Crash in QTextLine::height() const

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An owning problem doesn't exist yet.
Component
ktouch
Last affected version
0:25.04.0-1.fc40
Executable
/usr/bin/ktouch
Error name
SIGSEGV 11
First occurrence
2026-11-04
Last occurrence
2026-11-04
Unique reports
1
Quality
-68

Statistics

Operating system Unique / Total count
Fedora 40 1 / 1
Operating system Count
Fedora 40 1
Architecture Count
x86_64 1
Related packages Count
ktouch 1
 0:25.04.0-1.fc40 1
google-noto-sans-math-fonts 1
 0:20240301-2.fc40 1

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
QTextLine::height() const
/lib64/libQt5Gui.so.5 0x23a6fb
Build id: a26e2b884e355dc10f9ee50bc76f60ebe69654c0 		-
2
LessonPainter::updateCursorRectangle()
/usr/bin/ktouch 0x4dae7
Build id: f5a6ba168c09b889fc6b0cf91cb931f0754bff8f 		-
3
LessonPainter::updateTrainingStatus() [clone .part.0]
/usr/bin/ktouch 0x54c86
Build id: f5a6ba168c09b889fc6b0cf91cb931f0754bff8f 		-
4
void doActivate<false>(QObject*, int, void**)
/lib64/libQt5Core.so.5 0x2e9d5e
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
5
void doActivate<false>(QObject*, int, void**)
/lib64/libQt5Core.so.5 0x2e9d5e
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
6
TrainingLineCore::keyPressEvent(QKeyEvent*)
/usr/bin/ktouch 0x57181
Build id: f5a6ba168c09b889fc6b0cf91cb931f0754bff8f 		-
7
QQuickItemPrivate::deliverKeyEvent(QKeyEvent*)
/lib64/libQt5Quick.so.5 0x27f04b
Build id: e6ec18f34ce38627dd1c75258eab2c96e6e85f16 		-
8
QQuickItem::event(QEvent*)
/lib64/libQt5Quick.so.5 0x27f2ab
Build id: e6ec18f34ce38627dd1c75258eab2c96e6e85f16 		-
9
QApplicationPrivate::notify_helper(QObject*, QEvent*)
/lib64/libQt5Widgets.so.5 0x18cc35
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
10
QCoreApplication::notifyInternal2(QObject*, QEvent*)
/lib64/libQt5Core.so.5 0x2b4fb8
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
11
QQuickWindowPrivate::deliverKeyEvent(QKeyEvent*)
/lib64/libQt5Quick.so.5 0x28de99
Build id: e6ec18f34ce38627dd1c75258eab2c96e6e85f16 		-
12
QWindow::event(QEvent*)
/lib64/libQt5Gui.so.5 0x168cb5
Build id: a26e2b884e355dc10f9ee50bc76f60ebe69654c0 		-
13
QApplicationPrivate::notify_helper(QObject*, QEvent*)
/lib64/libQt5Widgets.so.5 0x18cc35
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
14
QCoreApplication::notifyInternal2(QObject*, QEvent*)
/lib64/libQt5Core.so.5 0x2b4fb8
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
15
QWidget::event(QEvent*)
/lib64/libQt5Widgets.so.5 0x1d22e1
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
16
QApplicationPrivate::notify_helper(QObject*, QEvent*)
/lib64/libQt5Widgets.so.5 0x18cc35
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
17
QApplication::notify(QObject*, QEvent*)
/lib64/libQt5Widgets.so.5 0x194b6a
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
18
QCoreApplication::notifyInternal2(QObject*, QEvent*)
/lib64/libQt5Core.so.5 0x2b4fb8
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
19
QWidgetWindow::event(QEvent*)
/lib64/libQt5Widgets.so.5 0x1ef6aa
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
20
QApplicationPrivate::notify_helper(QObject*, QEvent*)
/lib64/libQt5Widgets.so.5 0x18cc35
Build id: 72abf931d2d38e667637d32f516b626876febb5f 		-
21
QCoreApplication::notifyInternal2(QObject*, QEvent*)
/lib64/libQt5Core.so.5 0x2b4fb8
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
22
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
/lib64/libQt5Gui.so.5 0x159363
Build id: a26e2b884e355dc10f9ee50bc76f60ebe69654c0 		-
23
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt5Gui.so.5 0x139d5c
Build id: a26e2b884e355dc10f9ee50bc76f60ebe69654c0 		-
24
xcbSourceDispatch(_GSource*, int (*)(void*), void*)
/lib64/libQt5XcbQpa.so.5 0x6bb96
Build id: 8ebedca5d50c86030efe02e7877d610a64f0d197 		-
25
g_main_context_dispatch_unlocked.lto_priv.0
/lib64/libglib-2.0.so.0 0x5d02c
Build id: c1b2ab1d795f60de663adaf74140f09f2b2fd034 		-
26
g_main_context_iterate_unlocked.isra.0
/lib64/libglib-2.0.so.0 0xbee20
Build id: c1b2ab1d795f60de663adaf74140f09f2b2fd034 		-
27
g_main_context_iteration
/lib64/libglib-2.0.so.0 0x5e503
Build id: c1b2ab1d795f60de663adaf74140f09f2b2fd034 		-
28
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt5Core.so.5 0x309a2d
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
29
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt5Core.so.5 0x2b391b
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
30
QCoreApplication::exec()
/lib64/libQt5Core.so.5 0x2bbd86
Build id: 9a8d7b1f8367aa8f6901573319fb56caee93f9a9 		-
31
main
/usr/bin/ktouch 0x2ea05
Build id: f5a6ba168c09b889fc6b0cf91cb931f0754bff8f 		-
32
__libc_start_call_main
/lib64/libc.so.6 0x2a088
Build id: fc3b3c4da3283cd44c006682a30b9df3242de053 		-
33
__libc_start_main@@GLIBC_2.34
/lib64/libc.so.6 0x2a14b
Build id: fc3b3c4da3283cd44c006682a30b9df3242de053 		-
34
_start
/usr/bin/ktouch 0x2ee05
Build id: f5a6ba168c09b889fc6b0cf91cb931f0754bff8f 		-