Bug 415611

Summary:	Plasma crashing when login as root....
Product:	[Frameworks and Libraries] libplasma	Reporter:	André Verwijs <dutchgigalo>
Component:	components	Assignee:	Marco Martin <notmart>
Status:	RESOLVED FIXED
Severity:	crash	CC:	jaak, kde, m.hrabovsky, plasma-bugs-null, wbauer1
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	5.65.0
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:	https://cgit.kde.org/plasma-framework.git/commit/?id=6756d00fba11ca2af921a67acdb5e3c92e23bb8a	Version Fixed/Implemented In:	5.66
Sentry Crash Report:

Description André Verwijs 2019-12-27 15:35:12 UTC

Application: plasmashell (5.17.4)

Qt Version: 5.12.6
Frameworks Version: 5.65.0
Operating System: Linux 5.3.16-lp152.1-default x86_64
Distribution: openSUSE Leap 15.2 Alpha

-- Information about the crash:
System information:
(will add this later..)  

- What I was doing when the application crashed:
try to login as root...

Plasma is crashing when try to login as root, this shoul be possible..

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f99e6c9d380 (LWP 2414))]

Thread 7 (Thread 0x7f9994a51700 (LWP 2496)):
#0  0x00007f99e03246a0 in clock_gettime () at /lib64/libc.so.6
#1  0x00007f99e0ca1b31 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007f99e0ca0369 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#3  0x00007f99e0ca0945 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f99e0ca1f8e in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f99da634709 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f99da6350db in  () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f99da6352bc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f99e0ca224b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#9  0x00007f99e0c4335a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f99e0a6912a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#11 0x00007f9997373c37 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#12 0x00007f99e0a6a8d2 in  () at /usr/lib64/libQt5Core.so.5
#13 0x00007f99ddbcb4f9 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f99e0316dbf in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f99a88ed700 (LWP 2490)):
#0  0x00007f99da67afd4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f99da6346fc in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f99da6350db in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f99da6352bc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f99e0ca224b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f99e0c4335a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f99e0a6912a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f99e4a42116 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f99e0a6a8d2 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f99ddbcb4f9 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f99e0316dbf in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f99b806a700 (LWP 2485)):
#0  0x00007f99ddbd183d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f99c0fa083b in  () at /usr/lib64/dri/nouveau_dri.so
#2  0x00007f99c0fa0547 in  () at /usr/lib64/dri/nouveau_dri.so
#3  0x00007f99ddbcb4f9 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f99e0316dbf in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f99c96ce700 (LWP 2469)):
#0  0x00007f99e0ca1f11 in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007f99da634709 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f99da6350db in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f99da6352bc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f99e0ca224b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f99e0c4335a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f99e0a6912a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f99e456ebc5 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f99e0a6a8d2 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f99ddbcb4f9 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f99e0316dbf in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f99cb757700 (LWP 2443)):
#0  0x00007f99e030c56b in poll () at /lib64/libc.so.6
#1  0x00007f99da6351a9 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f99da6352bc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f99e0ca224b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f99e0c4335a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f99e0a6912a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f99e1d6bcd5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f99e0a6a8d2 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f99ddbcb4f9 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f99e0316dbf in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f99d194f700 (LWP 2430)):
