Bug 515539

Summary: Baloo crashes in Baloo::DocumentDB::put after logon from sddm (Plasma Wayland session)
Product: [Frameworks and Libraries] frameworks-baloo Reporter: james.robert.reid.tullett <james.robert.reid.tullett>
Component: Baloo File DaemonAssignee: baloo-bugs-null
Status: REPORTED ---    
Severity: crash CC: kdedev, tagwerk19
Priority: NOR Keywords: drkonqi
Version First Reported In: 6.22.0   
Target Milestone: ---   
Platform: Other   
OS: Linux   
See Also: https://bugs.kde.org/show_bug.cgi?id=494525
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description james.robert.reid.tullett@gmail.com 2026-02-05 07:40:37 UTC 
Application: baloo_file (6.22.0)

ApplicationNotResponding [ANR]: false
Qt Version: 6.10.2
Frameworks Version: 6.22.0
Operating System: Linux 6.18.7-1-default x86_64
Windowing System: Wayland
Distribution: openSUSE Tumbleweed
DrKonqi: 6.5.90 [CoredumpBackend]

-- Information about the crash:
Whenever I log on to my OpenSUSE tumbleweed machine, I see a crash report about baloo_file.

The crash can be reproduced sometimes.

-- Backtrace:
Application: baloo_file (baloo_file), signal: Aborted

[New LWP 140551]
[New LWP 140467]
[New LWP 140461]

This GDB supports auto-downloading debuginfo from the following URLs:
  <https://debuginfod.opensuse.org/>
Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
Debuginfod has been disabled.
To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/libexec/kf6/baloo_file'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007fc287e9dd3c in __pthread_kill_implementation () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7fc284dfd6c0 (LWP 140551))]
python sentry-sdk not installed :(
Using eu-unstrip to resolve modules.
[Current thread is 1 (Thread 0x7fc284dfd6c0 (LWP 140551))]

Thread 3 (Thread 0x7fc285c3e380 (LWP 140461)):
#0  0x00007fc287ea4812 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007fc287e98008 in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007fc287e98061 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007fc287f12f32 in ppoll () from /lib64/libc.so.6
#4  0x00007fc286f09b5f in ?? () from /lib64/libglib-2.0.so.0
#5  0x00007fc286f0a2ac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007fc288a8ec48 in QEventDispatcherGlib::processEvents (this=0x55de4f2979b0, flags=...) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#7  0x00007fc2887dd62b in QEventLoop::exec (this=0x7fff8a76c430, flags=...) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qflags.h:77
#8  0x00007fc2887d4503 in QCoreApplication::exec () at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qcoreapplication.cpp:1452
#9  0x000055de43face05 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/baloo-6.22.0/src/file/main.cpp:84

Thread 2 (Thread 0x7fc2857ff6c0 (LWP 140467)):
#0  0x00007fc287ea4812 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007fc287e98008 in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007fc287e98061 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007fc287f12f32 in ppoll () from /lib64/libc.so.6
#4  0x00007fc286f09b5f in ?? () from /lib64/libglib-2.0.so.0
#5  0x00007fc286f0a2ac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007fc288a8ec48 in QEventDispatcherGlib::processEvents (this=0x7fc280000be0, flags=...) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#7  0x00007fc2887dd62b in QEventLoop::exec (this=0x7fc2857fea70, flags=...) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qflags.h:77
#8  0x00007fc2888e46d9 in QThread::exec (this=<optimized out>) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread.cpp:672
#9  0x00007fc288e04afe in ?? () from /lib64/libQt6DBus.so.6
#10 0x00007fc28897c0f5 in operator() (__closure=<optimized out>) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:448
#11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:373
#12 QThreadPrivate::start (arg=0x7fc288e8ce40) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:422
#13 0x00007fc287e9bdf1 in start_thread () from /lib64/libc.so.6
#14 0x00007fc287f20c8c in __clone3 () from /lib64/libc.so.6

Thread 1 (Thread 0x7fc284dfd6c0 (LWP 140551)):
[KCrash Handler]
#4  0x00007fc287e9dd3c in __pthread_kill_implementation () from /lib64/libc.so.6
#5  0x00007fc287e427b6 in raise () from /lib64/libc.so.6
#6  0x00007fc287e2934b in abort () from /lib64/libc.so.6
#7  0x00007fc288087be6 in mdb_assert_fail.constprop.0 (env=0x55de4f2b6a20, expr_txt=<optimized out>, func=<optimized out>, line=<optimized out>, file=0x7fc2880947f1 "mdb.c") at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:1571
#8  0x00007fc288085fb3 in mdb_page_dirty (txn=<optimized out>, mp=<optimized out>) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:2143
#9  mdb_page_dirty (txn=0x55de4f2c3870, mp=<optimized out>) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:2143
#10 0x00007fc288093e85 in mdb_page_alloc.isra.0 (num=<optimized out>, mp=0x7fc284dfbae8, mc=<optimized out>) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:2337
#11 0x00007fc28808b30b in mdb_page_touch (mc=mc@entry=0x7fc284dfc030) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:2457
#12 0x00007fc28808cf97 in mdb_cursor_touch (mc=mc@entry=0x7fc284dfc030) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:6563
#13 0x00007fc28808fb66 in mdb_cursor_put (mc=mc@entry=0x7fc284dfc030, key=key@entry=0x7fc284dfc430, data=data@entry=0x7fc284dfc460, flags=<optimized out>, flags@entry=0) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:6697
#14 0x00007fc288090b17 in mdb_put (txn=0x55de4f2c3870, dbi=4, key=0x7fc284dfc430, data=0x7fc284dfc460, flags=0) at /usr/src/debug/openldap-LMDB_0.9.30/libraries/liblmdb/mdb.c:9076
#15 0x00007fc288f91ce8 in Baloo::DocumentDB::put (this=0x7fc284dfc5c0, docId=<optimized out>, list=...) at /usr/src/debug/baloo-6.22.0/src/engine/documentdb.cpp:65
#16 0x00007fc288fac29b in Baloo::WriteTransaction::addDocument (this=0x7f82780014a0, doc=...) at /usr/src/debug/baloo-6.22.0/src/engine/writetransaction.cpp:62
#17 0x000055de43fb8156 in Baloo::UnindexedFileIndexer::run (this=0x55de4f31f9a0) at /usr/include/qt6/QtCore/qarraydata.h:60
#18 0x00007fc2888e1a65 in QThreadPoolThread::run (this=0x55de4f2ce6d0) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthreadpool.cpp:72
#19 0x00007fc28897c0f5 in operator() (__closure=<optimized out>) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:448
#20 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:373
#21 QThreadPrivate::start (arg=0x55de4f2ce6d0) at /usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:422
#22 0x00007fc287e9bdf1 in start_thread () from /lib64/libc.so.6
#23 0x00007fc287f20c8c in __clone3 () from /lib64/libc.so.6

Reported using DrKonqi
Comment 1 TraceyC 2026-02-05 16:24:24 UTC 
The backtrace looks identical to bug 494525 except this crash is in Baloo::DocumentDB::put and the other is in Baloo::DocumentDB::del