Bug 390863

Summary: Kdevelop crashed after deleted a few code lines [QRegion::copy]
Product: [Applications] kdevelop Reporter: Angel <angelbravo>
Component: generalAssignee: kdevelop-bugs-null
Status: RESOLVED UPSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.2.1   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Angel 2018-02-21 19:27:00 UTC 
Application: kdevelop (5.2.1)

Qt Version: 5.9.3
Frameworks Version: 5.43.0
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: KDE neon User Edition 5.12

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

After some debugging sessions, I just deleted and moved some code on the editor inside the same code file.

The crash does not seem to be reproducible.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6a3c0be900 (LWP 16370))]

Thread 21 (Thread 0x7f69aeffd700 (LWP 16495)):
#0  0x00007f6a3881c74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6a2f86538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a391436cb in QEventDispatcherGlib::processEvents (this=0x7f69a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7f69aeffcca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f6a38f148f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f69d93c82c5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x2b48ff0) at thread/qthread_unix.cpp:368
#8  0x00007f6a320866ba in start_thread (arg=0x7f69aeffd700) at pthread_create.c:333
#9  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f69af7fe700 (LWP 16492)):
#0  timerSourcePrepareHelper (timeout=0x7f69af7fdaf4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:135
#1  timerSourcePrepare (source=<optimized out>, timeout=0x7f69af7fdaf4) at kernel/qeventdispatcher_glib.cpp:165
#2  0x00007f6a2f86491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a2f8652bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6a391436cb in QEventDispatcherGlib::processEvents (this=0x7f69a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7f69af7fdcc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f6a38f148f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#8  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x7f6a26e636b8) at thread/qthread_unix.cpp:368
#9  0x00007f6a320866ba in start_thread (arg=0x7f69af7fe700) at pthread_create.c:333
#10 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f69d27fc700 (LWP 16472)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a38f1a65b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1107d80) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1107e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f6a2de8980f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f6a2de8d8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f6a2de8b460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x7f69c4002d90) at thread/qthread_unix.cpp:368
#10 0x00007f6a320866ba in start_thread (arg=0x7f69d27fc700) at pthread_create.c:333
#11 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f69d2ffd700 (LWP 16471)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a38f1a65b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1107d80) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1107e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f6a2de8980f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f6a2de8d8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f6a2de8b460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f6a38f19709 in QThreadPrivate::start (arg=0x7f69c0002d90) at thread/qthread_unix.cpp:368
#12 0x00007f6a320866ba in start_thread (arg=0x7f69d2ffd700) at pthread_create.c:333
#13 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f69d37fe700 (LWP 16470)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a38f1a65b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1107d80) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1107e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f6a2de8980f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f6a2de8d8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f6a2de8b460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f6a38f19709 in QThreadPrivate::start (arg=0x7f69c8003190) at thread/qthread_unix.cpp:368
#14 0x00007f6a320866ba in start_thread (arg=0x7f69d37fe700) at pthread_create.c:333
#15 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f69d3fff700 (LWP 16469)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a38f1a65b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1107d80) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1107e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f6a2de8980f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f6a2de8d8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f6a2de8b460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x7f69cc002d90) at thread/qthread_unix.cpp:368
#8  0x00007f6a320866ba in start_thread (arg=0x7f69d3fff700) at pthread_create.c:333
#9  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f69d8b9c700 (LWP 16468)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a38f1a65b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1107d80) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1107e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f6a2de8980f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007f6a2de8d8e8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007f6a2de8d942 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007f6a2de889ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007f6a2de8b460 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007f6a38f19709 in QThreadPrivate::start (arg=0x16b1390) at thread/qthread_unix.cpp:368
#16 0x00007f6a320866ba in start_thread (arg=0x7f69d8b9c700) at pthread_create.c:333
