https://bugs.kde.org/show_bug.cgi?id=405893

            Bug ID: 405893
           Summary: baloo crash during initial indexing of my homedir
           Product: frameworks-baloo
           Version: 5.56.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: Baloo File Daemon
          Assignee: baloo-bugs-n...@kde.org
          Reporter: l.bonn...@laposte.net
  Target Milestone: ---

Application: baloo_file (5.56.0)

Qt Version: 5.11.3
Frameworks Version: 5.56.0
Operating System: Linux 5.0.4-050004-generic x86_64
Distribution: Ubuntu Disco Dingo (development branch)

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

I deleted all baloo files/directories in my homedir (for a clean re-indexing)
and logged in.
Running "balooctl start" also crashes immediately.

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".
[Current thread is 1 (Thread 0x7f1a14a13f80 (LWP 14035))]

Thread 3 (Thread 0x7f1a1397e700 (LWP 14038)):
[KCrash Handler]
#6  0x00007f1a18e7485a in QByteArray::append (this=this@entry=0x7f1a1397da48,
ba=...) at /usr/include/c++/8/bits/atomic_base.h:390
#7  0x00007f1a193cc11a in Baloo::DocTermsCodec::encode
(this=this@entry=0x7f1a1397da47, terms=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:213
#8  0x00007f1a193a3d28 in Baloo::DocumentDB::put
(this=this@entry=0x7f1a1397db10, docId=<optimized out>,
docId@entry=114349209288731, list=...) at ./src/engine/documentdb.cpp:71
#9  0x00007f1a193c815b in Baloo::WriteTransaction::addDocument
(this=0x7eda04004de0, doc=...) at ./src/engine/writetransaction.cpp:62
#10 0x00007f1a193c0a39 in Baloo::Transaction::addDocument
(this=this@entry=0x7f1a1397dc50, doc=...) at ./src/engine/transaction.cpp:233
#11 0x000055df300acf76 in Baloo::FirstRunIndexer::run (this=0x55df31a32d40) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:60
#12 0x00007f1a18e68f91 in QThreadPoolThread::run (this=0x55df31a8b820) at
thread/qthreadpool.cpp:101
#13 0x00007f1a18e70c77 in QThreadPrivate::start (arg=0x55df31a8b820) at
thread/qthread_unix.cpp:367
#14 0x00007f1a179c3182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#15 0x00007f1a189b1faf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1a144a1700 (LWP 14037)):
#0  0x00007f1a189a5ba9 in __GI___poll (fds=0x7f1a0c005260, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1a170ffcb6 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f1a0c005260, timeout=<optimized out>, context=0x7f1a0c000bf0)
at ../../../glib/gmain.c:4228
#2  g_main_context_iterate (context=context@entry=0x7f1a0c000bf0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:3922
#3  0x00007f1a170ffddc in g_main_context_iteration (context=0x7f1a0c000bf0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:3988
#4  0x00007f1a1906b04b in QEventDispatcherGlib::processEvents
(this=0x7f1a0c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f1a1901814b in QEventLoop::exec (this=this@entry=0x7f1a144a0d70,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f1a18e670d6 in QThread::exec (this=this@entry=0x7f1a19466d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f1a193ec545 in QDBusConnectionManager::run (this=0x7f1a19466d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#8  0x00007f1a18e70c77 in QThreadPrivate::start (arg=0x7f1a19466d60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:367
#9  0x00007f1a179c3182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f1a189b1faf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1a14a13f80 (LWP 14035)):
#0  0x00007f1a189a5ba9 in __GI___poll (fds=0x55df319e6d10, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1a170ffcb6 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x55df319e6d10, timeout=<optimized out>, context=0x55df319cf4d0)
at ../../../glib/gmain.c:4228
#2  g_main_context_iterate (context=context@entry=0x55df319cf4d0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:3922
#3  0x00007f1a170ffddc in g_main_context_iteration (context=0x55df319cf4d0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:3988
#4  0x00007f1a1906b04b in QEventDispatcherGlib::processEvents
(this=0x55df319ceb40, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f1a1901814b in QEventLoop::exec (this=this@entry=0x7ffeea6a3e40,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f1a190202b2 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x000055df300a7997 in main (argc=<optimized out>, argv=<optimized out>) at
./src/file/main.cpp:104
[Inferior 1 (process 14035) detached]

Reported using DrKonqi

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