8e053b8fd8) at send_publish.c:510
met = {s = 0x7f8df3ca0c62 "PUBLISH", len = 7}
str_hdr = 0x0
presentity = 0x0
body = 0x0
tuple_id = 0x0
cb_param = 0x0
hash_code = 0
etag = {s = 0x0, len = 0}
ver = 0
result = 500171648
ret_code = 0
ev = 0x0
uac_r = {method = 0x7f8dfe86ed88, headers = 0x7f8e05369010, body = 0x7ffd1dd002a0, ssock = 0x7f8df84a5d4f <pkg_proc_update_stats+115>, dialog = 0x7f8dffe6a138, cb_flags = 0, cb = 0x800000 <yystos+2976>,
cbp = 0x524c18 <get_is_fparam+2277>, callid = 0x208250}
res = 0x0
dbpres = {id = {s = 0x4 <error: Cannot access memory at address 0x4>, len = 0}, pres_uri = 0x7f8dfba03520, event = 15, expires = 0, desired_expires = 4, flag = 0, db_flag = 0, cb_param = 0x0, next = 0x0, ua_flag = 0,
outbound_proxy = 0x7ffd1dd00630, etag = {s = 0x1 <error: Cannot access memory at address 0x1>, len = 0}, tuple_id = {s = 0x0, len = 7817596}, body = 0x2, content_type = {s = 0x0, len = 0}, watcher_uri = 0xffffffffffffffff,
call_id = {s = 0x59f2890c <error: Cannot access memory at address 0x59f2890c>, len = 500172592}, to_tag = {s = 0x0, len = 0}, from_tag = {s = 0x1 <error: Cannot access memory at address 0x1>, len = 96725184}, cseq = 4,
version = 0, extra_headers = 0x7f8e05c3e8c0 <__libc_wait+32>, record_route = {s = 0x0, len = 0}, remote_contact = {s = 0x4 <error: Cannot access memory at address 0x4>, len = 0}, contact = {
s = 0x7f8dffe6a14a "Yealink SIP-T48G 35.81.0.25", len = 6659449}}
pres_uri = {s = 0x0, len = 0}
watcher_uri = {s = 0x0, len = 0}
extra_headers = {s = 0x0, len = 0}
ret = -1
__func__ = "send_publish"
#2 0x00007f8df3a3c189 in ul_publish (c=0x7f8dff996470, type=8, param=0x0) at ul_publish.c:324
body = 0x0
uri = {s = 0x7f8e054e5d68 "sip:user@example.com", len = 25}
at = 0x7f8dfe937d78 "@example.com.0"
publ = 0x7f8e053b8fd8
size = 192
content_type = {s = 0x7f8df3a4007c "application/pidf+xml", len = 20}
error = 3097352
__func__ = "ul_publish"
#3 0x00007f8df71feda0 in run_ul_callbacks (type=8, c=0x7f8dff996470) at ul_callback.h:85
cbp = 0x7f8dfba02d50
__func__ = "run_ul_callbacks"
#4 0x00007f8df7201136 in wb_timer (_r=0x7f8dff74f340) at urecord.c:382
ptr = 0x7f8dff996470
t = 0x208150
old_state = (unknown: 5393688)
op = 0
res = 0
__func__ = "wb_timer"
#5 0x00007f8df720233a in timer_urecord (_r=0x7f8dff74f340) at urecord.c:461
No locals.
