Application: baloo_file (5.34.0)

Qt Version: 5.7.1
Frameworks Version: 5.34.0
Operating System: Linux 4.12.5-gentoo x86_64
Distribution: "NAME=Gentoo"

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

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 0x7fd30c8c2780 (LWP 3991))]

Thread 3 (Thread 0x7fd30177d700 (LWP 4163)):
#0  0x00007fd30a8faa3d in poll () from /lib64/libc.so.6
#1  0x00007fd30795f62c in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fd30795f73c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fd30b53a21b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007fd30b4ebefa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x000000000041ad1e in ?? ()
#6  0x00007fd30b35408d in ?? () from /usr/lib64/libQt5Core.so.5
#7  0x00007fd30b3570ac in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007fd309d833e4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fd30a903a9d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fd302280700 (LWP 4002)):
#0  0x00007fd30a8faa3d in poll () from /lib64/libc.so.6
#1  0x00007fd30795f62c in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fd30795f73c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fd30b53a21b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007fd30b4ebefa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fd30b352e64 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007fd30c9316a5 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007fd30b3570ac in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007fd309d833e4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fd30a903a9d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd30c8c2780 (LWP 3991)):
[KCrash Handler]
#6  0x00007fd30a8aab10 in ?? () from /lib64/libc.so.6
#7  0x00007fd30b9f7903 in ?? () from /usr/lib64/libKF5BalooEngine.so.5
#8  0x00007fd30b9e2964 in Baloo::PostingDB::get(QByteArray const&) () from /usr/lib64/libKF5BalooEngine.so.5
#9  0x00007fd30b9f48c6 in Baloo::WriteTransaction::commit() () from /usr/lib64/libKF5BalooEngine.so.5
#10 0x00007fd30b9eb962 in Baloo::Transaction::commit() () from /usr/lib64/libKF5BalooEngine.so.5
#11 0x0000000000423b5b in ?? ()
#12 0x00007fd30b5135f2 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#13 0x0000000000426d9d in ?? ()
#14 0x00007fd30b5135f2 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#15 0x00007fd30b582cfe in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) () from /usr/lib64/libQt5Core.so.5
#16 0x00007fd30b51f54b in QSocketNotifier::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#17 0x00007fd30b4ece0a in ?? () from /usr/lib64/libQt5Core.so.5
#18 0x00007fd30b4ecf3a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#19 0x00007fd30b53ab4f in ?? () from /usr/lib64/libQt5Core.so.5
#20 0x00007fd30795f437 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#21 0x00007fd30795f690 in ?? () from /usr/lib64/libglib-2.0.so.0
#22 0x00007fd30795f73c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#23 0x00007fd30b53a1ff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#24 0x00007fd30b4ebefa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#25 0x00007fd30b4f38fc in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#26 0x000000000040aaab in ?? ()
#27 0x00007fd30a83c640 in __libc_start_main () from /lib64/libc.so.6
#28 0x000000000040ab69 in _start ()

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