Program received signal SIGSEGV, Segmentation fault. 0x00007ffff6ce24d9 in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2

Thread 6 (Thread 0x7ffff1f65700 (LWP 1359)):
#0  runtime.futex () at /usr/lib/go/src/runtime/sys_linux_amd64.s:289
No locals.
#1  0x00007ffff45d9913 in runtime.futexsleep (addr=0xc82005e110, val=0, ns=-1) at /usr/lib/go/src/runtime/os1_linux.go:39
        ts = {tv_sec = 0, tv_nsec = 0}
#2  0x00007ffff45c0868 in runtime.notesleep (n=0xc82005e110) at /usr/lib/go/src/runtime/lock_futex.go:142
        gp = 0xc820060180
#3  0x00007ffff45e2916 in runtime.stopm () at /usr/lib/go/src/runtime/proc1.go:1128
        _g_ = 0xc820060180
#4  0x00007ffff45e3c22 in runtime.findrunnable (gp=0x7ffff7f58138, inheritTime=false) at /usr/lib/go/src/runtime/proc1.go:1530
        i = 16
        gp = 0x7ffff7f58138
        gp = 0x7ffff45b51e5 <runtime.atomicload+5>
        gp = 0x7ffff45e9cfb <runtime.runqget+75>
        gp = 0xc8200185b8
        gp = 0x7fff00000001
        _p_ = 0x2007fff00000001
        _p_ = 0xc82004a000
        _p_ = 0x7ffff45e0c04 <runtime.casgstatus+340>
        _g_ = 0xc820060180
#5  0x00007ffff45e42ab in runtime.schedule () at /usr/lib/go/src/runtime/proc1.go:1639
        inheritTime = false
        gp = 0x0
        _g_ = 0xc820060180
#6  0x00007ffff45e4938 in runtime.goexit0 (gp=0xc820001500) at /usr/lib/go/src/runtime/proc1.go:1765
        _g_ = 0xc820060180
#7  0x00007ffff460bbb3 in runtime.mcall () at /usr/lib/go/src/runtime/asm_amd64.s:204
No locals.
#8  0x000000c82001aa00 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 5 (Thread 0x7ffff2766700 (LWP 1358)):
#0  runtime.futex () at /usr/lib/go/src/runtime/sys_linux_amd64.s:289
No locals.
#1  0x00007ffff45d9913 in runtime.futexsleep (addr=0xc82002ae90, val=0, ns=-1) at /usr/lib/go/src/runtime/os1_linux.go:39
        ts = {tv_sec = 0, tv_nsec = 0}
#2  0x00007ffff45c0868 in runtime.notesleep (n=0xc82002ae90) at /usr/lib/go/src/runtime/lock_futex.go:142
        gp = 0xc820001080
#3  0x00007ffff45e2916 in runtime.stopm () at /usr/lib/go/src/runtime/proc1.go:1128
        _g_ = 0xc820001080
#4  0x00007ffff45e3c22 in runtime.findrunnable (gp=0x7ffff7f58138, inheritTime=false) at /usr/lib/go/src/runtime/proc1.go:1530
        i = 16
        gp = 0x7ffff7f58138
        gp = 0x7ffff45b51e5 <runtime.atomicload+5>
        gp = 0x7ffff45e9cfb <runtime.runqget+75>
        gp = 0xc8200185b8
        gp = 0x7fff00000001
        _p_ = 0x2007fff00000001
        _p_ = 0xc82004a000
        _p_ = 0xc820018000
        _g_ = 0xc820001080
#5  0x00007ffff45e42ab in runtime.schedule () at /usr/lib/go/src/runtime/proc1.go:1639
        inheritTime = false
        gp = 0x0
        _g_ = 0xc820001080
#6  0x00007ffff45e4938 in runtime.goexit0 (gp=0xc820001500) at /usr/lib/go/src/runtime/proc1.go:1765
        _g_ = 0xc820001080
#7  0x00007ffff460bbb3 in runtime.mcall () at /usr/lib/go/src/runtime/asm_amd64.s:204
No locals.
#8  0x000000c820018000 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 4 (Thread 0x7ffff2f67700 (LWP 1357)):
#0  runtime.futex () at /usr/lib/go/src/runtime/sys_linux_amd64.s:289
No locals.
#1  0x00007ffff45d9913 in runtime.futexsleep (addr=0xc82002aa10, val=0, ns=-1) at /usr/lib/go/src/runtime/os1_linux.go:39
        ts = {tv_sec = 0, tv_nsec = 0}
#2  0x00007ffff45c0868 in runtime.notesleep (n=0xc82002aa10) at /usr/lib/go/src/runtime/lock_futex.go:142
        gp = 0xc820000d80
#3  0x00007ffff45e2916 in runtime.stopm () at /usr/lib/go/src/runtime/proc1.go:1128
        _g_ = 0xc820000d80
#4  0x00007ffff45e3c22 in runtime.findrunnable (gp=0x7ffff7f5a048, inheritTime=false) at /usr/lib/go/src/runtime/proc1.go:1530
        i = 16
