.
Thread 4 (Thread 0x7f76a4951700 (LWP 2172)):
#0  0x00007f76ac53fb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f76ac85dff6 in g_main_context_poll (n_fds=5, fds=0x7f7698006a30, timeout=-1, context=0x7f76a000dfb0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7f76ac86af10 <g_spaced_primes_closest>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f76a000dfb0, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f7698006a30
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7f76a000dfb0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = -1744803280
#4  0x00007f76ac85e45a in g_main_loop_run (loop=0x7f76a000df60) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f76ad0e12a6 in flush_data_list_complete (flushers=<optimized out>, error=0x7f76a61c28f0) at /build/buildd/glib2.0-2.32.1/./gio/gdbusprivate.c:1159
        l = 0x0
#6  0x00007f76b07f8e9a in start_thread (arg=0x7f76a4951700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f76a4951700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3424253405908368424, 140147569731824, 140147544103360, 0, 3, 3357383500583470040, 3357428387221668824}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = -1610566656
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f76ac54b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f769f59d700 (LWP 2180)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f76ac8998f5 in g_cond_wait_until (cond=0x25930f8, mutex=<optimized out>, end_time=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gthread-posix.c:859
        ts = {tv_sec = 74, tv_nsec = 724421000}
        status = -516
#2  0x00007f76ac8341c1 in g_async_queue_pop_intern_unlocked (queue=0x25930f0, wait=1, end_time=74724421) at /build/buildd/glib2.0-2.32.1/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f76ac8347da in g_async_queue_timeout_pop (queue=0x25930f0, timeout=15000000) at /build/buildd/glib2.0-2.32.1/./glib/gasyncqueue.c:545
        end_time = 74724421
        retval = <optimized out>
#4  0x00007f76ac880134 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.32.1/./glib/gthreadpool.c:179
        pool = 0xfffffffffffffdfc
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007f76ac87f9b5 in g_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:783
No locals.
#7  g_thread_proxy (data=0x258e720) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:779
        thread = 0x258e720
#8  0x00007f76b07f8e9a in start_thread (arg=0x7f769f59d700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f769f59d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3424253405908368424, 140733386065584, 140147456334272, 0, 3, 3357333573736137688, 3357428387221668824}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007f76ac54b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f76a61c3700 (LWP 2167)):
#0  0x00007f76ac53fb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f76ac85dff6 in g_main_context_poll (n_fds=1, fds=0x7f76a00010e0, timeout=-1, context=0x2461410, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7f76ac86af10 <g_spaced_primes_closest>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x2461410, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f76a00010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x2461410, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = -1610608416
#4  0x00007f76ac85e45a in g_main_loop_run (loop=0x7f76a00010c0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f76a6a0498b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x2461410
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f76ac87f9b5 in g_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:783
No locals.
#7  g_thread_proxy (data=0x2459e30) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:779
        thread = 0x2459e30
#8  0x00007f76b07f8e9a in start_thread (arg=0x7f76a61c3700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f76a61c3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3424253405908368424, 140733386064784, 140147569736128, 0, 3, 3357389074377278424, 3357428387221668824}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007f76ac54b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f76b0e19980 (LWP 2164)):
#0  0x00007f76ac48f445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 2164
#1  0x00007f76ac492bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {5, 140733386070684, 25, 140147674658308, 3, 140733386063034, 6, 140147674658312, 2, 140733386063054, 2, 140147674649328, 1, 140147674658308, 3, 140733386063028}}, sa_flags = 12, sa_restorer = 0x7f76ac5d3608}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f76ac4cce2e in __libc_message (do_abort=2, fmt=0x7f76ac5d50d0 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff0b7c0630, reg_save_area = 0x7fff0b7c0540}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff0b7c0630, reg_save_area = 0x7fff0b7c0540}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f76ac4d7626 in malloc_printerr (action=3, str=0x7f76ac5d2081 "free(): invalid pointer", ptr=<optimized out>) at malloc.c:5007
        buf = "00007f76ac80f778"
        cp = <optimized out>
#4  0x00007f76af00a6d1 in FreeUPNPUrls (urls=0x2607580) at miniupnpc.c:759
No locals.
#5  0x0000000000416255 in clean_upnp_data (upnp=0x25fb1f0) at server/vino-upnp.c:61
No locals.
#6  0x00000000004162dd in update_upnp_status (upnp=0x25fb1f0) at server/vino-upnp.c:83
        devlist = <optimized out>
        res = <optimized out>
        upnperror = 0
#7  0x0000000000416880 in vino_upnp_add_port (upnp=0x25fb1f0, port=-1) at server/vino-upnp.c:231
        ext_port = <optimized out>
        int_port = <optimized out>
        desc = <optimized out>
        err = <optimized out>
        local_port = <optimized out>
        int_client_tmp = "\274\233`\002\000\000\000\000\340nH\002\000\000\000"
        int_port_tmp = "\200XY\002\000"
        __PRETTY_FUNCTION__ = "vino_upnp_add_port"
#8  0x0000000000416ade in redo_forward (data=0x25fb1f0) at server/vino-upnp.c:355
        upnp = 0x25fb1f0
        port = -1
#9  0x00007f76ac85e8db in g_timeout_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3859
        timeout_source = 0x2614220
        again = <optimized out>
#10 0x00007f76ac85dc9a in g_main_dispatch (context=0x245d0e0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:2515
        dispatch = 0x7f76ac85e8c0 <g_timeout_dispatch>
        was_in_call = 0
        user_data = 0x25fb1f0
        callback = 0x416ab0 <redo_forward>
        cb_funcs = 0x7f76acb099a0
        cb_data = 0x24b72f0
        current_source_link = {data = 0x2614220, next = 0x0}
        need_destroy = <optimized out>
        source = 0x2614220
        current = 0x258e000
        i = <optimized out>
#11 g_main_context_dispatch (context=0x245d0e0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3052
No locals.
#12 0x00007f76ac85e060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x245d0e0, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3123
        timeout = 1084
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 8
        allocated_nfds = <optimized out>
#13 g_main_context_iterate (context=0x245d0e0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = 1
#14 0x00007f76ac85e45a in g_main_loop_run (loop=0x244b7a0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#15 0x000000000040bddb in main (argc=1, argv=0x7fff0b7c09c8) at server/vino-main.c:260
        vino = {settings = 0x258e680, display = 0x2494060, listeners = 0x244a490, n_screens = 1, sm_client = 0x258b400, main_loop = 0x244b7a0}