Bug 345433

Application: ktorrent (4.3.1)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-37-generic x86_64
Distribution: Linux Mint 17.1 Rebecca

-- Information about the crash:
- What I was doing when the application crashed:
The computer was downloading torrents during the night. Ktorrent was minimized.
Firefox was opened too. No other software where running.

- Unusual behavior I noticed:
KTorrent crashed after many hours. without reasons.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe7b652a7c0 (LWP 14463))]

Thread 5 (Thread 0x7fe799f51700 (LWP 14465)):
#0  0x00007fe7b240612d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe7ae229fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe7ae22a0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe7b30a87be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe7b307a0af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe7b307a3a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe7b2f76c5f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe7b2f7932f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe7afcd4182 in start_thread (arg=0x7fe799f51700) at pthread_create.c:312
#9  0x00007fe7b241347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fe77bbe8700 (LWP 14511)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fe7b2f77dd3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fe7b2f743bd in QMutex::lock() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fe7b601f930 in ?? () from /usr/lib/libktorrent.so.5
#4  0x00007fe7b601fb19 in ?? () from /usr/lib/libktorrent.so.5
#5  0x00007fe7b2f7932f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe7afcd4182 in start_thread (arg=0x7fe77bbe8700) at pthread_create.c:312
#7  0x00007fe7b241347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fe77b3e7700 (LWP 14512)):
#0  0x00007fe7b6575dd7 in ?? ()
#1  0x0000000005570600 in ?? ()
#2  0x00000000006d6530 in net::SocketMonitor::self ()
#3  0x00000000011f7c40 in ?? ()
#4  0x00000000011f7c40 in ?? ()
#5  0x00000000011f7c50 in ?? ()
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe77abe6700 (LWP 14513)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe7b2f79816 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fe7b60222aa in ?? () from /usr/lib/libktorrent.so.5
#3  0x00007fe7b2f7932f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe7afcd4182 in start_thread (arg=0x7fe77abe6700) at pthread_create.c:312
#5  0x00007fe7b241347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fe7b652a7c0 (LWP 14463)):
[KCrash Handler]
#5  0x00007fe7b234fcc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#6  0x00007fe7b23530d8 in __GI_abort () at abort.c:89
#7  0x00007fe7b238c394 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7fe7b249852b "*** %s ***: %s terminated\n") at ../sysdeps/posix/libc_fatal.c:175
#8  0x00007fe7b2423c9c in __GI___fortify_fail (msg=<optimized out>, msg@entry=0x7fe7b24984c2 "buffer overflow detected") at fortify_fail.c:37
#9  0x00007fe7b2422b60 in __GI___chk_fail () at chk_fail.c:28
#10 0x00007fe7b2423be7 in __fdelt_chk (d=<optimized out>) at fdelt_chk.c:25
#11 0x00007fe7b4eb1a15 in ?? () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
#12 0x00007fe7b4eaf73e in ?? () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
#13 0x00007fe7b4ea9020 in QAbstractSocket::waitForBytesWritten(int) () from /usr/lib/x86_64-linux-gnu/libQtNetwork.so.4
#14 0x00007fe7b51e4fc2 in ?? () from /usr/lib/libkio.so.5
#15 0x00007fe7b51e5e14 in KIO::Connection::sendnow(int, QByteArray const&) () from /usr/lib/libkio.so.5
#16 0x00007fe7b51e6724 in ?? () from /usr/lib/libkio.so.5
#17 0x00007fe7b52a9e6c in KIO::Slave::accept() () from /usr/lib/libkio.so.5
#18 0x00007fe7b308f87a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007fe7b308f87a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007fe7b51e504b in ?? () from /usr/lib/libkio.so.5
#21 0x00007fe7b308f87a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007fe7b4235beb in KLocalSocketServer::incomingConnection(int) () from /usr/lib/libkdecore.so.5
#23 0x00007fe7b429d16c in ?? () from /usr/lib/libkdecore.so.5
#24 0x00007fe7b308f87a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x00007fe7b30da2ae in QSocketNotifier::activated(int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007fe7b309864b in QSocketNotifier::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#27 0x00007fe7b35ace2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#28 0x00007fe7b35b34a0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#29 0x000000000043a162 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 294996.

Possible duplicates by query: bug 338528, bug 337451, bug 332489.

Reported using DrKonqi