        gp = 0x7ffff7f5a048
        gp = 0x7ffff45b51e5 <runtime.atomicload+5>
        gp = 0x7ffff45e9cfb <runtime.runqget+75>
        gp = 0xc82001afb8
        gp = 0x7fff00000002
        _p_ = 0x2007fff00000001
        _p_ = 0xc82013e000
        _p_ = 0x7ffff45e0c04 <runtime.casgstatus+340>
        _g_ = 0xc820000d80
#5  0x00007ffff45e42ab in runtime.schedule () at /usr/lib/go/src/runtime/proc1.go:1639
        inheritTime = false
        gp = 0x0
        _g_ = 0xc820000d80
#6  0x00007ffff45e4938 in runtime.goexit0 (gp=0xc820122000) at /usr/lib/go/src/runtime/proc1.go:1765
        _g_ = 0xc820000d80
#7  0x00007ffff460bbb3 in runtime.mcall () at /usr/lib/go/src/runtime/asm_amd64.s:204
No locals.
#8  0x000000c820019500 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 3 (Thread 0x7ffff3768700 (LWP 1356)):
#0  runtime.usleep () at /usr/lib/go/src/runtime/sys_linux_amd64.s:95
No locals.
#1  0x00007ffff45e828e in runtime.sysmon () at /usr/lib/go/src/runtime/proc1.go:2994
        delay = 10000
        unixnow = 1447771255976941101
        scavengelimit = 300000000000
        nscavenge = 0
        now = 512887854141937
        maxsleep = 60000000000
        lasttrace = 0
        lastscavenge = 512880682902989
        lastpoll = 0
        idle = 180
        forcegcperiod = 120000000000
        gp = 0xc820000900
#2  0x00007ffff45e193c in runtime.mstart1 () at /usr/lib/go/src/runtime/proc1.go:721
        _g_ = 0xc820000900
#3  0x00007ffff45e1844 in runtime.mstart () at /usr/lib/go/src/runtime/proc1.go:691
        size = 8388608
#4  0x00007ffff45b04a3 in crosscall_amd64 () at /usr/lib/go/src/runtime/cgo/gcc_amd64.S:35
No locals.
#5  0x00007ffff3768700 in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 2 (Thread 0x7ffff40c9700 (LWP 1355)):
#0  runtime.epollwait () at /usr/lib/go/src/runtime/sys_linux_amd64.s:420
No locals.
#1  0x00007ffff45d9736 in runtime.netpoll (block=true, ~r1=0x0) at /usr/lib/go/src/runtime/netpoll_epoll.go:68
        waitms = -1
        n = 0
        i = 0
        gp = 0
        events = {{events = 0, data = "\000\000\000\000\000\000\000"} <repeats 128 times>}
#2  0x00007ffff45e3b1c in runtime.findrunnable (gp=0x7ffff7f58138, inheritTime=false) at /usr/lib/go/src/runtime/proc1.go:1512
        i = 16
        gp = 0x7ffff7f58138
        gp = 0x7ffff45b51e5 <runtime.atomicload+5>
        gp = 0x7ffff45e9cfb <runtime.runqget+75>
        gp = 0xc8200185b8
        gp = 0x7fff00000003
        _p_ = 0x2007fff00000001
        _p_ = 0xc82004a000
        _p_ = 0x7ffff45e0c04 <runtime.casgstatus+340>
        _g_ = 0x7ffff4d41020 <runtime.g0>
#3  0x00007ffff45e42ab in runtime.schedule () at /usr/lib/go/src/runtime/proc1.go:1639
        inheritTime = false
        gp = 0x0
        _g_ = 0x7ffff4d41020 <runtime.g0>
#4  0x00007ffff45e4938 in runtime.goexit0 (gp=0xc820001680) at /usr/lib/go/src/runtime/proc1.go:1765
        _g_ = 0x7ffff4d41020 <runtime.g0>
#5  0x00007ffff460bbb3 in runtime.mcall () at /usr/lib/go/src/runtime/asm_amd64.s:204
No locals.
#6  0x00007ffff4d41060 in runtime.g0 () from /usr/lib/knot-resolver/tinyweb.so
No symbol table info available.
#7  0x00007ffff40c8de0 in ?? ()
No symbol table info available.
#8  0x00007ffff4d41020 in __bss_start () from /usr/lib/knot-resolver/tinyweb.so
No symbol table info available.
#9  0x00007ffff45e1844 in runtime.mstart () at /usr/lib/go/src/runtime/proc1.go:691
        size = 0
#10 0x00007ffff460baac in runtime.rt0_go () at /usr/lib/go/src/runtime/asm_amd64.s:120
No locals.
#11 0x00007fff00000007 in ?? ()
No symbol table info available.
#12 0x00007fffffffec58 in ?? ()
No symbol table info available.
#13 0x0000000000000007 in ?? ()
No symbol table info available.
