https://bugs.kde.org/show_bug.cgi?id=402464

            Bug ID: 402464
           Summary: Discover
           Product: Discover
           Version: 5.14.4
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: discover
          Assignee: aleix...@kde.org
          Reporter: laurent.morisset...@orange.fr
  Target Milestone: ---

Application: plasma-discover (5.14.4)

Qt Version: 5.12.0
Frameworks Version: 5.53.0
Operating System: Linux 4.19.10-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed: Crash when launching the
Discover app.
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa96bb76f80 (LWP 6996))]

Thread 22 (Thread 0x7fa913427700 (LWP 7044)):
#0  0x00007fa9706a2e9f in recvmsg () at /usr/lib/libc.so.6
#1  0x00007fa9706bfa7e in __check_pf () at /usr/lib/libc.so.6
#2  0x00007fa97068c8f7 in getaddrinfo () at /usr/lib/libc.so.6
#3  0x00007fa94d3edb11 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fa94d3ede36 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007fa96ee5a4a6 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7fa912425700 (LWP 7043)):
#0  0x00007fa97069c4ed in syscall () at /usr/lib/libc.so.6
#1  0x00007fa96ee37151 in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96eeb52c3 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fa96eeb54c3 in g_async_queue_timeout_pop () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fa96ee5a54a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7fa9452c9700 (LWP 7042)):
#0  0x00007fa9706af12b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fa9706bfeb0 in __free_in6ai () at /usr/lib/libc.so.6
#2  0x00007fa97068c56c in getaddrinfo () at /usr/lib/libc.so.6
#3  0x00007fa94d3edb11 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fa94d3ede36 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007fa96ee5a4a6 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fa96a75b700 (LWP 7041)):
#0  0x00007fa9706af12b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fa9706bfeb0 in __free_in6ai () at /usr/lib/libc.so.6
#2  0x00007fa97068c56c in getaddrinfo () at /usr/lib/libc.so.6
#3  0x00007fa94d3edb11 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fa94d3ede36 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007fa96ee5a4a6 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fa913c28700 (LWP 7040)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fa92a2c8700 (LWP 7039)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fa92aac9700 (LWP 7038)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fa928ac5700 (LWP 7036)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fa9292c6700 (LWP 7017)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa96ee88682 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fa929ac7700 (LWP 7015)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fa92b2ca700 (LWP 7013)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fa92bacb700 (LWP 7012)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fa944ac8700 (LWP 7010)):
#0  0x00007fa97069c4ed in syscall () at /usr/lib/libc.so.6
#1  0x00007fa9709bbd75 in QSemaphore::acquire(int) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fa970ba052a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007fa97011f953 in  () at /usr/lib/libQt5Network.so.5
#4  0x00007fa97012079d in  () at /usr/lib/libQt5Network.so.5
#5  0x00007fa970ba028c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fa97011e943 in  () at /usr/lib/libQt5Network.so.5
#7  0x00007fa97006ac38 in  () at /usr/lib/libQt5Network.so.5
#8  0x00007fa97006c43c in  () at /usr/lib/libQt5Network.so.5
#9  0x00007fa970ba028c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007fa9700ebf73 in
QSslSocket::preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*)
() at /usr/lib/libQt5Network.so.5
#11 0x00007fa97010b403 in  () at /usr/lib/libQt5Network.so.5
#12 0x00007fa96ea9ea1e in  () at /usr/lib/libssl.so.1.1
#13 0x00007fa96ea9c92a in  () at /usr/lib/libssl.so.1.1
#14 0x00007fa96eaa6d99 in  () at /usr/lib/libssl.so.1.1
#15 0x00007fa96eaa5c70 in  () at /usr/lib/libssl.so.1.1
#16 0x00007fa96ea91576 in SSL_do_handshake () at /usr/lib/libssl.so.1.1
#17 0x00007fa97010bb26 in  () at /usr/lib/libQt5Network.so.5
#18 0x00007fa97010bf05 in  () at /usr/lib/libQt5Network.so.5
#19 0x00007fa9700ecdb9 in QSslSocket::startClientEncryption() () at
/usr/lib/libQt5Network.so.5
#20 0x00007fa9700edff1 in  () at /usr/lib/libQt5Network.so.5
#21 0x00007fa9700f43e1 in  () at /usr/lib/libQt5Network.so.5
#22 0x00007fa970ba028c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#23 0x00007fa9700b77fe in  () at /usr/lib/libQt5Network.so.5
#24 0x00007fa9700ba7c0 in  () at /usr/lib/libQt5Network.so.5
#25 0x00007fa9700c9e2d in  () at /usr/lib/libQt5Network.so.5
