.
Thread 6 (Thread 0x7f6c6bdf2700 (LWP 2433)):
#0  0x00007f6c813d1901 in __GI___poll (fds=0x559ef75f59f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f6c81913169 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x559ef75f59f0, timeout=<optimized out>, context=0x559ef75f5ab0) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f6c81922640 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x559ef75f5ab0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x559ef75f59f0
#3  0x00007f6c8191327c in g_main_context_iteration (context=context@entry=0x559ef75f5ab0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#4  0x00007f6c6bdfa46d in dconf_gdbus_worker_thread (user_data=0x559ef75f5ab0) at dconf-gdbus-thread.c:82
        context = 0x559ef75f5ab0
#5  0x00007f6c8193a645 in g_thread_proxy (data=0x559ef75da1e0) at ../../../../glib/gthread.c:784
        thread = 0x559ef75da1e0
#6  0x00007f6c816b07fc in start_thread (arg=0x7f6c6bdf2700) at pthread_create.c:465
        pd = 0x7f6c6bdf2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140103642982144, -2569334318737732112, 140726884176974, 140726884176975, 140103642982144, 140103642982848, 2490265962671689200, 2490181471213112816}, 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"
#7  0x00007f6c813ddb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 5 (Thread 0x7f6c698e7700 (LWP 2676)):
#0  0x00007f6c813d1901 in __GI___poll (fds=0x559ef762a700, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f6c81913169 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x559ef762a700, timeout=<optimized out>, context=0x559ef762d5c0) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f6c81922640 <g_poll>
#2  g_main_context_iterate (context=0x559ef762d5c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x559ef762a700
#3  0x00007f6c81913502 in g_main_loop_run (loop=0x7f6c60001310) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#4  0x00007f6c82722a23 in cal_client_dbus_thread (user_data=0x559ef762d5c0) at ./src/calendar/libecal/e-cal-client.c:315
        main_context = 0x559ef762d5c0
        main_loop = 0x7f6c60001310
#5  0x00007f6c8193a645 in g_thread_proxy (data=0x559ef75da8f0) at ../../../../glib/gthread.c:784
        thread = 0x559ef75da8f0
#6  0x00007f6c816b07fc in start_thread (arg=0x7f6c698e7700) at pthread_create.c:465
        pd = 0x7f6c698e7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140103604139776, -2569334318737732112, 140726884179070, 140726884179071, 140103604139776, 140103604140480, 2490269661175401968, 2490181471213112816}, 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"
#7  0x00007f6c813ddb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7f6c788c1700 (LWP 2403)):
#0  0x00007f6c813d1901 in __GI___poll (fds=0x7f6c6c0109a0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f6c81913169 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f6c6c0109a0, timeout=<optimized out>, context=0x7f6c6c00e6c0) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f6c81922640 <g_poll>
#2  g_main_context_iterate (context=0x7f6c6c00e6c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f6c6c0109a0
#3  0x00007f6c81913502 in g_main_loop_run (loop=0x7f6c6c00e800) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#4  0x00007f6c81efcb26 in gdbus_shared_thread_func (user_data=0x7f6c6c00e690) at ../../../../gio/gdbusprivate.c:275
        data = 0x7f6c6c00e690
#5  0x00007f6c8193a645 in g_thread_proxy (data=0x559ef75daad0) at ../../../../glib/gthread.c:784
        thread = 0x559ef75daad0
#6  0x00007f6c816b07fc in start_thread (arg=0x7f6c788c1700) at pthread_create.c:465
        pd = 0x7f6c788c1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140103855642368, -2569334318737732112, 140103864032014, 140103864032015, 140103855642368, 140103855643072, 2490232298181152240, 2490181471213112816}, 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"
#7  0x00007f6c813ddb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7f6c6b5f1700 (LWP 2434)):
#0  0x00007f6c813d1901 in __GI___poll (fds=0x7f6c5c0ca620, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f6c81913169 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f6c5c0ca620, timeout=<optimized out>, context=0x559ef75f66a0) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f6c81922640 <g_poll>
#2  g_main_context_iterate (context=0x559ef75f66a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f6c5c0ca620
#3  0x00007f6c81913502 in g_main_loop_run (loop=0x559ef75f67e0) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#4  0x00007f6c82232431 in source_registry_object_manager_thread (data=0x559ef75dd780) at ./src/libedataserver/e-source-registry.c:1167
        object_manager = 0x559ef75ebd70
        closure = 0x559ef75dd780
        idle_source = 0x7f6c5c0ca820
        list = <optimized out>
        link = <optimized out>
        object_added_handler_id = 307
        object_removed_handler_id = 308
        notify_name_owner_handler_id = 309
        __func__ = "source_registry_object_manager_thread"
#5  0x00007f6c8193a645 in g_thread_proxy (data=0x559ef75da230) at ../../../../glib/gthread.c:784
        thread = 0x559ef75da230
#6  0x00007f6c816b07fc in start_thread (arg=0x7f6c6b5f1700) at pthread_create.c:465
        pd = 0x7f6c6b5f1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140103634589440, -2569334318737732112, 140726884178862, 140726884178863, 140103634589440, 140103634590144, 2490264862623190512, 2490181471213112816}, 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"
#7  0x00007f6c813ddb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f6c798c3700 (LWP 2401)):
#0  0x00007f6c813d1901 in __GI___poll (fds=0x559ef75db050, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f6c81913169 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x559ef75db050, timeout=<optimized out>, context=0x559ef75d9d30) at ../../../../glib/gmain.c:4187
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f6c81922640 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x559ef75d9d30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3881
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x559ef75db050
#3  0x00007f6c8191327c in g_main_context_iteration (context=0x559ef75d9d30, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
        retval = <optimized out>
#4  0x00007f6c819132c1 in glib_worker_main (data=<optimized out>) at ../../../../glib/gmain.c:5742
No locals.
