XIM: crash when restart fcitx5

[quininer]

(lldb) run
Process 10240 launched: './target/debug/xim' (x86_64)
'中'
'文'
Process 10240 stopped
* thread #1, name = 'xim', stop reason = signal SIGSEGV: invalid address (fault address: 0xc)
    frame #0: 0x000000000000000c
error: memory read failed for 0x0
(lldb) bt
* thread #1, name = 'xim', stop reason = signal SIGSEGV: invalid address (fault address: 0xc)
  * frame #0: 0x000000000000000c
    frame #1: 0x000055555558528c xim`winit::platform::platform::x11::util::Ime::focus::hbfa261f0340a32c8(self=&0x7ffff6a4e730) at util.rs:433
    frame #2: 0x0000555555575416 xim`winit::platform::platform::x11::EventsLoop::process_event::h85eff9d31b0a72a9(self=&0x7fffffffac20, xev=&0x7fffffffaa88, callback=&0x7fffffffab50) at mod.rs:740
    frame #3: 0x000055555557130d xim`winit::platform::platform::x11::EventsLoop::run_forever::h6b17eaaf1b8e99f9(self=&0x7fffffffac20, callback=closure {

}) at mod.rs:198
    frame #4: 0x000055555556896c xim`winit::platform::platform::EventsLoop::run_forever::h0c8a88fe33696cf5(self=&0x7fffffffac18, callback=closure {

}) at mod.rs:415
    frame #5: 0x000055555556c1e5 xim`winit::EventsLoop::run_forever::h5f211e87314dd7ff(self=&0x7fffffffac18, callback=closure {

}) at lib.rs:231
    frame #6: 0x0000555555568aec xim`xim::main::he30972e73ceb8176 at main.rs:22
    frame #7: 0x000055555556c992 xim`std::rt::lang_start::_$u7b$$u7b$closure$u7d$$u7d$::hc9af16270bd23cea at rt.rs:74
    frame #8: 0x00005555556cf5e8 xim`std::panicking::try::do_call::h1fa5723294be8945 [inlined] std::rt::lang_start_internal::_$u7b$$u7b$closure$u7d$$u7d$::h0c81b3aba8d97d61 at rt.rs:59
    frame #9: 0x00005555556cf5dc xim`std::panicking::try::do_call::h1fa5723294be8945 at panicking.rs:306
    frame #10: 0x00005555556df22f xim`__rust_maybe_catch_panic at lib.rs:102
    frame #11: 0x00005555556c8496 xim`std::rt::lang_start_internal::hb77963e32cb566da [inlined] std::panicking::try::haa6d3d8e691373ac at panicking.rs:285
    frame #12: 0x00005555556c8460 xim`std::rt::lang_start_internal::hb77963e32cb566da [inlined] std::panic::catch_unwind::h48b33a2de2f7dd38 at panic.rs:361
    frame #13: 0x00005555556c8460 xim`std::rt::lang_start_internal::hb77963e32cb566da at rt.rs:58
    frame #14: 0x000055555556c972 xim`std::rt::lang_start::h863f61b00259401f(main=&0x555555568980, argc=1, argv=&0x7fffffffe298) at rt.rs:74
    frame #15: 0x0000555555568b7e xim`main + 46
    frame #16: 0x00007ffff7200f4a libc.so.6`__libc_start_main + 234
    frame #17: 0x000055555556424a xim`_start + 42

[francesca64]

Does this happen with #451?

[quininer]

No, it works well! 🎉