https://bugs.kde.org/show_bug.cgi?id=397224

            Bug ID: 397224
           Summary: Tranform layer tool crashes krita
           Product: krita
           Version: 4.1.0
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: General
          Assignee: krita-bugs-n...@kde.org
          Reporter: hxkh...@gmail.com
  Target Milestone: ---

Application: krita (4.1.0)

Qt Version: 5.9.6
Frameworks Version: 5.47.0
Operating System: Linux 4.17.11-100.fc27.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
Every time transform layer tool is clicked or ctrl+T is used krita produces
segmentation fault

The crash can be reproduced every time.

-- Backtrace:
Application: Krita (krita), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1cee19d940 (LWP 11937))]

Thread 7 (Thread 0x7f1c9bd3a700 (LWP 11990)):
#0  0x00007f1ce0691472 in g_poll () at /lib64/libglib-2.0.so.0
#1  0x00007f1ce0681eb9 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f1ce0681fcc in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f1ce36fcd3b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f1ce36aaa3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f1ce34fba1a in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f1ca4f09576 in QQuickPixmapReader::run() () at
/lib64/libQt5Quick.so.5
#7  0x00007f1ce34fff32 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f1ce169d50b in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1ce28b016f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f1ca47e1700 (LWP 11989)):
#0  0x00007f1ce28a1738 in read () at /lib64/libc.so.6
#1  0x00007f1ce06c6160 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f1ce06819c8 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f1ce0681e60 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f1ce0681fcc in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f1ce36fcd3b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6  0x00007f1ce36aaa3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7  0x00007f1ce34fba1a in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f1ca4ac4565 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x00007f1ce34fff32 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f1ce169d50b in start_thread () at /lib64/libpthread.so.0
#11 0x00007f1ce28b016f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f1ca3fe0700 (LWP 11986)):
#0  0x00007f1ce16a382d in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f1ce350068b in QWaitCondition::wait(QMutex*, unsigned long) () at
/lib64/libQt5Core.so.5
#2  0x00007f1ce34fa6df in QSemaphore::tryAcquire(int, int) () at
/lib64/libQt5Core.so.5
#3  0x00007f1cebee8c6a in KisTileDataSwapper::run() () at
/lib64/libkritaimage.so.17
#4  0x00007f1ce34fff32 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007f1ce169d50b in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1ce28b016f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f1cbffff700 (LWP 11943)):
#0  0x00007f1ce28a5c6b in poll () at /lib64/libc.so.6
#1  0x00007f1ce0681eb9 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f1ce0682252 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007f1ccc593c86 in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007f1ce06a9546 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f1ce169d50b in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1ce28b016f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f1cc4a86700 (LWP 11942)):
#0  0x00007f1ce28a1738 in read () at /lib64/libc.so.6
#1  0x00007f1ce06c6160 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f1ce06819c8 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f1ce0681e60 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f1ce0681fcc in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f1ce0682011 in glib_worker_main () at /lib64/libglib-2.0.so.0
#6  0x00007f1ce06a9546 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#7  0x00007f1ce169d50b in start_thread () at /lib64/libpthread.so.0
#8  0x00007f1ce28b016f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f1cc58fc700 (LWP 11940)):
#0  0x00007f1ce34fef22 in QThreadData::current(bool) () at
/lib64/libQt5Core.so.5
#1  0x00007f1ce36fcc2a in postEventSourcePrepare(_GSource*, int*) () at
/lib64/libQt5Core.so.5
#2  0x00007f1ce0681419 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#3  0x00007f1ce0681deb in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f1ce0681fcc in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f1ce36fcd3b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6  0x00007f1ce36aaa3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7  0x00007f1ce34fba1a in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f1ce6998449 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#9  0x00007f1ce34fff32 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f1ce169d50b in start_thread () at /lib64/libpthread.so.0
#11 0x00007f1ce28b016f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f1cee19d940 (LWP 11937)):
[KCrash Handler]
#6  0x00007f1ca91b0eed in
KisToolTransform::initTransformMode(ToolTransformArgs::TransformMode) () at
/usr/lib64/kritaplugins/kritatooltransform.so
#7  0x00007f1ca91b661f in
KisToolTransform::startStroke(ToolTransformArgs::TransformMode, bool) () at
/usr/lib64/kritaplugins/kritatooltransform.so
#8  0x00007f1ca91b7845 in
KisToolTransform::activate(KoToolBase::ToolActivation, QSet<KoShape*> const&)
() at /usr/lib64/kritaplugins/kritatooltransform.so
#9  0x00007f1ceb0808d0 in KoToolManager::Private::postSwitchTool(bool) () at
/lib64/libkritaflake.so.17
#10 0x00007f1ceb080ec4 in KoToolManager::Private::switchTool(KoToolBase*, bool)
() at /lib64/libkritaflake.so.17
#11 0x00007f1ceb081531 in KoToolManager::Private::toolActivated(ToolHelper*) ()
at /lib64/libkritaflake.so.17
#12 0x00007f1ce36d4603 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#13 0x00007f1ceb18ccef in ToolHelper::toolActivated(ToolHelper*) () at
/lib64/libkritaflake.so.17
#14 0x00007f1ce36d4603 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#15 0x00007f1ce460de42 in QAbstractButton::clicked(bool) () at
/lib64/libQt5Widgets.so.5
#16 0x00007f1ce460e05a in QAbstractButtonPrivate::emitClicked() () at
/lib64/libQt5Widgets.so.5
#17 0x00007f1ce460f46d in QAbstractButtonPrivate::click() () at
/lib64/libQt5Widgets.so.5
#18 0x00007f1ce460f66d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /lib64/libQt5Widgets.so.5
#19 0x00007f1ce46ef00a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at
/lib64/libQt5Widgets.so.5
#20 0x00007f1ce455b298 in QWidget::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#21 0x00007f1ce46ef0ee in QToolButton::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#22 0x00007f1ce451c92c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#23 0x00007f1ce45246cf in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#24 0x00007f1ced67f387 in KisApplication::notify(QObject*, QEvent*) () at
/lib64/libkritaui.so.17
#25 0x00007f1ce36abcd7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#26 0x00007f1ce45236a2 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/lib64/libQt5Widgets.so.5
#27 0x00007f1ce457646b in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at
/lib64/libQt5Widgets.so.5
#28 0x00007f1ce4578b0f in QWidgetWindow::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#29 0x00007f1ce451c92c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#30 0x00007f1ce4524174 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#31 0x00007f1ced67f387 in KisApplication::notify(QObject*, QEvent*) () at
/lib64/libkritaui.so.17
#32 0x00007f1ce36abcd7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#33 0x00007f1ce3bfe973 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /lib64/libQt5Gui.so.5
#34 0x00007f1ce3c00585 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /lib64/libQt5Gui.so.5
#35 0x00007f1ce3bd97fb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQt5Gui.so.5
#36 0x00007f1cd1055c40 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5XcbQpa.so.5
#37 0x00007f1ce0681b97 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#38 0x00007f1ce0681f40 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#39 0x00007f1ce0681fcc in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#40 0x00007f1ce36fcd1f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#41 0x00007f1ce36aaa3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#42 0x00007f1ce36b3194 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#43 0x00005609da22bd3c in main ()

Possible duplicates by query: bug 395070.

Reported using DrKonqi

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