Crash when editing label

Binary package hint: audacity

I was editing a label in a label track, and pressed Ctrl-Z; audacity crashed, giving the following backtrace:

#0 TrackListIterator::Next (this=0xbfd29ac4, SkipLinked=false) at Track.cpp:186
#1 0x080d8762 in AudacityProject::GetUpdateFlags (this=0x9a890d8) at Menus.cpp:1386
#2 0x080da13f in AudacityProject::UpdateMenus (this=0x9a890d8) at Menus.cpp:1477
#3 0x0810687b in AudacityProject::FixScrollbars (this=0x9a890d8) at Project.cpp:1281
#4 0x0815c66b in TrackPanel::DoDrawIndicator (this=0x9d3ec08, dc=@0xbfd29c70)
    at TrackPanel.cpp:960
#5 0x0816a296 in TrackPanel::OnPaint (this=0x9d3ec08) at TrackPanel.cpp:1159
#6 0xb76fd231 in wxAppConsole::HandleEvent () from /usr/lib/libwx_baseu-2.8.so.0
#7 0xb779c49a in wxEvtHandler::ProcessEventIfMatches () from /usr/lib/libwx_baseu-2.8.so.0
#8 0xb779d6b4 in wxEventHashTable::HandleEvent () from /usr/lib/libwx_baseu-2.8.so.0
#9 0xb779d7bb in wxEvtHandler::ProcessEvent () from /usr/lib/libwx_baseu-2.8.so.0
#10 0xb798beb0 in wxWindow::GtkSendPaintEvents () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#11 0xb798c46d in ?? () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#12 0xb6cc4526 in _gtk_marshal_BOOLEAN__BOXED (closure=0x9d3c0b8, return_value=0xbfd2a240,
    n_param_values=2, param_values=0xb3057ac8, invocation_hint=0xbfd2a22c,
    marshal_data=0xb798c3e0) at /build/buildd/gtk+2.0-2.16.1/gtk/gtkmarshalers.c:84
#13 0xb6b5ac7b in IA__g_closure_invoke (closure=0x9d3c0b8, return_value=0xbfd2a240,
    n_param_values=2, param_values=0xb3057ac8, invocation_hint=0xbfd2a22c)
    at /build/buildd/glib2.0-2.20.1/gobject/gclosure.c:767
#14 0xb6b70e57 in signal_emit_unlocked_R (node=0x98e3858, detail=0, instance=0x9ce5520,
    emission_return=0xbfd2a378, instance_and_params=0xb3057ac8)
    at /build/buildd/glib2.0-2.20.1/gobject/gsignal.c:3247
#15 0xb6b7234f in IA__g_signal_emit_valist (instance=0x9ce5520, signal_id=38, detail=0,
    var_args=0xbfd2a3d0 "è£ҿ\204¤ҿ UÎ\töT޶ UÎ\t\200\024\215\t")
    at /build/buildd/glib2.0-2.20.1/gobject/gsignal.c:2990
#16 0xb6b72936 in IA__g_signal_emit (instance=0x9ce5520, signal_id=38, detail=0)
    at /build/buildd/glib2.0-2.20.1/gobject/gsignal.c:3037
#17 0xb6ddf2ae in gtk_widget_event_internal (widget=0x9ce5520, event=0xbfd2a484)
    at /build/buildd/gtk+2.0-2.16.1/gtk/gtkwidget.c:4761
#18 0xb6cbe56d in IA__gtk_main_do_event (event=0xbfd2a484)
    at /build/buildd/gtk+2.0-2.16.1/gtk/gtkmain.c:1558
#19 0xb6a25e95 in gdk_window_process_updates_internal (window=0x9d99aa0)
    at /build/buildd/gtk+2.0-2.16.1/gdk/gdkwindow.c:2611
#20 0xb6a264af in IA__gdk_window_process_all_updates ()
    at /build/buildd/gtk+2.0-2.16.1/gdk/gdkwindow.c:2677
#21 0xb6a264db in gdk_window_update_idle (data=0x0)
    at /build/buildd/gtk+2.0-2.16.1/gdk/gdkwindow.c:2521
#22 0xb6a098fb in gdk_threads_dispatch (data=0xa699470)
    at /build/buildd/gtk+2.0-2.16.1/gdk/gdk.c:498
#23 0xb6acec81 in g_idle_dispatch (source=0xa7414b8, callback=0x34c, user_data=0xa699470)
    at /build/buildd/glib2.0-2.20.1/glib/gmain.c:3922
#24 0xb6ad0b88 in IA__g_main_context_dispatch (context=0x989a500)
    at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#25 0xb6ad40eb in g_main_context_iterate (context=0x989a500, block=1, dispatch=1,
    self=0x9889ca0) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#26 0xb6ad45ba in IA__g_main_loop_run (loop=0x9d08158)
    at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2656
#27 0xb6cbe7d9 in IA__gtk_main () at /build/buildd/gtk+2.0-2.16.1/gtk/gtkmain.c:1205
#28 0xb7975215 in wxEventLoop::Run () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#29 0xb7a0bd4e in wxAppBase::MainLoop () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#30 0xb7a0b921 in wxAppBase::OnRun () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#31 0xb7736daa in wxEntry () from /usr/lib/libwx_baseu-2.8.so.0
#32 0xb7736fa7 in wxEntry () from /usr/lib/libwx_baseu-2.8.so.0
#33 0x08081ac0 in main (argc=163379408, argv=0x34c) at AudacityApp.cpp:383

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
Package: audacity 1.3.7-2ubuntu1
ProcEnviron:
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: audacity
Uname: Linux 2.6.28-11-generic i686