.
Thread 6 (Thread 0x7f16ca60e700 (LWP 18592)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f16dda2ed43 in g_cond_wait () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f16de7a2383 in ev_job_thread_proxy (data=<optimized out>) at ev-job-scheduler.c:211
        job = 0x0
#3  0x00007f16dda0c121 in g_thread_proxy () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f16dd828669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139735861356288, -7083129072768234819, 140720513776654, 140720513776655, 140720513776800, 139735861353600, 7178244551866862269, 7178193169468246717}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#5  0x00007f16dd7502f3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 5 (Thread 0x7f16b77bf700 (LWP 18671)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f16dda2ee66 in g_cond_wait_until () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f16dd9b33e1 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f16dd9b3a06 in g_async_queue_timeout_pop () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f16dda0c909 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f16dda0c121 in g_thread_proxy () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f16dd828669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139735544362752, -7083129072768234819, 140720513775598, 140720513775599, 140720513775744, 139735544360064, 7178391825758571197, 7178193169468246717}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#7  0x00007f16dd7502f3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7f16db9ac700 (LWP 18583)):
#0  0x00007f16dd743bff in __GI___poll (fds=0x560e3a234650, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f16dd9e2a4e in g_main_context_iterate.isra () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f16dd9e2b83 in g_main_context_iteration () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f16dd9e2bd1 in glib_worker_main () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f16dda0c121 in g_thread_proxy () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f16dd828669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139736150361856, -7083129072768234819, 140720513776558, 140720513776559, 140720513776704, 139736150359168, 7178206293371931325, 7178193169468246717}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f16dd7502f3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7f16da944700 (LWP 18585)):
#0  0x00007f16dd743bff in __GI___poll (fds=0x7f16cc00fba0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f16dd9e2a4e in g_main_context_iterate.isra () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f16dd9e2dd3 in g_main_loop_run () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f16ddc5b4fa in gdbus_shared_thread_func (user_data=0x7f16cc00dbf0) at ../../../gio/gdbusprivate.c:279
        data = 0x7f16cc00dbf0
#4  0x00007f16dda0c121 in g_thread_proxy () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f16dd828669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139736133158656, -7083129072768234819, 139736141834590, 139736141834591, 139736141834736, 139736133155968, 7178208436560612029, 7178193169468246717}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f16dd7502f3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f16da143700 (LWP 18586)):
#0  0x00007f16dd743bff in __GI___poll (fds=0x560e3a24a1e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f16dd9e2a4e in g_main_context_iterate.isra () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f16dd9e2b83 in g_main_context_iteration () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f16da94f81d in dconf_gdbus_worker_thread (user_data=0x560e3a24a7a0) at ../gdbus/dconf-gdbus-thread.c:82
        context = 0x560e3a24a7a0
#4  0x00007f16dda0c121 in g_thread_proxy () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f16dd828669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139736124765952, -7083129072768234819, 140720513776046, 140720513776047, 140720513776192, 139736124763264, 7178209536609110717, 7178193169468246717}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007f16dd7502f3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f16dc21fa80 (LWP 18581)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 29, 140720513774016, 16, 0, 0, 0, 139736182262656, 94619110399792, 62, 62, 94619110399776, 8299974088973025281, 7651444712942105465, 8299971803987735919, 499917742959}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f16dd653899 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x7f16de3c7047, sa_sigaction = 0x7f16de3c7047}, sa_mask = {__val = {8, 8, 139736184166777, 139736184497850, 139736184862684, 18446744073709551615, 139736184497647, 94619110399792, 18446744073709551615, 139736184497666, 15331104403937056512, 0, 0, 0, 94619110399792, 139736194510919}}, sa_flags = 0, sa_restorer = 0x8}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f16dd6be38e in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f16dd7e73a5 "%s\n") at ../sysdeps/posix/libc_fatal.c:181
        ap = {{gp_offset = 24, fp_offset = 22030, overflow_arg_area = 0x7ffc0c3c76b0, reg_save_area = 0x7ffc0c3c7640}}
        fd = 2
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f16dd6c64dc in malloc_printerr (str=str@entry=0x7f16dd7e90c0 "double free or corruption (!prev)") at malloc.c:5332
No locals.
#4  0x00007f16dd6c817c in _int_free (av=0x7f16dd818b80 <main_arena>, p=0x560e3a72c2c0, have_lock=<optimized out>) at malloc.c:4317
        size = 160
        fb = <optimized out>
        nextchunk = 0x560e3a72c360
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        __PRETTY_FUNCTION__ = "_int_free"
#5  0x00007f16dd9c3297 in g_datalist_clear () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f16ddf6abad in gdk_wayland_drag_context_finalize () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#7  0x00007f16ddad2c0e in g_object_unref () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f16de391647 in gtk_drag_source_info_destroy (info=<optimized out>) at ../../../../gtk/gtkdnd.c:2832
        context = <optimized out>
        last_event = <optimized out>
#9  0x00007f16de392c59 in gtk_drag_drop_finished (info=0x560e3a72c2d0, result=GTK_DRAG_RESULT_ERROR, time=<optimized out>) at ../../../../gtk/gtkdnd.c:2602
        success = 0
#10 0x00007f16ddacd6e2 in g_closure_invoke () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f16ddae1544 in signal_emit_unlocked_R () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f16ddaea327 in g_signal_emit_valist () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007f16ddaea9b3 in g_signal_emit () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f16ddf72249 in data_source_cancelled () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#15 0x00007f16dc6bc81e in ffi_call_unix64 () at ../src/x86/unix64.S:76
No locals.
