Bug 429206

Summary: Crash when search program
Product: [Plasma] krunner Reporter: BartÅ‚omiej Kida <bartlomiej>
Component: generalAssignee: Alexander Lohnau <alexander.lohnau>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.19.5   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Bartłomiej Kida 2020-11-16 18:06:26 UTC
Application: plasmashell (5.19.5)

Qt Version: 5.15.1
Frameworks Version: 5.75.0
Operating System: Linux 5.9.8-200.fc33.x86_64 x86_64
Windowing system: X11
Distribution: "Fedora release 33 (Thirty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
I clicked KDE menu -> on search box i wrote "nex" (because i would like run nextcloud). Then I see crash screen.

System: New Fedora 33. On fedora 32 this function work's fine.

The crash can be reproduced every time.

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fec91b1edcc in __strchr_avx2 () at /lib64/libc.so.6
#5  0x00007fec93d438ee in KDisplayManager::KDisplayManager() () at /lib64/libkworkspace5.so.5
#6  0x00007fec4002bbe9 in QObject* KPluginFactory::createInstance<SessionRunner, QObject>(QWidget*, QObject*, QList<QVariant> const&) () at /usr/lib64/qt5/plugins/krunner_sessions.so
#7  0x00007fec92f86092 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /lib64/libKF5CoreAddons.so.5
#8  0x00007fec5885c67e in Plasma::RunnerManagerPrivate::loadInstalledRunner(KPluginMetaData const&) () at /lib64/libKF5Runner.so.5
#9  0x00007fec5885d95c in Plasma::RunnerManagerPrivate::loadRunners() () at /lib64/libKF5Runner.so.5
#10 0x00007fec5885fdb1 in Plasma::RunnerManager::launchQuery(QString const&, QString const&) () at /lib64/libKF5Runner.so.5
#11 0x00007fec588600d5 in Plasma::RunnerManager::launchQuery(QString const&) () at /lib64/libKF5Runner.so.5
#12 0x00007fec91ffa256 in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007fec91ffde8a in QTimer::timeout(QTimer::QPrivateSignal) () at /lib64/libQt5Core.so.5
#14 0x00007fec91ff2d7f in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#15 0x00007fec92a1715f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007fec91fcbbe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#17 0x00007fec92015dd3 in QTimerInfoList::activateTimers() () at /lib64/libQt5Core.so.5
#18 0x00007fec9201668c in idleTimerSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#19 0x00007fec90571fd7 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#20 0x00007fec905c2d88 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#21 0x00007fec9056f41f in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#22 0x00007fec92016a2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#23 0x00007fec91fca64b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#24 0x00007fec91fd2010 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#25 0x000055abb8c4b195 in main ()
[Inferior 1 (process 1976) detached]

Possible duplicates by query: bug 429026, bug 428986, bug 428977, bug 428949, bug 428751.

Reported using DrKonqi
Comment 1 Nate Graham 2020-11-17 17:04:40 UTC
#4  0x00007fec91b1edcc in __strchr_avx2 () at /lib64/libc.so.6
#5  0x00007fec93d438ee in KDisplayManager::KDisplayManager() () at /lib64/libkworkspace5.so.5
#6  0x00007fec4002bbe9 in QObject* KPluginFactory::createInstance<SessionRunner, QObject>(QWidget*, QObject*, QList<QVariant> const&) () at /usr/lib64/qt5/plugins/krunner_sessions.so
#7  0x00007fec92f86092 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /lib64/libKF5CoreAddons.so.5
#8  0x00007fec5885c67e in Plasma::RunnerManagerPrivate::loadInstalledRunner(KPluginMetaData const&) () at /lib64/libKF5Runner.so.5
#9  0x00007fec5885d95c in Plasma::RunnerManagerPrivate::loadRunners() () at /lib64/libKF5Runner.so.5
#10 0x00007fec5885fdb1 in Plasma::RunnerManager::launchQuery(QString const&, QString const&) () at /lib64/libKF5Runner.so.5
#11 0x00007fec588600d5 in Plasma::RunnerManager::launchQuery(QString const&) () at /lib64/libKF5Runner.so.5
Comment 2 Nate Graham 2020-11-17 17:05:18 UTC
Would you be able to see if this reproduces in Plasma 5.20? KRunner got a lot of robustness fixes in that release, and 5.21 (upcoming) promises to be even better!
Comment 3 Alexander Lohnau 2020-12-17 08:06:18 UTC

*** This bug has been marked as a duplicate of bug 428415 ***