https://bugs.kde.org/show_bug.cgi?id=394375
Bug ID: 394375
Summary: Kate crashes when undoing a file restoration
Product: kate
Version: 18.04.1
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: normal
Priority: NOR
Component: general
Assignee: kwrite-bugs-n...@kde.org
Reporter: mayeul.can...@live.fr
Target Milestone: ---
Application: kate (18.04.1)
Qt Version: 5.10.1
Frameworks Version: 5.46.0
Operating System: Linux 4.16.8-1-ARCH x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
- What I was doing when the application crashed:
I opened a file in Kate, and it offered me to restore its contents as it hadn't
been closed correctly [1]. I couldn't display the diff [2], so I chose to
restore the file. I then decided it wasn't worth it, so I hit Ctrl+Z to undo
the restoration. Kate crashed.
[1] I moved the file around before saving it (which, strangely, made kate
display an authentication window upon hitting ctrl+s).
[2] probably due to kompare or kdiff not being installed; though vimdiff -- or
even diff -- could have been used as an alternative.
The crash can be reproduced every time.
-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fadbbb3f600 (LWP 7193))]
Thread 11 (Thread 0x7fad825f9700 (LWP 7206)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 10 (Thread 0x7fad82dfa700 (LWP 7205)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 9 (Thread 0x7fad835fb700 (LWP 7204)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 8 (Thread 0x7fad83dfc700 (LWP 7202)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 7 (Thread 0x7fad90fd7700 (LWP 7201)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7fad917d8700 (LWP 7200)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7fad91fd9700 (LWP 7198)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7fad927da700 (LWP 7197)):
#0 0x00007fadb1eb6ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fadb6b3af9c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fad953e2149 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3 0x00007fad953e6029 in () at /usr/lib/libKF5ThreadWeaver.so.5
#4 0x00007fad953e120d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5 0x00007fad953e4079 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#6 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#7 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7fad9d4e3700 (LWP 7195)):
#0 0x00007fadb6432ea9 in poll () at /usr/lib/libc.so.6
#1 0x00007fadafe8d523 in () at /usr/lib/libglib-2.0.so.0
#2 0x00007fadafe8d63e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3 0x00007fadb6d83254 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4 0x00007fadb6d2531b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5 0x00007fadb6b3471e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6 0x00007fadb71a6416 in () at /usr/lib/libQt5DBus.so.5
#7 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#8 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#9 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7fada6930700 (LWP 7194)):
#0 0x00007fadb6432ea9 in poll () at /usr/lib/libc.so.6
#1 0x00007fadb22d7180 in () at /usr/lib/libxcb.so.1
#2 0x00007fadb22d8e4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007fada96db82a in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007fadb6b39abd in () at /usr/lib/libQt5Core.so.5
#5 0x00007fadb1eb1075 in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007fadb643d53f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7fadbbb3f600 (LWP 7193)):
[KCrash Handler]
#6 0x00007fadbb5076da in () at /usr/lib/libKF5TextEditor.so.5
#7 0x00007fadbb505da4 in () at /usr/lib/libKF5TextEditor.so.5
#8 0x00007fadbb5095b9 in KateUndoManager::undo() () at
/usr/lib/libKF5TextEditor.so.5
#9 0x00007fadbb67320d in () at /usr/lib/libKF5TextEditor.so.5
#10 0x00007fadb6d57606 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#11 0x00007fadb81fa533 in QAction::triggered(bool) () at
/usr/lib/libQt5Widgets.so.5
#12 0x00007fadb81fcdb6 in QAction::activate(QAction::ActionEvent) () at
/usr/lib/libQt5Widgets.so.5
#13 0x00007fadb81fd766 in QAction::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#14 0x00007fadb8200fec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#15 0x00007fadb82089c6 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#16 0x00007fadb6d26ce0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#17 0x00007fadb7a25bd9 in QShortcutMap::dispatchEvent(QKeyEvent*) () at
/usr/lib/libQt5Gui.so.5
#18 0x00007fadb7a25cae in QShortcutMap::tryShortcut(QKeyEvent*) () at
/usr/lib/libQt5Gui.so.5
#19 0x00007fadb79d31ed in QWindowSystemInterface::handleShortcutEvent(QWindow*,
unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int,
unsigned int, QString const&, bool, unsigned short) () at
/usr/lib/libQt5Gui.so.5
#20 0x00007fadb79f2d18 in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
() at /usr/lib/libQt5Gui.so.5
#21 0x00007fadb79f7f66 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#22 0x00007fadb79cf29c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#23 0x00007fada976348d in () at /usr/lib/libQt5XcbQpa.so.5
#24 0x00007fadb6d2531b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#25 0x00007fadb6d2e718 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#26 0x000055dbd5dcd66d in ()
#27 0x00007fadb636806b in __libc_start_main () at /usr/lib/libc.so.6
#28 0x000055dbd5dcee6a in _start ()
Reported using DrKonqi
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