.
Thread 4 (LWP 19928):
#0  0x00007f578ca1e3cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f578d5042bc in glib_worker_main (data=0x7f5774008ec0) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:5424
No locals.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 20911):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f578d543c55 in g_private_set (key=0x1665a14, value=0x89) at /build/buildd/glib2.0-2.35.8/./glib/gthread-posix.c:1027
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00000000262ea498 in ?? ()
No symbol table info available.
#3  0x0000000000003a98 in ?? ()
No symbol table info available.
#4  0x0000000001669b98 in ?? ()
No symbol table info available.
#5  0x0000000001669b80 in ?? ()
No symbol table info available.
#6  0x00007f578d4d9bb1 in g_async_queue_pop_intern_unlocked (queue=0x1665df0, queue@entry=0x1669b80, wait=wait@entry=1, end_time=end_time@entry=55373640591) at /build/buildd/glib2.0-2.35.8/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#7  0x00007f578d4da1fa in g_async_queue_timeout_pop (queue=0x1669b80, timeout=15000000) at /build/buildd/glib2.0-2.35.8/./glib/gasyncqueue.c:545
        end_time = 55373640591
        retval = <optimized out>
#8  0x00007f578d5289d2 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.35.8/./glib/gthreadpool.c:215
        pool = 0x1668c40
        local_max_idle_time = 15000
        local_wakeup_thread_serial = 18
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = <optimized out>
#9  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#10 0x00007f578d5281d5 in g_once_init_enter (location=0x7f5774010680) at /build/buildd/glib2.0-2.35.8/./glib/gthread.c:684
        value_location = 0x7f5774010680
        need_init = 0
#11 0x00007f578cd00f8e in start_thread (arg=0x7f57819a8700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f57819a8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140013813270272, -4022267648158982383, 0, 23509296, 140736794366832, 18, 3927433365926453009, 3927439327782379281}, 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"
#12 0x00007f578ca2ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 19927):
#0  0x00007f578ca1e3cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f578d5042bc in glib_worker_main (data=0x7f577c0010c0) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:5424
No locals.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 19925):
#0  0x00007f578c968037 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 19925
        selftid = 19925
#1  0x00007f578c96b698 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fffd6a2907a, sa_sigaction = 0x7fffd6a2907a}, sa_mask = {__val = {6, 140013998925228, 2, 140736794366094, 2, 140013998914196, 1, 140013998925224, 3, 140736794366068, 12, 140013998925228, 2, 140736794366880, 20, 140736794368640}}, sa_flags = 84, sa_restorer = 0x7}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f578c9a55ab in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f578cab8860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fffd6a29a90, reg_save_area = 0x7fffd6a299a0}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fffd6a29a90, reg_save_area = 0x7fffd6a299a0}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f578c9b1a46 in malloc_printerr (ptr=0x1ad1b20, str=0x7f578cab8990 "double free or corruption (out)", action=3) at malloc.c:4902
        buf = "0000000001ad1b20"
        cp = <optimized out>
#4  _int_free (av=<optimized out>, p=0x1ad1b10, have_lock=0) at malloc.c:3758
        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>
        __func__ = "_int_free"
#5  0x00007f578d5008ed in g_unix_signal_watch_finalize (source=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:4971
No locals.
#6  0x0000000001b24210 in ?? ()
No symbol table info available.
#7  0x0000000001a444b0 in ?? ()
No symbol table info available.