#5  0x00007f6c8193a645 in g_thread_proxy (data=0x559ef75da000) at ../../../../glib/gthread.c:784
        thread = 0x559ef75da000
#6  0x00007f6c816b07fc in start_thread (arg=0x7f6c798c3700) at pthread_create.c:465
        pd = 0x7f6c798c3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140103872427776, -2569334318737732112, 140726884179662, 140726884179663, 140103872427776, 140103872428480, 2490234496130665968, 2490181471213112816}, 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"
#7  0x00007f6c813ddb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f6c82b418c0 (LWP 2400)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 9187201950435737471 <repeats 15 times>}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007f6c81301f5d in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f7f7f7f7f7f7f7f, sa_sigaction = 0x7f7f7f7f7f7f7f7f}, sa_mask = {__val = {9187201950435737471 <repeats 14 times>, 140726884178400, 140726884179008}}, sa_flags = 4096, sa_restorer = 0x14}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f6c8134a28d in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f6c814714e8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:181
        ap = {{gp_offset = 40, fp_offset = 2139062143, overflow_arg_area = 0x7ffd87f11c50, reg_save_area = 0x7ffd87f11be0}}
        fd = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f6c8135164a in malloc_printerr (action=<optimized out>, str=0x7f6c8146de6e "free(): invalid pointer", ptr=<optimized out>, ar_ptr=<optimized out>) at malloc.c:5425
        buf = "0000559ef762f960"
        cp = <optimized out>
        ar_ptr = <optimized out>
        ptr = <optimized out>
        str = 0x7f6c8146de6e "free(): invalid pointer"
        action = <optimized out>
#4  0x00007f6c8135373e in _int_free (av=0x7f6c816a3c20 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4174
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
#5  0x00007f6c813583fe in __GI___libc_free (mem=<optimized out>) at malloc.c:3144
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = <optimized out>
#6  0x00007f6c8191866a in g_free (mem=<optimized out>) at ../../../../glib/gmem.c:189
No locals.
#7  0x00007f6c8273679a in e_cal_component_free_datetime (dt=0x7ffd87f11e48) at ./src/calendar/libecal/e-cal-component.c:5042
No locals.
#8  0x00007f6c8272c690 in process_detached_instances (tz_cb=0x7f6c8272bd40 <e_cal_client_resolve_tzid_cb>, default_timezone=0x559ef77228f0, tz_cb_data=0x559ef762f960, detached_instances=0x559ef77574a0, instances=0x559ef7757640) at ./src/calendar/libecal/e-cal-client.c:2562
        instance_uid = 0x559ef77c42f0 "vqrbi3v2vln20uc2q1ki6lgobo@google.com"
        cmp = <optimized out>
        instance_recur_id = {type = E_CAL_COMPONENT_RANGE_SINGLE, datetime = {value = 0x0, tzid = 0x559ef762f960 "\340\317b\367\236U"}}
        i_rid = <optimized out>
        il = 0x559ef7757640
        uid = 0x559ef776cbb0 "A31792A4-2366-47C6-AC4B-CD3E24B86CC2"
        processed = 0
        recur_id = {type = E_CAL_COMPONENT_RANGE_SINGLE, datetime = {value = 0x559ef775b950, tzid = 0x559ef775b070 "UTC"}}
        d_rid = 1510065000
        ci = 0x559ef77cae60
        cid = 0x559ef77c36c0
        dl = 0x559ef77574a0
        unprocessed_instances = 0x0
#9  generate_instances (client=client@entry=0x559ef762f960, start=start@entry=1509361920, end=end@entry=1512990720, objects=<optimized out>, cancellable=cancellable@entry=0x0, cb=cb@entry=0x559ef58db180 <generate_instances_cb>, cb_data=0x7ffd87f11f20) at ./src/calendar/libecal/e-cal-client.c:2731
        instances = 0x559ef7757640
        detached_instances = <optimized out>
        l = <optimized out>
        priv = <optimized out>
        default_zone = 0x559ef77228f0
        __func__ = "generate_instances"
