Application: krita (4.1.7.101)
 (Compiled from sources)
Qt Version: 5.11.3
Frameworks Version: 5.53.0
Operating System: Linux 4.19.16-200.fc28.x86_64 x86_64
Distribution: "Fedora release 28 (Twenty Eight)"

-- Information about the crash:
- What I was doing when the application crashed:
I was using the selection tools with the eraser when Krita crashed. I was using a wacom tablet and stylus. I had switched from airbrush to a different brush as well.

-- Backtrace:
Application: Krita (krita), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e5e879940 (LWP 30593))]

Thread 5 (Thread 0x7f9e0b2e9700 (LWP 30601)):
#0  0x00007f9e52467429 in poll () from /lib64/libc.so.6
#1  0x00007f9e4ffd8c56 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f9e4ffd8d80 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f9e53317d5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f9e532c65bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f9e5312ec16 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f9e33471a8a in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#7  0x00007f9e5313808b in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f9e51258594 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e52471f4f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f9e13a10700 (LWP 30600)):
#0  0x00007f9e52467429 in poll () from /lib64/libc.so.6
#1  0x00007f9e4ffd8c56 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f9e4ffd8d80 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f9e53317d5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f9e532c65bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f9e5312ec16 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f9e32fe8ce9 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f9e5313808b in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f9e51258594 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e52471f4f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f9e1320f700 (LWP 30599)):
#0  0x00007f9e5246c959 in syscall () from /lib64/libc.so.6
#1  0x00007f9e5312db30 in bool futexSemaphoreTryAcquire_loop<true>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) () from /lib64/libQt5Core.so.5
#2  0x00007f9e5312d8b2 in QSemaphore::tryAcquire(int, int) () from /lib64/libQt5Core.so.5
#3  0x00007f9e5b6ca04a in KisTileDataSwapper::run() () from /lib64/libkritaimage.so.17
#4  0x00007f9e5313808b in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f9e51258594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f9e52471f4f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f9e2a8b5700 (LWP 30596)):
#0  0x00007f9e52467429 in poll () from /lib64/libc.so.6
#1  0x00007f9e4ffd8c56 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f9e4ffd8d80 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f9e53317d5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f9e532c65bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f9e5312ec16 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f9e5769bb39 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#7  0x00007f9e5313808b in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f9e51258594 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e52471f4f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f9e5e879940 (LWP 30593)):
[KCrash Handler]
#6  0x00007f9e523aeeab in raise () from /lib64/libc.so.6
#7  0x00007f9e523995b9 in abort () from /lib64/libc.so.6
#8  0x00007f9e523f1777 in __libc_message () from /lib64/libc.so.6
#9  0x00007f9e523f7c0c in malloc_printerr () from /lib64/libc.so.6
#10 0x00007f9e523f9675 in _int_free () from /lib64/libc.so.6
#11 0x00007f9e53871a54 in QTabletEvent::~QTabletEvent() () from /lib64/libQt5Gui.so.5
#12 0x00007f9e5d62cc77 in processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent*) () from /lib64/libkritaui.so.17
#13 0x00007f9e5d626735 in QXcbConnection::xi2ReportTabletEvent(QXcbConnection::TabletData&, void*) () from /lib64/libkritaui.so.17
#14 0x00007f9e5d626a9c in QXcbConnection::xi2HandleTabletEvent(void*, QXcbConnection::TabletData*, QWindow*) () from /lib64/libkritaui.so.17
#15 0x00007f9e5d62a861 in QXcbConnection::xi2HandleEvent(xcb_ge_event_t*) () from /lib64/libkritaui.so.17
#16 0x00007f9e5d62e02c in KisXi2EventFilter::nativeEventFilter(QByteArray const&, void*, long*) () from /lib64/libkritaui.so.17
#17 0x00007f9e532c52ec in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /lib64/libQt5Core.so.5
#18 0x00007f9e3b60c5f4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /lib64/libQt5XcbQpa.so.5
#19 0x00007f9e3b60d183 in QXcbConnection::processXcbEvents() () from /lib64/libQt5XcbQpa.so.5
#20 0x00007f9e532f0556 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#21 0x00007f9e541ab565 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#22 0x00007f9e541b2c80 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#23 0x00007f9e5d5498eb in KisApplication::notify(QObject*, QEvent*) () from /lib64/libkritaui.so.17
#24 0x00007f9e532c7676 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#25 0x00007f9e532ca84b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#26 0x00007f9e53317fb7 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#27 0x00007f9e4ffd891d in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#28 0x00007f9e4ffd8ce8 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#29 0x00007f9e4ffd8d80 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#30 0x00007f9e53317d43 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#31 0x00007f9e3b69eb65 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5XcbQpa.so.5
#32 0x00007f9e532c65bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#33 0x00007f9e532ce686 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#34 0x000055fc33e5e5c7 in main ()

Possible duplicates by query: bug 403672, bug 401988.

Reported using DrKonqi