#14 0x00007fffffffec58 in ?? ()
No symbol table info available.
#15 0x00007ffff40c9700 in ?? ()
No symbol table info available.
#16 0x00007ffff73600a4 in start_thread (arg=0x7ffff40c9700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7ffff40c9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737287853824, 9002629999368315110, 1, 140737354125408, 140737300792552, 140737287853824, -9002646931782000410, -9002649315297615642}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#17 0x00007ffff670a04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 1 (Thread 0x7ffff7fe5840 (LWP 1354)):
#0  0x00007ffff6ce24d9 in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#1  0x00007ffff6cd9cad in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#2  0x00007ffff6cfef6c in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#3  0x00007ffff6cff4a4 in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#4  0x00007ffff6d0e488 in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#5  0x00007ffff6cd7a88 in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#6  0x00007ffff6d1af60 in lua_pcall () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#7  0x0000000000410709 in l_ffi_call (argc=<optimized out>, L=<optimized out>) at daemon/ffimodule.c:84
        status = -19824
#8  l_ffi_layer_consume (ctx=0xf, pkt=0x0) at daemon/ffimodule.c:180
        L = 0x40000378
#9  0x0000000000414c78 in kr_resolve_consume (request=request@entry=0xda85d0, src=src@entry=0x7fffffffb3e0, packet=packet@entry=0x661e40) at lib/resolve.c:422
        layer = {node = {next = 0x0, prev = 0x0}, state = 4, mm = 0x0, data = 0xda85d0, api = 0x662580}
        mod = <optimized out>
        i = 4
        qname_raw = <optimized out>
        rplan = 0xda8630
        ctx = 0x7fffffffe9f0
        qry = 0xdaa9c0
        tried_tcp = false
#10 0x000000000040de58 in qr_task_step (task=0xda85d0, packet_source=packet_source@entry=0x7fffffffb3e0, packet=0x661e40) at daemon/worker.c:449
        sock_type = -1
        state = <optimized out>
        choice = <optimized out>
#11 0x000000000040e385 in worker_exec (worker=worker@entry=0x7ffff7f94010, handle=handle@entry=0xad72c0, query=<optimized out>, addr=addr@entry=0x7fffffffb3e0) at daemon/worker.c:538
        task = <optimized out>
        is_master_socket = <optimized out>
#12 0x000000000040afa4 in udp_recv (handle=0xad72c0, nread=<optimized out>, buf=<optimized out>, addr=0x7fffffffb3e0, flags=<optimized out>) at daemon/io.c:65
        loop = <optimized out>
        worker = 0x7ffff7f94010
        query = <optimized out>
#13 0x00007ffff7793139 in ?? () from /usr/lib/x86_64-linux-gnu/libuv.so.1
No symbol table info available.
#14 0x00007ffff7794c2a in ?? () from /usr/lib/x86_64-linux-gnu/libuv.so.1
No symbol table info available.
#15 0x00007ffff77875d8 in uv_run () from /usr/lib/x86_64-linux-gnu/libuv.so.1
No symbol table info available.
#16 0x00000000004087c6 in run_worker (engine=0x7fffffffe9f0, loop=0x7ffff799f980) at daemon/main.c:193
        sock_file = 0x62d810 "tty/1354"
        pipe = {data = 0x7fffffffe9f0, loop = 0x7ffff799f980, type = UV_NAMED_PIPE, close_cb = 0x0, handle_queue = {0x6962c0, 0x662270}, u = {fd = 5, reserved = {0x5, 0x17, 0x7ffff7fe9cb8, 
              0x7ffff7de55ce <do_lookup_x+2334>}}, next_closing = 0x0, flags = 24576, write_queue_size = 0, alloc_cb = 0x0, read_cb = 0x0, connect_req = 0x0, shutdown_req = 0x0, io_watcher = {
            cb = 0x7ffff7790540, pending_queue = {0x7fffffffe970, 0x7fffffffe970}, watcher_queue = {0x7fffffffe980, 0x7fffffffe980}, pevents = 1, events = 1, fd = 21}, write_queue = {
