Application: ktorrent (5.1.2)

Qt Version: 5.12.5
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-2-amd64 x86_64
Distribution: Debian GNU/Linux bullseye/sid

-- Information about the crash:
Since I've added some magnet link, ktorrent crashes

The crash can be reproduced every time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6cf0d5d800 (LWP 89485))]

Thread 10 (Thread 0x7f6c5ffff700 (LWP 89552)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x5616e8e6c5f4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5616e8e6c5a0, cond=0x5616e8e6c5c8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5616e8e6c5c8, mutex=0x5616e8e6c5a0) at pthread_cond_wait.c:655
#3  0x00007f6cf5ba07ef in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6cf5ba08d9 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf79d0c69 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#6  0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f6c5effd700 (LWP 89551)):
#0  0x00007f6cf56acba5 in __GI___nanosleep (requested_time=0x7f6c5effcd60, remaining=0x7f6c5effcd60) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007f6cf5daf16d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f6cf79ce0bd in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#3  0x00007f6cf79ce659 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#4  0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f6c5e7fc700 (LWP 89550)):
#0  0x00007f6cf56acba5 in __GI___nanosleep (requested_time=0x7f6c5e7fbd60, remaining=0x7f6c5e7fbd60) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007f6cf5daf16d in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f6cf79ce60d in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#3  0x00007f6cf79ce659 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#4  0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f6cb5ac4700 (LWP 89499)):
#0  0x00007f6cf4117149 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6cf40cb294 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6cf40cc059 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6cf40cc1bf in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6cf5daf80b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf5d5871b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6cf5b99751 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f6cb65dd700 (LWP 89498)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x5616e83aa7b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5616e83aa768, cond=0x5616e83aa790) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5616e83aa790, mutex=0x5616e83aa768) at pthread_cond_wait.c:655
#3  0x00007f6cbd0b1b8b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f6cbd0b17a7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f6cb6f1f700 (LWP 89497)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x5616e82c8594) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5616e82c8540, cond=0x5616e82c8568) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5616e82c8568, mutex=0x5616e82c8540) at pthread_cond_wait.c:655
#3  0x00007f6cbd0b1b8b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f6cbd0b17a7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f6cedade700 (LWP 89491)):
#0  0x00007fffb6dd86e8 in ?? ()
#1  0x00007fffb6dd8928 in clock_gettime ()
#2  0x00007f6cf56ecdf7 in __GI___clock_gettime (clock_id=1, tp=0x7f6cedaddb20) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f6cf5daf111 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6cf5dada39 in QTimerInfoList::updateCurrentTime() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf5dae005 in QTimerInfoList::timerWait(timespec&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6cf5dafbcc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f6cf40cb61f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f6cf40cbfcb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f6cf40cc1bf in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f6cf5daf80b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f6cf5d5871b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f6cf5b99751 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#15 0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6ced2d5700 (LWP 89490)):
#0  0x00007f6cf40cbfa4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6cf40cc1bf in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6cf5daf80b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f6cf5d5871b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6cf5b99751 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6ceecf6700 (LWP 89487)):
#0  0x00007f6cf56d4d0f in __GI___poll (fds=0x7f6ce0020a40, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6cf40cc09e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6cf40cc1bf in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6cf5daf80b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6cf5d5871b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6cf5b99751 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6cf6c8f4e6 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f6cf5b9a8d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6cf4958fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f6cf56df2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f6cf0d5d800 (LWP 89485)):
[KCrash Handler]
#6  0x00007f6cf7b6a844 in QListData::at (this=0x5616e616b358, i=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:115
#7  QList<kt::MagnetDownloader*>::at (i=<optimized out>, this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:542
#8  kt::MagnetManager::update (this=0x5616e616b330) at ./libktcore/torrent/magnetmanager.cpp:377
#9  0x00005616e4c43cca in kt::Core::update (this=0x5616e6165350) at ./ktorrent/core.cpp:1036
#10 0x00007f6cf5d84528 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f6cf5d91147 in QTimer::timeout(QTimer::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f6cf5d84d85 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f6cf6755c32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f6cf675f190 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f6cf5d59a92 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f6cf5daebd0 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f6cf5daf444 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f6cf40cbead in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f6cf40cc130 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f6cf40cc1bf in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f6cf5daf7f1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f6cf5d5871b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f6cf5d601c2 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00005616e4c3b77a in main (argc=<optimized out>, argv=<optimized out>) at ./ktorrent/main.cpp:244
[Inferior 1 (process 89485) detached]

The reporter indicates this bug may be a duplicate of or related to bug 395410.

Possible duplicates by query: bug 395410.

Reported using DrKonqi