https://bugs.kde.org/show_bug.cgi?id=400022

            Bug ID: 400022
           Summary: System Settings Add-On Installer crashed when
                    downloading icons
           Product: systemsettings
           Version: 5.12.6
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: siphomat...@gmail.com
  Target Milestone: ---

Application: systemsettings5 (5.12.6)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-36-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I was downloading the following icons:
* Flat Remix ICON theme - Flat-Remix-Dark_1.58r1
* Cupertino iCons - macOS11
* Antü
* Faenza-Cupertino
* Infinity
* Elementary-kde icons

The network was rather poor and the icons were taking a long time to download.
After a couple of minutes of waiting, with no additional input, it just
crashed.

I have been unable to reproduce the bug by downloading the same icons again.
The second time I tried to install the icons, they all installed successfully
except for Cupertino iCons and Elementary-kde icons which just kept downloading
until I got impatient.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8229082800 (LWP 4793))]

Thread 10 (Thread 0x7f81e49f2700 (LWP 6975)):
#0  0x00007f821e972d94 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f821e92c930 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92d36b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f822541290b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f82251d622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8220c7d6db in start_thread (arg=0x7f81e49f2700) at
pthread_create.c:463
#9  0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f81e600b700 (LWP 6939)):
#0  0x00007f8224ac50b4 in __GI___libc_read (fd=24, buf=0x7f81e600ab90,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f821e971a00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92cf27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f821e92d3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f822541290b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f82251d622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8220c7d6db in start_thread (arg=0x7f81e600b700) at
pthread_create.c:463
#10 0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f81e76ea700 (LWP 6937)):
#0  0x00007f8224ac50b4 in __GI___libc_read (fd=22, buf=0x7f81e76e9b90,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f821e971a00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92cf27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f821e92d3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f822541290b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f82251d622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8220c7d6db in start_thread (arg=0x7f81e76ea700) at
pthread_create.c:463
#10 0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f81ecc53700 (LWP 5184)):
#0  0x00007f8224ac9bf9 in __GI___poll (fds=0x5584dc658010, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f821e92d439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92d7d2 in g_main_loop_run () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f81ee405f66 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f821e954e85 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8220c7d6db in start_thread (arg=0x7f81ecc53700) at
pthread_create.c:463
#6  0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f81ed454700 (LWP 5183)):
#0  0x00007f8224ac50b4 in __GI___libc_read (fd=19, buf=0x7f81ed453ce0,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f821e971a00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92cf27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f821e92d3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f821e92d591 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f821e954e85 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f8220c7d6db in start_thread (arg=0x7f81ed454700) at
pthread_create.c:463
#8  0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f81f6809700 (LWP 4799)):
#0  0x00007f821e972d79 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f821e92c2e0 in g_main_context_acquire () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92d2f5 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f822541290b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f82251d622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8222d2b6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8220c7d6db in start_thread (arg=0x7f81f6809700) at
pthread_create.c:463
#10 0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f81fe747700 (LWP 4798)):
#0  0x00007f821e972d94 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f821e92d2ed in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f822541290b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f82251d622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8222d2b6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8220c7d6db in start_thread (arg=0x7f81fe747700) at
pthread_create.c:463
#9  0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f820cb20700 (LWP 4796)):
#0  0x00007f8224ac9bf9 in __GI___poll (fds=0x7f820800d500, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f821e92d439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f822541290b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f82251d622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8226d1cd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8220c7d6db in start_thread (arg=0x7f820cb20700) at
pthread_create.c:463
#9  0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f821612b700 (LWP 4795)):
#0  0x00007f8224ac9bf9 in __GI___poll (fds=0x7f821612aca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f822080c747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f822080e36a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8218ed82a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f82251db16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8220c7d6db in start_thread (arg=0x7f821612b700) at
pthread_create.c:463
#6  0x00007f8224ad688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8229082800 (LWP 4793)):
[KCrash Handler]
#6  0x00007f8221695005 in KArchiveDirectory::addEntry(KArchiveEntry*) () at
/usr/lib/x86_64-linux-gnu/libKF5Archive.so.5
#7  0x00007f82216a34e1 in  () at /usr/lib/x86_64-linux-gnu/libKF5Archive.so.5
#8  0x00007f8221693e03 in KArchive::open(QFlags<QIODevice::OpenModeFlag>) () at
/usr/lib/x86_64-linux-gnu/libKF5Archive.so.5
#9  0x00007f81e771c484 in
KNSCore::Installation::installDownloadedFileAndUncompress(KNSCore::EntryInternal
const&, QString const&, QString) () at
/usr/lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#10 0x00007f81e771e6f5 in
KNSCore::Installation::install(KNSCore::EntryInternal, QString const&) () at
/usr/lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#11 0x00007f81e771f031 in KNSCore::Installation::slotPayloadResult(KJob*) () at
/usr/lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#12 0x00007f82253e86cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f82258b3fdc in KJob::result(KJob*, KJob::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#14 0x00007f82258b4b11 in KJob::finishJob(bool) () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#15 0x00007f82253e86cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f81e772f78c in  () at
/usr/lib/x86_64-linux-gnu/libKF5NewStuffCore.so.5
#17 0x00007f82253e86cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f8221bbc6df in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#19 0x00007f8221c4ccc9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#20 0x00007f82253e9122 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f82263c982c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f82263d10f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f82253b99a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f82253bc11d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f82254132c3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f821e92d287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f821e92d4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f82254128ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f82265b3ec7 in QDialog::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f81e797cd5f in KNS3::DownloadDialog::exec() () at
/usr/lib/x86_64-linux-gnu/libKF5NewStuff.so.5
#33 0x00007f81e7be4078 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_icons.so
#34 0x00007f82253e86cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f82264bab82 in QAbstractButton::clicked(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f82264bad9a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f82264bc17a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f82264bc36d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f8226408038 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f82263c982c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f82263d164f in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007f82253b99a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f82263d0622 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f822642314b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f82264257ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f82263c982c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f82263d10f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007f82253b99a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f8225c0d523 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#50 0x00007f8225c0eff5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#51 0x00007f8225be62eb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#52 0x00007f8218f3b1c0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#53 0x00007f821e92d287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f821e92d4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f821e92d54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007f82254128ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f82253b79ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x00007f82253c0a84 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#59 0x00005584d6f1ce44 in  ()
#60 0x00007f82249d6b97 in __libc_start_main (main=0x5584d6f1ca40, argc=1,
argv=0x7fffdb9658f8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffdb9658e8) at ../csu/libc-start.c:310
#61 0x00005584d6f1ceca in _start ()

Reported using DrKonqi

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