https://bugs.kde.org/show_bug.cgi?id=494924

            Bug ID: 494924
           Summary: Sudden crash during a session in (anonymous
                    namespace)::sendChangedSignal (updatedFiles=...)
    Classification: Frameworks and Libraries
           Product: frameworks-baloo
           Version: 6.7.0
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: Baloo File Daemon
          Assignee: baloo-bugs-n...@kde.org
          Reporter: pos...@posteo.eu
  Target Milestone: ---

Created attachment 174934
  --> https://bugs.kde.org/attachment.cgi?id=174934&action=edit
full backtrace

SUMMARY

While more or less idling, Baloo suddenly crashed (#16). Could also be a Qt bug
though.

```
#0  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1  0x00007f0ed10a86d3 in __pthread_kill_internal (threadid=<optimized out>,
signo=11) at pthread_kill.c:78
#2  0x00007f0ed104fc4e in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#3  0x00007f0ed21861a2 in KCrash::defaultCrashHandler (sig=11) at
/usr/src/debug/kf6-kcrash-6.7.0-1.fc40.x86_64/src/kcrash.cpp:596
#4  <signal handler called>
#5  QUtf8::convertFromUnicode (in=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/text/qstringconverter.cpp:490
#6  0x00007f0ed1890238 in qt_convert_to_utf8 (str=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/text/qstring.cpp:5666
#7  QString::toUtf8_helper (str=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/text/qstring.cpp:5658
#8  0x00007f0ed1e3e226 in QString::toUtf8() const & (this=0x7f0ebe5ff338) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/text/qstring.h:619
#9  QDBusMarshaller::append (this=this@entry=0x7f0ebe5ff350, arg=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/dbus/qdbusmarshaller.cpp:102
#10 0x00007f0ed1e4082f in QDBusMarshaller::append (this=0x55b65734e068,
arg=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/dbus/qdbusmarshaller.cpp:210
#11 QDBusMarshaller::appendVariantInternal (this=this@entry=0x7f0ebe5ff530,
arg=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/dbus/qdbusmarshaller.cpp:446
#12 0x00007f0ed1e77caf in QDBusMessagePrivate::toDBusMessage (message=...,
capabilities=..., error=error@entry=0x7f0ebe5ff7f0)
    at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/dbus/qdbusmessage.cpp:178
#13 0x00007f0ed1e529a1 in QDBusConnectionPrivate::send (this=0x7f0eb8001450,
message=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/global/qflags.h:34
#14 0x00007f0ed1e53077 in QDBusConnectionPrivate::send (this=<optimized out>,
message=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/dbus/qdbusintegrator.cpp:1967
#15 0x00007f0ed1e43f5e in QDBusConnection::send (this=<optimized out>,
message=...) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/dbus/qdbusconnection.cpp:316
#16 0x000055b655c6bfdf in (anonymous namespace)::sendChangedSignal
(updatedFiles=...) at
/usr/src/debug/kf6-baloo-6.7.0-1.fc40.x86_64/src/file/filecontentindexer.cpp:27
#17 Baloo::FileContentIndexer::run (this=<optimized out>) at
/usr/src/debug/kf6-baloo-6.7.0-1.fc40.x86_64/src/file/filecontentindexer.cpp:103
#18 0x00007f0ed195d923 in QThreadPoolThread::run (this=0x55b65728ad80) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/thread/qthreadpool.cpp:68
#19 0x00007f0ed195473c in operator() (__closure=<optimized out>) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/thread/qthread_unix.cpp:326
#20 (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=...)
    at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/thread/qthread_unix.cpp:262
#21 QThreadPrivate::start (arg=0x55b65728ad80) at
/usr/src/debug/qt6-qtbase-6.7.2-6.fc40.x86_64/src/corelib/thread/qthread_unix.cpp:285
#22 0x00007f0ed10a66d7 in start_thread (arg=<optimized out>) at
pthread_create.c:447
#23 0x00007f0ed112a60c in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
```


SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.2.0
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2
Kernel Version: 6.11.3-200.fc40.x86_64 (64-bit)
Graphics Platform: Wayland

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