https://bugs.kde.org/show_bug.cgi?id=437862
Bug ID: 437862
Summary: Plasma System Monitor segfaults when viewing processes
tab
Product: plasma-systemmonitor
Version: 5.21.5
Platform: Neon Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: ksysguard-b...@kde.org
Reporter: kdeb...@alekeagle.com
CC: ahiems...@heimr.nl, plasma-b...@kde.org
Target Milestone: ---
Application: plasma-systemmonitor (5.21.5)
Qt Version: 5.15.2
Frameworks Version: 5.82.0
Operating System: Linux 5.8.0-53-generic x86_64
Windowing System: X11
Drkonqi Version: 5.21.5
Distribution: KDE neon User Edition 5.21
-- Information about the crash:
- What I was doing when the application crashed:
Whenever viewing the processes page in the system monitor, periodically when a
process is removed from the list it will crash with segfault 11. This also
occurs on my laptop using KDE neon User Edition 5.2.1. For the most part it's
random but the crash will only occur when viewing the processes page.
The crash can be reproduced every time.
-- Backtrace:
Application: System Monitor (plasma-systemmonitor), signal: Segmentation fault
[New LWP 100076]
[New LWP 100080]
[New LWP 100081]
[New LWP 100092]
[New LWP 100094]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f76e1c56aff in __GI___poll (fds=0x7ffef25bd668, nfds=1, timeout=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f76de8fb340 (LWP 100075))]
Thread 6 (Thread 0x7f76c5c3e700 (LWP 100094)):
#0 0x00007f76e1c5912b in __GI___select (nfds=41, readfds=0x7f76c5c3dd20,
writefds=0x0, exceptfds=0x0, timeout=0x7f76c5c3dd10) at
../sysdeps/unix/sysv/linux/select.c:41
#1 0x00007f76cee69991 in ?? () from
/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.80
#2 0x00007f76cee6747a in ?? () from
/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.80
#3 0x00007f76e1955609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#4 0x00007f76e1c63293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f76c67fc700 (LWP 100092)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558f9a386be4) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558f9a386b90,
cond=0x558f9a386bb8) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x558f9a386bb8, mutex=0x558f9a386b90) at
pthread_cond_wait.c:638
#3 0x00007f76e1fe7d5b in QWaitConditionPrivate::wait (deadline=...,
this=0x558f9a386b90) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait (this=<optimized out>, mutex=0x558f9a38fbb0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5 0x00007f76dc714814 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f76dc714c89 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f76e1fe1bec in QThreadPrivate::start (arg=0x558f9a38fb10) at
thread/qthread_unix.cpp:329
#8 0x00007f76e1955609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f76e1c63293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f76d69d6700 (LWP 100081)):
#0 0x00007f76e0bae4dd in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f76e0b61354 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f76e0b614a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f76e2221ffb in QEventDispatcherGlib::processEvents
(this=0x7f76c8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f76e21c61eb in QEventLoop::exec (this=this@entry=0x7f76d69d5d40,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5 0x00007f76e1fe0a52 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6 0x00007f76e3897fa9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f76e1fe1bec in QThreadPrivate::start (arg=0x558f99cfeb20) at
thread/qthread_unix.cpp:329
#8 0x00007f76e1955609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f76e1c63293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f76d7be7700 (LWP 100080)):
#0 0x00007f76e0b5f25d in g_source_ref () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f76e0b5f328 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f76e0b6082b in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f76e0b6129b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f76e0b614a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f76e2221ffb in QEventDispatcherGlib::processEvents
(this=0x7f76d0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6 0x00007f76e21c61eb in QEventLoop::exec (this=this@entry=0x7f76d7be6d30,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007f76e1fe0a52 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007f76e2483f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#9 0x00007f76e1fe1bec in QThreadPrivate::start (arg=0x7f76e2507d80) at
thread/qthread_unix.cpp:329
