[SR-Users] Segmentation fault in DMQ module

Daniel-Constantin Mierla miconda at gmail.com
Tue Mar 17 12:03:49 CET 2020


Hello,

if it is a runtime issue, then it is better to upgrade to a supported
release series and try to reproduce it.

Looking at startup/shutdown code is easier than the rest used during
runtime by a module, but it is not the case here. So we may waste a lot
of time to dig into it and discover it was fixed or the code in an older
release was refactored not matching any longer what is now in stable
releases.

Cheers,
Daniel

On 17.03.20 11:35, Virgílio Cunha wrote:
> Hi,
>
> The problem does not just occur when kamailio is restarted. The
> restart was the way I found to reproduce the problem, because when a
> proxy is restarted, there is more traffic from DMQ messages, so the
> problem is more likely to occur.
>
> The full backtrace is following:
>
> GNU gdb (GDB) Red Hat Enterprise Linux (7.2-92.el6)
> Copyright (C) 2010 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-redhat-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from
> /opt/ptin/kamailio-ksipadp/bin/ksipadp-proxy...Reading symbols from
> /usr/lib/debug/usr/sbin/kamailio.debug...done.
> done.
> [New Thread 506]
> Reading symbols from /lib64/libdl.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libdl.so.2
> Reading symbols from /lib64/libresolv.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libresolv.so.2
> Reading symbols from /lib64/libc.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libc.so.6
> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging
> symbols found)...done.
> Loaded symbols for /lib64/ld-linux-x86-64.so.2
> Reading symbols from
> /usr/lib64/kamailio/modules/db_postgres.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/db_postgres.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/db_postgres.so
> Reading symbols from /usr/lib64/libpq.so.5...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libpq.so.5
> Reading symbols from /usr/lib64/kamailio/libsrdb2.so.1...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/libsrdb2.so.1.0.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/libsrdb2.so.1
> Reading symbols from /usr/lib64/kamailio/libsrdb1.so.1...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/libsrdb1.so.1.0.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/libsrdb1.so.1
> Reading symbols from /usr/lib64/libssl.so.10...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libssl.so.10
> Reading symbols from /usr/lib64/libcrypto.so.10...(no debugging
> symbols found)...done.
> Loaded symbols for /usr/lib64/libcrypto.so.10
> Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging
> symbols found)...done.
> Loaded symbols for /lib64/libgssapi_krb5.so.2
> Reading symbols from /lib64/libldap_r-2.4.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libldap_r-2.4.so.2
> Reading symbols from /lib64/libpthread.so.0...(no debugging symbols
> found)...done.
> [Thread debugging using libthread_db enabled]
> Loaded symbols for /lib64/libpthread.so.0
> Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libkrb5.so.3
> Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libcom_err.so.2
> Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libk5crypto.so.3
> Reading symbols from /lib64/libz.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libz.so.1
> Reading symbols from /lib64/libkrb5support.so.0...(no debugging
> symbols found)...done.
> Loaded symbols for /lib64/libkrb5support.so.0
> Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libkeyutils.so.1
> Reading symbols from /lib64/liblber-2.4.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/liblber-2.4.so.2
> Reading symbols from /usr/lib64/libsasl2.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libsasl2.so.2
> Reading symbols from /usr/lib64/libssl3.so...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libssl3.so
> Reading symbols from /usr/lib64/libsmime3.so...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libsmime3.so
> Reading symbols from /usr/lib64/libnss3.so...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libnss3.so
> Reading symbols from /usr/lib64/libnssutil3.so...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libnssutil3.so
> Reading symbols from /lib64/libplds4.so...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libplds4.so
> Reading symbols from /lib64/libplc4.so...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libplc4.so
> Reading symbols from /lib64/libnspr4.so...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libnspr4.so
> Reading symbols from /lib64/libselinux.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libselinux.so.1
> Reading symbols from /lib64/libcrypt.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libcrypt.so.1
> Reading symbols from /lib64/librt.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/librt.so.1
> Reading symbols from /lib64/libfreebl3.so...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libfreebl3.so
> Reading symbols from /usr/lib64/kamailio/modules/ctl.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/ctl.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/ctl.so
> Reading symbols from /lib64/libnss_files.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libnss_files.so.2
> Reading symbols from /usr/lib64/kamailio/modules/kex.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/kex.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/kex.so
> Reading symbols from /usr/lib64/kamailio/libsrutils.so.1...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/libsrutils.so.1.0.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/libsrutils.so.1
> Reading symbols from /lib64/libm.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libm.so.6
> Reading symbols from /usr/lib64/kamailio/modules/tm.so...Reading
> symbols from /usr/lib/debug/usr/lib64/kamailio/modules/tm.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/tm.so
> Reading symbols from /usr/lib64/kamailio/modules/tmx.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/tmx.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/tmx.so
> Reading symbols from /usr/lib64/kamailio/modules/corex.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/corex.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/corex.so
> Reading symbols from /usr/lib64/kamailio/modules/cfg_rpc.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/cfg_rpc.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/cfg_rpc.so
> Reading symbols from /usr/lib64/kamailio/modules/sl.so...Reading
> symbols from /usr/lib/debug/usr/lib64/kamailio/modules/sl.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/sl.so
> Reading symbols from /usr/lib64/kamailio/modules/rr.so...Reading
> symbols from /usr/lib/debug/usr/lib64/kamailio/modules/rr.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/rr.so
