Application: baloo_file (5.44.0)
  
Qt Version: 5.9.4
Frameworks Version: 5.44.0
Operating System: Linux 4.15.17-300.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"

-- Information about the crash:
The crash happened during reboot (after updating the OS), but also when trying to start it manually with blaooctl start.

The crash can be reproduced every time.

-- Backtrace:
Application: Baloo File Indexing Daemon (baloo_file), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6c92ca9e00 (LWP 10626))]

Thread 2 (Thread 0x7f6c81256700 (LWP 10636)):
#0  0x00007f6c8aeb53f4 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f6c8ae6f3ec in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f6c8ae6fdcb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f6c8ae6ffac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f6c913c1c4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f6c9136f96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f6c911c08ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f6c92577449 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#8  0x00007f6c911c4de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f6c8eced50b in start_thread () from /lib64/libpthread.so.0
#10 0x00007f6c9036116f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f6c92ca9e00 (LWP 10626)):
[KCrash Handler]
#6  0x00007f6c903c22ac in __memmove_avx_unaligned_erms () from /lib64/libc.so.6
#7  0x00007f6c91a82c93 in Baloo::PostingCodec::decode(QByteArray const&) () from /lib64/libKF5BalooEngine.so.5
#8  0x00007f6c91a74704 in Baloo::PostingDB::get(QByteArray const&) () from /lib64/libKF5BalooEngine.so.5
#9  0x00007f6c91a80380 in Baloo::WriteTransaction::commit() () from /lib64/libKF5BalooEngine.so.5
#10 0x00007f6c91a79c62 in Baloo::Transaction::commit() () from /lib64/libKF5BalooEngine.so.5
#11 0x0000560ec5e73b98 in Baloo::MetadataMover::removeFileMetadata(QString const&) ()
#12 0x00007f6c91399637 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#13 0x0000560ec5e7c325 in Baloo::PendingFileQueue::removeFileIndex(QString const&) ()
#14 0x0000560ec5e71bbe in Baloo::PendingFileQueue::processCache() ()
#15 0x00007f6c91399637 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#16 0x00007f6c913a5887 in QTimer::timeout(QTimer::QPrivateSignal) () from /lib64/libQt5Core.so.5
#17 0x00007f6c913a5b98 in QTimer::timerEvent(QTimerEvent*) () from /lib64/libQt5Core.so.5
#18 0x00007f6c9139a21b in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#19 0x00007f6c91370afa in doNotify(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#20 0x00007f6c91370be7 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#21 0x00007f6c913c0f5b in QTimerInfoList::activateTimers() () from /lib64/libQt5Core.so.5
#22 0x00007f6c913c17f1 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#23 0x00007f6c8ae6fb77 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#24 0x00007f6c8ae6ff20 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#25 0x00007f6c8ae6ffac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#26 0x00007f6c913c1c2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#27 0x00007f6c9136f96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#28 0x00007f6c91378094 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#29 0x0000560ec5e5d8ac in main ()