            0x7fffffffe9a0, 0x7fffffffe9a0}, write_completed_queue = {0x7fffffffe9b0, 0x7fffffffe9b0}, connection_cb = 0x411010 <tty_accept>, delayed_error = 0, accepted_fd = -1, queued_fds = 0x0, 
          ipc = 0, pipe_fname = 0x62d9b0 "tty/1354"}
#17 main (argc=<optimized out>, argv=<optimized out>) at daemon/main.c:350
        forks = <optimized out>
        addr_set = {at = 0x648470, len = 2, cap = <optimized out>}
        keyfile = 0x6289c0 <keyfile_buf> "/usr/share/dns/root.key"
        config = 0x0
        keyfile_buf = "/usr/share/dns/root.key", '\000' <repeats 4073 times>
        c = <optimized out>
        li = 0
        ret = 0
        opts = {{name = 0x42000d "addr", has_arg = 1, flag = 0x0, val = 97}, {name = 0x41e96c "config", has_arg = 1, flag = 0x0, val = 99}, {name = 0x420422 "keyfile", has_arg = 1, flag = 0x0, 
            val = 107}, {name = 0x42042a "forks", has_arg = 1, flag = 0x0, val = 102}, {name = 0x41e9ae "verbose", has_arg = 0, flag = 0x0, val = 118}, {name = 0x420430 "version", has_arg = 0, 
            flag = 0x0, val = 86}, {name = 0x41e99b "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
        loop = 0x7ffff799f980
        sigint = {data = 0x7ffff7fe9cb8, loop = 0x7ffff799f980, type = UV_SIGNAL, close_cb = 0x97a26e6c, handle_queue = {0x7fffffffe760, 0x7ffff799fa50}, u = {fd = -134308680, reserved = {
              0x7ffff7fe9cb8, 0x7ffff7de55ce <do_lookup_x+2334>, 0x7ffff7ff8160, 0x7fffffffe720}}, next_closing = 0x0, flags = 24576, signal_cb = 0x410fd0 <signal_handler>, signum = 2, 
          tree_entry = {rbe_left = 0x0, rbe_right = 0x7fffffffe740, rbe_parent = 0x0, rbe_color = 0}, caught_signals = 0, dispatched_signals = 0}
        sigterm = {data = 0x7ffff5ec1438, loop = 0x7ffff799f980, type = UV_SIGNAL, close_cb = 0x1000000ab, handle_queue = {0x6616e0, 0x7fffffffe6c0}, u = {fd = -5952, reserved = {0x7fffffffe8c0, 
              0x7ffff7de4c5c <check_match+300>, 0x7fffffffe8e8, 0xd82b830}}, next_closing = 0x0, flags = 24576, signal_cb = 0x410fd0 <signal_handler>, signum = 15, tree_entry = {rbe_left = 0x0, 
            rbe_right = 0x0, rbe_parent = 0x7fffffffe6a0, rbe_color = 1}, caught_signals = 0, dispatched_signals = 0}
        pool = {ctx = 0x648530, alloc = 0x411830 <mp_alloc>, free = 0x0}
        engine = {resolver = {options = 0, opt_rr = 0x6485a0, trust_anchors = {root = 0x632880, malloc = 0x411e50 <malloc_std>, free = 0x411e40 <free_std>, baton = 0x0}, negative_anchors = {
              root = 0x0, malloc = 0x411e50 <malloc_std>, free = 0x411e40 <free_std>, baton = 0x0}, root_hints = {name = 0x6485d8 "", nsset = {root = 0x6486a1, malloc = 0x7ffff7bcb7b0 <mm_alloc>, 
                free = 0x7ffff7bcb7d0 <mm_free>, baton = 0x7fffffffe680}, key = 0x0, trust_anchor = 0x0, parent = 0x0, pool = 0x7fffffffe680}, cache = {db = 0x648cb8, api = 0x7ffff7dda300, 
              stats = {hit = 12770, miss = 13602, insert = 810, delete = 0, txn_read = 4551, txn_write = 998}}, cache_rtt = 0x649550, cache_rep = 0x659590, modules = 0x7fffffffeaf8, 
            pool = 0x7fffffffe680}, net = {loop = 0x7ffff799f980, endpoints = {root = 0x62b911, malloc = 0x411e50 <malloc_std>, free = 0x411e40 <free_std>, baton = 0x0}}, modules = {at = 0x6634a0, 
            len = 8, cap = 10}, storage_registry = {at = 0x661930, len = 1, cap = 5}, pool = 0x7fffffffe680, L = 0x40000378}

The problem manifest itself with dns64 module enabled and with resperf queryfile-example-current dataset.

Here's the kresd-dns64.log file with LuaJIT debugging symbols installed:

Status changed to closed by commit 4b7ebf54

mentioned in commit 4b7ebf54

mentioned in commit 0b973939

mentioned in commit 60a8abe5

mentioned in commit bf52d30b

mentioned in commit 2df42adb