> Reading symbols from /usr/lib64/kamailio/modules/maxfwd.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/maxfwd.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/maxfwd.so
> Reading symbols from /usr/lib64/kamailio/modules/siputils.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/siputils.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/siputils.so
> Reading symbols from /usr/lib64/kamailio/modules/sanity.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/sanity.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/sanity.so
> Reading symbols from /usr/lib64/kamailio/modules/textops.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/textops.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/textops.so
> Reading symbols from /usr/lib64/kamailio/modules/textopsx.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/textopsx.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/textopsx.so
> Reading symbols from /usr/lib64/kamailio/modules/dmq.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/dmq.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/dmq.so
> Reading symbols from /usr/lib64/kamailio/modules/htable.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/htable.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/htable.so
> Reading symbols from /usr/lib64/kamailio/modules/pv.so...Reading
> symbols from /usr/lib/debug/usr/lib64/kamailio/modules/pv.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/pv.so
> Reading symbols from /usr/lib64/kamailio/modules/xlog.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/xlog.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/xlog.so
> Reading symbols from /usr/lib64/kamailio/modules/jsonrpcs.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/jsonrpcs.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/jsonrpcs.so
> Reading symbols from /usr/lib64/kamailio/modules/uac.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/uac.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/uac.so
> Reading symbols from
> /usr/lib64/kamailio/modules/uac_redirect.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/uac_redirect.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/uac_redirect.so
> Reading symbols from /usr/lib64/kamailio/modules/db_text.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/db_text.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/db_text.so
> Reading symbols from
> /usr/lib64/kamailio/modules/dispatcher.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/dispatcher.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/dispatcher.so
> Reading symbols from /usr/lib64/kamailio/modules/sqlops.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/sqlops.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/sqlops.so
> Reading symbols from /usr/lib64/kamailio/modules/regex.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/regex.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/regex.so
> Reading symbols from /lib64/libpcre.so.0...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libpcre.so.0
> Reading symbols from
> /usr/lib64/kamailio/modules/permissions.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/permissions.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/permissions.so
> Reading symbols from /usr/lib64/kamailio/modules/dialplan.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/dialplan.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/dialplan.so
> Reading symbols from /usr/lib64/kamailio/modules/mtree.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/mtree.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/mtree.so
> Reading symbols from /usr/lib64/kamailio/modules/cfgutils.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/cfgutils.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/cfgutils.so
> Reading symbols from /usr/lib64/kamailio/modules/statsd.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/statsd.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/statsd.so
> Reading symbols from /usr/lib64/kamailio/modules/app_lua.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/app_lua.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/app_lua.so
> Reading symbols from /usr/lib64/liblua-5.1.so...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/liblua-5.1.so <http://liblua-5.1.so>
> Reading symbols from /usr/lib64/kamailio/modules/rtimer.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/rtimer.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/rtimer.so
> Reading symbols from /usr/lib64/kamailio/modules/mqueue.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/mqueue.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/mqueue.so
> Reading symbols from /usr/lib64/kamailio/modules/auth.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/auth.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/auth.so
> Reading symbols from /usr/lib64/kamailio/modules/usrloc.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/usrloc.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/usrloc.so
> Reading symbols from
> /usr/lib64/kamailio/modules/registrar.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/registrar.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/registrar.so
> Reading symbols from
> /usr/lib64/kamailio/modules/dmq_usrloc.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/dmq_usrloc.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/dmq_usrloc.so
> Reading symbols from /usr/lib64/kamailio/modules/xhttp.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/xhttp.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/xhttp.so
> Reading symbols from /usr/lib64/kamailio/modules/exec.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/exec.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/exec.so
> Reading symbols from
> /usr/lib64/kamailio/modules/http_client.so...Reading symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/http_client.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/http_client.so
> Reading symbols from /usr/lib64/libxml2.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libxml2.so.2
> Reading symbols from /usr/lib64/libcurl.so.4...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libcurl.so.4
> Reading symbols from /lib64/libidn.so.11...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libidn.so.11
> Reading symbols from /lib64/libldap-2.4.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libldap-2.4.so.2
> Reading symbols from /usr/lib64/libssh2.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libssh2.so.1
> Reading symbols from /usr/lib64/kamailio/modules/json.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/json.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/json.so
> Reading symbols from /lib64/libjson-c.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libjson-c.so.2
> Reading symbols from /usr/lib64/kamailio/modules/ipops.so...Reading
> symbols from
> /usr/lib/debug/usr/lib64/kamailio/modules/ipops.so.debug...done.
> done.
