Bug 403957

Application: konsole (18.04.0)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.0-1-amd64 x86_64
Distribution: Debian GNU/Linux buster/sid

-- Information about the crash:
I tried to paste something using the middle mouse button. Then konsole crashed.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f999612c840 (LWP 12293))]

Thread 4 (Thread 0x7f998d0fe700 (LWP 12297)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55d8ea1625c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55d8ea162578, cond=0x55d8ea1625a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55d8ea1625a0, mutex=0x55d8ea162578) at pthread_cond_wait.c:655
#3  0x00007f998d701a32 in cnd_wait (mtx=0x55d8ea162578, cond=0x55d8ea1625a0) at ../src/../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55d8ea266540) at ../src/util/u_queue.c:270
#5  0x00007f998d7015f7 in impl_thrd_routine (p=<optimized out>) at ../src/../include/c11/threads_posix.h:87
#6  0x00007f999b4bdfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f999e3517ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f998f889700 (LWP 12296)):
#0  __GI___libc_read (nbytes=16, buf=0x7f998f888b10, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=buf@entry=0x7f998f888b10, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f999aad5950 in read (__nbytes=16, __buf=0x7f998f888b10, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  g_wakeup_acknowledge (wakeup=0x55d8ea15b0b0) at ../../../glib/gwakeup.c:210
#4  0x00007f999aa8faef in g_main_context_check (context=context@entry=0x7f9988000bf0, max_priority=2147483647, fds=fds@entry=0x7f9988004db0, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3698
#5  0x00007f999aa8ffc0 in g_main_context_iterate (context=context@entry=0x7f9988000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3917
#6  0x00007f999aa9013c in g_main_context_iteration (context=0x7f9988000bf0, may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
#7  0x00007f999ca2f16b in QEventDispatcherGlib::processEvents (this=0x7f9988000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f999c9dc14b in QEventLoop::exec (this=this@entry=0x7f998f888d30, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#9  0x00007f999c82b106 in QThread::exec (this=this@entry=0x7f999c14dd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#10 0x00007f999c0d3545 in QDBusConnectionManager::run (this=0x7f999c14dd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#11 0x00007f999c834cd7 in QThreadPrivate::start (arg=0x7f999c14dd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:367
#12 0x00007f999b4bdfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#13 0x00007f999e3517ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f999531b700 (LWP 12295)):
#0  0x00007f999e346b39 in __GI___poll (fds=fds@entry=0x7f999531ac78, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f999b6e6cf7 in poll (__timeout=-1, __nfds=1, __fds=0x7f999531ac78) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x55d8ea122d50, cond=cond@entry=0x55d8ea122d90, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007f999b6e891a in xcb_wait_for_event (c=0x55d8ea122d50) at ../../src/xcb_in.c:697
#4  0x00007f9995c84519 in QXcbEventReader::run (this=0x55d8ea12d110) at qxcbconnection.h:409
#5  0x00007f999c834cd7 in QThreadPrivate::start (arg=0x55d8ea12d110) at thread/qthread_unix.cpp:367
#6  0x00007f999b4bdfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f999e3517ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f999612c840 (LWP 12293)):
[KCrash Handler]
#6  QWeakPointer<QObject>::data (this=0x50) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:565
#7  QPointer<Konsole::Session>::data (this=0x50) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:86
#8  QPointer<Konsole::Session>::operator Konsole::Session* (this=0x50) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:92
#9  Konsole::SessionController::isReadOnly (this=0x18) at ./src/SessionController.cpp:1579
#10 0x00007f999dff67f7 in Konsole::Vt102Emulation::sendKeyEvent (this=0x55d8eaaedf60, event=0x7ffc9150eb20) at ./src/Vt102Emulation.cpp:1049
#11 0x00007f999ca06820 in QtPrivate::QSlotObjectBase::call (a=0x7ffc9150eaa0, r=0x55d8eaaedf60, this=0x55d8eabfbe80) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#12 QMetaObject::activate (sender=0x55d8ebbf6e90, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3754
#13 0x00007f999e00139f in Konsole::TerminalDisplay::keyPressedSignal (this=this@entry=0x55d8ebbf6e90, _t1=<optimized out>, _t1@entry=0x7ffc9150eb20) at ./obj-x86_64-linux-gnu/src/konsoleprivate_autogen/EWIEGA46WW/moc_TerminalDisplay.cpp:396
#14 0x00007f999dfe0a44 in Konsole::TerminalDisplay::doPaste (this=0x55d8ebbf6e90, text=..., appendReturn=<optimized out>) at ./src/TerminalDisplay.cpp:3185
#15 0x00007f999dfe0e51 in Konsole::TerminalDisplay::pasteFromX11Selection (this=0x55d8ebbf6e90, appendEnter=<optimized out>) at ./src/TerminalDisplay.cpp:3263
#16 0x00007f999dfe0ffb in Konsole::TerminalDisplay::processMidButtonClick (this=0x55d8ebbf6e90, ev=<optimized out>) at ./src/TerminalDisplay.cpp:2610
#17 0x00007f999dfe14fb in Konsole::TerminalDisplay::mousePressEvent (this=0x55d8ebbf6e90, ev=0x7ffc9150f0e0) at ./src/TerminalDisplay.cpp:2184
#18 0x00007f999d43227f in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f999dfe1f7a in Konsole::TerminalDisplay::event (this=0x55d8ebbf6e90, event=0x7ffc9150f0e0) at ./src/TerminalDisplay.cpp:3559
#20 0x00007f999d3f3491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f999d3fad18 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f999c9dd479 in QCoreApplication::notifyInternal2 (receiver=0x55d8ebbf6e90, event=0x7ffc9150f0e0) at ../../include/QtCore/5.11.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:307
#23 0x00007f999d3fa019 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f999d44c304 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f999d44ee8e in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f999d3f3491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f999d3faad0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f999c9dd479 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x55d8ea452910, event=event@entry=0x7ffc9150f4e0) at ../../include/QtCore/5.11.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:307
#29 0x00007f999ce24b1b in QCoreApplication::sendSpontaneousEvent (event=0x7ffc9150f4e0, receiver=0x55d8ea452910) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#30 QGuiApplicationPrivate::processMouseEvent (e=0x55d8eabd2670) at kernel/qguiapplication.cpp:2082
#31 0x00007f999ce26a15 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55d8eabd2670) at kernel/qguiapplication.cpp:1817
#32 0x00007f999ce00d7b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:1032
#33 0x00007f9995d1786b in QPAEventDispatcherGlib::processEvents (this=0x55d8ea158450, flags=...) at qeventdispatcher_glib.cpp:70
#34 0x00007f999c9dc14b in QEventLoop::exec (this=this@entry=0x7ffc9150f760, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#35 0x00007f999c9e42c2 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#36 0x00007f999e441827 in kdemain () from /lib/x86_64-linux-gnu/libkdeinit5_konsole.so
#37 0x00007f999e27c09b in __libc_start_main (main=0x55d8e9a3f730, argc=1, argv=0x7ffc9150fa18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc9150fa08) at ../csu/libc-start.c:308
#38 0x000055d8e9a3f76a in _start ()
[Inferior 1 (process 12293) detached]

Possible duplicates by query: bug 393414.

Reported using DrKonqi