https://bugs.kde.org/show_bug.cgi?id=387789

            Bug ID: 387789
           Summary: Discover crashed during search with Flatpak backend
                    installed
           Product: Discover
           Version: 5.11.4
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: discover
          Assignee: aleix...@kde.org
          Reporter: pointedst...@zoho.com
  Target Milestone: ---

Application: plasma-discover (5.11.4)

Qt Version: 5.9.1
Frameworks Version: 5.40.0
Operating System: Linux 4.13.0-19-generic x86_64
Distribution: Ubuntu 17.10

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

I just installed the Flatpak backend, restarted the app, and searched for
"gimp". Discover crashed right after I typed the "m".

The crash can be reproduced sometimes.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f689a48bd80 (LWP 1261))]

Thread 14 (Thread 0x7f68277fe700 (LWP 2158)):
#0  0x00007f689549d64b in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f68277fdb50, expected=0, futex_word=0x7f6854006ec4) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f689549d64b in __pthread_cond_wait_common (abstime=0x7f68277fdc10,
mutex=0x7f6854006e70, cond=0x7f6854006e98) at pthread_cond_wait.c:533
#2  0x00007f689549d64b in __pthread_cond_timedwait (cond=0x7f6854006e98,
mutex=0x7f6854006e70, abstime=0x7f68277fdc10) at pthread_cond_wait.c:667
#3  0x00007f68960c5588 in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f68960c07cc in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68954967fc in start_thread (arg=0x7f68277fe700) at
pthread_create.c:465
#7  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f67e7fff700 (LWP 1423)):
#0  0x00007f68959ba901 in __GI___poll (fds=0x7f68184037b0, nfds=1,
timeout=89520) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f689036d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68954967fc in start_thread (arg=0x7f67e7fff700) at
pthread_create.c:465
#8  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f67effff700 (LWP 1422)):
#0  0x00007f68903b25b9 in g_mutex_lock () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f689036cb7c in g_main_context_check () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f68954967fc in start_thread (arg=0x7f67effff700) at
pthread_create.c:465
#9  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f67ef7fe700 (LWP 1421)):
#0  0x00007f689036a160 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f689036c630 in g_main_context_prepare () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d09b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f68954967fc in start_thread (arg=0x7f67ef7fe700) at
pthread_create.c:465
#9  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f67ee7fc700 (LWP 1303)):
#0  0x00007f68959ba901 in __GI___poll (fds=0x7f67d80077e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f689036d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68954967fc in start_thread (arg=0x7f67ee7fc700) at
pthread_create.c:465
#8  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f684ff11700 (LWP 1272)):
#0  0x00007f68959ba901 in __GI___poll (fds=0x556e6f8b5740, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f689036d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d502 in g_main_loop_run () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6860667b26 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f6890394645 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f68954967fc in start_thread (arg=0x7f684ff11700) at
pthread_create.c:465
#6  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f6850712700 (LWP 1271)):
#0  0x00007f68959ba901 in __GI___poll (fds=0x556e6f896b90, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f689036d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f689036d2c1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6890394645 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f68954967fc in start_thread (arg=0x7f6850712700) at
pthread_create.c:465
#6  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f6862658700 (LWP 1269)):
#0  0x00007f68903b25d4 in g_mutex_unlock () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f689036d15e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68954967fc in start_thread (arg=0x7f6862658700) at
pthread_create.c:465
#8  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f6863ba0700 (LWP 1268)):
#0  0x00007f689036cb7c in g_main_context_check () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f689036d110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68954967fc in start_thread (arg=0x7f6863ba0700) at
pthread_create.c:465
#8  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f686d0cb700 (LWP 1267)):
#0  0x00007f68959ba901 in __GI___poll (fds=0x7f6868004f00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f689036d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6899241846 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f68954967fc in start_thread (arg=0x7f686d0cb700) at
pthread_create.c:465
#9  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f687ca60700 (LWP 1266)):
#0  0x00007f68959b5ffd in __GI___libc_read (fd=9, buf=0x7f687ca5fa70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f68903b1280 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f689036cc4b in g_main_context_check () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f689036d110 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6896ccbf45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f68954967fc in start_thread (arg=0x7f687ca60700) at
pthread_create.c:465
#11 0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f687dc71700 (LWP 1265)):
#0  0x00007f689a2ddf8a in _dl_update_slotinfo (req_modid=<optimized out>) at
../elf/dl-tls.c:740
#1  0x00007f689a2ddffc in update_get_addr (ti=0x7f689675b6a0) at
../elf/dl-tls.c:808
#2  0x00007f689a2e3f38 in __tls_get_addr () at
../sysdeps/x86_64/tls_get_addr.S:55
#3  0x00007f68960c3126 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f68962fa39a in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f689036c6a8 in g_main_context_prepare () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f689036d09b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f68962fa49b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f68960bf3ca in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f6897fa6e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#12 0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f68954967fc in start_thread (arg=0x7f687dc71700) at
pthread_create.c:465
#14 0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6886bdd700 (LWP 1263)):
#0  0x00007f68959ba901 in __GI___poll (fds=0x7f6886bdcbb8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6890106747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f689010853a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6889137f09 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f68960c429d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f68954967fc in start_thread (arg=0x7f6886bdd700) at
pthread_create.c:465
#6  0x00007f68959c6b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f689a48bd80 (LWP 1261)):
[KCrash Handler]
#6  0x0000556e73a85b10 in  ()
#7  0x00007f68962cdb4d in QObjectData::dynamicMetaObject() const () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f68962aaa39 in QMetaObject::cast(QObject const*) const () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f6899c128bf in  () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#10 0x00007f68962a197c in
QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f68978a14a8 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f68978a8d34 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f68962a1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f68992f55b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f689930107b in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f68993012c5 in QQuickItem::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f68978a146c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f68978a8d34 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f68962a1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f68992f55b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f689930107b in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f68993012c5 in QQuickItem::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f68978a146c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f68978a8d34 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f68962a1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f68992f55b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007f689930107b in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007f68993012c5 in QQuickItem::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007f68978a146c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f68978a8d34 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f68962a1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f68992f55b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007f689930107b in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007f68993012c5 in QQuickItem::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007f68978a146c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f68978a8d34 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f68962a1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f68993125a8 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007f68993127bf in QQuickWindow::keyPressEvent(QKeyEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007f68970f1d35 in QWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#41 0x00007f6899319d05 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007f68978a146c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f68978a8d34 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f68962a1de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f68970e2ab0 in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#46 0x00007f68970e7a05 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#47 0x00007f68970bfcab in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#48 0x00007f688919a5a0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#49 0x00007f689036cfb7 in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f689036d1f0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f689036d27c in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f68962fa47f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007f689629fe3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007f68962a8da4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x0000556e6d067c38 in  ()
#56 0x00007f68958d31c1 in __libc_start_main (main=0x556e6d067360, argc=1,
argv=0x7ffd93a91d08, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd93a91cf8) at ../csu/libc-start.c:308
#57 0x0000556e6d067e1a in _start ()

Reported using DrKonqi

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