https://bugs.kde.org/show_bug.cgi?id=432949
Bug ID: 432949
Summary: Crash on startup with KDNSSD 5.79.0
Product: ktorrent
Version: 20.12.2
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: joris.guis...@gmail.com
Reporter: cont...@scrumplex.net
Target Milestone: ---
SUMMARY
Starting KTorrent with KDNSSD 5.79.0 installed causes a crash on startup.
Rebuilding against 5.79.0 does not help. Git master also does not work.
STEPS TO REPRODUCE
1. Install ktorrent=20.12.2 and kdnssd=5.79.0
2. Start ktorrent
OBSERVED RESULT
Application: KTorrent (ktorrent), signal: Segmentation fault
[KCrash Handler]
#4 0x00007f6d400666e3 in std::__atomic_base<int>::load(std::memory_order)
const (__m=std::memory_order_relaxed, this=0x65007200620000) at
/usr/include/c++/10.2.0/bits/atomic_base.h:426
#5 QAtomicOps<int>::loadRelaxed<int>(std::atomic<int> const&) (_q_value=...)
at /usr/include/qt/QtCore/qatomic_cxx11.h:239
#6 QBasicAtomicInteger<int>::loadRelaxed() const (this=0x65007200620000) at
/usr/include/qt/QtCore/qbasicatomic.h:107
#7 QtPrivate::RefCount::deref() (this=0x65007200620000) at
/usr/include/qt/QtCore/qrefcount.h:66
#8 QString::~QString() (this=0x7ffec4cb5fc0, __in_chrg=<optimized out>) at
/usr/include/qt/QtCore/qstring.h:1307
#9 0x00007f6d40070057 in QString::operator=(char const*) (ch=0x7f6d4007cb88
"local.", this=0x56068d2b1ce8) at /usr/include/qt/QtCore/qstring.h:275
#10 KDNSSD::PublicService::PublicService(QString const&, QString const&,
unsigned int, QString const&, QStringList const&) (this=0x56068ca6ed30,
name=..., type=<optimized out>, port=3301662656, domain=..., subtypes=...) at
/usr/src/debug/kdnssd-5.79.0/src/avahi-publicservice.cpp:33
#11 0x00007f6d400ccd23 in kt::TorrentService::start() () at
/usr/lib/qt/plugins/ktorrent/ktorrent_zeroconf.so
#12 0x00007f6da17a2696 in () at /usr/lib/libKF5Torrent.so.6
#13 0x00007f6da17ac966 in bt::TorrentControl::continueStart() () at
/usr/lib/libKF5Torrent.so.6
#14 0x00007f6da18d28d2 in kt::QueueManager::startSafely(bt::TorrentInterface*)
() at /usr/lib/libktcore.so.16
#15 0x00007f6da18d2965 in
kt::QueueManager::startInternal(bt::TorrentInterface*) () at
/usr/lib/libktcore.so.16
#16 0x00007f6da18d475e in kt::QueueManager::orderQueue() () at
/usr/lib/libktcore.so.16
#17 0x000056068a4fe60e in kt::Core::delayedStart() ()
#18 0x00007f6d9fc16532 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#19 0x00007f6da06b1752 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#20 0x00007f6d9fbe9a2a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#21 0x00007f6d9fbec523 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#22 0x00007f6d9fc43054 in () at /usr/lib/libQt5Core.so.5
#23 0x00007f6d9dc63b84 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#24 0x00007f6d9dcb7c21 in () at /usr/lib/libglib-2.0.so.0
#25 0x00007f6d9dc623b1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#26 0x00007f6d9fc42691 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#27 0x00007f6d9fbe83ac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#28 0x00007f6d9fbf0844 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#29 0x000056068a4f44cc in main ()
[Inferior 1 (process 245785) detached]
EXPECTED RESULT
yes.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.20.90
KDE Frameworks Version: 5.79.0
Qt Version: 5.15.2
Kernel Version: 5.10.15-zen2-1-zen
OS Type: 64-bit
Processors: 24 × AMD Ryzen 9 3900X 12-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: Radeon RX Vega
ADDITIONAL INFORMATION
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