Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x00000008 0x00352eec in _Vector_base [inlined] () at stl_vector.h:343 343 { return const_iterator (this->_M_impl._M_start); } (gdb) bt #0 0x00352eec in _Vector_base [inlined] () at stl_vector.h:343 #1 0x00352eec in _Vector_impl [inlined] () at stl_vector.h:189 #2 0x00352eec in vector [inlined] () at stl_vector.h:97 #3 0x00352eec in vector [inlined] () at stl_vector.h:97 #4 0x00352eec in pathv_to_linear_and_cubic_beziers (pathv=@0x8) at helper/geom.cpp:471 #5 0x0063ef15 in Inkscape::UI::PathManipulator::_createControlPointsFromGeometry (this=0x5ec88e0) at helper/geom.cpp:471 #6 0x0064264e in Inkscape::UI::PathManipulator::_externalChange (this=0x5ec88e0, type=0) at helper/geom.cpp:471 #7 0x004b4791 in Inkscape::XML::CompositeNodeObserver::notifyAttributeChanged (this=0x705b0b0, node=@0x705b0f0, name=1674, old_value={_obj = 0x705d068 ""}, new_value={_obj = 0x0}) at helper/geom.cpp:471 #8 0x004c3596 in vector [inlined] () at stl_vector.h:97 #9 vector [inlined] () at stl_vector.h:97 #10 Inkscape::XML::SimpleNode::setAttribute (this=0x705b080, name=0x3841cb5 "d", value=0x0) at helper/geom.cpp:471 #11 0x004c53c1 in Inkscape::XML::EventChgAttr::_undoOne (this=0x5183fa0, observer=@0xb8fe20) at helper/geom.cpp:471 #12 0x004c659c in vector [inlined] () at stl_vector.h:97 #13 0x004c659c in sp_repr_undo_log (log=0x5183f40) at helper/geom.cpp:471 #14 0x00057593 in Inkscape::DocumentUndo::undo (doc=0x516aea0) at helper/geom.cpp:471 #15 0x000fe515 in sp_undo (desktop=0x5193b40) at helper/geom.cpp:471 #16 0x00350660 in sp_action_perform (action=0x51879d8, data=0x0) at helper/geom.cpp:471 #17 0x0011a953 in sp_shortcut_invoke (shortcut=33554554, view=0x5193b40) at helper/geom.cpp:471 #18 0x00360927 in on_window_key_press (event=0x75cf1a0) at helper/geom.cpp:471 #19 0x00360b84 in vector [inlined] () at stl_vector.h:97 #20 0x00360b84 in vector [inlined] () at stl_vector.h:97 #21 0x00360b84 in sigc::internal::slot_call1, bool, _GdkEventKey*>::call_it (rep=0x85bbfc0, a_1=@0xbfffe9a4) at helper/geom.cpp:471 #22 0x014d2711 in (anonymous namespace)::Widget_signal_key_press_event_callback () #23 0x019ca85b in _gtk_marshal_BOOLEAN__BOXED () #24 0x03419f59 in g_closure_invoke () #25 0x0342c445 in signal_emit_unlocked_R () #26 0x0342d4a7 in g_signal_emit_valist () #27 0x0342da69 in g_signal_emit () #28 0x01af9546 in gtk_widget_event_internal () #29 0x019c8a95 in gtk_propagate_event () #30 0x019c8fcd in gtk_main_do_event () #31 0x027e2845 in gdk_event_dispatch () #32 0x034d55ed in g_main_context_dispatch () #33 0x034d947b in g_main_context_iterate () #34 0x034d9757 in g_main_loop_run () #35 0x019c7fa1 in gtk_main () #36 0x0144d59b in Gtk::Main::run () #37 0x00005a2c in vector [inlined] () at stl_vector.h:97 #38 sp_main_gui (argc=1, argv=0xbffff0fc) at helper/geom.cpp:471 #39 0x00004626 in start () (gdb)