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Bug 534226 - Crash in nautilus-icon-dnd.c on bad pixmap
Crash in nautilus-icon-dnd.c on bad pixmap
Status: RESOLVED FIXED
Product: nautilus
Classification: Core
Component: general
2.22.x
Other Linux
: Normal critical
: ---
Assigned To: A. Walton
Nautilus Maintainers
Depends on:
Blocks:
 
 
Reported: 2008-05-21 17:38 UTC by A. Walton
Modified: 2008-05-27 23:56 UTC
See Also:
GNOME target: ---
GNOME version: 2.21/2.22

Attachments
simple fix (471 bytes, patch)
2008-05-21 17:39 UTC, A. Walton 		committed Details | Review

Description A. Walton 2008-05-21 17:38:11 UTC 
Reported here: https://bugs.edge.launchpad.net/ubuntu/+source/nautilus/+bug/232522
"Using Ubuntu Hardy 8.04 with Nautilus 1:2.22.2-0ubuntu6 pressing LMB (Left mouse button) and quickly afterwards RMB (Right mouse button) on a directory causes a Nautilus Segmentation fault and a system hang, only CTRL+ALT+Backspace lets me get out of it. The mouse pointer changes to the hand with a plus sign (indicating that Nautilus wants to copy something) when the hang occurs. The expected behavior would be that the directory is opened."

Program received signal SIGSEGV, Segmentation fault.

+ Trace 198327

Thread 139651981596576 (LWP 6320)

  • #0 cairo_set_operator
    from /usr/lib/libcairo.so.2
  • #1 drag_begin_callback
    at nautilus-icon-dnd.c line 1469
  • #2 g_closure_invoke
    from /usr/lib/libgobject-2.0.so.0
  • #3 ??
    from /usr/lib/libgobject-2.0.so.0
  • #4 g_signal_emit_valist
    from /usr/lib/libgobject-2.0.so.0
  • #5 g_signal_emit_by_name
    from /usr/lib/libgobject-2.0.so.0
  • #6 ??
    from /usr/lib/libgtk-x11-2.0.so.0
  • #7 motion_notify_event
    at nautilus-icon-container.c line 3752
  • #8 ??
    from /usr/lib/libgtk-x11-2.0.so.0
  • #9 g_closure_invoke
    from /usr/lib/libgobject-2.0.so.0
  • #10 ??
    from /usr/lib/libgobject-2.0.so.0
  • #11 g_signal_emit_valist
    from /usr/lib/libgobject-2.0.so.0
  • #12 g_signal_emit
    from /usr/lib/libgobject-2.0.so.0
  • #13 ??
    from /usr/lib/libgtk-x11-2.0.so.0
  • #14 gtk_propagate_event
    from /usr/lib/libgtk-x11-2.0.so.0
  • #15 gtk_main_do_event
    from /usr/lib/libgtk-x11-2.0.so.0
  • #16 ??
    from /usr/lib/libgdk-x11-2.0.so.0
  • #17 g_main_context_dispatch
    from /usr/lib/libglib-2.0.so.0
  • #18 ??
    from /usr/lib/libglib-2.0.so.0
  • #19 g_main_loop_run
    from /usr/lib/libglib-2.0.so.0
  • #20 gtk_main
    from /usr/lib/libgtk-x11-2.0.so.0
  • #21 main
    at nautilus-main.c line 569 

Patch fixing the crash follows
Comment 1 A. Walton 2008-05-21 17:39:39 UTC 
Created attachment 111285 [details] [review]
simple fix

Can't create a (valid) cairo context for a NULL pixmap.
Comment 2 Christian Neumair 2008-05-26 11:03:29 UTC 
Good catch, please commit the patch!
Comment 3 A. Walton 2008-05-27 23:56:40 UTC 
2008-05-27  A. Walton  <awalton@gnome.org>

	* libnautilus-private/nautilus-icon-dnd.c: (drag_begin_callback):
	Don't try to create a Cairo context for a NULL pixmap.
	Fixes bug #534226.

Committed to 2.22 and trunk.