#10 0x00007f76e1955609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f76e1c63293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f76ddc75700 (LWP 100076)):
#0 0x00007f76e1c56aff in __GI___poll (fds=0x7f76ddc74c68, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f76e092bc1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f76e092d90a in xcb_wait_for_event () from
/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f76de253d58 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f76e1fe1bec in QThreadPrivate::start (arg=0x558f99ac94e0) at
thread/qthread_unix.cpp:329
#5 0x00007f76e1955609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6 0x00007f76e1c63293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f76de8fb340 (LWP 100075)):
[KCrash Handler]
#4 0x00007f76e2197f5d in QSortFilterProxyModel::parent (this=0x558f9bb752f0,
child=...) at itemmodels/qsortfilterproxymodel.cpp:2175
#5 0x00007f76e2198045 in QSortFilterProxyModel::parent (this=<optimized out>,
child=...) at
../../include/QtCore/../../src/corelib/itemmodels/qabstractitemmodel.h:60
#6 0x00007f76d4db3ceb in QModelIndex::parent (this=0x7ffef25bdf80) at
./src/core/kdescendantsproxymodel.cpp:582
#7 KDescendantsProxyModel::mapFromSource (this=0x558f9bd43140,
sourceIndex=...) at ./src/core/kdescendantsproxymodel.cpp:586
#8 0x00007f76d4db43be in KDescendantsProxyModelPrivate::sourceDataChanged
(this=<optimized out>, topLeft=..., bottomRight=...) at
./src/core/kdescendantsproxymodel.cpp:1285
#9 0x00007f76d4db8f1c in KDescendantsProxyModel::qt_static_metacall
(_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized
out>) at ./src/core/kdescendantsproxymodel.h:252
#10 0x00007f76e21fe730 in doActivate<false> (sender=0x558f9bb752f0,
signal_index=3, argv=0x7ffef25be200) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#11 0x00007f76e21f7ac7 in QMetaObject::activate
(sender=sender@entry=0x558f9bb752f0, m=m@entry=0x7f76e2460020
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef25be200)
at kernel/qobject.cpp:3946
#12 0x00007f76e2169819 in QAbstractItemModel::dataChanged
(this=this@entry=0x558f9bb752f0, _t1=..., _t2=..., _t3=...) at
.moc/moc_qabstractitemmodel.cpp:557
#13 0x00007f76e219ee7d in QSortFilterProxyModelPrivate::_q_sourceDataChanged
(this=0x558f9bd434d0, source_top_left=..., source_bottom_right=..., roles=...)
at itemmodels/qsortfilterproxymodel.cpp:1500
#14 0x00007f76e219ff2a in QSortFilterProxyModel::qt_static_metacall
(_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized
out>) at itemmodels/qsortfilterproxymodel.h:199
#15 0x00007f76e21fe730 in doActivate<false> (sender=0x558f9bd43ec0,
signal_index=3, argv=0x7ffef25be4f0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#16 0x00007f76e21f7ac7 in QMetaObject::activate
(sender=sender@entry=0x558f9bd43ec0, m=m@entry=0x7f76e2460020
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef25be4f0)
at kernel/qobject.cpp:3946
#17 0x00007f76e2169819 in QAbstractItemModel::dataChanged
(this=this@entry=0x558f9bd43ec0, _t1=..., _t2=..., _t3=...) at
.moc/moc_qabstractitemmodel.cpp:557
#18 0x00007f76e21909d1 in QIdentityProxyModelPrivate::_q_sourceDataChanged
(this=<optimized out>, topLeft=..., bottomRight=..., roles=...) at
../../include/QtCore/../../src/corelib/itemmodels/qabstractitemmodel.h:60
#19 0x00007f76e21921c6 in QIdentityProxyModel::qt_static_metacall
(_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>,
_o=<optimized out>) at itemmodels/qidentityproxymodel.h:87
#20 QIdentityProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized
out>, _id=<optimized out>, _a=<optimized out>) at
.moc/moc_qidentityproxymodel.cpp:146
#21 0x00007f76e21fe730 in doActivate<false> (sender=0x558f9bd445b0,
signal_index=3, argv=0x7ffef25be6e0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#22 0x00007f76e21f7ac7 in QMetaObject::activate
(sender=sender@entry=0x558f9bd445b0, m=m@entry=0x7f76e2460020
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef25be6e0)
at kernel/qobject.cpp:3946
#23 0x00007f76e2169819 in QAbstractItemModel::dataChanged
(this=this@entry=0x558f9bd445b0, _t1=..., _t2=..., _t3=...) at
.moc/moc_qabstractitemmodel.cpp:557
#24 0x00007f76e21909d1 in QIdentityProxyModelPrivate::_q_sourceDataChanged
(this=<optimized out>, topLeft=..., bottomRight=..., roles=...) at
../../include/QtCore/../../src/corelib/itemmodels/qabstractitemmodel.h:60
#25 0x00007f76e21921c6 in QIdentityProxyModel::qt_static_metacall
(_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>,
_o=<optimized out>) at itemmodels/qidentityproxymodel.h:87
