[kmail2] [Bug 427792] New: Crash on exit

Allan Sandfeld bugzilla_noreply at kde.org
Fri Oct 16 09:20:05 BST 2020


https://bugs.kde.org/show_bug.cgi?id=427792

            Bug ID: 427792
           Summary: Crash on exit
           Product: kmail2
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kde at carewolf.com
  Target Milestone: ---

Application: kmail (5.15.3 (20.08.3))
 (Compiled from sources)
Qt Version: 5.15.1
Frameworks Version: 5.76.0
Operating System: Linux 5.4.0-47-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

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

Exiting the application.

It looks like a config callback is trying to update some widgets, while the
application is deleting itself. Should probably have detached those signal
before.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Content of s_kcrashErrorMessage: (null)
[New LWP 158289]
[New LWP 158290]
[New LWP 158291]
[New LWP 158292]
[New LWP 158293]
[New LWP 158321]
[New LWP 158323]
[New LWP 158329]
[New LWP 158330]
[New LWP 158331]
[New LWP 158332]
[New LWP 158333]
[New LWP 158334]
[New LWP 158352]
[New LWP 158364]
[New LWP 158376]
[New LWP 158380]
[New LWP 186893]
[New LWP 188499]
[New LWP 188582]
[New LWP 188583]
[New LWP 188584]
[New LWP 188585]
[New LWP 188587]
[New LWP 188588]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007ff40dbf396f in __GI___poll (fds=fds at entry=0x7ffc911716f8,
nfds=nfds at entry=1, timeout=timeout at entry=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7ff3fe8221c0 (LWP 158287))]

