https://bugs.kde.org/show_bug.cgi?id=433245
Bug ID: 433245
Summary: Kdevelop debugger crashes on invalid command line
arguments
Product: kdevelop
Version: 5.6.2
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kdevelop-bugs-n...@kde.org
Reporter: bh...@hotmail.de
Target Milestone: ---
Application: kdevelop (5.6.2)
Qt Version: 5.15.2
Frameworks Version: 5.78.0
Operating System: Linux 5.10.15-200.fc33.x86_64 x86_64
Windowing system: X11
Distribution: "Fedora release 33 (Thirty Three)"
-- Information about the crash:
I have a start configuration with invalid command line options (in my case a
single '\' inbetween the arguments)
Then I started debugging:
* First there is a dialog which says something like "The debugger component
encountered an internal error while processing the reply from the debugger.
(...) The debug session will now end to prevent crash". This dialog does show
up twice somehow.
* Also a blue notification inside KDevelop appears with the text: "Gdb command
sent when debugger is not running. The command was: 0-exec-run"
* when closing the dialog windows, KDevelop crashes
The crash can be reproduced every time.
-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
[KCrash Handler]
#4 0x00007f1362e2e546 in
QQmlData::isSignalConnected(QAbstractDeclarativeData*, QObject const*, int) ()
at /lib64/libQt5Qml.so.5
#5 0x00007f13657afefa in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#6 0x00007f13392dba0b in KDevMI::MIDebugger::exited(bool, QString const&) ()
at /usr/lib64/qt5/plugins/kdevplatform/34/kdevgdb.so
#7 0x00007f13392cb339 in KDevMI::MIDebugger::processLine(QByteArray const&)
[clone .cold] () at /usr/lib64/qt5/plugins/kdevplatform/34/kdevgdb.so
#8 0x00007f13392eb163 in KDevMI::MIDebugger::readyReadStandardOutput() () at
/usr/lib64/qt5/plugins/kdevplatform/34/kdevgdb.so
#9 0x00007f13657b0386 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#10 0x00007f13657120d1 in
QProcess::readyReadStandardOutput(QProcess::QPrivateSignal) () at
/lib64/libQt5Core.so.5
#11 0x00007f1365715b1d in
QProcessPrivate::tryReadFromChannel(QProcessPrivate::Channel*) () at
/lib64/libQt5Core.so.5
#12 0x00007f1365715fe5 in QProcess::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f13657b03c0 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#14 0x00007f13657b377a in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () at
/lib64/libQt5Core.so.5
#15 0x00007f13657b3f21 in QSocketNotifier::event(QEvent*) () at
/lib64/libQt5Core.so.5
#16 0x00007f13663eeec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#17 0x00007f1365780bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#18 0x00007f13657ce157 in socketNotifierSourceDispatch(_GSource*, int
(*)(void*), void*) () at /lib64/libQt5Core.so.5
#19 0x00007f1361faaa9f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#20 0x00007f1361ffca98 in g_main_context_iterate.constprop () at
/lib64/libglib-2.0.so.0
#21 0x00007f1361fa7e73 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#22 0x00007f13657cd6f3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#23 0x00007f136577f57b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#24 0x00007f13665eef8f in QDialog::exec() () at /lib64/libQt5Widgets.so.5
#25 0x00007f136330ad97 in KMessageBox::createKMessageBox(QDialog*,
QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString
const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon)
() at /lib64/libKF5WidgetsAddons.so.5
#26 0x00007f136330b451 in KMessageBox::createKMessageBox(QDialog*,
QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&,
QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () at
/lib64/libKF5WidgetsAddons.so.5
#27 0x00007f136330f092 in KMessageBox::detailedSorryInternal(QDialog*, QString
const&, QString const&, QString const&, KGuiItem const&,
QFlags<KMessageBox::Option>) () at /lib64/libKF5WidgetsAddons.so.5
#28 0x00007f136330f516 in KMessageBox::detailedSorry(QWidget*, QString const&,
QString const&, QString const&, QFlags<KMessageBox::Option>) () at
/lib64/libKF5WidgetsAddons.so.5
#29 0x00007f13392cb2cf in KDevMI::MIDebugger::processLine(QByteArray const&)
[clone .cold] () at /usr/lib64/qt5/plugins/kdevplatform/34/kdevgdb.so
#30 0x00007f13392eb163 in KDevMI::MIDebugger::readyReadStandardOutput() () at
/usr/lib64/qt5/plugins/kdevplatform/34/kdevgdb.so
#31 0x00007f13657b0386 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#32 0x00007f13657120d1 in
QProcess::readyReadStandardOutput(QProcess::QPrivateSignal) () at
/lib64/libQt5Core.so.5
#33 0x00007f1365715b1d in
QProcessPrivate::tryReadFromChannel(QProcessPrivate::Channel*) () at
/lib64/libQt5Core.so.5
#34 0x00007f1365715fe5 in QProcess::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libQt5Core.so.5
#35 0x00007f13657b03c0 in void doActivate<false>(QObject*, int, void**) () at
/lib64/libQt5Core.so.5
#36 0x00007f13657b377a in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () at
/lib64/libQt5Core.so.5
#37 0x00007f13657b3f21 in QSocketNotifier::event(QEvent*) () at
/lib64/libQt5Core.so.5
#38 0x00007f13663eeec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#39 0x00007f1365780bd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#40 0x00007f13657ce157 in socketNotifierSourceDispatch(_GSource*, int
(*)(void*), void*) () at /lib64/libQt5Core.so.5
#41 0x00007f1361faaa9f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#42 0x00007f1361ffca98 in g_main_context_iterate.constprop () at
/lib64/libglib-2.0.so.0
#43 0x00007f1361fa7e73 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#44 0x00007f13657cd6f3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#45 0x00007f136577f57b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#46 0x00007f13657871b4 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#47 0x0000558967de930b in main ()
[Inferior 1 (process 28105) detached]
Possible duplicates by query: bug 432629, bug 432084, bug 431887, bug 431811,
bug 431391.
Reported using DrKonqi
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