#26 QIdentityProxyModel::qt_static_metacall (_o=<optimized out>, _c=<optimized
out>, _id=<optimized out>, _a=<optimized out>) at
.moc/moc_qidentityproxymodel.cpp:146
#27 0x00007f76e21fe730 in doActivate<false> (sender=0x558f9bd44d50,
signal_index=3, argv=0x7ffef25be8d0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#28 0x00007f76e21f7ac7 in QMetaObject::activate (sender=<optimized out>,
m=m@entry=0x7f76e2460020 <QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef25be8d0)
at kernel/qobject.cpp:3946
#29 0x00007f76e2169819 in QAbstractItemModel::dataChanged (this=<optimized
out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:557
#30 0x00007f76c5f7438b in ?? () from /lib/x86_64-linux-gnu/libprocesscore.so.9
#31 0x00007f76e21fe6fe in QtPrivate::QSlotObjectBase::call (a=0x7ffef25bea50,
r=0x558f9bd44d50, this=0x558f9bf1c440) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#32 doActivate<false> (sender=0x558f9bd4f5f0, signal_index=3,
argv=0x7ffef25bea50) at kernel/qobject.cpp:3886
#33 0x00007f76c5f4f513 in
KSysGuard::ProcessAttribute::dataChanged(KSysGuard::Process*) () from
/lib/x86_64-linux-gnu/libprocesscore.so.9
#34 0x00007f76e21fe6fe in QtPrivate::QSlotObjectBase::call (a=0x7ffef25beb70,
r=0x558f9bd4f5f0, this=0x558f9b487970) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#35 doActivate<false> (sender=0x558f9bd44e90, signal_index=3,
argv=0x7ffef25beb70) at kernel/qobject.cpp:3886
#36 0x00007f76c5f4f711 in
KSysGuard::Processes::processChanged(KSysGuard::Process*, bool) () from
/lib/x86_64-linux-gnu/libprocesscore.so.9
#37 0x00007f76c5f61b87 in
KSysGuard::Processes::updateProcess(KSysGuard::Process*, long) () from
/lib/x86_64-linux-gnu/libprocesscore.so.9
#38 0x00007f76c5f61c96 in KSysGuard::Processes::updateOrAddProcess(long) ()
from /lib/x86_64-linux-gnu/libprocesscore.so.9
#39 0x00007f76c5f6214e in KSysGuard::Processes::processesUpdated() () from
/lib/x86_64-linux-gnu/libprocesscore.so.9
#40 0x00007f76e21fe6fe in QtPrivate::QSlotObjectBase::call (a=0x7ffef25bed40,
r=0x558f9bd44e90, this=0x558f9bd4d390) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#41 doActivate<false> (sender=0x558f9bd451d0, signal_index=3,
argv=0x7ffef25bed40) at kernel/qobject.cpp:3886
#42 0x00007f76e21fe6fe in QtPrivate::QSlotObjectBase::call (a=0x7ffef25bee80,
r=0x558f9bd44d50, this=0x558f9b477260) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#43 doActivate<false> (sender=0x558f9bd55300, signal_index=3,
argv=0x7ffef25bee80) at kernel/qobject.cpp:3886
#44 0x00007f76e21f7ac7 in QMetaObject::activate (sender=<optimized out>,
m=m@entry=0x7f76e2461c80 <QTimer::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef25bee80)
at kernel/qobject.cpp:3946
#45 0x00007f76e220322e in QTimer::timeout (this=<optimized out>, _t1=...) at
.moc/moc_qtimer.cpp:205
#46 0x00007f76e21f5195 in QObject::event (this=0x558f9bd55300,
e=0x7ffef25bf1b0) at kernel/qobject.cpp:1336
#47 0x00007f76e2d3edc3 in QApplicationPrivate::notify_helper
(this=this@entry=0x558f99ac49b0, receiver=receiver@entry=0x558f9bd55300,
e=e@entry=0x7ffef25bf1b0) at kernel/qapplication.cpp:3632
#48 0x00007f76e2d47bb8 in QApplication::notify (this=0x7ffef25bf4d0,
receiver=0x558f9bd55300, e=0x7ffef25bf1b0) at kernel/qapplication.cpp:3156
#49 0x00007f76e21c76da in QCoreApplication::notifyInternal2
(receiver=0x558f9bd55300, event=0x7ffef25bf1b0) at
../../include/QtCore/5.15.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#50 0x00007f76e2221330 in QTimerInfoList::activateTimers (this=0x558f99c5b6f0)
at kernel/qtimerinfo_unix.cpp:643
#51 0x00007f76e2221c64 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:183
#52 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:230
#53 0x00007f76e0b6117d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f76e0b61400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f76e0b614a3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007f76e2221fe2 in QEventDispatcherGlib::processEvents
(this=0x558f99c5b430, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#57 0x00007f76e21c61eb in QEventLoop::exec (this=this@entry=0x7ffef25bf3f0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#58 0x00007f76e21ce394 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#59 0x0000558f9994d05d in main (argc=<optimized out>, argv=<optimized out>) at
./src/main.cpp:133
[Inferior 1 (process 100075) detached]
Possible duplicates by query: bug 323748, bug 323642, bug 307631, bug 290586,
bug 289802.
Reported using DrKonqi
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