#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {16387, 23, 140623897452360, 128, 140623897397840, 1, 140623897398096, 193, 0, 61783913144387, 140623738901904, 65535, 6860733170392760320, 13366, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007fe590a44535 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 0, 0, 0, 0, 0, 0, 0, 140623953324326, 94269997081600, 140623953318264, 0, 17651246113804436480, 0, 140623897432080, 94270026373040}}, sa_flags = -1921719672, sa_restorer = 0xffffffffffffffff}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fe590c645ef in isc_assertion_failed (file=file@entry=0x7fe590cb769c "../../../lib/isc/timer.c", line=line@entry=392, type=type@entry=isc_assertiontype_require, cond=cond@entry=0x7fe590cb0103 "task != ((void *)0)") at ../../../lib/isc/assertions.c:52
No locals.
#3  0x00007fe590c9245a in isc__timer_create (manager0=0x7fe58d741010, type=<optimized out>, expires=<optimized out>, interval=<optimized out>, task=0x0, action=0x55bcf1af75c0 <connect_timeout>, arg=0x7fe58d74e018, timerp=0x7fe58d74e288) at ../../../lib/isc/timer.c:457
        manager = 0x7fe58d741010
        timer = <optimized out>
        result = <optimized out>
        now = <optimized out>
        _u = <optimized out>
#4  0x000055bcf1aef75a in bringup_timer (query=0x7fe58d74e018, default_timeout=<optimized out>) at ../../../bin/dig/dighost.c:2949
        l = 0x55bcf36f4618
        local_timeout = <optimized out>
        result = <optimized out>
#5  0x000055bcf1af6e22 in send_udp (query=0x7fe58d74e018) at ../../../bin/dig/dighost.c:3135
        l = 0x55bcf36f4618
        result = <optimized out>
        sendbuf = <optimized out>
        next = <optimized out>
#6  0x000055bcf1af76c5 in connect_timeout (task=<optimized out>, event=<optimized out>) at ../../../bin/dig/dighost.c:3265
        l = 0x55bcf36f4618
        query = 0x7fe58d74e018
        cq = <optimized out>
#7  0x00007fe590c8c439 in dispatch (manager=0x7fe58d73f010) at ../../../lib/isc/task.c:1141
        dispatch_count = <optimized out>
        done = isc_boolean_false
        finished = isc_boolean_false
        requeue = isc_boolean_false
        event = 0x7fe58d74cc50
        task = 0x7fe58d740010
        task = <optimized out>
        dispatch_count = <optimized out>
        done = <optimized out>
        requeue = <optimized out>
        finished = <optimized out>
        event = <optimized out>
        was_idle = <optimized out>
#8  run (uap=0x7fe58d73f010) at ../../../lib/isc/task.c:1313
        manager = 0x7fe58d73f010
#9  0x00007fe590c14164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140623897401088, -7591998463925068293, 140732844622238, 140732844622239, 140732844622384, 140623897399168, 7595557682425060859, 7595580383078342139}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#10 0x00007fe590b3cdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.