Bug 392350

Application: kdeinit5 (5.8.9)

Qt Version: 5.6.1
Frameworks Version: 5.36.0
Operating System: Linux 4.8.0-53-generic x86_64
Distribution: Linux Mint 18.2 Sonya

-- Information about the crash:
- What I was doing when the application crashed:
working with Libreoffice, FireFox open, and ksysguard open to check slowness of web

The crash can be reproduced every time.

-- Backtrace:
Application: Surveillance du système (kdeinit5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
[Current thread is 1 (Thread 0x7f12bffbe780 (LWP 10001))]

Thread 3 (Thread 0x7f129f67d700 (LWP 10003)):
#0  0x00007f12bb0d2910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f12bb0d32bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f12bb0d349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f12bea5c37b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f12bea04ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f12be82d9e4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f12b5580515 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f12be832808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f12bbdfd6ba in start_thread (arg=0x7f129f67d700) at pthread_create.c:333
#9  0x00007f12be4c241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f12a59a7700 (LWP 10002)):
[KCrash Handler]
#6  0x00007f12be3f0428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f12be3f202a in __GI_abort () at abort.c:89
#8  0x00007f12be4327ea in __libc_message (do_abort=2, fmt=fmt@entry=0x7f12be54bed8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f12be43d13e in malloc_printerr (ar_ptr=0x7f12a0000020, ptr=0x7f12a0000087, str=0x7f12be548d3f "malloc(): memory corruption", action=<optimized out>) at malloc.c:5006
#10 _int_malloc (av=av@entry=0x7f12a0000020, bytes=bytes@entry=68) at malloc.c:3474
#11 0x00007f12be43f184 in __GI___libc_malloc (bytes=68) at malloc.c:2913
#12 0x00007f12ba3534c0 in ?? () from /usr/lib/nvidia-384/tls/libnvidia-tls.so.384.111
#13 0x00007f12bf43814c in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#14 0x00007f12bf435ed1 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#15 0x00007f12bf4378d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#16 0x00007f12a852fd29 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007f12be832808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f12bbdfd6ba in start_thread (arg=0x7f12a59a7700) at pthread_create.c:333
#19 0x00007f12be4c241d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f12bffbe780 (LWP 10001)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f12bbdffdbd in __GI___pthread_mutex_lock (mutex=0x21ecb98) at ../nptl/pthread_mutex_lock.c:80
#2  0x00007f12bf4376f2 in xcb_wait_for_reply () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f12bf217205 in NETWinInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#4  0x00007f12bf21a646 in NETWinInfo::NETWinInfo(xcb_connection_t*, unsigned int, unsigned int, QFlags<NET::Property>, QFlags<NET::Property2>, NET::Role) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#5  0x00007f129e1cf7ff in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#6  0x00007f12bf203f04 in KWindowSystem::icon(unsigned long long, int, int, bool, int) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#7  0x00007f12bf203f37 in KWindowSystem::icon(unsigned long long, int, int, bool) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#8  0x00007f12ae4fc523 in ?? () from /usr/lib/x86_64-linux-gnu/libprocessui.so.7
#9  0x00007f12bea33b71 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f12bf21cf30 in KWindowSystem::windowChanged(unsigned long long, unsigned int) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#11 0x00007f129e1cdbdf in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#12 0x00007f12bea0416f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f12a8533ca5 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007f12a8534c06 in QXcbConnection::processXcbEvents() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x00007f12bea34719 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f12bd270afc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f12bd276036 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f12bea072a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f12bea0916a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f12bea5bf53 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f12bb0d3197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f12bb0d33f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f12bb0d349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f12bea5c37b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f12bea04ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f12bea0d6bc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f12ae791b54 in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_ksysguard.so
#28 0x0000000000408579 in ?? ()
#29 0x0000000000409b39 in ?? ()
#30 0x000000000040a1d7 in ?? ()
#31 0x0000000000404e74 in ?? ()
#32 0x00007f12be3db830 in __libc_start_main (main=0x404560, argc=1, argv=0x7ffdcafae358, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdcafae348) at ../csu/libc-start.c:291
#33 0x0000000000405bd9 in _start ()

Possible duplicates by query: bug 387393, bug 381268, bug 375933.

Reported using DrKonqi