> Loaded symbols for /usr/lib64/kamailio/modules/ipops.so
> Reading symbols from /lib64/libnss_dns.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libnss_dns.so.2
> Core was generated by `/opt/ptin/kamailio-ksipadp/bin/ksipadp-proxy -f
> /opt/ptin/kamailio-ksipadp/prox'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00007fefe58ea7c4 in atomic_get (v=0x0) at
> ../../core/atomic/atomic_common.h:66
> 66              return atomic_get_int(&(v->val));
> Missing separate debuginfos, use: debuginfo-install
> kamailio-ksipadp-2.8.0-1.ptin.el6.x86_64
> (gdb) bt full
> #0  0x00007fefe58ea7c4 in atomic_get (v=0x0) at
> ../../core/atomic/atomic_common.h:66
> No locals.
> #1  0x00007fefe58ee246 in job_queue_size (queue=0x0) at worker.c:254
> No locals.
> #2  0x00007fefe58ed920 in add_dmq_job (msg=0x7ff028b453f8,
> peer=0x7fefebcc4df8) at worker.c:184
>         i = 1
>         found_available = 0
>         new_job = {f = 0x7fefe2613797 <usrloc_dmq_handle_msg>, msg =
> 0x7fefebce67c8, orig_peer = 0x7fefebcc4df8, next = 0x0, prev = 0x0}
>         worker = 0x7fefe7a1d890
>         cloned_msg = 0x7fefebce67c8
>         cloned_msg_len = 3888
>         __FUNCTION__ = "add_dmq_job"
> #3  0x00007fefe58dfec1 in dmq_handle_message (msg=0x7ff028b453f8,
> str1=0x0, str2=0x0) at message.c:66
>         peer = 0x7fefebcc4df8
>         __FUNCTION__ = "dmq_handle_message"
> #4  0x0000000000433729 in do_action (h=0x7ffc89e35670,
> a=0x7ff0285a9340, msg=0x7ff028b453f8) at core/action.c:1054
>         ret = -5
>         v = 1
>         dst = {send_sock = 0x7ff0285a8810, to = {s = {sa_family =
> 21376, sa_data = "\343\211\374\177\000\000\370S\264(\360\177\000"},
> sin = {
>               sin_family = 21376, sin_port = 35299, sin_addr = {s_addr
> = 32764}, sin_zero = "\370S\264(\360\177\000"}, sin6 = {sin6_family =
> 21376,
>               sin6_port = 35299, sin6_flowinfo = 32764, sin6_addr =
> {__in6_u = {__u6_addr8 =
> "\370S\264(\360\177\000\000pV\343\211\374\177\000",
>                   __u6_addr16 = {21496, 10420, 32752, 0, 22128, 35299,
> 32764, 0}, __u6_addr32 = {682906616, 32752, 2313377392, 32764}}},
>               sin6_scope_id = 1}}, id = 32764, proto = 0 '\000',
> send_flags = {f = 0, blst_imask = 0}}
>         tmp = 0x389c422190 ""
>         new_uri = 0x7c00000000 <Address 0x7c00000000 out of bounds>
>         end = 0x6e00000077 <Address 0x6e00000077 out of bounds>
>         crt = 0x389c98e120 ""
>         cmd = 0x7ff0283219b0
>         len = 0
>         user = 0
>         uri = {user = {s = 0x7ffc89e34a10 "@K\343\211\374\177", len =
> 4459394}, passwd = {s = 0x7ffc89e34e80 "\356Q\343\211\374\177",
>             len = 682906616}, host = {s = 0x7ff0285a9020 "\177\001",
> len = -1981589904}, port = {s = 0x0, len = 1}, params = {
>             s = 0x7ff028b453f8 "\017", len = 295169284}, sip_params =
> {s = 0x32 <Address 0x32 out of bounds>, len = 1073741824}, headers = {
>             s = 0x2000000 <Address 0x2000000 out of bounds>, len =
> 4289104}, port_no = 60676, proto = 5047, type = 2312043322, flags =
> 2168712452,
>           transport = {s = 0x0, len = -1675583518}, ttl = {s =
> 0x89e34e90 <Address 0x89e34e90 out of bounds>, len = 35715777},
> user_param = {
>             s = 0xffffffff0000003c <Address 0xffffffff0000003c out of
> bounds>, len = -1671419584}, maddr = {s = 0x0, len = -1981592704},
> method = {
>             s = 0x389c603c48 "", len = -1671391960}, lr = {s = 0x0,
> len = -1981592544}, r2 = {s = 0x1dde9a0 " 9\336\001", len = 0}, gr = {
>             s = 0x4 <Address 0x4 out of bounds>, len = 2479},
> transport_val = {s = 0x389c422190 "", len = 1}, ttl_val = {
>             s = 0x7ffc89e34b40 "pM\343\211\374\177", len = 5683491},
