Segmentation fault on thunar launch

[Avinash Sonawane]

Hello!

I'm using thunar 4.16.6 (Xfce 4.16) on Ubuntu 21.04.

Whenever I try to start thunar it SegFaults.

$ thunar
Segmentation fault
$

Here's the backtrace:
```
Thread 1 "thunar" received signal SIGSEGV, Segmentation fault.
0x00007ffff715219c in g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
(gdb) bt
#0 0x00007ffff715219c in g_slice_alloc () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007ffff715266e in g_slice_alloc0 () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff724ce92 in g_type_create_instance () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#3 0x00007ffff7235abd in () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#4 0x00007ffff7236a9d in g_object_new_with_properties () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#5 0x00007ffff72375a1 in g_object_new () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6 0x00005555555d5045 in thunar_simple_job_launch (func=0x5555555a74c0 <_thunar_io_jobs_ls>, n_param_values=1)
    at thunar-simple-job.c:181
#7 0x00005555555a368f in thunar_io_jobs_list_directory (directory=<optimized out>) at thunar-io-jobs.c:1300
#8 thunar_folder_reload (folder=0x555555b34c00, reload_info=<optimized out>) at thunar-folder.c:1031
#9 0x00005555555ddd43 in thunar_standard_view_reload (view=<optimized out>, reload_info=1)
    at thunar-standard-view.c:1647
#10 0x00007ffff72357a6 in () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007ffff7237704 in g_object_setv () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007ffff72377df in g_object_set_property () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007ffff7f67059 in () at /lib/x86_64-linux-gnu/libexo-2.so.0
#14 0x00007ffff7f671a6 in exo_binding_new_full () at /lib/x86_64-linux-gnu/libexo-2.so.0
#15 0x00007ffff7f67285 in exo_binding_new () at /lib/x86_64-linux-gnu/libexo-2.so.0
#16 0x00007ffff7244724 in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#17 0x00007ffff7244893 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007ffff7ae2947 in gtk_widget_realize () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#19 0x00007ffff7aede08 in gtk_widget_set_parent () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#20 0x00007ffff79c0b7f in () at /lib/x86_64-linux-gnu/libgtk-3.so.0
#21 0x00005555555eda99 in thunar_window_notebook_insert
   Python Exception <class 'gdb.error'> No type named TypeNode.:
 (window=window@entry=0x555555796340, directory=directory@entry=0x555555706120, view_type=view_type@entry=, position=0, history=<optimized out>) at thunar-window.c:2015
#22 0x00005555555eddc0 in thunar_window_replace_viewPython Exception <class 'gdb.error'> No type named TypeNode.:
 (window=window@entry=0x555555796340, view=0x0, view_type=)
--Type <RET> for more, q to quit, c to continue without paging--
    at thunar-window.c:2858
#23 0x00005555555ee2ee in thunar_window_set_current_directory (window=0x555555796340, current_directory=0x555555706120)
    at thunar-window.c:3829
#24 0x0000555555589d26 in thunar_application_open_window
    (application=0x55555565c100, directory=0x555555706120, screen=<optimized out>, startup_id=0x0, force_new_window=<optimized out>) at thunar-application.c:1351
#25 0x000055555559d3fc in thunar_file_launch
    (file=0x555555706120, parent=<optimized out>, startup_id=0x0, error=0x7fffffffd778) at thunar-file.c:1813
#26 0x000055555558c173 in thunar_application_process_files_finish
    (browser=<optimized out>, file=0x555555706120, target_file=0x555555706120, error=<optimized out>, unused=<optimized out>) at thunar-application.c:1516
#27 0x000055555558bffb in thunar_browser_poke_file
    (user_data=0x0, func=0x55555558c010 <thunar_application_process_files_finish>, widget=0x0, file=0x555555706120, browser=<optimized out>) at thunar-browser.c:528
#28 thunar_application_process_files (application=application@entry=0x55555565c100) at thunar-application.c:1566
#29 0x000055555558c416 in thunar_application_process_filenames
    (application=application@entry=0x55555565c100, working_directory=working_directory@entry=0x555555877db0 "/home/rootmonk", filenames=filenames@entry=0x7fffffffd8a0, screen=screen@entry=0x0, startup_id=startup_id@entry=0x0, error=error@entry=0x7fffffffd890) at thunar-application.c:1668
#30 0x000055555558c686 in thunar_application_command_line (gapp=0x55555565c100, command_line=0x5555559b6ae0)
    at thunar-application.c:542
#31 0x00007ffff72e4471 in () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#32 0x00007ffff7244724 in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#33 0x00007ffff7244893 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#34 0x00007ffff73478bb in () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#35 0x00007ffff7349ff9 in () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#36 0x00007ffff734a1e6 in g_application_run () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
--Type <RET> for more, q to quit, c to continue without paging--
#37 0x0000555555582140 in main (argc=1, argv=0x7fffffffde18) at main.c:86
(gdb)
```

Thanks!

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: thunar 4.16.6-0ubuntu1
ProcVersionSignature: Ubuntu 5.11.0-34.36-generic 5.11.22
Uname: Linux 5.11.0-34-generic x86_64
ApportVersion: 2.20.11-0ubuntu65.3
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Wed Sep 15 00:16:31 2021
SourcePackage: thunar
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.apport: [modified]
mtime.conffile..etc.default.apport: 2020-08-12T15:11:08.785042