https://bugs.kde.org/show_bug.cgi?id=409600

            Bug ID: 409600
           Summary: KTorrent is crashed after i quit from it
           Product: ktorrent
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: joris.guis...@gmail.com
          Reporter: zg_n...@mail.ru
  Target Milestone: ---

Application: ktorrent (5.1.0)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-54-generic x86_64
Distribution: Ubuntu 18.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed: i just call "File" -> "Quit"
via menu in main window. OS Kubuntu 18.04. Sorry for my english - it's not my
native.

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 0x7f23d04c0800 (LWP 11712))]

Thread 5 (Thread 0x7f2378d3a700 (LWP 13097)):
#0  0x00007f23ca601bf9 in __GI___poll (fds=0x7f23700032c0, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f23c28c5481 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f23c28b6e40 in pa_mainloop_poll () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f23c28b74d0 in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f23c28b7560 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f23c28c53c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f23beb58318 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f23c5f046db in start_thread (arg=0x7f2378d3a700) at
pthread_create.c:463
#8  0x00007f23ca60e88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f2391798700 (LWP 11750)):
#0  0x00007f23c5f0a9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55a0ffe8ea30) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f23c5f0a9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55a0ffe8e9e0, cond=0x55a0ffe8ea08) at pthread_cond_wait.c:502
#2  0x00007f23c5f0a9f3 in __pthread_cond_wait (cond=0x55a0ffe8ea08,
mutex=0x55a0ffe8e9e0) at pthread_cond_wait.c:655
#3  0x00007f23cb2ca59b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f23cfd1a413 in  () at /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#5  0x00007f23cb2c916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f23c5f046db in start_thread (arg=0x7f2391798700) at
pthread_create.c:463
#7  0x00007f23ca60e88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f23b17c0700 (LWP 11717)):
#0  0x00007f23ca5fd0b4 in __GI___libc_read (fd=19, buf=0x7f23b17bfb90,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f23c4445000 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f23c43fffb7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f23c4400470 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f23c44005dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f23cb50090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f23cb4a59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f23cb2c422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f23cb2c916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f23c5f046db in start_thread (arg=0x7f23b17c0700) at
pthread_create.c:463
#10 0x00007f23ca60e88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f23b31d2700 (LWP 11715)):
#0  0x00007f23ca601bf9 in __GI___poll (fds=0x7f23ac0279b0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f23c44004c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f23c44005dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f23cb50090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f23cb4a59ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f23cb2c422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f23cc92dd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f23cb2c916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f23c5f046db in start_thread (arg=0x7f23b31d2700) at
pthread_create.c:463
#9  0x00007f23ca60e88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f23d04c0800 (LWP 11712)):
[KCrash Handler]
#6  0x00007f23cd97d5e6 in  () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#7  0x00007f23cd97f1a5 in  () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#8  0x00007f23cd97f2f8 in  () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#9  0x00007f23cd97a769 in  () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#10 0x00007f23cd97a9f6 in KDirWatch::~KDirWatch() () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#11 0x00007f23cd97aa39 in KDirWatch::~KDirWatch() () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#12 0x00007f23cb4d419b in QObjectPrivate::deleteChildren() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f23cb4dd9cb in QObject::~QObject() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f239bee4cb4 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/ktorrent/ktorrent_scanfolder.so
#15 0x00007f239bee2077 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/ktorrent/ktorrent_scanfolder.so
#16 0x00007f239bee20e9 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/ktorrent/ktorrent_scanfolder.so
#17 0x00007f239bee567e in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/ktorrent/ktorrent_scanfolder.so
#18 0x00007f23d00ccf36 in kt::PluginManager::unloadAll() () at
/usr/lib/x86_64-linux-gnu/libktcore.so.16
#19 0x000055a0fc335fed in  ()
#20 0x00007f23cb4d66cf in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f23cb4a61c7 in
QCoreApplication::aboutToQuit(QCoreApplication::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f23cb4aa6db in QCoreApplicationPrivate::execCleanup() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f23cb4aea9d in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x000055a0fc33302a in  ()
#25 0x00007f23ca50eb97 in __libc_start_main (main=0x55a0fc330d60, argc=1,
argv=0x7ffc0e57be08, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc0e57bdf8) at ../csu/libc-start.c:310
#26 0x000055a0fc333a0a in _start ()

Reported using DrKonqi

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