> user_param_val = {s = 0x40e7e8
> "\370\377\377\377\377\377\377\377@ݘ\234\070",
>             len = -1671362728}, maddr_val = {s = 0x404130 "", len =
> 0}, method_val = {s = 0x1000003b4 <Address 0x1000003b4 out of bounds>,
> len = 0},
>           lr_val = {s = 0x7fefe7374b9a "%x%c%x%c", len = -1673386776},
> r2_val = {s = 0x7ffc89e34bd0 "", len = -1981592584}, gr_val = {
> ---Type <return> to continue, or q <return> to quit---
>             s = 0x389c422190 "", len = 0}}
>         next_hop = {user = {s = 0x1 <Address 0x1 out of bounds>, len =
> 40}, passwd = {s = 0x0, len = -1407107317}, host = {
>             s = 0x2000000 <Address 0x2000000 out of bounds>, len =
> 31398688}, port = {s = 0x1dde9a0 " 9\336\001", len = 31320480}, params = {
>             s = 0x7ffc89e34c20 "", len = -1981593152}, sip_params = {s
> = 0x7ffc89e34910 "\200N\343\211\374\177", len = 682906616}, headers = {
>             s = 0x32 <Address 0x32 out of bounds>, len = 1073741824},
> port_no = 0, proto = 512, type = ERROR_URI_T, flags = 4289104,
> transport = {
>             s = 0x7ffc89e34900 "\020J\343\211\374\177", len =
> 4457737}, ttl = {s = 0x7ffc89e348f0 "", len = -1981593520}, user_param = {
>             s = 0x7ffc89e34858 "\r", len = -1981593264}, maddr = {s =
> 0x7ffc89e34870 "", len = -1981593456}, method = {s = 0x7ffc89e348b0 "\r",
>             len = -1981593392}, lr = {s = 0x8cd2d0 <Address 0x8cd2d0
> out of bounds>, len = 13}, r2 = {
>             s = 0x10100000002 <Address 0x10100000002 out of bounds>,
> len = -1}, gr = {s = 0x0, len = 0}, transport_val = {s = 0x0, len =
> 682906616},
>           ttl_val = {s = 0x7ff0285a9020 "\177\001", len =
> -1981593296}, user_param_val = {s = 0x7ffc89e34fa0
> "\001\200\255\373\374\177", len = 0},
>           maddr_val = {s = 0x10000000d <Address 0x10000000d out of
> bounds>, len = -1981591296}, method_val = {
>             s = 0x7fef00000000 <Address 0x7fef00000000 out of bounds>,
> len = -1671151657}, lr_val = {s = 0x7fefe7374ba2 "", len = 682906616},
>           r2_val = {s = 0x32 <Address 0x32 out of bounds>, len =
> 1073741824}, gr_val = {s = 0x2000000 <Address 0x2000000 out of bounds>,
>             len = 4289104}}
>         u = 0x389c4224e8
>         port = 0
>         dst_host = 0x89e34bd0
>         i = 32764
>         flags = 52
>         avp = 0x189e35040
>         st = {flags = 2313374752, id = 32764, name = {n = -1981593512,
> s = {s = 0x7ffc89e34858 "\r", len = -1981593152}, re = 0x7ffc89e34858},
>           avp = 0x7ffc89e347a0}
>         sct = 0x0
>         sjt = 0x7ff028b453f8
>         rve = 0x32
>         mct = 0x40000000
>         rv = 0x7ffc89e34c20
>         rv1 = 0x2000000
>         c1 = {cache_type = 2313374144, val_type = 32764, c = {avp_val
> = {n = 1, s = {s = 0x1 <Address 0x1 out of bounds>, len = 1}, re =
> 0x1}, pval = {
>               rs = {s = 0x1 <Address 0x1 out of bounds>, len = 1}, ri
> = -1407115050, flags = 52}},
>           i2s = "\000\000\000\000\000\000\000\000\274\224
> \254\064\000\000\000\240G\343\211\374\177"}
>         s = {s = 0x1 <Address 0x1 out of bounds>, len = -1981593512}
>         srevp = {0x7ffc89e34960, 0x34ac208a97}
>         mod_f_params = {{type = NOSUBTYPE, u = {number = 0, string =
> 0x0, str = {s = 0x0, len = 0}, data = 0x0, attr = 0x0, select = 0x0}}, {
>             type = NOSUBTYPE, u = {number = 0, string = 0x0, str = {s
> = 0x0, len = 0}, data = 0x0, attr = 0x0, select = 0x0}}, {type =
> NOSUBTYPE, u = {
>               number = 0, string = 0x0, str = {s = 0x0, len = 0}, data
> = 0x0, attr = 0x0, select = 0x0}}, {type = NOSUBTYPE, u = {number = 0,
>               string = 0x0, str = {s = 0x0, len = 0}, data = 0x0, attr
