Application: ktorrent (4.3.0) KDE Platform Version: 4.9.00 (Compiled from sources) Qt Version: 4.8.3 Operating System: Linux 3.5.2-gentoo x86_64 Distribution (Platform): Gentoo Packages -- Information about the crash: - What I was doing when the application crashed: 1. Click Group View Visible button in toolbar 2. Right click in the groups view - Actual result: KTorrent crashes - Expected KTorrent shouldn't crash The crash can be reproduced every time. -- Backtrace: Application: KTorrent (ktorrent), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fddce401780 (LWP 1234))] Thread 7 (Thread 0x7fddcab2b700 (LWP 1551)): #0 0x0000003078e0fc0d in read () at ../sysdeps/unix/syscall-template.S:82 #1 0x000000307be8263f in read (__nbytes=16, __buf=0x7fddcab2ac90, __fd=<optimized out>) at /usr/include/bits/unistd.h:45 #2 g_wakeup_acknowledge (wakeup=0x7fddc4001c10) at gwakeup.c:212 #3 0x000000307be48849 in g_main_context_check (context=context@entry=0x7fddc40008c0, max_priority=2147483647, fds=fds@entry=0x7fddc4002cb0, n_fds=n_fds@entry=1) at gmain.c:2980 #4 0x000000307be48c62 in g_main_context_iterate (context=context@entry=0x7fddc40008c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3143 #5 0x000000307be48de4 in g_main_context_iteration (context=0x7fddc40008c0, may_block=1) at gmain.c:3207 #6 0x00007fddd08c7896 in QEventDispatcherGlib::processEvents (this=0x7fddc4002800, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #7 0x00007fddd089861f in QEventLoop::processEvents (this=this@entry=0x7fddcab2ae40, flags=...) at kernel/qeventloop.cpp:149 #8 0x00007fddd08988a8 in QEventLoop::exec (this=0x7fddcab2ae40, flags=...) at kernel/qeventloop.cpp:204 #9 0x00007fddd079a990 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #10 0x00007fddd0878f2f in QInotifyFileSystemWatcherEngine::run (this=0x1a958d0) at io/qfilesystemwatcher_inotify.cpp:248 #11 0x00007fddd079d90c in QThreadPrivate::start (arg=0x1a958d0) at thread/qthread_unix.cpp:338 #12 0x0000003078e08f4a in start_thread (arg=0x7fddcab2b700) at pthread_create.c:305 #13 0x0000003077ee90ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115 Thread 6 (Thread 0x7fddc115f700 (LWP 2096)): #0 pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 #1 0x00007fddc3622afd in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7fddc3fdc2c0 <WTF::pageheap_memory>) at wtf/FastMalloc.cpp:2495 #2 0x00007fddc3622c09 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618 #3 0x0000003078e08f4a in start_thread (arg=0x7fddc115f700) at pthread_create.c:305 #4 0x0000003077ee90ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115 Thread 5 (Thread 0x7fddc095e700 (LWP 2099)): #0 0x0000003077ee01bf in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x000000307be48cc4 in g_main_context_poll (n_fds=1, fds=0x7fddbc0027c0, timeout=-1, context=0x7fddbc0009a0, priority=<optimized out>) at gmain.c:3440 #2 g_main_context_iterate (context=context@entry=0x7fddbc0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3141 #3 0x000000307be48de4 in g_main_context_iteration (context=0x7fddbc0009a0, may_block=1) at gmain.c:3207 #4 0x00007fddd08c7896 in QEventDispatcherGlib::processEvents (this=0x7fddbc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #5 0x00007fddd089861f in QEventLoop::processEvents (this=this@entry=0x7fddc095de70, flags=...) at kernel/qeventloop.cpp:149 #6 0x00007fddd08988a8 in QEventLoop::exec (this=0x7fddc095de70, flags=...) at kernel/qeventloop.cpp:204 #7 0x00007fddd079a990 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #8 0x00007fddd079d90c in QThreadPrivate::start (arg=0x34604e0) at thread/qthread_unix.cpp:338 #9 0x0000003078e08f4a in start_thread (arg=0x7fddc095e700) at pthread_create.c:305 #10 0x0000003077ee90ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115 Thread 4 (Thread 0x7fddb8849700 (LWP 2239)): #0 net::Socket::ready(net::Poll const*, net::Poll::Mode) const (this=0x33eae50, p=0x175e390, mode=INPUT) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/socket.cpp:449 #1 0x00007fddd14985c1 in _ZN3net14DownloadThread6updateEv.part.24 (this=0x175e380) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/downloadthread.cpp:65 #2 net::DownloadThread::update() (this=0x175e380) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/downloadthread.cpp:46 #3 0x00007fddd1486aa9 in net::NetworkThread::run() (this=0x175e380) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/networkthread.cpp:48 #4 0x00007fddd079d90c in QThreadPrivate::start (arg=0x175e380) at thread/qthread_unix.cpp:338 #5 0x0000003078e08f4a in start_thread (arg=0x7fddb8849700) at pthread_create.c:305 #6 0x0000003077ee90ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115 Thread 3 (Thread 0x7fdd63fff700 (LWP 2240)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:39 #1 0x00007fddd079c414 in _q_futex (timeout=0x0, val=2, op=0, addr=0x175e610, addr2=<optimized out>, val2=<optimized out>) at thread/qmutex_unix.cpp:99 #2 QMutexPrivate::wait (this=0x175e610, timeout=<optimized out>) at thread/qmutex_unix.cpp:113 #3 0x00007fddd0798765 in QMutex::lock (this=<optimized out>) at thread/qmutex.cpp:164 #4 0x00007fddd1497faa in waitForSocketsReady (this=0x175e890) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/uploadthread.cpp:112 #5 net::UploadThread::update() (this=0x175e890) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/uploadthread.cpp:45 #6 0x00007fddd1486aa9 in net::NetworkThread::run() (this=0x175e890) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/networkthread.cpp:48 #7 0x00007fddd079d90c in QThreadPrivate::start (arg=0x175e890) at thread/qthread_unix.cpp:338 #8 0x0000003078e08f4a in start_thread (arg=0x7fdd63fff700) at pthread_create.c:305 #9 0x0000003077ee90ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115 Thread 2 (Thread 0x7fdd637fe700 (LWP 2241)): #0 pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 #1 0x00007fddd079de6b in wait (time=18446744073709551615, this=0x3304b40) at thread/qwaitcondition_unix.cpp:86 #2 QWaitCondition::wait (this=<optimized out>, mutex=0x19daf80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158 #3 0x00007fddd1517f9a in net::ReverseResolverThread::run (this=0x19daf70) at /mnt/linux2/var/tmp/portage/net-libs/libktorrent-1.3.0/work/libktorrent-1.3.0/src/net/reverseresolver.cpp:124 #4 0x00007fddd079d90c in QThreadPrivate::start (arg=0x19daf70) at thread/qthread_unix.cpp:338 #5 0x0000003078e08f4a in start_thread (arg=0x7fdd637fe700) at pthread_create.c:305 #6 0x0000003077ee90ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115 Thread 1 (Thread 0x7fddce401780 (LWP 1234)): [KCrash Handler] #6 0x000000000045e8e3 in groupForIndex (index=..., this=0x2e61df0) at /mnt/linux2/var/tmp/portage/net-p2p/ktorrent-4.3.0/work/ktorrent-4.3.0/ktorrent/groups/groupviewmodel.cpp:183 #7 showContextMenu (p=..., this=0x2f8c940) at /mnt/linux2/var/tmp/portage/net-p2p/ktorrent-4.3.0/work/ktorrent-4.3.0/ktorrent/groups/groupview.cpp:143 #8 _ZN2kt9GroupView18qt_static_metacallEP7QObjectN11QMetaObject4CallEiPPv.part.10 (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>) at /mnt/linux2/var/tmp/portage/net-p2p/ktorrent-4.3.0/work/ktorrent-4.3.0_build/ktorrent/groupview.moc:69 #9 qt_static_metacall (_o=0x2f8c940, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /mnt/linux2/var/tmp/portage/net-p2p/ktorrent-4.3.0/work/ktorrent-4.3.0_build/ktorrent/groupview.moc:59 #10 0x00007fddd08afef4 in QMetaObject::activate (sender=0x2f8c940, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff57857ba0) at kernel/qobject.cpp:3547 #11 0x00007fddd01f2719 in QWidget::customContextMenuRequested(QPoint const&) () from /usr/lib64/qt4/libQtGui.so.4 #12 0x00007fddd01e76b1 in QWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #13 0x00007fddcfc483d5 in QFrame::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #14 0x00007fddcfbdc458 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #15 0x00007fddcfa7ffe1 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #16 0x00007fddcfa5120a in QTreeView::viewportEvent(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #17 0x00007fddcfbd97f1 in QAbstractScrollAreaFilter::eventFilter(QObject*, QEvent*) [clone .local.5241] () from /usr/lib64/qt4/libQtGui.so.4 #18 0x00007fddd0899a34 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x2e61810, event=0x7fff57858e30) at kernel/qcoreapplication.cpp:1025 #19 0x00007fddd0272d51 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #20 0x00007fddd0270974 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #21 0x000000000045498a in kt::App::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at /mnt/linux2/var/tmp/portage/net-p2p/ktorrent-4.3.0/work/ktorrent-4.3.0/ktorrent/app.cpp:99 #22 0x00007fddd08998ce in QCoreApplication::notifyInternal (this=0x7fff5785a8b0, receiver=0x2e61810, event=0x7fff57858e30) at kernel/qcoreapplication.cpp:915 #23 0x00007fddd0227e5f in QETWidget::translateMouseEvent(_XEvent const*) [clone .34508] () from /usr/lib64/qt4/libQtGui.so.4 #24 0x00007fddd0224236 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/qt4/libQtGui.so.4 #25 0x00007fddd017437a in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) [clone .210389] () from /usr/lib64/qt4/libQtGui.so.4 #26 0x000000307be489f5 in g_main_dispatch (context=0x1793c10) at gmain.c:2539 #27 g_main_context_dispatch (context=context@entry=0x1793c10) at gmain.c:3075 #28 0x000000307be48d28 in g_main_context_iterate (context=context@entry=0x1793c10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3146 #29 0x000000307be48de4 in g_main_context_iteration (context=0x1793c10, may_block=1) at gmain.c:3207 #30 0x00007fddd08c7876 in QEventDispatcherGlib::processEvents (this=0x1753b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #31 0x00007fddd017470d in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtGui.so.4 #32 0x00007fddd089861f in QEventLoop::processEvents (this=this@entry=0x7fff57859b10, flags=...) at kernel/qeventloop.cpp:149 #33 0x00007fddd08988a8 in QEventLoop::exec (this=0x7fff57859b10, flags=...) at kernel/qeventloop.cpp:204 #34 0x00007fddd089d4d6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187 #35 0x00007fddd026f4df in QApplication::exec() () from /usr/lib64/qt4/libQtGui.so.4 #36 0x000000000042c14b in main (argc=5, argv=<optimized out>) at /mnt/linux2/var/tmp/portage/net-p2p/ktorrent-4.3.0/work/ktorrent-4.3.0/ktorrent/main.cpp:186 Reported using DrKonqi
Git commit 38398b45ab57b50db1d2aa15a6d4da4aa03dc332 by Joris Guisson. Committed on 24/09/2012 at 11:18. Pushed by guisson into branch 'master'. Fix crash when right clicking on some locations in the GroupView due to 0 pointer M +1 -0 ChangeLog M +1 -1 ktorrent/groups/groupviewmodel.cpp http://commits.kde.org/ktorrent/38398b45ab57b50db1d2aa15a6d4da4aa03dc332
Git commit 9f675a3e9679edaf5659ac80524dbbd0d66ad508 by Joris Guisson. Committed on 24/09/2012 at 11:18. Pushed by guisson into branch '4.3'. Backport to 4.3: Fix crash when right clicking on some locations in the GroupView due to 0 pointer M +1 -0 ChangeLog M +1 -1 ktorrent/groups/groupviewmodel.cpp http://commits.kde.org/ktorrent/9f675a3e9679edaf5659ac80524dbbd0d66ad508