#10 0x00007f6c8272ca8c in e_cal_client_generate_instances_sync (client=0x559ef762f960, start=1509361920, end=1512990720, cb=0x559ef58db180 <generate_instances_cb>, cb_data=0x7ffd87f11f20) at ./src/calendar/libecal/e-cal-client.c:3086
        objects = <optimized out>
        __func__ = "e_cal_client_generate_instances_sync"
#11 0x0000559ef58dbc4e in app_load_events (app=0x559ef75e8b50) at ../src/calendar-server/gnome-shell-calendar-server.c:632
        cal = 0x559ef762f960
        error = 0x0
        view = 0x559ef762ad20
        data = {client = 0x559ef762f960, appointments = 0x559ef75fa580}
        clients = 0x7f6c70001c00
        l = 0x7f6c6000cae0
        ll = <optimized out>
        since_iso8601 = 0x559ef76162f0 "20171030T111200Z"
        until_iso8601 = 0x559ef76314a0 "20171211T111200Z"
        query = 0x559ef7633b00 "occur-in-time-range? (make-time \"20171030T111200Z\") (make-time \"20171211T111200Z\") \"Europe/Paris\""
        tz_location = <optimized out>
#12 0x0000559ef58dbf3f in handle_method_call (connection=<optimized out>, sender=sender@entry=0x7f6c7001b7c0 ":1.25", object_path=object_path@entry=0x7f6c60027890 "/org/gnome/Shell/CalendarServer", interface_name=interface_name@entry=0x7f6c70039290 "org.gnome.Shell.CalendarServer", method_name=method_name@entry=0x7f6c70013490 "GetEvents", parameters=parameters@entry=0x7f6c7001fa90, invocation=0x7f6c7005ec10, user_data=0x559ef75e8b50) at ../src/calendar-server/gnome-shell-calendar-server.c:836
        builder = {u = {s = {partial_magic = 94141243635120, type = 0x7f6c0000027b, y = {206158430240, 206158430224, 140726884180304, 140726884180064, 206158430232, 140726884180240, 140726884180224, 0, 94141243261144, 5466833021176655104, 94141243635616, 140103443830920, 94141243659424, 94141243665408}}, x = {94141243635120, 140101833196155, 206158430240, 206158430224, 140726884180304, 140726884180064, 206158430232, 140726884180240, 140726884180224, 0, 94141243261144, 5466833021176655104, 94141243635616, 140103443830920, 94141243659424, 94141243665408}}}
        hash_iter = {dummy1 = 0x100, dummy2 = 0x559ef762b7a0, dummy3 = 0x7f6c8274fef4, dummy4 = 0, dummy5 = 0, dummy6 = 0x7f6c6001ca90}
        a = 0x559ef762df28
        since = 1509361920
        until = 1512990720
        force_reload = 1
        window_changed = <optimized out>
        app = 0x559ef75e8b50
        __func__ = "handle_method_call"
#13 0x00007f6c81eed3cc in call_in_idle_cb (user_data=0x7f6c7005ec10) at ../../../../gio/gdbusconnection.c:4851
        invocation = 0x7f6c7005ec10
        vtable = <optimized out>
        registration_id = <optimized out>
        subtree_registration_id = <optimized out>
        __func__ = "call_in_idle_cb"
#14 0x00007f6c81912e25 in g_main_dispatch (context=0x559ef75d6d20) at ../../../../glib/gmain.c:3148
        dispatch = 0x7f6c8190f760 <g_idle_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x7f6c7005ec10
        callback = 0x7f6c81eed2e0 <call_in_idle_cb>
        cb_funcs = 0x7f6c81bda280 <g_source_callback_funcs>
        cb_data = 0x7f6c7003d0d0
        need_destroy = <optimized out>
        source = 0x7f6c7001c0b0
        current = 0x559ef75d2e30
        i = 0
#15 g_main_context_dispatch (context=context@entry=0x559ef75d6d20) at ../../../../glib/gmain.c:3813
No locals.
#16 0x00007f6c819131f0 in g_main_context_iterate (context=0x559ef75d6d20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3886
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 2
        fds = 0x559ef75e6d70
#17 0x00007f6c81913502 in g_main_loop_run (loop=0x559ef75d6e30) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#18 0x0000559ef58dab1a in main (argc=<optimized out>, argv=<optimized out>) at ../src/calendar-server/gnome-shell-calendar-server.c:1056
        error = 0x0
        opt_context = 0x559ef75d6c40
        main_loop = 0x559ef75d6e30
        ret = 1
        name_owner_id = 1
        stdin_channel = 0x559ef75d1f40
        __func__ = "main"