> = 0x0, select = 0x0}}, {type = NOSUBTYPE, u = {number = 0, string =
> 0x0, str = {
>                 s = 0x0, len = 0}, data = 0x0, attr = 0x0, select =
> 0x0}}, {type = NOSUBTYPE, u = {number = 0, string = 0x0, str = {s =
> 0x0, len = 0},
>               data = 0x0, attr = 0x0, select = 0x0}}, {type =
> NOSUBTYPE, u = {number = 0, string = 0x0, str = {s = 0x0, len = 0},
> data = 0x0,
>               attr = 0x0, select = 0x0}}, {type = NOSUBTYPE, u =
> {number = 0, string = 0x0, str = {s = 0x0, len = 0}, data = 0x0, attr
> = 0x0,
>               select = 0x0}}}
> ---Type <return> to continue, or q <return> to quit---
>         __FUNCTION__ = "do_action"
> #5  0x00000000004404b8 in run_actions (h=0x7ffc89e35670,
> a=0x7ff0285a9340, msg=0x7ff028b453f8) at core/action.c:1552
>         t = 0x7ff0285a9340
>         ret = -1
>         mod = 0x1dde9a0
>         ms = 176570657
>         __FUNCTION__ = "run_actions"
> #6  0x0000000000433692 in do_action (h=0x7ffc89e35670,
> a=0x7ff0285a9668, msg=0x7ff028b453f8) at core/action.c:1045
>         ret = 1
>         v = 1
>         dst = {send_sock = 0x7ffc89e35380, to = {s = {sa_family =
> 61042, sa_data = "I", '\000' <repeats 12 times>}, sin = {sin_family =
> 61042,
>               sin_port = 73, sin_addr = {s_addr = 0}, sin_zero =
> "\000\000\000\000\000\000\000"}, sin6 = {sin6_family = 61042,
> sin6_port = 73,
>               sin6_flowinfo = 0, sin6_addr = {__in6_u = {__u6_addr8 =
> "\000\000\000\000\000\000\000\000\020\000\000\000\005\000\000",
> __u6_addr16 = {
>                     0, 0, 0, 0, 16, 0, 5, 0}, __u6_addr32 = {0, 0, 16,
> 5}}}, sin6_scope_id = 673678288}}, id = 32752, proto = 0 '\000',
> send_flags = {
>             f = 0, blst_imask = 32752}}
>         tmp = 0x66307b "H\213E\270H\203\300\070\351O\003"
>         new_uri = 0x7ff028a93048 ""
>         end = 0x7ff028a93038 "\303l\256"
>         crt = 0x2000000 <Address 0x2000000 out of bounds>
>         cmd = 0x1773508
>         len = 6791248
>         user = 0
>         uri = {user = {s = 0xae6ecd "", len = 11430897}, passwd = {s =
> 0x7c95f8 "core: core/parser/msg_parser.c", len = 682507016}, host = {
>             s = 0xae6c43 "To: <sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080>>\r\nFrom:
> <sip:usrloc at 10.112.101.128:5060
> <http://sip:usrloc@10.112.101.128:5060>>;tag=8a3534eb92149bbe647f599d354f2511-090e\r\nCSeq:
> 10 KDMQ\r\nCall-ID: 409f4ac5788a8cc4-24333 at 10.112.101.128
> <mailto:409f4ac5788a8cc4-24333 at 10.112.101.128>\r\nContent-Length:
> 39"..., len = 11430924}, port = {s = 0x0, len = 682507072}, params = {
>             s = 0x7ff028ae3c90  <incomplete sequence \350>, len = 0},
> sip_params = {s = 0x7ffc89e35330 "\246", len = 6697083}, headers = {
>             s = 0x7c9170 "core", len = -1981590832}, port_no = 8,
> proto = 0, type = ERROR_URI_T, flags = 30415600, transport = {
>             s = 0xa8428197 <Address 0xa8428197 out of bounds>, len =
> -1675583518}, ttl = {s = 0x3000000030 <Address 0x3000000030 out of
> bounds>,
>             len = 44108294}, user_param = {s = 0x400000017 <Address
> 0x400000017 out of bounds>, len = 8176032}, maddr = {s = 0x0, len =
> -1981590448},
>           method = {s = 0x389c603c48 "", len = 11431629}, lr = {s =
> 0x7ffc89e35450 "\220T\343\211\374\177", len = 6869803}, r2 = {
>             s = 0x7cc190 "get_hdr_field", len = 6730416}, gr = {s =
> 0x7ffc89e35300 "", len = 673677328}, transport_val = {s = 0x389c422190 "",
>             len = 673677328}, ttl_val = {s = 0x7ffc89e35350
> "\200S\343\211\374\177", len = -413652166}, user_param_val = {s =
> 0x40e7f9 "", len = 0},
>           maddr_val = {s = 0x2000000 <Address 0x2000000 out of
> bounds>, len = 24588552}, method_val = {