#26 0x00007fa971a7ae34 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#27 0x00007fa971a82671 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#28 0x00007fa970b758f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#29 0x00007fa970bcc226 in  () at /usr/lib/libQt5Core.so.5
#30 0x00007fa96ee86a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#31 0x00007fa96ee885e9 in  () at /usr/lib/libglib-2.0.so.0
#32 0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#33 0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#34 0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#35 0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#36 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#37 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#38 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fa945aca700 (LWP 7005)):
#0  0x00007fa970bcb234 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007fa96ee86fb2 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee884e6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fa946af9700 (LWP 7004)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fa947339700 (LWP 7003)):
#0  0x00007fa9706927a4 in read () at /usr/lib/libc.so.6
#1  0x00007fa96ee36971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee870b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fa96ee884e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fa94ec3d700 (LWP 7002)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fa9724fce5b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fa94febe700 (LWP 7001)):
#0  0x00007fa96f954afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fa9614da004 in  () at /usr/lib/dri/r600_dri.so
#2  0x00007fa9614d9d28 in  () at /usr/lib/dri/r600_dri.so
#3  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fa9608de700 (LWP 7000)):
#0  0x00007fa96f954afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fa9614da004 in  () at /usr/lib/dri/r600_dri.so
#2  0x00007fa9614d9d28 in  () at /usr/lib/dri/r600_dri.so
#3  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fa9635ef700 (LWP 6999)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fa9711dab89 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fa968da9700 (LWP 6998)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fa971fa4ba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fa96bb76f80 (LWP 6996)):
[KCrash Handler]
#6  0x00007fa94cca42b7 in sb_stemmer_stem () at /usr/lib/libstemmer.so.0
#7  0x00007fa94d24627d in as_stemmer_process () at
/usr/lib/libappstream-glib.so.8
#8  0x00007fa94d246351 in  () at /usr/lib/libappstream-glib.so.8
#9  0x00007fa94d2ee802 in g_type_create_instance () at
/usr/lib/libgobject-2.0.so.0
#10 0x00007fa94d30b259 in  () at /usr/lib/libgobject-2.0.so.0
#11 0x00007fa94d30c75d in g_object_new_with_properties () at
/usr/lib/libgobject-2.0.so.0
#12 0x00007fa94d30c86a in g_object_new () at /usr/lib/libgobject-2.0.so.0
#13 0x00007fa94d23d3c4 in as_store_new () at /usr/lib/libappstream-glib.so.8
#14 0x00007fa94d4ea4ee in  () at /usr/lib/libflatpak.so.0
#15 0x00007fa94d4f09bb in  () at /usr/lib/libflatpak.so.0
#16 0x00007fa94d4fb4c7 in  () at /usr/lib/libflatpak.so.0
#17 0x00007fa94d537902 in  () at /usr/lib/libflatpak.so.0
#18 0x00007fa94d538644 in flatpak_installation_get_installed_ref () at
/usr/lib/libflatpak.so.0
#19 0x00007fa94d6b63b1 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#20 0x00007fa94d6b6a81 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#21 0x00007fa94d6bbeed in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#22 0x00007fa94d6bc979 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#23 0x00007fa970ba03e0 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#24 0x00007fa9709c42e5 in QFutureWatcherBase::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#25 0x00007fa971a7ae34 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#26 0x00007fa971a82671 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#27 0x00007fa970b758f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#28 0x00007fa970b78998 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#29 0x00007fa970bcbfd4 in  () at /usr/lib/libQt5Core.so.5
#30 0x00007fa96ee86a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#31 0x00007fa96ee885e9 in  () at /usr/lib/libglib-2.0.so.0
#32 0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#33 0x00007fa970bcb5a9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#34 0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#35 0x00007fa970b7c896 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#36 0x000055dd1a385616 in  ()
#37 0x00007fa9705ca223 in __libc_start_main () at /usr/lib/libc.so.6
#38 0x000055dd1a385bde in _start ()
[Inferior 1 (process 6996) detached]

The crash does not seem to be reproducible.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa96bb76f80 (LWP 6996))]