#17 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f69dbadb700 (LWP 16388)):
#0  0x00007f6a3881c74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6a2f86538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a391436cb in QEventDispatcherGlib::processEvents (this=0x7f69d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7f69dbadabf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f6a38f148f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f6a36a5010b in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#7  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x1667d50) at thread/qthread_unix.cpp:368
#8  0x00007f6a320866ba in start_thread (arg=0x7f69dbadb700) at pthread_create.c:333
#9  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f69e57a1700 (LWP 16384)):
#0  0x00007f6a3881c74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6a2f86538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a391436cb in QEventDispatcherGlib::processEvents (this=0x7f69e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7f69e57a0ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f6a38f148f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f6a31b0cd25 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x12c7c00) at thread/qthread_unix.cpp:368
#8  0x00007f6a320866ba in start_thread (arg=0x7f69e57a1700) at pthread_create.c:333
#9  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f69e7766700 (LWP 16383)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a38b9e91c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#2  0x00007f69ebbaa8de in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#3  0x00007f69ebbaa9f9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#4  0x00007f6a38ba3c80 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007f6a320866ba in start_thread (arg=0x7f69e7766700) at pthread_create.c:333
#6  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f69f91b7700 (LWP 16382)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f6a387a12bd in _int_free (av=0x7f6a38ae5b20 <main_arena>, p=0x42cebb0, have_lock=0) at malloc.c:3962
#2  0x00007f6a387a553c in __GI___libc_free (mem=<optimized out>) at malloc.c:2968
#3  0x00007f6a38f6824f in QHashData::free_helper (this=0x415d5c0, node_delete=<optimized out>) at tools/qhash.cpp:604
#4  0x00007f6a369e319a in KDevelop::PersistentSymbolTable::clearCache() () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#5  0x00007f6a3695141d in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#6  0x00007f6a3911a5a6 in QtPrivate::QSlotObjectBase::call (a=0x7f69f91b6710, r=0x7f69f91b6cc0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#7  QMetaObject::activate (sender=sender@entry=0x7f69f91b6cc0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7f69f91b6710) at kernel/qobject.cpp:3749
#8  0x00007f6a3911ab87 in QMetaObject::activate (sender=sender@entry=0x7f69f91b6cc0, m=m@entry=0x7f6a395a4ea0 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7f69f91b6710) at kernel/qobject.cpp:3628
#9  0x00007f6a39126b07 in QTimer::timeout (this=this@entry=0x7f69f91b6cc0, _t1=...) at .moc/moc_qtimer.cpp:200
#10 0x00007f6a39126e08 in QTimer::timerEvent (this=0x7f69f91b6cc0, e=<optimized out>) at kernel/qtimer.cpp:255
#11 0x00007f6a3911b273 in QObject::event (this=0x7f69f91b6cc0, e=<optimized out>) at kernel/qobject.cpp:1268
#12 0x00007f6a39e4bb9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7f69f91b6cc0, e=0x7f69f91b6a00) at kernel/qapplication.cpp:3722
#13 0x00007f6a39e535a7 in QApplication::notify (this=0x7ffc77adf560, receiver=0x7f69f91b6cc0, e=0x7f69f91b6a00) at kernel/qapplication.cpp:3481
#14 0x00007f6a390eddf8 in QCoreApplication::notifyInternal2 (receiver=0x7f69f91b6cc0, event=event@entry=0x7f69f91b6a00) at kernel/qcoreapplication.cpp:1018
#15 0x00007f6a39142a7e in QCoreApplication::sendEvent (event=0x7f69f91b6a00, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#16 QTimerInfoList::activateTimers (this=0x7f69f0002cd0) at kernel/qtimerinfo_unix.cpp:643
#17 0x00007f6a39143339 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#18 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:229
#19 0x00007f6a2f865197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f6a2f8653f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f6a391436cb in QEventDispatcherGlib::processEvents (this=0x7f69f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#23 0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7f69f91b6c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#24 0x00007f6a38f148f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#25 0x00007f6a369508e9 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.52
#26 0x00007f6a38f19709 in QThreadPrivate::start (arg=0x11d3d20) at thread/qthread_unix.cpp:368
#27 0x00007f6a320866ba in start_thread (arg=0x7f69f91b7700) at pthread_create.c:333
#28 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f6a02b4a700 (LWP 16381)):
#0  0x00007f6a3881827d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6a2f8a86f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a2f864e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a2f865330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6a391436cb in QEventDispatcherGlib::processEvents (this=0x7f69f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7f6a02b49c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f6a38f148f4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#8  0x00007f6a3ae43315 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f6a38f19709 in QThreadPrivate::start (arg=0x7f6a3b0b7d40) at thread/qthread_unix.cpp:368
#10 0x00007f6a320866ba in start_thread (arg=0x7f6a02b4a700) at pthread_create.c:333