>             s = 0x67a450
> "\030A\211\321A)\301D\211ȉ\302H\213\205(\377\377\377\211P \276\004",
> len = 8965880}, lr_val = {
>             s = 0x8cd2d0 <Address 0x8cd2d0 out of bounds>, len = 8},
> r2_val = {s = 0xa6 <Address 0xa6 out of bounds>, len = 8136007},
> gr_val = {
>             s = 0x7c95f8 "core: core/parser/msg_parser.c", len =
> 682176488}}
>         next_hop = {user = {s = 0x1e7374b9a <Address 0x1e7374b9a out
> of bounds>, len = 674472240}, passwd = {
>             s = 0xffffffff <Address 0xffffffff out of bounds>, len =
> 4289104}, host = {s = 0x4e2cb1825 <Address 0x4e2cb1825 out of bounds>,
>             len = -1667705792}, port = {s = 0x0, len = 1073741824},
> params = {s = 0x2000000 <Address 0x2000000 out of bounds>, len = 4289104},
>           sip_params = {s = 0x7ffc89e35180 "\360Q\343\211\374\177",
> len = 6031673}, headers = {s = 0x7fefe2cb183f "", len = -1981591296},
>           port_no = 23013, proto = 58022, type = 32751, flags =
> 2313376240, transport = {s = 0x7fefe7374b9a "%x%c%x%c", len =
> -1981590944}, ttl = {
> ---Type <return> to continue, or q <return> to quit---
>             s = 0x1a <Address 0x1a out of bounds>, len = 4289104},
> user_param = {s = 0x7fefe2a659e5 "5e6a5a14-1fa-", len = -1670974014},
> maddr = {
>             s = 0x30fbad8001 <Address 0x30fbad8001 out of bounds>, len
> = -492414491}, method = {s = 0x7fefe2a659e5 "5e6a5a14-1fa-", len =
> -492414491},
>           lr = {s = 0x7fefe2a659e5 "5e6a5a14-1fa-", len = -492414478},
> r2 = {s = 0x7fefe2a659ff "", len = -492414491}, gr = {s =
> 0x7fefe2a659ff "",
>             len = 0}, transport_val = {s = 0x0, len = 6730416},
> ttl_val = {s = 0x7ffc89e351a0 "", len = 673677328}, user_param_val = {
>             s = 0x2000000 <Address 0x2000000 out of bounds>, len =
> 673677328}, maddr_val = {s = 0x7ffc89e351f0 "Cl\256", len = -413652166},
>           method_val = {s = 0x7ff028278010 "\001", len = 0}, lr_val =
> {s = 0x2000000 <Address 0x2000000 out of bounds>, len = 24589344},
> r2_val = {
>             s = 0x67a138 "", len = 8965088}, gr_val = {s = 0x8cd2d0
> <Address 0x8cd2d0 out of bounds>, len = 682507072}}
>         u = 0x66273d
>         port = 0
>         dst_host = 0x40000000
>         i = 28
>         flags = 0
>         avp = 0xae6cc7
>         st = {flags = 31129600, id = 0, name = {n = 0, s = {s = 0x0,
> len = 93}, re = 0x0}, avp = 0x7ffc89e35080}
>         sct = 0x7ffc89e35490
>         sjt = 0x6943d3
>         rve = 0x7ff0285a8808
>         mct = 0x6a283b
>         rv = 0x0
>         rv1 = 0x7c9170
>         c1 = {cache_type = 24, val_type = 48, c = {avp_val = {n =
> -1981590720, s = {s = 0x7ffc89e35340 "\370\225|", len = -1981590912},
>               re = 0x7ffc89e35340}, pval = {rs = {s = 0x7ffc89e35340
> "\370\225|", len = -1981590912}, ri = 0, flags = 0}},
>           i2s = '\000' <repeats 21 times>}
>         s = {s = 0x7fefe2cb183f "", len = -490006491}
>         srevp = {0x7fefe2cb1825, 0x7fefe2cb1832}
>         mod_f_params = {{type = NOSUBTYPE, u = {number = 0, string =
> 0x0, str = {s = 0x0, len = 0}, data = 0x0, attr = 0x0, select = 0x0}}, {
>             type = NOSUBTYPE, u = {number = 0, string = 0x0, str = {s
> = 0x0, len = 0}, data = 0x0, attr = 0x0, select = 0x0}}, {type =
> NOSUBTYPE, u = {
>               number = 0, string = 0x0, str = {s = 0x0, len = 0}, data
> = 0x0, attr = 0x0, select = 0x0}}, {type = NOSUBTYPE, u = {number = 0,
>               string = 0x0, str = {s = 0x0, len = 0}, data = 0x0, attr
> = 0x0, select = 0x0}}, {type = NOSUBTYPE, u = {number = 0, string =
> 0x0, str = {
>                 s = 0x0, len = 0}, data = 0x0, attr = 0x0, select =
> 0x0}}, {type = NOSUBTYPE, u = {number = 0, string = 0x0, str = {s =
