Bug 353611

Application: muon (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-14-generic x86_64
Distribution: Ubuntu Wily Werewolf (development branch)

-- Information about the crash:
- What I was doing when the application crashed:

I switched to the "technical details" tab viewing the Xorg package.  Muon crashed immediately.

-- Backtrace:
Application: Muon Package Manager (muon), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7cdffcb840 (LWP 21626))]

Thread 3 (Thread 0x7f7cdd4cd700 (LWP 21627)):
#0  0x00007f7cef6708dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ce8833bd2 in poll (__timeout=-1, __nfds=1, __fds=0x7f7cdd4ccc80) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x20cdd50, cond=cond@entry=0x20cdd90, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459
#3  0x00007f7ce883574f in xcb_wait_for_event (c=0x20cdd50) at ../../src/xcb_in.c:623
#4  0x00007f7cdfc719e9 in QXcbEventReader::run (this=0x20da0d0) at qxcbconnection.cpp:1105
#5  0x00007f7cefd632be in QThreadPrivate::start (arg=0x20da0d0) at thread/qthread_unix.cpp:337
#6  0x00007f7ceb0746aa in start_thread (arg=0x7f7cdd4cd700) at pthread_create.c:333
#7  0x00007f7cef67beed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f7ccffff700 (LWP 21731)):
#0  0x00007f7cef6708dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f7ceab551ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ceab552fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ceff9a29b in QEventDispatcherGlib::processEvents (this=0x7f7cc80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f7ceff4075a in QEventLoop::exec (this=this@entry=0x7f7ccfffed80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f7cefd5e3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f7cefd632be in QThreadPrivate::start (arg=0x23f97b0) at thread/qthread_unix.cpp:337
#7  0x00007f7ceb0746aa in start_thread (arg=0x7f7ccffff700) at pthread_create.c:333
#8  0x00007f7cef67beed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f7cdffcb840 (LWP 21626)):
[KCrash Handler]
#6  0x00007f7cec45c819 in pkgAcquire::Add(pkgAcquire::Item*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
#7  0x00007f7cec4375ca in pkgAcquire::Item::Item(pkgAcquire*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
#8  0x00007f7cec43da03 in pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<IndexTarget*, std::allocator<IndexTarget*> > const*, indexRecords*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
#9  0x00007f7cec43fceb in pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<IndexTarget*, std::allocator<IndexTarget*> > const*, indexRecords*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
#10 0x00007f7cec4a5ce6 in debReleaseIndex::GetIndexes(pkgAcquire*, bool const&) const () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
#11 0x00007f7cf2692ed2 in QApt::PackagePrivate::getReleaseFileForOrigin (this=0x2a25550, label=..., release=...) at ../../src/package.cpp:137
#12 0x00007f7cf269bfa6 in QApt::Package::supportedUntil (this=0x2a25590) at ../../src/package.cpp:652
#13 0x000000000042b066 in MainTab::refresh (this=0x21f57f0) at ../../muon/DetailsTabs/MainTab.cpp:186
#14 0x000000000042f94d in DetailsWidget::setPackage (this=0x21d6550, package=0x2a25590) at ../../muon/DetailsWidget.cpp:88
#15 0x00007f7ceff7378a in QMetaObject::activate (sender=sender@entry=0x223b830, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffb9f7c270) at kernel/qobject.cpp:3717
#16 0x00007f7ceff73f87 in QMetaObject::activate (sender=sender@entry=0x223b830, m=m@entry=0x658780 <PackageView::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffb9f7c270) at kernel/qobject.cpp:3582
#17 0x0000000000443b02 in PackageView::currentPackageChanged (this=this@entry=0x223b830, _t1=...) at moc_PackageView.cpp:168
#18 0x0000000000435dff in PackageView::currentChanged (this=0x223b830, current=..., previous=...) at ../../muon/PackageModel/PackageView.cpp:41
#19 0x00007f7ceff7378a in QMetaObject::activate (sender=sender@entry=0x225fcf0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffb9f7c3d0) at kernel/qobject.cpp:3717
#20 0x00007f7ceff73f87 in QMetaObject::activate (sender=sender@entry=0x225fcf0, m=m@entry=0x7f7cf0173120 <QItemSelectionModel::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffb9f7c3d0) at kernel/qobject.cpp:3582
