[Bug 2019953] [NEW] plasma-discover crashes on exit

[Niklas Sombert]

Public bug reported:

I get the notification that there are updates available, install the
updates and then quit Discover. It always crashes on exit.

This doesn't impact the usage in any way, but it's still annoying.
This has been happening for a long time now (possible since the upgrade to 22.04), but I haven't had the motivation to report this yet.

Application: Discover (plasma-discover), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fea8f23d275 in QQuickWindow::mouseGrabberItem() const () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fea8f23faef in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool, bool) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fea8f227195 in QQuickItemPrivate::derefWindow() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fea8f227d58 in QQuickItem::setParentItem(QQuickItem*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fea8f22803c in QQuickItem::~QQuickItem() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fea8f3a9859 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fea8d69ca6e in QObjectPrivate::deleteChildren() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fea8d6a7924 in QObject::~QObject() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fea8f3a9859 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007fea8d69ca6e in QObjectPrivate::deleteChildren() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fea8d6a7924 in QObject::~QObject() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fea8f3aa789 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fea8d69ca6e in QObjectPrivate::deleteChildren() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fea8d6a7924 in QObject::~QObject() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fea7c081609 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so
#19 0x00007fea8e0a6463 in QV4::MemoryManager::sweep(bool, void (*)(char const*)) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007fea8e0a65a9 in QV4::MemoryManager::~MemoryManager() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007fea8e1230e4 in QV4::ExecutionEngine::~ExecutionEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007fea8e10d7e2 in QJSEngine::~QJSEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007fea8e2eba3d in QQmlApplicationEngine::~QQmlApplicationEngine() () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x0000558114ba1411 in  ()
#25 0x0000558114ba143d in  ()
#26 0x00007fea8d69f1c3 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fea8e81d713 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fea8d671e3a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fea8d674f27 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fea8d678d0c in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x0000558114b9f838 in  ()
#32 0x00007fea8cf8fd90 in __libc_start_call_main (main=main at entry=0x558114b9ef40, argc=argc at entry=3, argv=argv at entry=0x7ffd704e93f8) at ../sysdeps/nptl/libc_start_call_main.h:58
#33 0x00007fea8cf8fe40 in __libc_start_main_impl (main=0x558114b9ef40, argc=3, argv=0x7ffd704e93f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd704e93e8) at ../csu/libc-start.c:392
#34 0x0000558114ba0275 in  ()
[Inferior 1 (process 59216) detached]

niklas at trittstufe:~$ lsb_release -rd
Description:    Ubuntu 22.04.2 LTS
Release:        22.04
niklas at trittstufe:~$ apt-cache policy plasma-discover
plasma-discover:
  Installed: 5.24.7-0ubuntu0.1
  Candidate: 5.24.7-0ubuntu0.1
  Version table:
 *** 5.24.7-0ubuntu0.1 500
        500 http://de.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages
        100 /var/lib/dpkg/status
     5.24.7-0ubuntu0.1~ubuntu22.04~ppa1 500
        500 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu jammy/main amd64 Packages
     5.24.4-0ubuntu1 500
        500 http://de.archive.ubuntu.com/ubuntu jammy/universe amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: plasma-discover 5.24.7-0ubuntu0.1
ProcVersionSignature: Ubuntu 5.15.0-72.79-generic 5.15.98
Uname: Linux 5.15.0-72-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.4
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Wed May 17 10:37:45 2023
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-12-11 (2713 days ago)
InstallationMedia: Kubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
SourcePackage: plasma-discover
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: plasma-discover (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy third-party-packages

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https://bugs.launchpad.net/bugs/2019953

Title:
  plasma-discover crashes on exit

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