Thread 26 (Thread 0x7ff3e4db5700 (LWP 188588)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff3e4db4150, clockid=<optimized out>, expected=0,
futex_word=0x7ff3e4db42e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff3e4db4150, clockid=<optimized
out>, mutex=0x7ff3e4db4298, cond=0x7ff3e4db42c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7ff3e4db42c0, mutex=0x7ff3e4db4298,
abstime=0x7ff3e4db4150) at pthread_cond_wait.c:656
#3  0x00007ff4120eefc2 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:127
#4  0x00007ff4120f01bf in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:213
#5  0x00007ff41209e876 in
base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:36
#6  0x00007ff4120a6769 in base::internal::WorkerThread::RunWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:311
#7  0x00007ff4120a6ea8 in base::internal::WorkerThread::RunPooledWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:224
#8  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#9  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7ff3cd041700 (LWP 188587)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff3cd040150, clockid=<optimized out>, expected=0,
futex_word=0x7ff3cd0402e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff3cd040150, clockid=<optimized
out>, mutex=0x7ff3cd040298, cond=0x7ff3cd0402c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7ff3cd0402c0, mutex=0x7ff3cd040298,
abstime=0x7ff3cd040150) at pthread_cond_wait.c:656
#3  0x00007ff4120eefc2 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:127
#4  0x00007ff4120f01bf in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:213
#5  0x00007ff41209e876 in
base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:36
#6  0x00007ff4120a69dc in base::internal::WorkerThread::RunWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:334
#7  0x00007ff4120a6ea8 in base::internal::WorkerThread::RunPooledWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:224
#8  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#9  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7ff36db69700 (LWP 188585)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff36db68350, clockid=<optimized out>, expected=0,
futex_word=0x563f6e31f4b0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff36db68350, clockid=<optimized
out>, mutex=0x563f6e31f460, cond=0x563f6e31f488) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x563f6e31f488, mutex=0x563f6e31f460,
abstime=0x7ff36db68350) at pthread_cond_wait.c:656
#3  0x00007ff40dfbfe73 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x563f6e31f460, deadline=...) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x563f6e31f460) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x563f6e300970, mutex=mutex at entry=0x563f6e319948,
deadline=...) at /src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007ff40dfbd2cf in QThreadPoolThread::run() (this=0x563f6e300960) at
../../include/QtCore/../../../../qtbase/src/corelib/thread/qmutex.h:270
#7  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e300960) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7ff36f36c700 (LWP 188584)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff36f36b350, clockid=<optimized out>, expected=0,
futex_word=0x563f6e31e9d0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff36f36b350, clockid=<optimized
out>, mutex=0x563f6e31e980, cond=0x563f6e31e9a8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x563f6e31e9a8, mutex=0x563f6e31e980,
abstime=0x7ff36f36b350) at pthread_cond_wait.c:656
#3  0x00007ff40dfbfe73 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x563f6e31e980, deadline=...) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x563f6e31e980) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x563f6e30b820, mutex=mutex at entry=0x563f6e319948,
deadline=...) at /src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007ff40dfbd2cf in QThreadPoolThread::run() (this=0x563f6e30b810) at
../../include/QtCore/../../../../qtbase/src/corelib/thread/qmutex.h:270
#7  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e30b810) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7ff36eb6b700 (LWP 188583)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff36eb6a350, clockid=<optimized out>, expected=0,
futex_word=0x563f6e31f040) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff36eb6a350, clockid=<optimized
out>, mutex=0x563f6e31eff0, cond=0x563f6e31f018) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x563f6e31f018, mutex=0x563f6e31eff0,
abstime=0x7ff36eb6a350) at pthread_cond_wait.c:656
#3  0x00007ff40dfbfe73 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x563f6e31eff0, deadline=...) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x563f6e31eff0) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x563f6e309a80, mutex=mutex at entry=0x563f6e319948,
deadline=...) at /src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007ff40dfbd2cf in QThreadPoolThread::run() (this=0x563f6e309a70) at
../../include/QtCore/../../../../qtbase/src/corelib/thread/qmutex.h:270
#7  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e309a70) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7ff36e36a700 (LWP 188582)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff36e369350, clockid=<optimized out>, expected=0,
futex_word=0x563f6e3151e0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff36e369350, clockid=<optimized
out>, mutex=0x563f6e315190, cond=0x563f6e3151b8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x563f6e3151b8, mutex=0x563f6e315190,
abstime=0x7ff36e369350) at pthread_cond_wait.c:656
#3  0x00007ff40dfbfe73 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x563f6e315190, deadline=...) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x563f6e315190) at
/src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x563f6e31e6d0, mutex=mutex at entry=0x563f6e319948,
deadline=...) at /src/qt5/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007ff40dfbd2cf in QThreadPoolThread::run() (this=0x563f6e31e6c0) at
../../include/QtCore/../../../../qtbase/src/corelib/thread/qmutex.h:270
#7  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e31e6c0) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7ff3aaffd700 (LWP 188499)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff3aaffc150, clockid=<optimized out>, expected=0,
futex_word=0x7ff3aaffc2e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff3aaffc150, clockid=<optimized
out>, mutex=0x7ff3aaffc298, cond=0x7ff3aaffc2c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7ff3aaffc2c0, mutex=0x7ff3aaffc298,
abstime=0x7ff3aaffc150) at pthread_cond_wait.c:656
#3  0x00007ff4120eefc2 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:127
#4  0x00007ff4120f01bf in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:213
#5  0x00007ff41209e876 in
base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:36
