SIGSEGV when Alt+J or Alt+R in empty directory #5199

(gdb) bt full
#0  mc_g_string_copy.isra.0 (dest=0x55f505fa1da0, src=0xe143e) at ../lib/glibcompat.c:248
        __func__ = <optimized out>
#1  0x000055f4df50ee57 in string_file_name (fe=<optimized out>, len=<optimized out>) at filemanager/panel.c:497
No locals.
#2  0x000055f4df513cec in format_file (panel=panel@entry=0x55f505faec90, file_index=file_index@entry=-47, width=width@entry=94, attr=attr@entry=FATTR_MARKED, isstatus=isstatus@entry=0,
    field_length=field_length@entry=0x7ffd19c907e4) at filemanager/panel.c:860
        len = <optimized out>
        perm = 0
        prepared_text = <optimized out>
        name_offset = 0
        str_len = <optimized out>
        i = <optimized out>
        txt = 0x55f4df5c7615 " "
        fi = 0x55f506009160
        color = 3
        length = 1
        format = 0x55f505fedce0 = {0x55f506009160, 0x55f5060091f0, 0x55f506009280, 0x55f5060094d0, 0x55f506009600}
        home = <optimized out>
        fe = 0x55f505fcef00
        res = <optimized out>
#3  0x000055f4df5147f8 in repaint_file (panel=0x55f505faec90, file_index=-47, attr=FATTR_MARKED) at filemanager/panel.c:980
        w = 0x55f505faec90
        nth_column = 0
        width = 94
        offset = 0
        ret_frm = <optimized out>
        ypos = 2
        panel_is_split = <optimized out>
        fln = 0
#4  0x000055f4df514911 in paint_dir (panel=0x55f505faec90) at filemanager/panel.c:1124
        attr = <optimized out>
        n = <optimized out>
        marked = <optimized out>
        i = 0
        items = 48
#5  0x000055f4df51d251 in move_down.part.0.lto_priv.0 (panel=0x55f505faec90) at filemanager/panel.c:2212
        items = <optimized out>
#6  0x000055f4df5161fb in move_down (panel=<optimized out>) at filemanager/panel.c:2198
        items = <optimized out>
#7  chdir_other_panel (panel=<optimized out>) at filemanager/panel.c:3106
        entry = <optimized out>
        new_dir_vpath = <optimized out>
        curr_entry = <optimized out>
        p = <optimized out>
#8  panel_execute_cmd (panel=0x55f505faec90, command=<optimized out>) at filemanager/panel.c:3643
        res = 1
#9  0x000055f4df5abeb6 in send_message (w=<optimized out>, sender=0x0, msg=MSG_KEY, parm=<optimized out>, data=0x0) at ../lib/widget/../../lib/widget/widget-common.h:255
        ret = MSG_NOT_HANDLED
#10 group_handle_key (g=0x55f505fc6d60, key=<optimized out>) at ../lib/widget/group.c:507
        handled = <optimized out>
#11 group_default_callback (w=0x55f505fc6d60, sender=<optimized out>, msg=<optimized out>, parm=<optimized out>, data=<optimized out>) at ../lib/widget/group.c:637
        g = 0x55f505fc6d60
--Type <RET> for more, q to quit, c to continue without paging--
#12 0x000055f4df5ac40d in dlg_key_event (h=0x55f505fc6d60, d_key=16398) at ../lib/widget/dialog.c:252
        w = 0x55f505fc6d60
        g = 0x55f505fc6d60
        handled = <optimized out>
#13 dlg_process_event (h=0x55f505fc6d60, key=16398, event=<optimized out>) at ../lib/widget/dialog.c:539
No locals.
#14 0x000055f4df5ac8a7 in frontend_dlg_run (h=0x55f505fc6d60) at ../lib/widget/dialog.c:321
        d_key = <optimized out>
        wh = 0x55f505fc6d60
        event = {buttons = 224 '\340', modifiers = 9 '\t', vc = 6601, dx = 32765, dy = 0, x = -1, y = -8358,
          type = (GPM_DOWN | GPM_SINGLE | GPM_DOUBLE | GPM_TRIPLE | GPM_MFLAG | GPM_HARD | GPM_LEAVE | unknown: 0x5000), clicks = 100326304, margin = (GPM_TOP | GPM_LFT | unknown: 0x55f0),
          wdx = 0, wdy = 0}
#15 0x000055f4df508974 in dlg_run (h=0x55f505fc6d60) at ../lib/widget/dialog.c:573
No locals.
#16 do_nc () at filemanager/filemanager.c:1826
        ret = <optimized out>
#17 0x000055f4df4f35f4 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/mc-4.8.33-3.fc44.x86_64/src/main.c:469
        mcerror = 0x0
        exit_code = 1
        tmpdir = 0x55f4df62ee20 <buffer> "/tmp/mc-ZIALX3"