> 0x0, len = 0},
>               data = 0x0, attr = 0x0, select = 0x0}}, {type =
> NOSUBTYPE, u = {number = 0, string = 0x0, str = {s = 0x0, len = 0},
> data = 0x0,
>               attr = 0x0, select = 0x0}}, {type = NOSUBTYPE, u =
> {number = 0, string = 0x0, str = {s = 0x0, len = 0}, data = 0x0, attr
> = 0x0,
>               select = 0x0}}}
>         __FUNCTION__ = "do_action"
> #7  0x00000000004404b8 in run_actions (h=0x7ffc89e35670,
> a=0x7ff0285a85d0, msg=0x7ff028b453f8) at core/action.c:1552
>         t = 0x7ff0285a9668
>         ret = 1
>         mod = 0x417250
>         ms = 176570657
>         __FUNCTION__ = "run_actions"
> #8  0x0000000000440c4a in run_top_route (a=0x7ff0285a85d0,
> msg=0x7ff028b453f8, c=0x0) at core/action.c:1641
> ---Type <return> to continue, or q <return> to quit---
>         ctx = {rec_lev = 2, run_flags = 0, last_retcode = 1, jmp_env =
> {{__jmpbuf = {140669451785720, -8516593617994257148, 50, 1073741824,
> 33554432,
>                 4289104, -8516593618092823292, 8518532807277145348},
> __mask_was_saved = 0, __saved_mask = {__val = {140668355198191,
> 4302791168, 48,
>                   48, 18446744073709551615, 140722621863712,
> 140668355198919, 50, 0, 4611686022755909632, 140669451785208,
> 140722621863776, 5814046,
>                   6608344928, 140669451785208, 0}}}}}
>         p = 0x7ffc89e35670
>         ret = 682907128
>         sfbk = 0
> #9  0x000000000052e6b9 in receive_msg (
>     buf=0xae6bc0 "KDMQ sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080> SIP/2.0\r\nVia: SIP/2.0/UDP
> 10.112.101.128;branch=z9hG4bK8791.0c350dd3", '0' <repeats 24 times>,
> ".0\r\nTo: <sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080>>\r\nFrom:
> <sip:usrloc at 10.112.101.128 <mailto:sip%3Ausrloc at 10.112.101.128>"...,
> len=781, rcv_info=0x7ffc89e35a70) at core/receive.c:264
>         msg = 0x7ff028b453f8
>         ctx = {rec_lev = -1981589208, run_flags = 32764, last_retcode
> = 8, jmp_env = {{__jmpbuf = {163, 4253893, 8100093, 140669451683568,
>                 140722621864176, 4845170, 0, 21474836480},
> __mask_was_saved = 673677840, __saved_mask = {__val =
> {140668768878592, 140722621864448,
>                   6697083, 8094080, 5501958, 243141751568,
> 140669476122624, 140722621864896, 4294967295, 88212724672, 1,
> 140668357584160, 0, 33554432,
>                   1024, 6608345520}}}}}
>         bctx = 0x7ffc89e359b0
>         ret = 0
>         stats_on = 0
>         tvb = {tv_sec = 140722621864208, tv_usec = 8961768}
>         tve = {tv_sec = 0, tv_usec = 243139749096}
>         tz = {tz_minuteswest = 50, tz_dsttime = 0}
>         diff = 0
>         inb = {
>           s = 0xae6bc0 "KDMQ sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080> SIP/2.0\r\nVia: SIP/2.0/UDP
> 10.112.101.128;branch=z9hG4bK8791.0c350dd3", '0' <repeats 24 times>,
> ".0\r\nTo: <sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080>>\r\nFrom:
> <sip:usrloc at 10.112.101.128 <mailto:sip%3Ausrloc at 10.112.101.128>"...,
> len = 781}
>         netinfo = {data = {s = 0x7ffc00000001 <Address 0x7ffc00000001
> out of bounds>, len = 0}, dst = 0x1, rcv = 0x389c422190}
>         keng = 0x0
>         __FUNCTION__ = "receive_msg"
> #10 0x00000000006456a3 in udp_rcv_loop () at core/udp_server.c:515
>         len = 781
>         buf = "KDMQ sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080> SIP/2.0\r\nVia: SIP/2.0/UDP
> 10.112.101.128;branch=z9hG4bK8791.0c350dd3", '0' <repeats 24 times>,
> ".0\r\nTo: <sip:usrloc at 10.112.103.64:5080
> <http://sip:usrloc@10.112.103.64:5080>>\r\nFrom:
> <sip:usrloc at 10.112.101.128:5060
> <http://sip:usrloc@10.112.101.128:5060>>;tag=8a3"...
