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Bug 720264 - Hovering item over sidebar "desktop"-entry crashes applications if XDG-desktop dir is not "~/Desktop"
Hovering item over sidebar "desktop"-entry crashes applications if XDG-deskto...
Status: RESOLVED FIXED
Product: gtk+
Classification: Platform
Component: .General
3.10.x
Other Linux
: High critical
: ---
Assigned To: Nautilus Maintainers
Nautilus Maintainers
Depends on:
Blocks:
 
 
Reported: 2013-12-11 15:43 UTC by Tobias Getzner
Modified: 2013-12-19 16:06 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Tobias Getzner 2013-12-11 15:43:00 UTC 
When hovering a file over the "Desktop" entry on the Nautilus sidebar during DnD, Nautilus segfaults. Since I do not use a desktop, my XDG_DESKTOP_DIR is "~"; if I set XDG_DESKTOP_DIR to "~/Desktop", the segfault does not trigger.

BTW it would be convenient if the sidebar omits the Desktop entry altogether if it's identical to $HOME, or something like that.

This is on Nautilus 3.10.1.
Comment 1 António Fernandes 2013-12-17 09:29:04 UTC 
Thanks for taking the time to report this bug.
Without a stack trace from the crash it's very hard to determine what caused it.
Can you get us a stack trace? Please see http://live.gnome.org/GettingTraces for more information on how to do so. Thanks in advance!

(In reply to comment #0)
> BTW it would be convenient if the sidebar omits the Desktop entry altogether if
> it's identical to $HOME, or something like that.

Some users may want to show $HOME as the desktop. 

But the sidebar does omit the "Desktop" entry if the "show-desktop-icons" setting is disabled. At least it does for me in nautilus 3.10.1 from fedora 20.

What is the output of the following command in the terminal?

gsettings get org.gnome.desktop.background show-desktop-icons
Comment 2 Tobias Getzner 2013-12-17 10:08:46 UTC 
Program terminated with signal 11, Segmentation fault.

+ Trace 232930

Thread 1 (Thread 0x7fc2365d2940 (LWP 21515))

  • #0 compute_drop_position.part.5
    from /usr/lib/libgtk-3.so.0
  • #1 drag_motion_callback
    from /usr/lib/libgtk-3.so.0
  • #2 _gtk_marshal_BOOLEAN__OBJECT_INT_INT_UINT
    from /usr/lib/libgtk-3.so.0
  • #3 g_closure_invoke
    from /usr/lib/libgobject-2.0.so.0
  • #4 signal_emit_unlocked_R
    from /usr/lib/libgobject-2.0.so.0
  • #5 g_signal_emit_valist
    from /usr/lib/libgobject-2.0.so.0
  • #6 g_signal_emit_by_name
    from /usr/lib/libgobject-2.0.so.0
  • #7 gtk_drag_dest_motion
    from /usr/lib/libgtk-3.so.0
  • #8 _gtk_drag_dest_handle_event
    from /usr/lib/libgtk-3.so.0
  • #9 gtk_main_do_event
    from /usr/lib/libgtk-3.so.0
  • #10 gdk_event_source_dispatch
    from /usr/lib/libgdk-3.so.0
  • #11 g_main_context_dispatch
    from /usr/lib/libglib-2.0.so.0
  • #12 g_main_context_iterate.isra.24
    from /usr/lib/libglib-2.0.so.0
  • #13 g_main_context_iteration
    from /usr/lib/libglib-2.0.so.0
  • #14 g_application_run
    from /usr/lib/libgio-2.0.so.0
  • #15 main 






Comment 3


Tobias Getzner





          2013-12-17 10:10:19 UTC
        



> But the sidebar does omit the "Desktop" entry if the "show-desktop-icons"
> setting is disabled. At least it does for me in nautilus 3.10.1 from fedora 20.
> 
> What is the output of the following command in the terminal?
> 
> gsettings get org.gnome.desktop.background show-desktop-icons

show-desktop-icons is disabled for me, yet both Nautilus and the GTK file choose show the desktop entry in the sidebar.






Comment 4


António Fernandes





          2013-12-17 10:14:14 UTC
        



(In reply to comment #3)
> show-desktop-icons is disabled for me, yet both Nautilus and the GTK file
> choose show the desktop entry in the sidebar.

That's weird. Can you file a separate bug report about that? (Product: gtk+; component: GtkFileChooser)






Comment 5


Tobias Getzner





          2013-12-17 10:26:39 UTC
        



Oh, by the way, when doing a move operation within the file chooser, any host program segfaults, not just Nautilus.

