PID: 34879 (xneur), Without error messages, the application stops working

[brokera]

===================================================================
 Info
===================================================================
           PID: 34879 (xneur)
           UID: 1000 (andypc)
           GID: 1000 (andypc)
        Signal: 11 (SEGV)
     Timestamp: Thu 2021-11-11 12:11:56 EET (20h ago)
  Command Line: xneur
    Executable: /usr/bin/xneur
 Control Group: /user.slice/user-1000.slice/session-c2.scope
          Unit: session-c2.scope
         Slice: user-1000.slice
       Session: c2
     Owner UID: 1000 (andypc)
       Boot ID: fcf90963e9d1439987d06ed72bc68614
    Machine ID: 2b04f8cbdab74a60bdc5d27b5435a5b2
      Hostname: andypc
       Storage: /var/lib/systemd/coredump/core.xneur.1000.fcf90963e9d1439987d06ed72bc68614.34879.1636625516000000000000.lz4
       Message: Process 34879 (xneur) of user 1000 dumped core.

                Stack trace of thread 34879:
                #0 0x00007f12da486898 keymap_init (libxneur.so.20 + 0xe898)
                #1 0x00007f12da48f180 n/a (libxneur.so.20 + 0x17180)
                #2 0x00007f12da48a819 n/a (libxneur.so.20 + 0x12819)
                #3 0x00005598e3ecd640 n/a (xneur + 0x2640)
                #4 0x00007f12da1400b3 __libc_start_main (libc.so.6 + 0x270b3)
                #5 0x00005598e3ecd74a n/a (xneur + 0x274a)

                Stack trace of thread 34892:
                #0 0x00007f12da22eaff __GI___poll (libc.so.6 + 0x115aff)
                #1 0x00007f12d99ca36e n/a (libglib-2.0.so.0 + 0x5236e)
                #2 0x00007f12d99ca6f3 g_main_loop_run (libglib-2.0.so.0 + 0x526f3)
                #3 0x00007f12d96f0f8a n/a (libgio-2.0.so.0 + 0x11ef8a)
                #4 0x00007f12d99f3ad1 n/a (libglib-2.0.so.0 + 0x7bad1)
                #5 0x00007f12da451609 start_thread (libpthread.so.0 + 0x9609)
                #6 0x00007f12da23b293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 34891:
                #0 0x00007f12da22eaff __GI___poll (libc.so.6 + 0x115aff)
                #1 0x00007f12d99ca36e n/a (libglib-2.0.so.0 + 0x5236e)
                #2 0x00007f12d99ca4a3 g_main_context_iteration (libglib-2.0.so.0 + 0x524a3)
                #3 0x00007f12d99ca4f1 n/a (libglib-2.0.so.0 + 0x524f1)
                #4 0x00007f12d99f3ad1 n/a (libglib-2.0.so.0 + 0x7bad1)
                #5 0x00007f12da451609 start_thread (libpthread.so.0 + 0x9609)
                #6 0x00007f12da23b293 __clone (libc.so.6 + 0x122293)
===================================================================
 GDB Log
===================================================================
[New LWP 34879]
[New LWP 34892]
[New LWP 34891]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `xneur'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f12da486898 in keymap_init () from /lib/x86_64-linux-gnu/libxneur.so.20
[Current thread is 1 (Thread 0x7f12d940b1c0 (LWP 34879))]

===================================================================
 GDB Backtrace
===================================================================
[New LWP 34879]
[New LWP 34892]
[New LWP 34891]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `xneur'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f12da486898 in keymap_init () from /lib/x86_64-linux-gnu/libxneur.so.20
[Current thread is 1 (Thread 0x7f12d940b1c0 (LWP 34879))]
#0 0x00007f12da486898 in keymap_init () from /lib/x86_64-linux-gnu/libxneur.so.20
#1 0x00007f12da48f180 in ?? () from /lib/x86_64-linux-gnu/libxneur.so.20
#2 0x00007f12da48a819 in ?? () from /lib/x86_64-linux-gnu/libxneur.so.20
#3 0x00005598e3ecd640 in ?? ()
#4 0x00007f12da1400b3 in __libc_start_main (main=0x5598e3ecd2f0, argc=1, argv=0x7ffd90574b98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd90574b88) at ../csu/libc-start.c:308
#5 0x00005598e3ecd74a in ?? ()

===================================================================
 GDB Backtrace (all threads)
===================================================================
[New LWP 34879]
[New LWP 34892]
[New LWP 34891]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `xneur'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f12da486898 in keymap_init () from /lib/x86_64-linux-gnu/libxneur.so.20
[Current thread is 1 (Thread 0x7f12d940b1c0 (LWP 34879))]

Thread 3 (Thread 0x7f12d7d1c700 (LWP 34891)):
#0 0x00007f12da22eaff in __GI___poll (fds=0x7f12d0005b40, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1 0x00007f12d99ca36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f12d99ca4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3 0x00007f12d99ca4f1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f12d99f3ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5 0x00007f12da451609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139718906988288, 4046658315801064247, 139718915377118, 139718915377119, 139718915377264, 139718906986176, -4175626376185646281, -4175634247533333705}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6 0x00007f12da23b293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7f12d751b700 (LWP 34892)):
#0 0x00007f12da22eaff in __GI___poll (fds=0x7f12d0019200, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1 0x00007f12d99ca36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f12d99ca6f3 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3 0x00007f12d96f0f8a in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4 0x00007f12d99f3ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5 0x00007f12da451609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139718898595584, 4046658315801064247, 139718915377102, 139718915377103, 139718915377248, 139718898593472, -4175627476234144969, -4175634247533333705}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6 0x00007f12da23b293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f12d940b1c0 (LWP 34879)):
#0 0x00007f12da486898 in keymap_init () from /lib/x86_64-linux-gnu/libxneur.so.20
No symbol table info available.
#1 0x00007f12da48f180 in ?? () from /lib/x86_64-linux-gnu/libxneur.so.20
No symbol table info available.
#2 0x00007f12da48a819 in ?? () from /lib/x86_64-linux-gnu/libxneur.so.20
No symbol table info available.
#3 0x00005598e3ecd640 in ?? ()
No symbol table info available.
#4 0x00007f12da1400b3 in __libc_start_main (main=0x5598e3ecd2f0, argc=1, argv=0x7ffd90574b98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd90574b88) at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94115147346896, 4046658315801064247, 94115147339552, 140727025093520, 0, 0, -4047681758885055689, -4175634669167054025}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x7ffd90574b98}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
        not_first_call = <optimized out>
#5 0x00005598e3ecd74a in ?? ()
No symbol table info available.
#0 0x00007f12da486898 in keymap_init () from /lib/x86_64-linux-gnu/libxneur.so.20
#1 0x00007f12da48f180 in ?? () from /lib/x86_64-linux-gnu/libxneur.so.20
#2 0x00007f12da48a819 in ?? () from /lib/x86_64-linux-gnu/libxneur.so.20
#3 0x00005598e3ecd640 in ?? ()
#4 0x00007f12da1400b3 in __libc_start_main (main=0x5598e3ecd2f0, argc=1, argv=0x7ffd90574b98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd90574b88) at ../csu/libc-start.c:308
#5 0x00005598e3ecd74a in ?? ()