#8  0x00000000004483b0 in ?? () at fr-window.c:6713
        target_table = {{target = 0x45a226 "XdndFileRoller0", flags = 0, info = 0}, {target = 0x45dd94 "text/uri-list", flags = 0, info = 1}}
        action_entries = {{name = 0x45dda2 "FileMenu", stock_id = 0x0, label = 0x45db88 "_Archive", accelerator = 0x0, tooltip = 0x0, callback = 0x0}, {name = 0x45ddab "EditMenu", stock_id = 0x0, label = 0x45ddb4 "_Edit", accelerator = 0x0, tooltip = 0x0, callback = 0x0}, {name = 0x45ddba "ViewMenu", stock_id = 0x0, label = 0x45ddc3 "_View", accelerator = 0x0, tooltip = 0x0, callback = 0x0}, {name = 0x45ddc9 "HelpMenu", stock_id = 0x0, label = 0x45ddd2 "_Help", accelerator = 0x0, tooltip = 0x0, callback = 0x0}, {name = 0x45ddd8 "ArrangeFilesMenu", stock_id = 0x0, label = 0x45dde9 "_Arrange Files", accelerator = 0x0, tooltip = 0x0, callback = 0x0}, {name = 0x45ddf8 "About", stock_id = 0x45ddfe "gtk-about", label = 0x0, accelerator = 0x0, tooltip = 0x45de08 "Information about the program", callback = 0x416480 <activate_action_about>}, {name = 0x45ccee "Add", stock_id = 0x45ccd8 "add-files-to-archive", label = 0x45de26 "_Add Files\342\200\246", accelerator = 0x0, tooltip = 0x45de34 "Add files to the archive", callback = 0x416130 <activate_action_add>}, {name = 0x45d85e "Add_Toolbar", stock_id = 0x45ccd8 "add-files-to-archive", label = 0x459642 "Add Files", accelerator = 0x0, tooltip = 0x45de34 "Add files to the archive", callback = 0x416130 <activate_action_add>}, {name = 0x45d5b8 "Close", stock_id = 0x45d308 "gtk-close", label = 0x0, accelerator = 0x0, tooltip = 0x45de4d "Close the current archive", callback = 0x4160d0 <activate_action_close>}, {name = 0x460463 "Contents", stock_id = 0x45de67 "gtk-help", label = 0x460463 "Contents", accelerator = 0x45de70 "F1", tooltip = 0x45e828 "Display the File Roller Manual", callback = 0x416460 <activate_action_manual>}, {name = 0x45d56d "Copy", stock_id = 0x45de73 "gtk-copy", label = 0x0, accelerator = 0x0, tooltip = 0x45de7c "Copy the selection", callback = 0x416170 <activate_action_copy>}, {name = 0x45d572 "Cut", stock_id = 0x45de8f "gtk-cut", label = 0x0, accelerator = 0x0, tooltip = 0x45de97 "Cut the selection", callback = 0x416180 <activate_action_cut>}, {name = 0x45d4cf "Paste", stock_id = 0x45db3f "gtk-paste", label = 0x0, accelerator = 0x0, tooltip = 0x45dea9 "Paste the clipboard", callback = 0x416190 <activate_action_paste>}, {name = 0x45da8f "Rename", stock_id = 0x0, label = 0x45debd "_Rename\342\200\246", accelerator = 0x45dec8 "F2", tooltip = 0x45decb "Rename the selection", callback = 0x4161a0 <activate_action_rename>}, {name = 0x45d576 "Delete", stock_id = 0x45dee0 "gtk-delete", label = 0x0, accelerator = 0x45d576 "Delete", tooltip = 0x45e848 "Delete the selection from the archive", callback = 0x4161b0 <activate_action_delete>}, {name = 0x45deeb "CopyFolderFromSidebar", stock_id = 0x45de73 "gtk-copy", label = 0x0, accelerator = 0x0, tooltip = 0x45de7c "Copy the selection", callback = 0x4161c0 <activate_action_copy_folder_from_sidebar>}, {name = 0x45df01 "CutFolderFromSidebar", stock_id = 0x45de8f "gtk-cut", label = 0x0, accelerator = 0x0, tooltip = 0x45de97 "Cut the selection", callback = 0x4161d0 <activate_action_cut_folder_from_sidebar>}, {name = 0x45df16 "PasteFolderFromSidebar", stock_id = 0x45db3f "gtk-paste", label = 0x0, accelerator = 0x0, tooltip = 0x45dea9 "Paste the clipboard", callback = 0x4161e0 <activate_action_paste_folder_from_sidebar>}, {name = 0x45df2d "RenameFolderFromSidebar", stock_id = 0x0, label = 0x45debd "_Rename\342\200\246", accelerator = 0x45dec8 "F2", tooltip = 0x45decb "Rename the selection", callback = 0x4161f0 <activate_action_rename_folder_from_sidebar>}, {name = 0x45df45 "DeleteFolderFromSidebar", stock_id = 0x45dee0 "gtk-delete", label = 0x0, accelerator = 0x0, tooltip = 