Bug 400839

Application: systemsettings5 (5.12.6)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-38-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

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

- Custom settings of the application:


小部件风格在QtCurve状态下进行配置出现崩溃
google translate: Widget style crashes when configured in QtCurve state

The crash can be reproduced every time.

-- Backtrace:
Application: 系统设置 (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1193be26c0 (LWP 2104))]

Thread 9 (Thread 0x7f1142df0700 (LWP 9530)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:96
#1  0x00007f118f6310c9 in __GI___libc_read (fd=37, buf=0x7f1142defb90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#2  0x00007f118945ba00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1189416f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f11894173e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f118941754c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f118ff7e90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f118ff239ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f118fd4222a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f118fd4716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f118b7e96db in start_thread (arg=0x7f1142df0700) at pthread_create.c:463
#11 0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f1143fff700 (LWP 9528)):
#0  0x00007f118f6310b4 in __GI___libc_read (fd=35, buf=0x7f1143ffeb90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f118945ba00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1189416f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11894173e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f118941754c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f118ff7e90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f118ff239ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f118fd4222a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f118fd4716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f118b7e96db in start_thread (arg=0x7f1143fff700) at pthread_create.c:463
#10 0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f11498f6700 (LWP 9527)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007f118f635be6 in __GI___poll (fds=0x7f11440020a0, nfds=1, timeout=8219) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007f1189417439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f118941754c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f118ff7e90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f118ff239ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f118fd4222a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f118fd4716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f118b7e96db in start_thread (arg=0x7f11498f6700) at pthread_create.c:463
#9  0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1153bff700 (LWP 9492)):
#0  0x00007f118f6059d0 in __GI___nanosleep (requested_time=0x7f1153bfed90, remaining=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007f118f638877 in usleep (useconds=<optimized out>) at ../sysdeps/posix/usleep.c:32
#2  0x00007f1169d815ef in ?? () from /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#3  0x00007f118b7e96db in start_thread (arg=0x7f1153bff700) at pthread_create.c:463
#4  0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1163c4b700 (LWP 9488)):
#0  0x00007f118f6310b4 in __GI___libc_read (fd=19, buf=0x7f1163c4acd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f118945ba00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1189416f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f11894173e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f11894177d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1164de8f66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f118943ee85 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f118b7e96db in start_thread (arg=0x7f1163c4b700) at pthread_create.c:463
#8  0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f116444c700 (LWP 9487)):
#0  0x00007f1189416b86 in g_main_context_query () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f11894173b7 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f118941754c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1189417591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f118943ee85 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f118b7e96db in start_thread (arg=0x7f116444c700) at pthread_create.c:463
#6  0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f117705f700 (LWP 2111)):
#0  0x00007ffc37335b62 in clock_gettime ()
#1  0x00007f118f651ea6 in __GI___clock_gettime (clock_id=1, tp=0x7f117705eae0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f118ff7e221 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f118ff7ca59 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f118ff7d035 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f118ff7e67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1189416998 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f118941736b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f118941754c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f118ff7e90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f118ff239ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f118fd4222a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f1191888d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007f118fd4716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f118b7e96db in start_thread (arg=0x7f117705f700) at pthread_create.c:463
#15 0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f117ff0e700 (LWP 2108)):
#0  0x00007f118f635bf9 in __GI___poll (fds=0x7f117ff0dca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f118b378747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f118b37a36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f11826a02a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f118fd4716d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f118b7e96db in start_thread (arg=0x7f117ff0e700) at pthread_create.c:463
#6  0x00007f118f64288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1193be26c0 (LWP 2104)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f118f561801 in __GI_abort () at abort.c:79
#8  0x00007f118f99e8b7 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007f118f9a4a06 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007f118f9a4a41 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007f118f9a580f in __cxa_pure_virtual () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007f119078680a in QSurface::supportsOpenGL() const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f11826a7baa in QXcbIntegration::createPlatformWindow(QWindow*) const () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007f119078329e in QWindowPrivate::create(bool, unsigned long long) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f11907834c5 in QWindow::winId() const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f117eea58db in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so
#17 0x00007f117eea5e7d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so
#18 0x00007f11910bf34b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f11910bff08 in QMenuBar::eventFilter(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f118ff2568c in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f1190f35805 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f1190f3d0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f118ff259a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f1190f753ea in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f1190f525ee in QLayout::addChildWidget(QWidget*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f1190f5268f in QLayout::addWidget(QWidget*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f11910a425c in QMdiSubWindow::setWidget(QWidget*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f1191097c83 in QMdiArea::addSubWindow(QWidget*, QFlags<Qt::WindowType>) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f11625aa23d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#30 0x00007f11625b871c in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#31 0x00007f11625b8851 in allocate_kstyle_config () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kstyle_qtcurve5_config.so
#32 0x00007f116282d613 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_style.so
#33 0x00007f118ff546cf in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f1191026b82 in QAbstractButton::clicked(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f1191026d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f119102817a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f119102836d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f1190f74038 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f1190f3582c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f1190f3d64f in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f118ff259a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f1190f3c622 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f1190f8f14b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f1190f917ba in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f1190f3582c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f1190f3d0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f118ff259a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f1190779523 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#49 0x00007f119077aff5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#50 0x00007f11907522eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#51 0x00007f11827031c0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#52 0x00007f1189417287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f11894174c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f118941754c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f118ff7e8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007f118ff239ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f118ff2ca84 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x000055dcd9e97e44 in ?? ()
#59 0x00007f118f542b97 in __libc_start_main (main=0x55dcd9e97a40, argc=3, argv=0x7ffc37324b68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc37324b58) at ../csu/libc-start.c:310
#60 0x000055dcd9e97eca in _start ()

Reported using DrKonqi