#6  0x00007ff4120a69dc in base::internal::WorkerThread::RunWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:334
#7  0x00007ff4120a6ea8 in base::internal::WorkerThread::RunPooledWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:224
#8  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#9  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7ff3e72bd700 (LWP 186893)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff3e72bc150, clockid=<optimized out>, expected=0,
futex_word=0x7ff3e72bc2e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff3e72bc150, clockid=<optimized
out>, mutex=0x7ff3e72bc298, cond=0x7ff3e72bc2c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7ff3e72bc2c0, mutex=0x7ff3e72bc298,
abstime=0x7ff3e72bc150) at pthread_cond_wait.c:656
#3  0x00007ff4120eefc2 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:127
#4  0x00007ff4120f01bf in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:213
#5  0x00007ff41209e876 in
base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:36
#6  0x00007ff4120a69dc in base::internal::WorkerThread::RunWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:334
#7  0x00007ff4120a6ea8 in base::internal::WorkerThread::RunPooledWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:224
#8  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#9  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7ff36ffff700 (LWP 158380)):
#0  0x00007ff40dbf396f in __GI___poll (fds=0x7ff368005060, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff406d991ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff40e1ff0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff368000b60, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ff36fffe3e0, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#5  0x00007ff40dfb8ad2 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#6  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6f4e9ec0) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#7  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7ff37ae82700 (LWP 158376)):
#0  0x00007ff406de6368 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff406d989ee in g_main_context_query () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff406d99128 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff40e1ff0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff370000b60, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#5  0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ff37ae813e0, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#6  0x00007ff40dfb8ad2 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#7  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f7358e1e0) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7ff388b04700 (LWP 158364)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7ff388b032c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7ff388b03278,
cond=0x7ff388b032a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7ff388b032a0, mutex=0x7ff388b03278) at
pthread_cond_wait.c:638
#3  0x00007ff4120eee6c in base::ConditionVariable::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:75
#4  0x00007ff4120f01fd in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:211
#5  0x00007ff4120f0403 in base::WaitableEvent::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:157
#6  0x00007ff41209e888 in
base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:34
#7  0x00007ff4120a69dc in base::internal::WorkerThread::RunWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:334
#8  0x00007ff4120a6f08 in base::internal::WorkerThread::RunSharedWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:236
#9  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#10 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7ff38affd700 (LWP 158352)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7ff38affc1c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7ff38affc178,
cond=0x7ff38affc1a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7ff38affc1a0, mutex=0x7ff38affc178) at
pthread_cond_wait.c:638
#3  0x00007ff4120eee6c in base::ConditionVariable::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:75
#4  0x00007ff4120f01fd in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:211
#5  0x00007ff4120f0403 in base::WaitableEvent::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:157
#6  0x00007ff41203eecd in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:55
#7  0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#8  0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#9  base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#10 0x00007ff4120e80cb in base::Thread::Run(base::RunLoop*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:309
#11 base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#12 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#13 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#14 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7ff38b7fe700 (LWP 158334)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7ff38b7fd2c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7ff38b7fd278,
cond=0x7ff38b7fd2a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7ff38b7fd2a0, mutex=0x7ff38b7fd278) at
pthread_cond_wait.c:638
#3  0x00007ff4120eee6c in base::ConditionVariable::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:75
#4  0x00007ff4120f01fd in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:211
#5  0x00007ff4120f0403 in base::WaitableEvent::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:157
#6  0x00007ff41209e888 in
base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:34
#7  0x00007ff4120a69dc in base::internal::WorkerThread::RunWorker() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:334
#8  0x00007ff4120a6f68 in base::internal::WorkerThread::RunDedicatedWorker() ()
at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/worker_thread.cc:248
#9  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#10 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7ff38bfff700 (LWP 158333)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7ff38bffe1c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7ff38bffe178,
cond=0x7ff38bffe1a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7ff38bffe1a0, mutex=0x7ff38bffe178) at
pthread_cond_wait.c:638
#3  0x00007ff4120eee6c in base::ConditionVariable::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:75
#4  0x00007ff4120f01fd in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:211
#5  0x00007ff4120f0403 in base::WaitableEvent::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:157
#6  0x00007ff41203eecd in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:55
#7  0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#8  0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#9  base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#10 0x00007ff4120e80cb in base::Thread::Run(base::RunLoop*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:309