>         tmp = 0x100000000 <Address 0x100000000 out of bounds>
>         from = 0x7ff028b2c728
>         fromlen = 16
>         ri = {src_ip = {af = 2, len = 4, u = {addrl =
> {140722462617610, 140722621864592}, addr32 = {2154131466, 32764,
> 2313378448, 32764}, addr16 = {
>                 28682, 32869, 32764, 0, 23184, 35299, 32764, 0}, addr
> = "\npe\200\374\177\000\000\220Z\343\211\374\177\000"}}, dst_ip = {af = 2,
>             len = 4, u = {addrl = {1080520714, 0}, addr32 =
> {1080520714, 0, 0, 0}, addr16 = {28682, 16487, 0, 0, 0, 0, 0, 0},
>               addr = "\npg@", '\000' <repeats 11 times>}}, src_port =
> 5060, dst_port = 5080, proto_reserved1 = 0, proto_reserved2 = 0,
> src_su = {s = {
>               sa_family = 2, sa_data =
> "\023\304\npe\200\000\000\000\000\000\000\000"}, sin = {sin_family =
> 2, sin_port = 50195, sin_addr = {
>                 s_addr = 2154131466}, sin_zero =
> "\000\000\000\000\000\000\000"}, sin6 = {sin6_family = 2, sin6_port =
> 50195,
> ---Type <return> to continue, or q <return> to quit---
>               sin6_flowinfo = 2154131466, sin6_addr = {__in6_u =
> {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0,
> 0, 0, 0},
>                   __u6_addr32 = {0, 0, 0, 0}}}, sin6_scope_id = 0}},
> bind_address = 0x7ff02830fff0, proto = 1 '\001'}
>         __FUNCTION__ = "udp_rcv_loop"
> #11 0x0000000000423c7d in main_loop () at main.c:1623
>         i = 0
>         pid = 0
>         si = 0x7ff02830fff0
>         si_desc = "udp receiver child=0 sock=10.112.103.64:5080
> <http://10.112.103.64:5080>\000\000\000\000
> _\343\211\374\177\000\000\062\000\000\000\000\000\000\000\000\000\000@\000\000\000\000\000\000\000\002\000\000\000\000PrA\000\000\000\000\000PSn\234\070\000\000\000\060\000\000\000\060\000\000\000\020]\343\211\374\177\000\000@\\\343\211\374\177\000\000\000px\347\357\177\000"
>         nrprocs = 4
>         woneinit = 0
>         __FUNCTION__ = "main_loop"
> #12 0x000000000042b0ce in main (argc=13, argv=0x7ffc89e36008) at
> main.c:2646
>         cfg_stream = 0x1bb5010
>         c = -1
>         r = 0
>         tmp = 0x7ffc89e36ef7 ""
>         tmp_len = 32764
>         port = -1981587768
>         proto = 56
>         options = 0x7434f8
> ":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 = 4012862799
>         rfd = 4
>         debug_save = 0
>         debug_flag = 0
>         dont_fork_cnt = 0
>         n_lst = 0x7ffc89e35f08
>         p = 0x100000000 <Address 0x100000000 out of bounds>
>         st = {st_dev = 64769, st_ino = 148592, st_nlink = 2, st_mode =
> 16877, st_uid = 498, st_gid = 498, __pad0 = 0, st_rdev = 0, st_size =
> 4096,
>           st_blksize = 4096, st_blocks = 8, st_atim = {tv_sec =
> 1576522467, tv_nsec = 972000117}, st_mtim = {tv_sec = 1519927576,
>             tv_nsec = 668342155}, st_ctim = {tv_sec = 1584026268,
> tv_nsec = 165523404}, __unused = {0, 0, 0}}
>         __FUNCTION__ = "main"
> (gdb)
>
> Em ter., 17 de mar. de 2020 às 09:52, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> escreveu:
>
>     Hello,
>
>     does it happen only when doing restart of kamailio? Can you send
>     the full backtrace from gdb?
>
>     Also, 5.0.x is no longer a supported release for quite some time,
>     try to upgrade to 5.2.x or even better to the latest one 5.3.x and
>     see if you can reproduce it with one of the supported releases,
>     maybe it is something that was already fixed.
>
>     Cheers,
>     Daniel
>
>     On 17.03.20 10:32, Virgílio Cunha wrote:
>>     Hello,
>>
>>     I have in production environment with 4 proxies using DMQ to sync
>>     terminal registers and the DMQ configuration parameters is following:
>>     loadmodule "dmq.so"
>>     #modparam("dmq", "server_address",
>>     "sip:MY_IP_ADDRESS:MY_PORT_ADDRESS")
>>     modparam("dmq", "notification_address", "DMQ_HOSTS")
>>     modparam("dmq", "multi_notify", 1)
>>     modparam("dmq", "num_workers", 4)
>>
>>
>>     In the lab environment with the same configuration that in prod,
>>     I can simulate this problem with 12000 terminal REGISTERS and,
>>     when doing several restarts on a proxy, one of them is generated
>>     a coredump. 
>>     Analyzing the core, I can see that the problem is concurrency in
>>     the dmq synchronization. 
>>
>>     Job_queue_size (...) is called with a valid /queue /and, but
>>     inside this function, the /queue /is null.
>>
>>
>>     (gdb) up
>>     #1  0x00007fefe58ee246 in job_queue_size (queue=0x0) at worker.c:254
>>     254             return atomic_get(&queue->count);
>>     (gdb) print queue
>>     $1 = (job_queue_t *) 0x0
>>     (gdb) up
>>     #2  0x00007fefe58ed920 in add_dmq_job (msg=0x7ff028b453f8,
>>     peer=0x7fefebcc4df8) at worker.c:184
>>     184                     if(job_queue_size(workers[i].queue) == 0) {
>>     (gdb) print i
>>     $2 = 1
>>     (gdb) print workers[i].queue
>>     $3 = (job_queue_t *) 0x7fefebce49b0
>>
>>     If I configure DMQ with  num_workers=1 I can't reproduce this
>>     problem.
>>     I'm using the kamailio 5.0.8 release.
>>
>>     Is this problem known to you? What is the right way to solve it?
>>
>>     Best Regards,
>>     Virgílio Cunha
>>
>>     _______________________________________________
>>     Kamailio (SER) - Users Mailing List
>>     sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>
>>     https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
>     -- 
>     Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com>
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda

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