crash when connecting to Samba share

nautilus-3.26.2-1.fc27.x86_64 (Also happens when 3.24.x on Fedora 26.)

Reproduce steps: Nautilus > Other Locations > enter server address > click connect and authenticate

Actual results: Crash

Expected results: No crash.

Sun 2017-11-26 22:03:15 MST    2804  1000  1000  11 present   /usr/bin/nautilus
$ coredumpctl info 2804
Hint: You are currently not seeing messages from other users and the system.
      Users in the 'systemd-journal' group can see all messages. Pass -q to
      turn off this notice.
           PID: 2804 (nautilus)
           UID: 1000 (chris)
           GID: 1000 (chris)
        Signal: 11 (SEGV)
     Timestamp: Sun 2017-11-26 22:03:15 MST (1min 3s ago)
  Command Line: /usr/bin/nautilus --gapplication-service
    Executable: /usr/bin/nautilus
 Control Group: /user.slice/user-1000.slice/user@1000.service/dbus.service
          Unit: user@1000.service
     User Unit: dbus.service
         Slice: user-1000.slice
     Owner UID: 1000 (chris)
       Boot ID: fda679c9f029478f86dd744e96200875
    Machine ID: bbe68372db9f4c589a1f67f008e70864
      Hostname: f27h.localdomain
       Storage: /var/lib/systemd/coredump/core.nautilus.1000.fda679c9f029478f86dd744e96200875.2804.1511758995000000.lz4
       Message: Process 2804 (nautilus) of user 1000 dumped core.
                
                Stack trace of thread 2804:
                #0  0x00007f98adc60f17 gtk_stack_set_visible_child_name (libgtk-3.so.0)
                #1  0x000055b18bfe18fb populate_servers (nautilus)
                #2  0x00007f98a6ae7d1e ffi_call_unix64 (libffi.so.6)
                #3  0x00007f98a6ae768f ffi_call (libffi.so.6)
                #4  0x00007f98ac2e232d g_cclosure_marshal_generic_va (libgobject-2.0.so.0)
                #5  0x00007f98ac2e1976 _g_closure_invoke_va (libgobject-2.0.so.0)
                #6  0x00007f98ac2fcff4 g_signal_emit_valist (libgobject-2.0.so.0)
                #7  0x00007f98ac2fd66f g_signal_emit (libgobject-2.0.so.0)
                #8  0x00007f98ac60b449 g_file_monitor_source_dispatch (libgio-2.0.so.0)
                #9  0x00007f98ae2dbbb7 g_main_context_dispatch (libglib-2.0.so.0)
                #10 0x00007f98ae2dbf60 g_main_context_iterate.isra.25 (libglib-2.0.so.0)
                #11 0x00007f98ae2dbfec g_main_context_iteration (libglib-2.0.so.0)
                #12 0x00007f98ac5c5c8d g_application_run (libgio-2.0.so.0)
                #13 0x000055b18bf30370 main (nautilus)
                #14 0x00007f98aa78a03a __libc_start_main (libc.so.6)
                #15 0x000055b18bf303ca _start (nautilus)
                
                Stack trace of thread 2846:
                #0  0x00007f98aa87d0d9 syscall (libc.so.6)
                #1  0x00007f98ae32166a g_cond_wait_until (libglib-2.0.so.0)
                #2  0x00007f98ae2b0381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)
                #3  0x00007f98ae303e64 g_thread_pool_thread_proxy (libglib-2.0.so.0)
                #4  0x00007f98ae3034c6 g_thread_proxy (libglib-2.0.so.0)
                #5  0x00007f98aab55609 start_thread (libpthread.so.0)
                #6  0x00007f98aa882e6f __clone (libc.so.6)
                
                Stack trace of thread 2848:
                #0  0x00007f98aa87d0d9 syscall (libc.so.6)
                #1  0x00007f98ae32166a g_cond_wait_until (libglib-2.0.so.0)
                #2  0x00007f98ae2b0381 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0)
                #3  0x00007f98ae303e64 g_thread_pool_thread_proxy (libglib-2.0.so.0)
                #4  0x00007f98ae3034c6 g_thread_proxy (libglib-2.0.so.0)
                #5  0x00007f98aab55609 start_thread (libpthread.so.0)
                #6  0x00007f98aa882e6f __clone (libc.so.6)
                
                Stack trace of thread 2806:
                #0  0x00007f98aa8768bb __poll (libc.so.6)
                #1  0x00007f98ae2dbed9 g_main_context_iterate.isra.25 (libglib-2.0.so.0)
                #2  0x00007f98ae2dc272 g_main_loop_run (libglib-2.0.so.0)
                #3  0x00007f98ac5f1b36 gdbus_shared_thread_func (libgio-2.0.so.0)
                #4  0x00007f98ae3034c6 g_thread_proxy (libglib-2.0.so.0)
                #5  0x00007f98aab55609 start_thread (libpthread.so.0)
                #6  0x00007f98aa882e6f __clone (libc.so.6)
                
                Stack trace of thread 2815:
                #0  0x00007f98aa8768bb __poll (libc.so.6)
                #1  0x00007f98ae2dbed9 g_main_context_iterate.isra.25 (libglib-2.0.so.0)
                #2  0x00007f98ae2dbfec g_main_context_iteration (libglib-2.0.so.0)
                #3  0x00007f989ca2742d dconf_gdbus_worker_thread (libdconfsettings.so)
                #4  0x00007f98ae3034c6 g_thread_proxy (libglib-2.0.so.0)
                #5  0x00007f98aab55609 start_thread (libpthread.so.0)
                #6  0x00007f98aa882e6f __clone (libc.so.6)
                
                Stack trace of thread 2805:
                #0  0x00007f98aa8768bb __poll (libc.so.6)
                #1  0x00007f98ae2dbed9 g_main_context_iterate.isra.25 (libglib-2.0.so.0)
                #2  0x00007f98ae2dbfec g_main_context_iteration (libglib-2.0.so.0)
                #3  0x00007f98ae2dc031 glib_worker_main (libglib-2.0.so.0)
                #4  0x00007f98ae3034c6 g_thread_proxy (libglib-2.0.so.0)
                #5  0x00007f98aab55609 start_thread (libpthread.so.0)
                #6  0x00007f98aa882e6f __clone (libc.so.6)
$