On my openSUSE TW installation I get a Segfault for mtr right away:

> sudo mtr localhost
Segmentation fault

For --help and --version this does not happen.

With gdb I get this:

> sudo gdb mtr 
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Reading symbols from mtr...Reading symbols from
/usr/lib/debug/usr/sbin/mtr.debug...done.
done.
(gdb) run localhost
Starting program: /usr/sbin/mtr localhost

Program received signal SIGSEGV, Segmentation fault.
_nc_init_acs_sp (sp=sp@entry=0x555555aa5750) at ../ncurses/tinfo/lib_acs.c:95
95    ../ncurses/tinfo/lib_acs.c: No such file or directory.
(gdb) backtrace
#0  _nc_init_acs_sp (sp=sp@entry=0x555555aa5750) at
../ncurses/tinfo/lib_acs.c:95
#1  0x00007ffff769e9c0 in _nc_setupscreen_sp (spp=spp@entry=0x7fffffffe968,
slines=<optimized out>, scolumns=<optimized out>, 
    output=output@entry=0x7ffff72535e0 <_IO_2_1_stdout_>, filtered=<optimized
out>, slk_format=slk_format@entry=0) at ../ncurses/base/lib_set_term.c:582
#2  0x00007ffff769ab11 in newterm_sp (sp=<optimized out>,
name=name@entry=0x7fffffffefac "xterm", ofp=<optimized out>, ifp=<optimized
out>)
    at ../ncurses/base/lib_newterm.c:221
#3  0x00007ffff769b04c in newterm (name=name@entry=0x7fffffffefac "xterm",
ofp=<optimized out>, ifp=<optimized out>) at ../ncurses/base/lib_newterm.c:351
#4  0x00007ffff7697206 in initscr () at ../ncurses/base/lib_initscr.c:87
#5  0x0000555555559e0d in mtr_curses_open () at curses.c:700
#6  0x0000555555560b11 in display_open () at display.c:101
#7  0x0000555555557e81 in main (argc=<optimized out>, argv=<optimized out>) at
mtr.c:779