Application: kcmshell5 (5.14.3)

Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.18.16-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to share a PDF opened in okular with my owncloud server.  I've added the credential and logged in, but when trying to shaer the application crashed

The crash can be reproduced every time.

-- Backtrace:
Application: Modulo delle impostazioni di sistema (kcmshell5), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f86e866f380 (LWP 10706))]

Thread 5 (Thread 0x7f869affd700 (LWP 10841)):
#0  0x00007f86e8bd912b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007f86e8b52d76 in _int_free () at /usr/lib/libc.so.6
#2  0x00007f86e8d2b307 in _dl_deallocate_tls () at /lib64/ld-linux-x86-64.so.2
#3  0x00007f86e6396793 in free_stacks () at /usr/lib/libpthread.so.0
#4  0x00007f86e6396e2a in __deallocate_stack () at /usr/lib/libpthread.so.0
#5  0x00007f86e6397d28 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f86e8bcbb23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f86d77fe700 (LWP 10710)):
#0  0x00007f86e8bc0c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f86e53acee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f86e53adf62 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f86dc73ac28 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f86e53763eb in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f86e6397a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f86e8bcbb23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f86d7fff700 (LWP 10709)):
#0  0x00007f86e8bc0c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f86e53acee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f86e53acfce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f86e53ad022 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f86e53763eb in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f86e6397a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f86e8bcbb23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f86dddc7700 (LWP 10708)):
#0  0x00007f86e8bd912b in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007f86e8b564ae in realloc () at /usr/lib/libc.so.6
#2  0x00007f86e7584ade in QArrayData::reallocateUnaligned(QArrayData*, unsigned long, unsigned long, QFlags<QArrayData::AllocationOption>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f86e7586afb in QByteArray::reallocData(unsigned int, QFlags<QArrayData::AllocationOption>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f86e7586cc1 in QByteArray::resize(int) () at /usr/lib/libQt5Core.so.5
#5  0x00007f86e778c2ec in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f86e778c655 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f86e778a52c in QTextCodec::fromUnicode(QStringView) const () at /usr/lib/libQt5Core.so.5
#8  0x00007f86e75f9b03 in QString::toLocal8Bit_helper(QChar const*, int) () at /usr/lib/libQt5Core.so.5
#9  0x00007f86e7574645 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f86e756f8b6 in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f86e756fc79 in  () at /usr/lib/libQt5Core.so.5
#12 0x00007f86e7540087 in QMessageLogger::warning(char const*, ...) const () at /usr/lib/libQt5Core.so.5
#13 0x00007f86e7784e70 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f86e53ab952 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#15 0x00007f86e53ace86 in  () at /usr/lib/libglib-2.0.so.0
#16 0x00007f86e53acfce in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#17 0x00007f86e7784fc9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#18 0x00007f86e77308cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f86e7579eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#20 0x00007f86e8684ba6 in  () at /usr/lib/libQt5DBus.so.5
#21 0x00007f86e7583f65 in  () at /usr/lib/libQt5Core.so.5
#22 0x00007f86e6397a9d in start_thread () at /usr/lib/libpthread.so.0
#23 0x00007f86e8bcbb23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f86e866f380 (LWP 10706)):
[KCrash Handler]
#6  0x00007f86e8b07d7f in raise () at /usr/lib/libc.so.6
#7  0x00007f86e8af2672 in abort () at /usr/lib/libc.so.6
#8  0x00007f86e8b4a878 in __libc_message () at /usr/lib/libc.so.6
#9  0x00007f86e8b5118a in  () at /usr/lib/libc.so.6
#10 0x00007f86e8b513d4 in malloc_consolidate () at /usr/lib/libc.so.6
#11 0x00007f86e8b52c8c in _int_free () at /usr/lib/libc.so.6
#12 0x00007f86e75ce2e9 in QHashData::free_helper(void (*)(QHashData::Node*)) () at /usr/lib/libQt5Core.so.5
#13 0x00007f86e7d23528 in  () at /usr/lib/libQt5Gui.so.5
#14 0x00007f86e8b0a45c in __run_exit_handlers () at /usr/lib/libc.so.6
#15 0x00007f86e8b0a58e in  () at /usr/lib/libc.so.6
#16 0x00007f86e8af422a in __libc_start_main () at /usr/lib/libc.so.6
#17 0x0000559de096c05e in _start ()
[Inferior 1 (process 10706) detached]

Reported using DrKonqi