0x45e848 "Delete the selection from the archive", callback = 0x416200 <activate_action_delete_folder_from_sidebar>}, {name = 0x45d57d "DeselectAll", stock_id = 0x0, label = 0x45df5d "Dese_lect All", accelerator = 0x45df6b "<shift><control>A", tooltip = 0x45df7d "Deselect all files", callback = 0x416230 <activate_action_deselect_all>}, {name = 0x45ccf3 "Extract", stock_id = 0x459a1c "extract-archive", label = 0x45df90 "_Extract\342\200\246", accelerator = 0x45df9c "<control>E", tooltip = 0x45e870 "Extract files from the archive", callback = 0x416150 <activate_action_extract>}, {name = 0x45dfa7 "ExtractFolderFromSidebar", stock_id = 0x459a1c "extract-archive", label = 0x45df90 "_Extract\342\200\246", accelerator = 0x0, tooltip = 0x45e870 "Extract files from the archive", callback = 0x416160 <activate_action_extract_folder_from_sidebar>}, {name = 0x45d845 "Extract_Toolbar", stock_id = 0x459a1c "extract-archive", label = 0x45ccf3 "Extract", accelerator = 0x0, tooltip = 0x45e870 "Extract files from the archive", callback = 0x416150 <activate_action_extract>}, {name = 0x45d589 "Find", stock_id = 0x45dfc0 "gtk-find", label = 0x45dfc9 "Find\342\200\246", accelerator = 0x0, tooltip = 0x0, callback = 0x416210 <activate_action_find>}, {name = 0x45d58e "New", stock_id = 0x45dfd1 "gtk-new", label = 0x45dfd9 "New\342\200\246", accelerator = 0x0, tooltip = 0x45dfe0 "Create a new archive", callback = 0x415e40 <activate_action_new>}, {name = 0x45931d "Open", stock_id = 0x459322 "gtk-open", label = 0x45dff5 "Open\342\200\246", accelerator = 0x0, tooltip = 0x45dffd "Open archive", callback = 0x415e60 <activate_action_open>}, {name = 0x45d592 "Open_Toolbar", stock_id = 0x459322 "gtk-open", label = 0x0, accelerator = 0x0, tooltip = 0x45dffd "Open archive", callback = 0x415e60 <activate_action_open>}, {name = 0x45d59f "OpenSelection", stock_id = 0x0, label = 0x45e00a "_Open With\342\200\246", accelerator = 0x0, tooltip = 0x45e890 "Open selected files with an application", callback = 0x416240 <activate_action_open_with>}, {name = 0x45a5ca "Password", stock_id = 0x0, label = 0x45e018 "Pass_word\342\200\246", accelerator = 0x0, tooltip = 0x45e8b8 "Specify a password for this archive", callback = 0x4162d0 <activate_action_password>}, {name = 0x459df0 "Properties", stock_id = 0x45e025 "gtk-properties", label = 0x0, accelerator = 0x45e034 "<alt>Return", tooltip = 0x45e040 "Show archive properties", callback = 0x4160c0 <activate_action_properties>}, {name = 0x45d5be "Reload", stock_id = 0x45e058 "gtk-refresh", label = 0x0, accelerator = 0x45e064 "<control>R", tooltip = 0x45e06f "Reload current archive", callback = 0x416410 <activate_action_reload>}, {name = 0x45d5c5 "SaveAs", stock_id = 0x45e086 "gtk-save-as", label = 0x45e092 "Save As\342\200\246", accelerator = 0x0, tooltip = 0x45e8e0 "Save the current archive with a different name", callback = 0x416090 <activate_action_save_as>}, {name = 0x45d5cc "SelectAll", stock_id = 0x45e09d "gtk-select-all", label = 0x0, accelerator = 0x45df72 "<control>A", tooltip = 0x45e0ac "Select all files", callback = 0x416220 <activate_action_select_all>}, {name = 0x45d5d6 "TestArchive", stock_id = 0x0, label = 0x45e0bd "_Test Integrity", accelerator = 0x0, tooltip = 0x45e910 "Test whether the archive contains errors", callback = 0x4160b0 <activate_action_test_archive>}, {name = 0x45d61e "ViewSelection", stock_id = 0x459322 "gtk-open", label = 0x0, accelerator = 0x0, tooltip = 0x45e0cd "Open the selected file", callback = 0x416250 <activate_action_view_or_open>}, {name = 0x45d5e2 "ViewSelection_Toolbar", stock_id = 0x459322 "gtk-open", label = 0x0, accelerator = 0x0, tooltip = 0x45e0cd "Open the selected file", callback = 0x416250 <activate_action_view_or_open>}, {name = 0x45d5ad "OpenFolder", stock_id = 0x459322 "gtk-open", label = 0x0, accelerator = 0x0, tooltip = 0x45e0e4 "Open the selected folder", callback = 0x4162b0 <activate_action_open_folder>}, {name = 0x45e0fd "OpenFolderFromSidebar", stock_id = 0x459322 "gtk-open", label = 0x0, accelerator = 0x0, tooltip = 0x45e0e4 "Open the selected folder", callback = 0x4162c0 <activate_action_open_folder_from_sidebar>}, {name = 0x45d884 "GoBack", stock_id = 0x45e113 "gtk-go-back", label = 0x0, accelerator = 0x0, tooltip = 0x45e940 "Go to the previous visited location", callback = 0x416420 <activate_action_go_back>}, {name = 0x45d662 "GoForward", stock_id = 0x45e11f "gtk-go-forward", label = 0x0, accelerator = 0x0, tooltip = 0x45e968 "Go to the next visited location", callback = 0x416430 <activate_action_go_forward>}, {name = 0x45d66c "GoUp", stock_id = 0x45e12e "gtk-go-up", label = 0x0, accelerator = 0x0, tooltip = 0x45e138 "Go up one level", callback = 0x416440 <activate_action_go_up>}, {name = 0x45d671 "GoHome", stock_id = 0x45e148 "gtk-home", label = 0x0, accelerator = 0x0, tooltip = 0x45e151 "Go to the home location", callback = 0x416450 <activate_action_go_home>}}
        fr_window_parent_class = 0x1685900
        view_as_entries = {{name = 0x45d604 "ViewAllFiles", stock_id = 0x0, label = 0x45e1bf "View All _Files", accelerator = 0x45e1cf "<control>1", tooltip = 0x45bb80 " ", value = 0}, {name = 0x45d611 "ViewAsFolder", stock_id = 0x0, label = 0x45e1da "View as a F_older", accelerator = 0x45e1ec "<control>2", tooltip = 0x45bb80 " ", value = 1}}
        clipboard_targets = {{target = 0x45e308 "application/file-roller-uri-list", flags = 0, info = 1}}
        folder_tree_targets = {{target = 0x45a226 "XdndFileRoller0", flags = 0, info = 0}, {target = 0x45a216 "XdndDirectSave0", flags = 0, info = 2}}
        fr_window_signals = {218, 219, 220}
        action_toggle_entries = {{name = 0x45d9ae "ViewToolbar", stock_id = 0x0, label = 0x45d861 "_Toolbar", accelerator = 0x0, tooltip = 0x45e169 "View the main toolbar", callback = 0x4162e0 <activate_action_view_toolbar>, is_active = 1}, {name = 0x45d9ba "ViewStatusbar", stock_id = 0x0, label = 0x45e17f "Stat_usbar", accelerator = 0x0, tooltip = 0x45e18a "View the statusbar", callback = 0x416340 <activate_action_view_statusbar>, is_active = 1}, {name = 0x45d5f8 "ViewFolders", stock_id = 0x0, label = 0x45e19d "_Folders", accelerator = 0x45e1a6 "F9", tooltip = 0x45e1a9 "View the folders pane", callback = 0x4163a0 <activate_action_view_folders>, is_active = 0}}
#9  0x000000000044d925 in _g_string_list_free (path_list=0x7f578d5008ed <g_unix_signal_watch_finalize+45>) at glib-utils.c:411
No locals.
#10 0x00000000004482d5 in _fr_window_ask_overwrite_dialog (odata=0x1a444b0) at fr-window.c:6694
No locals.
#11 0x00007f578da7c72e in g_simple_async_report_error_in_idle (object=<optimized out>, callback=0x7f577400ac20, user_data=<optimized out>, domain=27542704, code=22577744, format=0x4483b0 <query_info_ready_for_overwrite_dialog_cb> "H\211\\$\320H\211l$\330H\211\363L\211d$\340L\211l$\350I\211\374L\211t$\360L\211|$\370H\201\354\230") at /build/buildd/glib2.0-2.35.8/./gio/gsimpleasyncresult.c:1004
        simple = 0x1910e40
        args = {{gp_offset = 2206729173, fp_offset = 32599, overflow_arg_area = 0x17d0b00, reg_save_area = 0x7f578d4fffde <g_list_prepend+78>}}
        __PRETTY_FUNCTION__ = "g_simple_async_report_error_in_idle"
#12 0x000000000159bc00 in ?? ()
No symbol table info available.
#13 0x00007f578d7b5a00 in thread_context_stack () from /tmp/apport_sandbox_jM2eNj/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f578da7c85c in ?? () at /build/buildd/glib2.0-2.35.8/./gio/gsimpleasyncresult.c:1031 from /tmp/apport_sandbox_jM2eNj/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
        g_simple_async_result_parent_class = 0x0
#15 0x0000000000000000 in ?? ()
No symbol table info available.