#6 0x00007f8df71fa644 in mem_timer_udomain (_d=0x7f8dfbad5088, istart=0, istep=1) at udomain.c:1015
ptr = 0x7f8dff74f340
t = 0x7f8df6919048
i = 20
#7 0x00007f8df7225ae9 in synchronize_all_udomains (istart=0, istep=1) at dlist.c:761
res = 0
ptr = 0x7f8dfbacd920
#8 0x00007f8df7207d18 in destroy () at usrloc_mod.c:442
__func__ = "destroy"
#9 0x000000000051d55e in destroy_modules () at core/sr_module.c:811
t = 0x7f8e053d38c0
foo = 0x7f8e053d33b0
__func__ = "destroy_modules"
#10 0x0000000000418269 in cleanup (show_status=1) at main.c:525
memlog = 0
__func__ = "cleanup"
#11 0x00000000004199cc in shutdown_children (sig=15, show_status=1) at main.c:667
__func__ = "shutdown_children"
#12 0x000000000041a3f7 in handle_sigs () at main.c:698
chld = 4292094
chld_status = 5363279
any_chld_stopped = 0
memlog = -1
__func__ = "handle_sigs"
#13 0x0000000000424062 in main_loop () at main.c:1756
i = 2
pid = 6639
si = 0x0
si_desc = "udp receiver child=1 sock=[2603:300A:134:50E0:0:0:0:3]:5060\000\000\000\000\000\220\b\320\035\375\177\000\000hBc\005\216\177\000\000\020\t\320\035\375\177\000\000\252\360\017\005\216\177\000\000ȉc\005\216\177\000\000\000\000\000\000\001\000\000\000HnN\005\216\177\000\000(9\255\373\215\177\000"
nrprocs = 2
woneinit = 1
__func__ = "main_loop"
#14 0x0000000000429ca3 in main (argc=6, argv=0x7ffd1dd00bc8) at main.c:2643
cfg_stream = 0x1ce0010
c = -1
r = 0
tmp = 0x7ffd1dd01f06 ""
tmp_len = 0
port = 0
proto = 0
options = 0x72e440 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
ret = -1
seed = 2969426471
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 2
n_lst = 0x7f8e065858d0
p = 0x7ffd1dd00a20 "\377\377\377\377"
st = {st_dev = 22, st_ino = 3045, st_nlink = 2, st_mode = 16872, st_uid = 986, st_gid = 983, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1508981501, tv_nsec = 204171040},
st_mtim = {tv_sec = 1509020740, tv_nsec = 222461911}, st_ctim = {tv_sec = 1509020740, tv_nsec = 222461911}, __glibc_reserved = {0, 0, 0}}
__func__ = "main"
info locals
cfg_stream = 0x1ce0010
c = -1
r = 0
tmp = 0x7ffd1dd01f06 ""
tmp_len = 0
port = 0
proto = 0
options = 0x72e440 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
ret = -1
seed = 2969426471
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 2
n_lst = 0x7f8e065858d0
p = 0x7ffd1dd00a20 "\377\377\377\377"
st = {st_dev = 22, st_ino = 3045, st_nlink = 2, st_mode = 16872, st_uid = 986, st_gid = 983, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1508981501, tv_nsec = 204171040}, st_mtim = {
tv_sec = 1509020740, tv_nsec = 222461911}, st_ctim = {tv_sec = 1509020740, tv_nsec = 222461911}, __glibc_reserved = {0, 0, 0}}
__func__ = "main"
(gdb) list
123 pua_event_t* event;
124 event= pua_evlist->next;
125
126 while(event)
127 {
128 if(event->ev_flag== ev_flag)
129 {
130 return event;
131 }
132 event= event->next;
systemd[1]: Stopping Kamailio SIP Server...
kamailio[6620]: WARNING: db_postgres [km_dbase.c:242]: db_postgres_submit_query(): postgres query command failed, connection status 1, error [SSL connection has been closed unexpectedly]
systemd[1]: kamailio.service: Main process exited, code=dumped, status=11/SEGV
(paste your sip traffic here)
The version is the 5.0.4 release, though it happened in previous releases as well.
version: kamailio 5.0.4 (x86_64/linux)
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled on 18:37:03 Oct 25 2017 with gcc 7.2.1
Fedora 26 x86_64
Linux chicago.example.com 4.13.9-200.fc26.x86_64 #1 SMP Mon Oct 23 13:52:45 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
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