#11 0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f6a037e3700 (LWP 16380)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a037e3700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f6a03fe4700 (LWP 16379)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a03fe4700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f6a047e5700 (LWP 16378)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a047e5700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f6a04fe6700 (LWP 16377)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a04fe6700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f6a057e7700 (LWP 16376)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a057e7700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6a05fe8700 (LWP 16375)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a05fe8700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6a06a21700 (LWP 16374)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a06a21700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6a0798a700 (LWP 16373)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6a1039748b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007f6a10397397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007f6a320866ba in start_thread (arg=0x7f6a0798a700) at pthread_create.c:333
#4  0x00007f6a3882841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6a3c0be900 (LWP 16370)):
[KCrash Handler]
#6  0x00007f6a38756428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f6a3875802a in __GI_abort () at abort.c:89
#8  0x00007f6a387987ea in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f6a388b1ed8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f6a387a3651 in malloc_printerr (ar_ptr=0x7ffc77ade480, ptr=0x2dd4140, str=0x7f6a388b2308 "malloc(): smallbin double linked list corrupted", action=3) at malloc.c:5006
#10 _int_malloc (av=av@entry=0x7f6a38ae5b20 <main_arena>, bytes=bytes@entry=16) at malloc.c:3386
#11 0x00007f6a387a5184 in __GI___libc_malloc (bytes=16) at malloc.c:2913
#12 0x00007f6a38b78e78 in operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#13 0x00007f6a3994fa9f in QRegion::copy (this=this@entry=0x7ffc77ade670) at painting/qregion.cpp:4018
#14 0x00007f6a3994fcbe in QRegion::detach (this=0x7ffc77ade670) at painting/qregion.cpp:260
#15 0x00007f6a399513d7 in QRegion::translate (this=0x7ffc77ade670, dx=446, dy=68) at painting/qregion.cpp:4057
#16 0x00007f6a399514fe in QRegion::translated (this=this@entry=0x7ffc77ade600, dx=446, dy=68) at painting/qregion.cpp:699
#17 0x00007f6a39e84733 in QRegion::translated (p=..., this=0x7ffc77ade600) at ../../include/QtGui/../../src/gui/painting/qregion.h:103
#18 QWidgetPrivate::drawWidget (this=this@entry=0xe6c9d0, pdev=pdev@entry=0x11bce70, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=0x1140ce0) at kernel/qwidget.cpp:5612
#19 0x00007f6a39e84dfc in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xdd7660, pdev=pdev@entry=0x11bce70, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1140ce0) at kernel/qwidget.cpp:5858
#20 0x00007f6a39e83c71 in QWidgetPrivate::drawWidget (this=0xdd7660, pdev=0x11bce70, rgn=..., offset=..., flags=flags@entry=5, sharedPainter=sharedPainter@entry=0x0, backingStore=0x1140ce0) at kernel/qwidget.cpp:5715
#21 0x00007f6a39e5bab0 in QWidgetBackingStore::doSync (this=this@entry=0x1140ce0) at kernel/qwidgetbackingstore.cpp:1381
#22 0x00007f6a39e5bc88 in QWidgetBackingStore::sync (this=0x1140ce0) at kernel/qwidgetbackingstore.cpp:1162
#23 0x00007f6a39e72eaf in QWidgetPrivate::syncBackingStore (this=0xdd7660) at kernel/qwidget.cpp:1981
#24 0x00007f6a39e8ad18 in QWidget::event (this=this@entry=0xdd73a0, event=event@entry=0x48beb10) at kernel/qwidget.cpp:9139
#25 0x00007f6a39fa281b in QMainWindow::event (this=0xdd73a0, event=0x48beb10) at widgets/qmainwindow.cpp:1563
#26 0x00007f6a350752f7 in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#27 0x00007f6a350b98e5 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#28 0x00007f6a39e4bb9c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0xdd73a0, e=0x48beb10) at kernel/qapplication.cpp:3722
#29 0x00007f6a39e535a7 in QApplication::notify (this=0x7ffc77adf560, receiver=0xdd73a0, e=0x48beb10) at kernel/qapplication.cpp:3481
#30 0x00007f6a390eddf8 in QCoreApplication::notifyInternal2 (receiver=0xdd73a0, event=event@entry=0x48beb10) at kernel/qcoreapplication.cpp:1018
#31 0x00007f6a390f05db in QCoreApplication::sendEvent (event=0x48beb10, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xb710b0) at kernel/qcoreapplication.cpp:1678
#33 0x00007f6a390f0a48 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1532
#34 0x00007f6a391440a3 in postEventSourceDispatch (s=0xbd2400) at kernel/qeventdispatcher_glib.cpp:276
#35 0x00007f6a2f865197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6a2f8653f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f6a2f86549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f6a391436af in QEventDispatcherGlib::processEvents (this=0xbd07f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#39 0x00007f6a390ebe2a in QEventLoop::exec (this=this@entry=0x7ffc77adf350, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#40 0x00007f6a390f4d64 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#41 0x000000000040bdef in ?? ()
#42 0x00007f6a38741830 in __libc_start_main (main=0x406100, argc=1, argv=0x7ffc77adf7b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc77adf7a8) at ../csu/libc-start.c:291
#43 0x000000000040c969 in _start ()

Possible duplicates by query: bug 387393, bug 384828, bug 382096, bug 381268, bug 375933.

Reported using DrKonqi
Comment 1 Kevin Funk 2018-04-05 05:54:35 UTC 
Crash deep inside the Qt stack (no KDevelop code involved); I'm afraid there's nothing we can do about this.