https://bugs.kde.org/show_bug.cgi?id=503178
Bug ID: 503178
Summary: KDevelop Crashing While Editing / Mouse Clicking
Classification: I don't know
Product: kde
Version: unspecified
Platform: unspecified
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: prue...@webcodex.de
Target Milestone: ---
Application: kdevelop (5.10.221202 (22.12.2))
Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.1.0-33-amd64 x86_64
Windowing System: X11
Distribution: Devuan GNU/Linux 5 (daedalus)
DrKonqi: 5.27.5 [KCrashBackend]
-- Information about the crash:
Randomly crashing on X11 / Wayland / Multiple Linux Variants / Kernel 6.1.0-33.
I assume after reading the duplicate
https://bugs.kde.org/show_bug.cgi?id=447740 that this bug is related to
keyboard / mouse input handling (kernel change? / KDE input processing change?
/ QT input processing change?). Due to the fact that the bug appears on many
Linux Variants i used, also Virtual Machines and internet-less setups (always
KDevelop), it is unlikely that some other process (malware) is causing this
behaviour. But dont underestimate malware developers :).
First i was suspecting the source-code inspection / formating trigger (maybe in
combination with event / mouse handling) but can not find any reference in the
already submitted backtraces. The first backtrace does not mention mouse
processing at all. All backtraces mention the QT "QEventDispatcher". Maybe
switch to multiple Events in parallel in Kate / QT interfaces? Or when multiple
mouse clicks occur in a short period of time? Or null-pointer when an event has
already be deleted / order processing of the event queue?
Hope to help finding the bug since it exists quite a long time.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[KCrash Handler]
#4 0x00007fbbec10d21c in QAccessibleObject::object() const () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#5 0x00007fbbecbb618a in QAccessibleWidget::isValid() const () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6 0x00007fbbec106888 in QAccessibleEvent::accessibleInterface() const () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7 0x00007fbbec106dad in QAccessible::updateAccessibility(QAccessibleEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8 0x00007fbbe95f84ae in KateViewInternal::cursorMoved() () from
/usr/lib/x86_64-linux-gnu/libKF5TextEditor.so.5
#9 0x00007fbbe95fefb6 in KateViewInternal::updateCursor(KTextEditor::Cursor,
bool, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5TextEditor.so.5
#10 0x00007fbbe9601378 in KateViewInternal::placeCursor(QPoint const&, bool,
bool) () from /usr/lib/x86_64-linux-gnu/libKF5TextEditor.so.5
#11 0x00007fbbe96069f8 in KateViewInternal::mousePressEvent(QMouseEvent*) ()
from /usr/lib/x86_64-linux-gnu/libKF5TextEditor.so.5
#12 0x00007fbbec9a4db8 in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fbbec962fae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fbbec96b552 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fbbebcb1738 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fbbec96965e in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fbbec9bdbd8 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fbbec9c0f60 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fbbec962fae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fbbebcb1738 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fbbec13d42d in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007fbbec111cec in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#23 0x00007fbbe00fbeca in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#24 0x00007fbbe791e7a9 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fbbe791ea38 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fbbe791eacc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fbbebd09876 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fbbebcb01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fbbebcb8316 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x000055a27a376699 in ?? ()
#31 0x00007fbbeb84624a in __libc_start_call_main
(main=main@entry=0x55a27a371cc0, argc=argc@entry=1,
argv=argv@entry=0x7ffdc80ac2c8) at ../sysdeps/nptl/libc_start_call_main.h:58
#32 0x00007fbbeb846305 in __libc_start_main_impl (main=0x55a27a371cc0, argc=1,
argv=0x7ffdc80ac2c8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffdc80ac2b8) at ../csu/libc-start.c:360
#33 0x000055a27a377281 in ?? ()
[Inferior 1 (process 4620) detached]
Reported using DrKonqi
This report was filed against 'kde' because the product 'kdevelop' could not be
located in Bugzilla. Add it to drkonqi's mappings file!
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