Thread 22 (Thread 0x7fa913427700 (LWP 7044)):
#0  0x00007fa9706a2e9f in recvmsg () at /usr/lib/libc.so.6
#1  0x00007fa9706bfa7e in __check_pf () at /usr/lib/libc.so.6
#2  0x00007fa97068c8f7 in getaddrinfo () at /usr/lib/libc.so.6
#3  0x00007fa94d3edb11 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fa94d3ede36 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007fa96ee5a4a6 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7fa912425700 (LWP 7043)):
#0  0x00007fa97069c4ed in syscall () at /usr/lib/libc.so.6
#1  0x00007fa96ee37151 in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96eeb52c3 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fa96eeb54c3 in g_async_queue_timeout_pop () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fa96ee5a54a in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7fa9452c9700 (LWP 7042)):
#0  0x00007fa9706af12b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fa9706bfeb0 in __free_in6ai () at /usr/lib/libc.so.6
#2  0x00007fa97068c56c in getaddrinfo () at /usr/lib/libc.so.6
#3  0x00007fa94d3edb11 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fa94d3ede36 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007fa96ee5a4a6 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fa96a75b700 (LWP 7041)):
#0  0x00007fa9706af12b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fa9706bfeb0 in __free_in6ai () at /usr/lib/libc.so.6
#2  0x00007fa97068c56c in getaddrinfo () at /usr/lib/libc.so.6
#3  0x00007fa94d3edb11 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fa94d3ede36 in  () at /usr/lib/libgio-2.0.so.0
#5  0x00007fa96ee5a4a6 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fa913c28700 (LWP 7040)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fa92a2c8700 (LWP 7039)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fa92aac9700 (LWP 7038)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fa928ac5700 (LWP 7036)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceb0f5f in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fa9292c6700 (LWP 7017)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa96ee88682 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fa96ee6367b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fa929ac7700 (LWP 7015)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fa92b2ca700 (LWP 7013)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fa92bacb700 (LWP 7012)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fa944ac8700 (LWP 7010)):
#0  0x00007fa97069c4ed in syscall () at /usr/lib/libc.so.6
#1  0x00007fa9709bbd75 in QSemaphore::acquire(int) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fa970ba052a in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007fa97011f953 in  () at /usr/lib/libQt5Network.so.5
#4  0x00007fa97012079d in  () at /usr/lib/libQt5Network.so.5
#5  0x00007fa970ba028c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fa97011e943 in  () at /usr/lib/libQt5Network.so.5
#7  0x00007fa97006ac38 in  () at /usr/lib/libQt5Network.so.5
#8  0x00007fa97006c43c in  () at /usr/lib/libQt5Network.so.5
#9  0x00007fa970ba028c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007fa9700ebf73 in
QSslSocket::preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*)
() at /usr/lib/libQt5Network.so.5
#11 0x00007fa97010b403 in  () at /usr/lib/libQt5Network.so.5
#12 0x00007fa96ea9ea1e in  () at /usr/lib/libssl.so.1.1
#13 0x00007fa96ea9c92a in  () at /usr/lib/libssl.so.1.1
#14 0x00007fa96eaa6d99 in  () at /usr/lib/libssl.so.1.1
#15 0x00007fa96eaa5c70 in  () at /usr/lib/libssl.so.1.1
#16 0x00007fa96ea91576 in SSL_do_handshake () at /usr/lib/libssl.so.1.1
#17 0x00007fa97010bb26 in  () at /usr/lib/libQt5Network.so.5
#18 0x00007fa97010bf05 in  () at /usr/lib/libQt5Network.so.5
#19 0x00007fa9700ecdb9 in QSslSocket::startClientEncryption() () at
/usr/lib/libQt5Network.so.5
#20 0x00007fa9700edff1 in  () at /usr/lib/libQt5Network.so.5
#21 0x00007fa9700f43e1 in  () at /usr/lib/libQt5Network.so.5
#22 0x00007fa970ba028c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#23 0x00007fa9700b77fe in  () at /usr/lib/libQt5Network.so.5
#24 0x00007fa9700ba7c0 in  () at /usr/lib/libQt5Network.so.5
#25 0x00007fa9700c9e2d in  () at /usr/lib/libQt5Network.so.5
#26 0x00007fa971a7ae34 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#27 0x00007fa971a82671 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#28 0x00007fa970b758f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#29 0x00007fa970bcc226 in  () at /usr/lib/libQt5Core.so.5
#30 0x00007fa96ee86a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#31 0x00007fa96ee885e9 in  () at /usr/lib/libglib-2.0.so.0
#32 0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#33 0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#34 0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#35 0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#36 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#37 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#38 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fa945aca700 (LWP 7005)):
#0  0x00007fa970bcb234 in  () at /usr/lib/libQt5Core.so.5