#16 0x00007f16dc6bc1ef in ffi_call (cif=cif@entry=0x7ffc0c3c7db0, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7ffc0c3c7e80) at ../src/x86/ffi64.c:525
        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 3698053216, 32534}
        stack = <optimized out>
        argp = <optimized out>
        arg_types = <optimized out>
        gprcount = <optimized out>
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = <optimized out>
#17 0x00007f16dcadd318 in wl_closure_invoke (closure=closure@entry=0x560e3ade00d0, flags=flags@entry=1, target=<optimized out>, target@entry=0x560e3a7bdf10, opcode=opcode@entry=2, data=<optimized out>) at ../src/connection.c:1014
        count = 0
        cif = {abi = FFI_UNIX64, nargs = 2, arg_types = 0x7ffc0c3c7dd0, rtype = 0x7f16dc6bd180 <ffi_type_void>, bytes = 0, flags = 0}
        ffi_types = {0x7f16dc6bd060 <ffi_type_pointer>, 0x7f16dc6bd060 <ffi_type_pointer>, 0x7f16dc6bd0e0 <ffi_type_uint32>, 0x7f16dd834222 <__libc_recvmsg+98>, 0x0, 0x74, 0x7ffc0c3c7e70, 0x4000004000000001, 0x4, 0x7f16dcadd9d5 <wl_os_recvmsg_cloexec+37>, 0x0, 0x7ffc0c3c7e70, 0x560e3a224eb0, 0x0, 0x560e3a224e40, 0x7ffc0c3c8070, 0x0, 0x7f16dcadbdc1 <wl_connection_read+241>, 0x7ffc0c3c7ea0, 0x560e3a226ec0, 0x0, 0xd4c3063a00000000}
        ffi_args = {0x7ffc0c3c7da0, 0x7ffc0c3c7da8, 0x7ffc0c3c7ed0, 0x0, 0x560e40000000, 0x7f16dcadc135 <wl_closure_clear_fds+53>, 0xdcae2f61, 0xd4c3063a4b185700, 0x1, 0x7f16dcadc30e <wl_closure_init+174>, 0x7ffc0c3c7f40, 0x560e3a28af10, 0x560e3a224d60, 0x1, 0x560e3a224eb0, 0x7f16dcadcc6b <wl_connection_demarshal+235>, 0x560e3ae2909c, 0x560e3a224eb0, 0x560e3ae29088, 0x560e3ae28fa0, 0x143ade00d0, 0x7f16dcadd06f <wl_closure_lookup_objects+111>}
        implementation = <optimized out>
#18 0x00007f16dcad9c48 in dispatch_event (display=display@entry=0x560e3a224d60, queue=<optimized out>) at ../src/wayland-client.c:1430
        closure = 0x560e3ade00d0
        proxy = 0x560e3a7bdf10
        opcode = 2
        proxy_destroyed = <optimized out>
#19 0x00007f16dcadb19c in dispatch_queue (queue=0x560e3a224e28, display=0x560e3a224d60) at ../src/wayland-client.c:1576
        count = 0
        count = <optimized out>
#20 wl_display_dispatch_queue_pending (display=0x560e3a224d60, queue=0x560e3a224e28) at ../src/wayland-client.c:1818
        ret = <optimized out>
#21 0x00007f16ddf6b738 in _gdk_wayland_display_queue_events () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#22 0x00007f16ddf08094 in gdk_display_get_event () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#23 0x00007f16ddf6b436 in gdk_event_source_dispatch () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#24 0x00007f16dd9e285d in g_main_context_dispatch () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#25 0x00007f16dd9e2ae0 in g_main_context_iterate.isra () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x00007f16dd9e2b83 in g_main_context_iteration () from /tmp/apport_sandbox_kw6nclvl/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007f16ddc1fa65 in g_application_run (application=0x560e3a49f0f0, argc=<optimized out>, argv=<optimized out>) at ../../../gio/gapplication.c:2559
        arguments = 0x560e3a3db9c0
        status = 0
        context = 0x560e3a23d850
        acquired_context = 1
        __FUNCTION__ = "g_application_run"
#28 0x0000560e3a10681b in main (argc=<optimized out>, argv=<optimized out>) at main.c:316
        application = 0x560e3a49f0f0
        context = <optimized out>
        error = 0x0
        status = <optimized out>