By the way, the message when Thunar crashes is this one:

Thunar[1653]: segfault at 2 ip 00007f87c2a2c07d sp 00007fff45204d98 error 4 in libgobject-2.0.so.0.4600.1[7f87c29f8000+50000]

And here's what's in /var/log/messages:

Nov  9 08:46:41 chiara systemd-coredump: Process 2025 (Thunar) of user 1000 dumped core.#012#012Stack trace of thread 2025:#012#0  0x00007f1b733eaa98 __GI_raise (libc.so.6)#012#1  0x00007f1b733ec69a __GI_abort (libc.so.6)#012#2  0x00007f1b7342de1a __libc_message (libc.so.6)#012#3  0x00007f1b73439d28 malloc_printerr (libc.so.6)#012#4  0x00007f1b739e35ee g_free (libglib-2.0.so.0)#012#5  0x0000559ac4208c1c thunar_file_info_clear (thunar)#012#6  0x0000559ac420a19d thunar_file_load (thunar)#012#7  0x0000559ac420a253 thunar_file_reload (thunar)#012#8  0x00007f1b739dde3a g_main_dispatch (libglib-2.0.so.0)#012#9  0x00007f1b739de1d0 g_main_context_iterate (libglib-2.0.so.0)#012#10 0x00007f1b739de4f2 g_main_loop_run (libglib-2.0.so.0)#012#11 0x00007f1b75902f37 IA__gtk_main (libgtk-x11-2.0.so.0)#012#12 0x0000559ac41f1e85 main (thunar)#012#13 0x00007f1b733d6580 __libc_start_main (libc.so.6)#012#14 0x0000559ac41f1fc9 _start (thunar)#012#012Stack trace of thread 2116:#012#0  0x00007f1b734b2d89 syscall (libc.so.6)#012#1  0x00007f1b73a2299a g_cond_wait_until (libglib-2.0.so.0)#012#2  0x00007f1b739b2c09 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3  0x00007f1b73a051a6 g_thread_pool_wait_for_new_task (libglib-2.0.so.0)#012#4  0x00007f1b73a04835 g_thread_proxy (libglib-2.0.so.0)#012#5  0x00007f1b7377e60a start_thread (libpthread.so.0)#012#6  0x00007f1b734b8bbd __clone (libc.so.6)#012#012Stack trace of thread 2117:#012#0  0x00007f1b734b2d89 syscall (libc.so.6)#012#1  0x00007f1b73a2299a g_cond_wait_until (libglib-2.0.so.0)#012#2  0x00007f1b739b2c09 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3  0x00007f1b73a051a6 g_thread_pool_wait_for_new_task (libglib-2.0.so.0)#012#4  0x00007f1b73a04835 g_thread_proxy (libglib-2.0.so.0)#012#5  0x00007f1b7377e60a start_thread (libpthread.so.0)#012#6  0x00007f1b734b8bbd __clone (libc.so.6)#012#012Stack trace of thread 2026:#012#0  0x00007f1b734ad11d poll (libc.so.6)#012#1  0x00007f1b739de16c g_main_context_poll (libglib-2.0.so.0)#012#2  0x00007f1b739de27c g_main_context_iteration (libglib-2.0.so.0)#012#3  0x00007f1b739de2b9 glib_worker_main (libglib-2.0.so.0)#012#4  0x00007f1b73a04835 g_thread_proxy (libglib-2.0.so.0)#012#5  0x00007f1b7377e60a start_thread (libpthread.so.0)#012#6  0x00007f1b734b8bbd __clone (libc.so.6)#012#012Stack trace of thread 2110:#012#0  0x00007f1b734b2d89 syscall (libc.so.6)#012#1  0x00007f1b73a2299a g_cond_wait_until (libglib-2.0.so.0)#012#2  0x00007f1b739b2c09 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)#012#3  0x00007f1b73a051a6 g_thread_pool_wait_for_new_task (libglib-2.0.so.0)#012#4  0x00007f1b73a04835 g_thread_proxy (libglib-2.0.so.0)#012#5  0x00007f1b7377e60a start_thread (libpthread.so.0)#012#6  0x00007f1b734b8bbd __clone (libc.so.6)#012#012Stack trace of thread 2027:#012#0  0x00007f1b734ad11d poll (libc.so.6)#012#1  0x00007f1b739de16c g_main_context_poll (libglib-2.0.so.0)#012#2  0x00007f1b739de4f2 g_main_loop_run (libglib-2.0.so.0)#012#3  0x00007f1b73fff2c6 gdbus_shared_thread_func (libgio-2.0.so.0)#012#4  0x00007f1b73a04835 g_thread_proxy (libglib-2.0.so.0)#012#5  0x00007f1b7377e60a start_thread (libpthread.so.0)#012#6  0x00007f1b734b8bbd __clone (libc.so.6)
[root@chiara ~]#