#0  0x00007f99e030c56b in poll () at /lib64/libc.so.6
#1  0x00007f99e56a3307 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f99e56a4f3a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f99d432f300 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f99e0a6a8d2 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f99ddbcb4f9 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f99e0316dbf in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f99e6c9d380 (LWP 2414)):
[KCrash Handler]
#6  0x00007f999a0b8dd6 in  () at /usr/lib64/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#7  0x00007f999a0c5f6c in  () at /usr/lib64/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#8  0x00007f999a0c6943 in  () at /usr/lib64/qt5/qml/org/kde/plasma/calendar/libcalendarplugin.so
#9  0x00007f99e44bbdb8 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f99e441417c in  () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f99e441584f in QV4::QObjectWrapper::virtualResolveLookupGetter(QV4::Object const*, QV4::ExecutionEngine*, QV4::Lookup*) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f99e4432130 in  () at /usr/lib64/libQt5Qml.so.5
#13 0x00007f99e4436926 in  () at /usr/lib64/libQt5Qml.so.5
#14 0x00007f99e43c59eb in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /usr/lib64/libQt5Qml.so.5
#15 0x00007f99e4539c67 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib64/libQt5Qml.so.5
#16 0x00007f99e453fa8e in QQmlBinding::evaluate(bool*) () at /usr/lib64/libQt5Qml.so.5
#17 0x00007f99e4544742 in  () at /usr/lib64/libQt5Qml.so.5
#18 0x00007f99e4540d63 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#19 0x00007f99e454fb80 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at /usr/lib64/libQt5Qml.so.5
#20 0x00007f99e44d9272 in  () at /usr/lib64/libQt5Qml.so.5
#21 0x00007f99e44d980c in QQmlEnginePrivate::incubate(QQmlIncubator&, QQmlContextData*) () at /usr/lib64/libQt5Qml.so.5
#22 0x00007f99e44d60fc in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () at /usr/lib64/libQt5Qml.so.5
#23 0x00007f99e4fbc350 in KDeclarative::QmlObject::createObjectFromComponent(QQmlComponent*, QQmlContext*, QHash<QString, QVariant> const&) () at /usr/lib64/libKF5Declarative.so.5
#24 0x00007f99e688b74c in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#25 0x00007f99e688ba3b in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#26 0x00007f99e688bf14 in  () at /usr/lib64/libKF5PlasmaQuick.so.5
#27 0x00007f99e0c81c84 in  () at /usr/lib64/libQt5Core.so.5
#28 0x00007f99e0c7581b in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#29 0x00007f99e25e0a0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#30 0x00007f99e25e8000 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#31 0x00007f99e0c45108 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f99e0ca1699 in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#33 0x00007f99e0ca1e99 in  () at /usr/lib64/libQt5Core.so.5
#34 0x00007f99da634e87 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#35 0x00007f99da635230 in  () at /usr/lib64/libglib-2.0.so.0
#36 0x00007f99da6352bc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#37 0x00007f99e0ca222f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#38 0x00007f99e0c4335a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#39 0x00007f99e0c4c560 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#40 0x000055757e50be8f in  ()
#41 0x00007f99e023f34a in __libc_start_main () at /lib64/libc.so.6
#42 0x000055757e50c14a in _start ()
[Inferior 1 (process 2414) detached]

Possible duplicates by query: bug 415574, bug 415530, bug 415522, bug 415496, bug 415493.

Reported using DrKonqi

Comment 1 Wolfgang Bauer 2020-01-15 11:03:08 UTC

Fixed by https://cgit.kde.org/plasma-framework.git/commit/?id=6756d00fba11ca2af921a67acdb5e3c92e23bb8a

Comment 2 David Edmundson 2020-01-15 11:27:15 UTC

And in any case logging in as root is not supported.

Comment 3 Wolfgang Bauer 2020-01-15 13:02:24 UTC

(In reply to David Edmundson from comment #2)
> And in any case logging in as root is not supported.
This crash was not caused by logging in as root per se though, but rather because $LANG was set to POSIX. (it was reproducable on a normal user account as well with the same locale settings or running LANG=POSIX plasmashell...)

See the downstream bug report:
http://bugzilla.opensuse.org/show_bug.cgi?id=1159871

Comment 4 Wolfgang Bauer 2020-01-29 11:17:39 UTC

*** Bug 415686 has been marked as a duplicate of this bug. ***

Comment 5 Wolfgang Bauer 2020-01-29 11:22:07 UTC

*** Bug 415574 has been marked as a duplicate of this bug. ***