.
Thread 3 (Thread 0x7f15d5163700 (LWP 2484)):
#0  0x00007f15dcbb1773 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  0x00007f15de6fff68 in g_main_context_poll (n_fds=1, fds=0x1571220, timeout=119969, context=0x157b140, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x7f15de70e4c0 <g_poll>
#2  g_main_context_iterate (context=0x157b140, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = 119969
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x1571220
#3  0x00007f15de700792 in g_main_loop_run (loop=0x1571200) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f15d51689cb in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x157b140
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007f15de7252b6 in g_thread_create_proxy (data=0x157b230) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x157b230
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f15dfff4efc in start_thread (arg=0x7f15d5163700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f15d5163700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8068714751490360966, 140733285565200, 139731746044352, 0, 3, 7939143016841116026, 7939165890815359354}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f15dcbbd89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f15d4161700 (LWP 2486)):
#0  0x00007f15dcbb1773 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  0x00007f15de6fff68 in g_main_context_poll (n_fds=5, fds=0x15e1170, timeout=-1, context=0x1579840, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x7f15de70e4c0 <g_poll>
#2  g_main_context_iterate (context=0x1579840, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = <optimized out>
        fds = 0x15e1170
#3  0x00007f15de700792 in g_main_loop_run (loop=0x15797f0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f15df7af516 in gdbus_shared_thread_func (user_data=0x1579810) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276
        data = 0x1579810
#5  0x00007f15de7252b6 in g_thread_create_proxy (data=0x1589eb0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x1589eb0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f15dfff4efc in start_thread (arg=0x7f15d4161700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f15d4161700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8068714751490360966, 139731737647504, 139731729258944, 0, 3, 7939145216938113402, 7939165890815359354}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f15dcbbd89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f15e118c9a0 (LWP 2463)):
#0  0x00007f15dcb123a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = <optimized out>
#1  0x00007f15dcb15b0b in __GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {5, 140733285571131, 25, 139731874846335, 3, 140733285563242, 6, 139731874846339, 2, 140733285563262, 2, 139731874837333, 1, 139731874846335, 3, 140733285563236}}, sa_flags = 12, sa_restorer = 0x7f15dcc39683}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f15dcb4a113 in __libc_message (do_abort=2, fmt=0x7f15dcc3b0d8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff057e84e0, reg_save_area = 0x7fff057e83f0}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff057e84e0, reg_save_area = 0x7fff057e83f0}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f15dcb54a96 in malloc_printerr (action=3, str=0x7f15dcc3b108 "munmap_chunk(): invalid pointer", ptr=<optimized out>) at malloc.c:6283
        buf = "00000000015c1300"
        cp = <optimized out>
#4  0x00007f15de012931 in FreeUPNPUrls () from /tmp/tmp_bV5AH/usr/lib/libminiupnpc.so.5
No symbol table info available.
#5  0x0000000000415d05 in clean_upnp_data (upnp=0x15d2470) at server/vino-upnp.c:61
No locals.
#6  0x0000000000415e3b in update_upnp_status (upnp=0x15d2470) at server/vino-upnp.c:82
        devlist = <optimized out>
        res = <optimized out>
#7  0x00000000004163b8 in update_upnp_status (upnp=0x15d2470) at server/vino-upnp.c:79
No locals.
#8  vino_upnp_add_port (upnp=0x15d2470, port=-1) at server/vino-upnp.c:230
        ext_port = <optimized out>
        int_port = <optimized out>
        desc = <optimized out>
        err = <optimized out>
        local_port = <optimized out>
        int_client_tmp = "\240\205~\005\377\177\000\000\347\367\177\005\377\177\000"
        int_port_tmp = "\001\000\000\000\000"
        __PRETTY_FUNCTION__ = "vino_upnp_add_port"
#9  0x000000000041654e in redo_forward (data=0x15d2470) at server/vino-upnp.c:348
        upnp = 0x15d2470
        port = -1
#10 0x00007f15de70123b in g_timeout_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3907
        timeout_source = 0x15a3910
        again = <optimized out>
#11 0x00007f15de6ffa5d in g_main_dispatch (context=0x14a4650) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
        dispatch = 0x7f15de701220 <g_timeout_dispatch>
        was_in_call = 0
        user_data = 0x15d2470
        callback = 0x416520 <redo_forward>
        cb_funcs = 0x7f15de9af670
        cb_data = 0x15ea380
        current_source_link = {data = 0x15a3910, next = 0x0}
        need_destroy = <optimized out>
        source = 0x15a3910
        current = 0x14f2e20
        i = <optimized out>
#12 g_main_context_dispatch (context=0x14a4650) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
No locals.
#13 0x00007f15de700258 in g_main_context_iterate (context=0x14a4650, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
        max_priority = 2147483647
        timeout = 2000
        some_ready = 1
        nfds = 8
        allocated_nfds = <optimized out>
        fds = <optimized out>
#14 0x00007f15de700792 in g_main_loop_run (loop=0x14464e0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#15 0x000000000040ba1b in main (argc=1, argv=0x7fff057e8888) at server/vino-main.c:256
        vino = {settings = 0x1573a30, display = 0x1495000, listeners = 0x157ffb0, n_screens = 1, sm_client = 0x1485e70, main_loop = 0x14464e0}