Bug 309451

Application: calligrawords (2.4.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-32-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
I hit CTRL + Z a few times while I was in an ordered list 2 levels deep.

-- Backtrace:
Application: Calligra Words (calligrawords), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3745c477c0 (LWP 21690))]

Thread 3 (Thread 0x7f3720f0a700 (LWP 21691)):
#0  0x00007f3740041f69 in __pthread_mutex_lock (mutex=0x7f371c000a90) at pthread_mutex_lock.c:92
#1  0x00007f373fbae5a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f373fb721df in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f373fb72f04 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f373fb73164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3743c6e426 in QEventDispatcherGlib::processEvents (this=0x7f371c0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f3743c3dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f3743c3ded7 in QEventLoop::exec (this=0x7f3720f09cd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f3743b3cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f3743c1d9ff in QInotifyFileSystemWatcherEngine::run (this=0x13fedb0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f3743b3ffcb in QThreadPrivate::start (arg=0x13fedb0) at thread/qthread_unix.cpp:298
#11 0x00007f3738995764 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007f374003fe9a in start_thread (arg=0x7f3720f0a700) at pthread_create.c:308
#13 0x00007f374559ecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f371bb7c700 (LWP 21695)):
#0  0x00007f3745593303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f373fb73036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f373fb73164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3743c6e426 in QEventDispatcherGlib::processEvents (this=0x7f37140008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f3743c3dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f3743c3ded7 in QEventLoop::exec (this=0x7f371bb7bcd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f3743b3cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f3743c1d9ff in QInotifyFileSystemWatcherEngine::run (this=0x162aeb0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f3743b3ffcb in QThreadPrivate::start (arg=0x162aeb0) at thread/qthread_unix.cpp:298
#9  0x00007f3738995764 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f374003fe9a in start_thread (arg=0x7f371bb7c700) at pthread_create.c:308
#11 0x00007f374559ecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3745c477c0 (LWP 21690)):
[KCrash Handler]
#6  size (this=<error reading variable: Cannot access memory at address 0x8>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:98
#7  count (this=<error reading variable: Cannot access memory at address 0x8>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:280
#8  QTextList::count (this=0x0) at text/qtextlist.cpp:136
#9  0x00007f37420c32f3 in ChangeListCommand::undo (this=0x2f9d950) at /build/buildd/calligra-2.4.0/libs/kotext/commands/ChangeListCommand.cpp:300
#10 0x00007f374107719e in undo (this=0x112b150) at /build/buildd/calligra-2.4.0/libs/kundo2/kundo2stack.cpp:683
#11 KUndo2QStack::undo (this=0x112b150) at /build/buildd/calligra-2.4.0/libs/kundo2/kundo2stack.cpp:672
#12 0x00007f3743c53281 in QMetaObject::activate (sender=0x18ff430, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff32ffb340) at kernel/qobject.cpp:3547
#13 0x00007f3744632132 in QAction::triggered (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#14 0x00007f374463231f in QAction::activate (this=0x18ff430, event=<optimized out>) at kernel/qaction.cpp:1257
#15 0x00007f374463248f in QAction::event (this=<optimized out>, e=<optimized out>) at kernel/qaction.cpp:1183
#16 0x00007f3740b52a6a in KAction::event (this=<optimized out>, event=0x7fff32ffb960) at ../../kdeui/actions/kaction.cpp:131
#17 0x00007f3744638894 in notify_helper (e=0x7fff32ffb960, receiver=0x18ff430, this=0xf0d1c0) at kernel/qapplication.cpp:4559
#18 QApplicationPrivate::notify_helper (this=0xf0d1c0, receiver=0x18ff430, e=0x7fff32ffb960) at kernel/qapplication.cpp:4531
#19 0x00007f374463d713 in QApplication::notify (this=0x7fff32ffcdd0, receiver=0x18ff430, e=0x7fff32ffb960) at kernel/qapplication.cpp:4420
#20 0x00007f3740c3b3f6 in KApplication::notify (this=0x7fff32ffcdd0, receiver=0x18ff430, event=0x7fff32ffb960) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f3743c3ee9c in QCoreApplication::notifyInternal (this=0x7fff32ffcdd0, receiver=0x18ff430, event=0x7fff32ffb960) at kernel/qcoreapplication.cpp:876
#22 0x00007f374466a8b9 in sendEvent (event=0x7fff32ffb960, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QShortcutMap::dispatchEvent (this=<optimized out>, e=0x7fff32ffbf00) at kernel/qshortcutmap.cpp:879
#24 0x00007f374466bd8a in QShortcutMap::tryShortcutEvent (this=0xf0d2e0, o=<optimized out>, e=0x7fff32ffbf00) at kernel/qshortcutmap.cpp:364
#25 0x00007f374463ef92 in QApplication::notify (this=0x7fff32ffcdd0, receiver=0x1a9bed0, e=0x7fff32ffbf00) at kernel/qapplication.cpp:3983
#26 0x00007f3740c3b3f6 in KApplication::notify (this=0x7fff32ffcdd0, receiver=0x1a9bed0, event=0x7fff32ffbf00) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f3743c3ee9c in QCoreApplication::notifyInternal (this=0x7fff32ffcdd0, receiver=0x1a9bed0, event=0x7fff32ffbf00) at kernel/qcoreapplication.cpp:876
#28 0x00007f37446dcc49 in QKeyMapper::sendKeyEvent (keyWidget=0x1a9bed0, grab=<optimized out>, type=QEvent::KeyPress, code=90, modifiers=..., text=..., autorepeat=false, count=1, nativeScanCode=52, nativeVirtualKey=122, nativeModifiers=4) at kernel/qkeymapper_x11.cpp:1866
#29 0x00007f37446dd0bb in QKeyMapperPrivate::translateKeyEvent (this=0xf54ca0, keyWidget=0x1a9bed0, event=0x7fff32ffc9f0, grab=false) at kernel/qkeymapper_x11.cpp:1836
#30 0x00007f37446b7637 in QApplication::x11ProcessEvent (this=0x7fff32ffcdd0, event=0x7fff32ffc9f0) at kernel/qapplication_x11.cpp:3625
#31 0x00007f37446e10d2 in x11EventSourceDispatch (s=0xf0b460, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f373fb72d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f373fb730a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f373fb73164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f3743c6e3bf in QEventDispatcherGlib::processEvents (this=0xe4f470, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x00007f37446e0d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f3743c3dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f3743c3ded7 in QEventLoop::exec (this=0x7fff32ffcd90, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f3743c42f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#40 0x00007f374586d03d in kdemain (argc=<optimized out>, argv=0x7fff32ffcf78) at /build/buildd/calligra-2.4.0/words/part/main.cpp:43
#41 0x00007f37454cc76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff32ffcf78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff32ffcf68) at libc-start.c:226
#42 0x0000000000400671 in _start ()

Reported using DrKonqi