#21 0x00007f7cefef42aa in QItemSelectionModel::currentChanged (this=this@entry=0x225fcf0, _t1=..., _t2=...) at .moc/moc_qitemselectionmodel.cpp:287
#22 0x00007f7cefef450d in QItemSelectionModel::setCurrentIndex (this=this@entry=0x225fcf0, index=..., command=command@entry=...) at itemmodels/qitemselectionmodel.cpp:1324
#23 0x00007f7cf0a6978c in QAbstractItemView::mousePressEvent (this=this@entry=0x223b830, event=event@entry=0x7fffb9f7cc30) at itemviews/qabstractitemview.cpp:1727
#24 0x00007f7cf0aaf977 in QTreeView::mousePressEvent (this=0x223b830, event=0x7fffb9f7cc30) at itemviews/qtreeview.cpp:1904
#25 0x00007f7cf08535cf in QWidget::event (this=this@entry=0x223b830, event=event@entry=0x7fffb9f7cc30) at kernel/qwidget.cpp:8653
#26 0x00007f7cf094d76e in QFrame::event (this=0x223b830, e=0x7fffb9f7cc30) at widgets/qframe.cpp:526
#27 0x00007f7cf0a70a4b in QAbstractItemView::viewportEvent (this=this@entry=0x223b830, event=event@entry=0x7fffb9f7cc30) at itemviews/qabstractitemview.cpp:1689
#28 0x00007f7cf0aaf20c in QTreeView::viewportEvent (this=0x223b830, event=0x7fffb9f7cc30) at itemviews/qtreeview.cpp:1306
#29 0x00007f7ceff42d0c in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x20b13f0, receiver=receiver@entry=0x2251ab0, event=event@entry=0x7fffb9f7cc30) at kernel/qcoreapplication.cpp:1031
#30 0x00007f7cf0810b6c in QApplicationPrivate::notify_helper (this=this@entry=0x20b13f0, receiver=receiver@entry=0x2251ab0, e=e@entry=0x7fffb9f7cc30) at kernel/qapplication.cpp:3716
#31 0x00007f7cf0816c7a in QApplication::notify (this=<optimized out>, receiver=0x2251ab0, e=0x7fffb9f7cc30) at kernel/qapplication.cpp:3280
#32 0x00007f7ceff42f1b in QCoreApplication::notifyInternal (this=0x7fffb9f7d4c0, receiver=receiver@entry=0x2251ab0, event=event@entry=0x7fffb9f7cc30) at kernel/qcoreapplication.cpp:935
#33 0x00007f7cf08156f2 in QCoreApplication::sendSpontaneousEvent (event=0x7fffb9f7cc30, receiver=0x2251ab0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#34 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x2251ab0, event=event@entry=0x7fffb9f7cc30, alienWidget=alienWidget@entry=0x2251ab0, nativeWidget=0x217ea90, buttonDown=buttonDown@entry=0x7f7cf0d36a10 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2751
#35 0x00007f7cf086a440 in QWidgetWindow::handleMouseEvent (this=this@entry=0x24054f0, event=event@entry=0x7fffb9f7d050) at kernel/qwidgetwindow.cpp:543
#36 0x00007f7cf086c78b in QWidgetWindow::event (this=0x24054f0, event=0x7fffb9f7d050) at kernel/qwidgetwindow.cpp:210
#37 0x00007f7cf0810b8c in QApplicationPrivate::notify_helper (this=this@entry=0x20b13f0, receiver=receiver@entry=0x24054f0, e=e@entry=0x7fffb9f7d050) at kernel/qapplication.cpp:3720
#38 0x00007f7cf0816230 in QApplication::notify (this=0x7fffb9f7d4c0, receiver=0x24054f0, e=0x7fffb9f7d050) at kernel/qapplication.cpp:3503
#39 0x00007f7ceff42f1b in QCoreApplication::notifyInternal (this=0x7fffb9f7d4c0, receiver=receiver@entry=0x24054f0, event=event@entry=0x7fffb9f7d050) at kernel/qcoreapplication.cpp:935
#40 0x00007f7cf0265458 in QCoreApplication::sendSpontaneousEvent (event=0x7fffb9f7d050, receiver=0x24054f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#41 QGuiApplicationPrivate::processMouseEvent (e=0x30e0120) at kernel/qguiapplication.cpp:1772
#42 0x00007f7cf0267095 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x30e0120) at kernel/qguiapplication.cpp:1576
#43 0x00007f7cf024c648 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#44 0x00007f7cdfc9e1e0 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#45 0x00007f7ceab54ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f7ceab55250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f7ceab552fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f7ceff9a27f in QEventDispatcherGlib::processEvents (this=0x2108830, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#49 0x00007f7ceff4075a in QEventLoop::exec (this=this@entry=0x7fffb9f7d3d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#50 0x00007f7ceff482cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#51 0x00007f7cf025d09c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#52 0x00007f7cf080d025 in QApplication::exec () at kernel/qapplication.cpp:2956
#53 0x00000000004271c4 in main (argc=1, argv=<optimized out>) at ../../muon/main.cpp:61

Reported using DrKonqi