https://bugs.kde.org/show_bug.cgi?id=414240

            Bug ID: 414240
           Summary: ballo indexer crashes at startup
           Product: frameworks-baloo
           Version: 5.62.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: Baloo File Daemon
          Assignee: stefan.bru...@rwth-aachen.de
          Reporter: vieuxt...@gmail.com
  Target Milestone: ---

Application: baloo_file (5.62.0)

Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-23-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:

system restart, this is repeatable, its happened for years across 3 kubuntu
versions, I even did a complete reinstall from scratch, 14 months ago, and it
still happens.

- Unusual behavior I noticed:

baloo indexer is reported to have crashed

- Custom settings of the application:

None, I've never used baloo, and don't use KDE search.

The crash can be reproduced every time.

-- Backtrace:
Application: Baloo File Indexing Daemon (baloo_file), signal: Segmentation
fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__GI___getdents64 (fd=5, buf=buf@entry=0x563dcba2e000, nbytes=<optimized out>)
at ../sysdeps/unix/sysv/linux/getdents64.c:32
[Current thread is 1 (Thread 0x7f994bd91d80 (LWP 3075))]

Thread 3 (Thread 0x7f994ad0b700 (LWP 5366)):
[KCrash Handler]
#6  0x00007f994e4eddb4 in mdb_midl_xmerge () from
/usr/lib/x86_64-linux-gnu/liblmdb.so.0
#7  0x00007f994e4e5335 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#8  0x00007f994e4e7434 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#9  0x00007f994e4e794c in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#10 0x00007f994e4ea813 in mdb_cursor_put () from
/usr/lib/x86_64-linux-gnu/liblmdb.so.0
#11 0x00007f994e4ed2db in mdb_put () from
/usr/lib/x86_64-linux-gnu/liblmdb.so.0
#12 0x00007f995006000d in Baloo::DocumentTimeDB::put(unsigned long long,
Baloo::DocumentTimeDB::TimeInfo const&) () from
/usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#13 0x00007f99500859fa in Baloo::WriteTransaction::addDocument(Baloo::Document
const&) () from /usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#14 0x00007f9950079257 in Baloo::Transaction::addDocument(Baloo::Document
const&) () from /usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
#15 0x0000563dca92068a in ?? ()
#16 0x00007f994fabf262 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f994fabbcc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f994e54e669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#19 0x00007f994f5f1323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f994b81e700 (LWP 3086)):
#0  0x00007f994f5e4c2f in __GI___poll (fds=0x7f99440029e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f994de82a3e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f994de82b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f994fcda6a5 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f994fc8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f994fabaa75 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f99500acefa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f994fabbcc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f994e54e669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9  0x00007f994f5f1323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f994bd91d80 (LWP 3075)):
#0  __GI___getdents64 (fd=5, buf=buf@entry=0x563dcba2e000, nbytes=<optimized
out>) at ../sysdeps/unix/sysv/linux/getdents64.c:32
#1  0x00007f994f5b0135 in __GI___readdir64 (dirp=0x563dcba2dfd0) at
../sysdeps/posix/readdir.c:65
#2  0x00007f994fc280af in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f994fbb6729 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f994fbb6fa9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f994fbb7470 in QDirIterator::QDirIterator(QString const&,
QFlags<QDir::Filter>, QFlags<QDirIterator::IteratorFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000563dca92868d in ?? ()
#7  0x0000563dca93a1c5 in ?? ()
#8  0x0000563dca9382d0 in ?? ()
#9  0x00007f994fcaeeba in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f994fc82a77 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f994fc85718 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f994fcdb0a7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f994de8284d in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f994de82ad0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f994de82b73 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f994fcda6a5 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f994fc8163b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f994fc893a6 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x0000563dca911fc9 in ?? ()
#20 0x00007f994f4f61e3 in __libc_start_main (main=0x563dca911c30, argc=1,
argv=0x7ffcb91103d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcb91103c8) at ../csu/libc-start.c:308
#21 0x0000563dca91217e in ?? ()
[Inferior 1 (process 3075) detached]

The reporter indicates this bug may be a duplicate of or related to bug 405101.

Possible duplicates by query: bug 405101, bug 401288.

Reported using DrKonqi

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