Application: baloo_file_extractor (5.44.0)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.16.7-300.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed: Every time I log in to KDE desktop baloo crashes. But balooctl status shows that it is running.

The crash can be reproduced every time.

-- Backtrace:
Application: Baloo File Extractor (baloo_file_extractor), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9997f71940 (LWP 2125))]

Thread 3 (Thread 0x7f997d220700 (LWP 2127)):
#0  0x00007f99902f3218 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f99902ab9df in g_main_context_acquire () from /lib64/libglib-2.0.so.0
#2  0x00007f99902ac9c5 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f99902acc30 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f9995c30c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f9995bdf12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f9995a2d9c6 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f9997fe7299 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#8  0x00007f9995a3211d in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f9994097564 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f9994d6f31f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f997de47700 (LWP 2126)):
#0  0x00007f9994d64929 in poll () from /lib64/libc.so.6
#1  0x00007f998f7d004f in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f998f7d1caa in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f99807f54d9 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f9995a3211d in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f9994097564 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f9994d6f31f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f9997f71940 (LWP 2125)):
[KCrash Handler]
#6  0x00007f9994cabf4b in raise () from /lib64/libc.so.6
#7  0x00007f9994c96591 in abort () from /lib64/libc.so.6
#8  0x00007f9996c62c62 in mdb_assert_fail.constprop () from /lib64/liblmdb.so.0.0.0
#9  0x00007f9996c57ee7 in mdb_cursor_sibling () from /lib64/liblmdb.so.0.0.0
#10 0x00007f9996c5f352 in mdb_cursor_del () from /lib64/liblmdb.so.0.0.0
#11 0x00007f9996c605d3 in mdb_del0 () from /lib64/liblmdb.so.0.0.0
#12 0x00007f999729df3c in Baloo::PositionDB::del(QByteArray const&) () from /lib64/libKF5BalooEngine.so.5
#13 0x00007f99972b193f in Baloo::WriteTransaction::commit() () from /lib64/libKF5BalooEngine.so.5
#14 0x00007f99972a7726 in Baloo::Transaction::commit() () from /lib64/libKF5BalooEngine.so.5
#15 0x000055fc0be8836c in Baloo::App::processNextFile() ()
#16 0x00007f9995c14eba in QSingleShotTimer::timerEvent(QTimerEvent*) () from /lib64/libQt5Core.so.5
#17 0x00007f9995c099db in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#18 0x00007f99964a7e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#19 0x00007f99964af83a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#20 0x00007f9995be0376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#21 0x00007f9995c2ff19 in QTimerInfoList::activateTimers() () from /lib64/libQt5Core.so.5
#22 0x00007f9995c307bc in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#23 0x00007f99902ac7cd in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#24 0x00007f99902acb98 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#25 0x00007f99902acc30 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#26 0x00007f9995c30c13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#27 0x00007f9980883065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5XcbQpa.so.5
#28 0x00007f9995bdf12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#29 0x00007f9995be75b6 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#30 0x000055fc0be85af2 in main ()

Possible duplicates by query: bug 393583.

Reported using DrKonqi