Tentatively reassigning to GTK+.






Comment 6


Tobias Getzner





          2013-12-17 10:55:52 UTC
        



Sorry, the last comment was unclear. The host program don't crash for any move operation, just when D'n'Ding over the desktop entry.

Also I recompiled GTK and glib2 with -g. See new backtrace with line numbers below. (Although line numbers don't seem to show for functions from glib2? Is this normal?)

Program terminated with signal 11, Segmentation fault.




+
Trace
    232931






Thread 1
          (Thread 0x7f285b7a2940 (LWP 3565))


    

  • 
#0
compute_drop_position

    
                at gtkplacessidebar.c
                  line
                  1422

    

    • 

  • 
#1
compute_drop_position

    
                at gtkplacessidebar.c
                  line
                  1702

    

    • 

  • 
#2
drag_motion_callback

    
                at gtkplacessidebar.c
                  line
                  1625

    

    • 

  • 
#3
_gtk_marshal_BOOLEAN__OBJECT_INT_INT_UINT

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#5
signal_emit_unlocked_R

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#6
g_signal_emit_valist

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#7
g_signal_emit_by_name

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#8
gtk_drag_dest_motion

    
                at gtkdnd.c
                  line
                  2325

    

    • 

  • 
#9
gtk_drag_find_widget

    
                at gtkdnd.c
                  line
                  2005

    

    • 

  • 
#10
_gtk_drag_dest_handle_event

    
                at gtkdnd.c
                  line
                  1761

    

    • 

  • 
#11
gtk_main_do_event

    
                at gtkmain.c
                  line
                  1747

    

    • 

  • 
#12
gdk_event_source_dispatch

    
                at gdkeventsource.c
                  line
                  364

    

    • 

  • 
#13
g_main_context_dispatch

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#14
g_main_context_iterate.isra.24

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#15
g_main_context_iteration

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#16
g_application_run

    
                from
                /usr/lib/libgio-2.0.so.0

    

    • 

  • 
#17
main

    
                at nautilus-main.c
                  line
                  104

    

    • 













Comment 7


Tobias Getzner





          2013-12-17 12:18:55 UTC
        



Okay, I recompiled glib2 with --enable-debug=yes, now most of the line numbers should be there.

Program terminated with signal 11, Segmentation fault.




+
Trace
    232932






Thread 1
          (Thread 0x7f63ead54940 (LWP 28801))


    

  • 
#0
compute_drop_position

    
                at gtkplacessidebar.c
                  line
                  1422

    

    • 

  • 
#1
compute_drop_position

    
                at gtkplacessidebar.c
                  line
                  1702

    

    • 

  • 
#2
drag_motion_callback

    
                at gtkplacessidebar.c
                  line
                  1625

    

    • 

  • 
#3
_gtk_marshal_BOOLEAN__OBJECT_INT_INT_UINT

    
                at gtkmarshalers.c
                  line
                  808

    

    • 

  • 
#4
g_closure_invoke

    
                at gclosure.c
                  line
                  777

    

    • 

  • 
#5
signal_emit_unlocked_R

    
                at gsignal.c
                  line
                  3586

    

    • 

  • 
#6
g_signal_emit_valist

    
                at gsignal.c
                  line
                  3340

    

    • 

  • 
#7
g_signal_emit_by_name

    
                at gsignal.c
                  line
                  3426

    

    • 

  • 
#8
gtk_drag_dest_motion

    
                at gtkdnd.c
                  line
                  2325

    

    • 

  • 
#9
gtk_drag_find_widget

    
                at gtkdnd.c
                  line
                  2005

    

    • 

  • 
#10
_gtk_drag_dest_handle_event

    
                at gtkdnd.c
                  line
                  1761

    

    • 

  • 
#11
gtk_main_do_event

    
                at gtkmain.c
                  line
                  1747

    

    • 

  • 
#12
gdk_event_source_dispatch

    
                at gdkeventsource.c
                  line
                  364

    

    • 

  • 
#13
g_main_dispatch

    
                at gmain.c
                  line
                  3066

    

    • 

  • 
#14
g_main_context_dispatch

    
                at gmain.c
                  line
                  3642

    

    • 

  • 
#15
g_main_context_iterate

    
                at gmain.c
                  line
                  3713

    

    • 

  • 
#16
g_main_context_iteration

    
                at gmain.c
                  line
                  3774

    

    • 

  • 
#17
g_application_run

    
                at gapplication.c
                  line
                  1635

    

    • 

  • 
#18
main

    
                at nautilus-main.c
                  line
                  104

    

    •