#1  0x00007fa96ee86fb2 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee884e6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fa946af9700 (LWP 7004)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa94ceaf676 in  () at /usr/lib/libostree-1.so.1
#4  0x00007fa94ce7522f in  () at /usr/lib/libostree-1.so.1
#5  0x00007fa94ce7ee7e in ostree_repo_remote_fetch_summary_with_options () at
/usr/lib/libostree-1.so.1
#6  0x00007fa94ce5ede7 in ostree_repo_remote_fetch_summary () at
/usr/lib/libostree-1.so.1
#7  0x00007fa94d5006c4 in  () at /usr/lib/libflatpak.so.0
#8  0x00007fa94d500b58 in  () at /usr/lib/libflatpak.so.0
#9  0x00007fa94d53a82a in flatpak_installation_fetch_remote_metadata_sync () at
/usr/lib/libflatpak.so.0
#10 0x00007fa94d6c44f2 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#11 0x00007fa94d6c0c13 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#12 0x00007fa9709bd9a1 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fa947339700 (LWP 7003)):
#0  0x00007fa9706927a4 in read () at /usr/lib/libc.so.6
#1  0x00007fa96ee36971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee870b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fa96ee884e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fa94ec3d700 (LWP 7002)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fa9724fce5b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fa94febe700 (LWP 7001)):
#0  0x00007fa96f954afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fa9614da004 in  () at /usr/lib/dri/r600_dri.so
#2  0x00007fa9614d9d28 in  () at /usr/lib/dri/r600_dri.so
#3  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fa9608de700 (LWP 7000)):
#0  0x00007fa96f954afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fa9614da004 in  () at /usr/lib/dri/r600_dri.so
#2  0x00007fa9614d9d28 in  () at /usr/lib/dri/r600_dri.so
#3  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fa9635ef700 (LWP 6999)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fa9711dab89 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fa968da9700 (LWP 6998)):
#0  0x00007fa970696c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fa96ee88540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fa970bcb5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fa9709b85c9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fa971fa4ba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fa9709b99cc in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fa96f94ea9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fa9706a1b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fa96bb76f80 (LWP 6996)):
[KCrash Handler]
#6  0x00007fa94cca42b7 in sb_stemmer_stem () at /usr/lib/libstemmer.so.0
#7  0x00007fa94d24627d in as_stemmer_process () at
/usr/lib/libappstream-glib.so.8
#8  0x00007fa94d246351 in  () at /usr/lib/libappstream-glib.so.8
#9  0x00007fa94d2ee802 in g_type_create_instance () at
/usr/lib/libgobject-2.0.so.0
#10 0x00007fa94d30b259 in  () at /usr/lib/libgobject-2.0.so.0
#11 0x00007fa94d30c75d in g_object_new_with_properties () at
/usr/lib/libgobject-2.0.so.0
#12 0x00007fa94d30c86a in g_object_new () at /usr/lib/libgobject-2.0.so.0
#13 0x00007fa94d23d3c4 in as_store_new () at /usr/lib/libappstream-glib.so.8
#14 0x00007fa94d4ea4ee in  () at /usr/lib/libflatpak.so.0
#15 0x00007fa94d4f09bb in  () at /usr/lib/libflatpak.so.0
#16 0x00007fa94d4fb4c7 in  () at /usr/lib/libflatpak.so.0
#17 0x00007fa94d537902 in  () at /usr/lib/libflatpak.so.0
#18 0x00007fa94d538644 in flatpak_installation_get_installed_ref () at
/usr/lib/libflatpak.so.0
#19 0x00007fa94d6b63b1 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#20 0x00007fa94d6b6a81 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#21 0x00007fa94d6bbeed in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#22 0x00007fa94d6bc979 in  () at
/usr/lib/qt/plugins/discover/flatpak-backend.so
#23 0x00007fa970ba03e0 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#24 0x00007fa9709c42e5 in QFutureWatcherBase::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#25 0x00007fa971a7ae34 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#26 0x00007fa971a82671 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#27 0x00007fa970b758f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#28 0x00007fa970b78998 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#29 0x00007fa970bcbfd4 in  () at /usr/lib/libQt5Core.so.5
#30 0x00007fa96ee86a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#31 0x00007fa96ee885e9 in  () at /usr/lib/libglib-2.0.so.0
#32 0x00007fa96ee8862e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#33 0x00007fa970bcb5a9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#34 0x00007fa970b7458c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#35 0x00007fa970b7c896 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#36 0x000055dd1a385616 in  ()
#37 0x00007fa9705ca223 in __libc_start_main () at /usr/lib/libc.so.6
#38 0x000055dd1a385bde in _start ()
[Inferior 1 (process 6996) detached]

Reported using DrKonqi

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