RTPengine LTS 13.5.1.1-1 crashing

[Giovanni Jose]

Hello Richard

We are having crashes on our RTPengines the version is LTS 13.5.1.1-1.
I pasted the backtrace generated by the coredump of one of them to see if you can help us spot the issue.

#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {139861290729472}}
        ret = <optimized out>
#1  0x00007f340b0b7f4f in __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
No locals.
#2  0x00007f340b068fb2 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x00007f340b053472 in __GI_abort () at ./stdlib/abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20}, sa_mask = {__val = {59, 139860778384480, 18, 7, 139860778208208, 0, 0, 139861292821640, 16769742199205260800, 5, 18446744073709550248, 0, 139861529121740, 59, 139861529121904, 139861290729472}},
          sa_flags = 185360207, sa_restorer = 0x7f340b1c547c <_nl_C_name>}
#4  0x00007f340b053395 in __assert_fail_base (fmt=0x7f340b1c8a90 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f340cc2d470 "(mosq->msgs_out.inflight) != NULL", file=file@entry=0x7f340cc2d3cc "./lib/messages_mosq.c", line=line@entry=59,
    function=function@entry=0x7f340cc2d560 "message__cleanup_all") at ./assert/assert.c:94
        str = 0x7f33e0037c60 "W\030=\0234\177"
        total = 4096
#5  0x00007f340b061ec2 in __GI___assert_fail (assertion=0x7f340cc2d470 "(mosq->msgs_out.inflight) != NULL", file=0x7f340cc2d3cc "./lib/messages_mosq.c", line=59, function=0x7f340cc2d560 "message__cleanup_all") at ./assert/assert.c:103
No locals.
#6  0x00007f340cc23546 in ?? () from /lib/x86_64-linux-gnu/libmosquitto.so.1
No symbol table info available.
#7  0x00007f340cc2437e in ?? () from /lib/x86_64-linux-gnu/libmosquitto.so.1
No symbol table info available.
#8  0x00007f340cc24594 in mosquitto_reinitialise () from /lib/x86_64-linux-gnu/libmosquitto.so.1
No symbol table info available.
#9  0x000055885e30af13 in mqtt_connect () at ./daemon/mqtt.c:50
        ret = <optimized out>
        ret = <optimized out>
        __loglevel = <optimized out>
        __loglevel = <optimized out>
        __loglevel = <optimized out>
        __loglevel = <optimized out>
        __loglevel = <optimized out>
        __loglevel = <optimized out>
        __loglevel = <optimized out>
#10 mqtt_loop (dummy=<optimized out>) at ./daemon/mqtt.c:103
        errors = <optimized out>
#11 0x000055885e247057 in thread_detach_func (d=<optimized out>) at ./daemon/helpers.c:264
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {139860778165328, 1853129603425183531, 94044710493808, 19, 140723829904080, 139861290729472, 1853124405522802475, 5530666386598602539}, __mask_was_saved = 0}}, __pad = {0x7f33fead2eb0, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x55885e243030 <thread_detach_cleanup>
        __cancel_arg = 0x55887d8fde70
        __not_first_call = <optimized out>
        dt = <optimized out>
        t = <optimized out>
        scheduler = <optimized out>
#12 0x00007f340b0b61f5 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139861292828352, -1742783593181403349, -1368, 19, 140723829904080, 139861290729472, 1853124405547968299, 1853360546643519275}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
              canceltype = 0}}}
        not_first_call = <optimized out>
#13 0x00007f340b135b40 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.