#11 base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#12 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#13 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#14 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7ff3a8ff9700 (LWP 158332)):
#0  __lll_lock_wait_private (futex=0x7ff40dccc4b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007ff40db5b1f6 in buffered_vfprintf (s=s at entry=0x7ff40dcca5c0
<_IO_2_1_stderr_>, format=format at entry=0x7ff40a2dd258 "[%s] %s\n",
args=args at entry=0x7ff3a8ff7b50, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007ff40db57ea4 in __vfprintf_internal (s=0x7ff40dcca5c0
<_IO_2_1_stderr_>, format=0x7ff40a2dd258 "[%s] %s\n",
ap=ap at entry=0x7ff3a8ff7b50, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007ff40dc0f023 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007ff40a2c3b36 in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007ff40a2c3d09 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007ff40a2c5768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007ff40a2bb625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007ff4120ed03c in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:216
#9  0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#10 0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#11 base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#12 0x00007ff4120e80cb in base::Thread::Run(base::RunLoop*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:309
#13 base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#14 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#15 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#16 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7ff3a97fa700 (LWP 158331)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7ff3a97f9050, clockid=<optimized out>, expected=0,
futex_word=0x7ff3a97f91e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7ff3a97f9050, clockid=<optimized
out>, mutex=0x7ff3a97f9198, cond=0x7ff3a97f91c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7ff3a97f91c0, mutex=0x7ff3a97f9198,
abstime=0x7ff3a97f9050) at pthread_cond_wait.c:656
#3  0x00007ff4120eefc2 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:127
#4  0x00007ff4120f01bf in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:213
#5  0x00007ff41203eec0 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:57
#6  0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#7  0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#8  base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#9  0x00007ff4120e80cb in base::Thread::Run(base::RunLoop*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:309
#10 base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#11 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#12 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#13 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7ff3a9ffb700 (LWP 158330)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7ff3a9ffa1c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7ff3a9ffa178,
cond=0x7ff3a9ffa1a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7ff3a9ffa1a0, mutex=0x7ff3a9ffa178) at
pthread_cond_wait.c:638
#3  0x00007ff4120eee6c in base::ConditionVariable::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:75
#4  0x00007ff4120f01fd in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:211
#5  0x00007ff4120f0403 in base::WaitableEvent::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/waitable_event_posix.cc:157
#6  0x00007ff41203eecd in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_default.cc:55
#7  0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#8  0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#9  base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#10 0x00007ff4120e80cb in base::Thread::Run(base::RunLoop*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:309
#11 base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#12 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#13 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#14 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7ff3aa7fc700 (LWP 158329)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x563f6e47796c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563f6e4778a8,
cond=0x563f6e477940) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563f6e477940, mutex=0x563f6e4778a8) at
pthread_cond_wait.c:638
#3  0x00007ff4120eee6c in base::ConditionVariable::Wait() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/synchronization/condition_variable_posix.cc:75
#4  0x00007ff4129430e8 in cc::SingleThreadTaskGraphRunner::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/cc/raster/single_thread_task_graph_runner.cc:123
#5  0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#6  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7ff3cde75700 (LWP 158323)):
#0  __lll_lock_wait_private (futex=0x7ff40dccc4b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007ff40db5b1f6 in buffered_vfprintf (s=s at entry=0x7ff40dcca5c0
<_IO_2_1_stderr_>, format=format at entry=0x7ff40a2dd258 "[%s] %s\n",
args=args at entry=0x7ff3cde73b00, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007ff40db57ea4 in __vfprintf_internal (s=0x7ff40dcca5c0
<_IO_2_1_stderr_>, format=0x7ff40a2dd258 "[%s] %s\n",
ap=ap at entry=0x7ff3cde73b00, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007ff40dc0f023 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007ff40a2c3b36 in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007ff40a2c3d09 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007ff40a2c5768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007ff40a2bb625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007ff4120ed187 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:257
#9  0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#10 0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#11 base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#12 0x00007ff4147350b8 in
content::BrowserProcessSubThread::IOThreadRun(base::RunLoop*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/content/browser/browser_process_sub_thread.cc:144
#13 0x00007ff4120e8298 in base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#14 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#15 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#16 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7ff3cee77700 (LWP 158321)):
#0  __GI___libc_write (nbytes=39, buf=0x7ff3cee73570, fd=2) at
../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7ff3cee73570, nbytes=39) at
../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007ff40db7000d in _IO_new_file_write (f=0x7ff40dcca5c0
<_IO_2_1_stderr_>, data=0x7ff3cee73570, n=39) at fileops.c:1176
#3  0x00007ff40db70928 in new_do_write (to_do=<optimized out>,
data=0x7ff3cee73570 "[warn] epoll_wait: Bad file descriptor\n",
fp=0x7ff40dcca5c0 <_IO_2_1_stderr_>) at libioP.h:948
#4  _IO_new_file_xsputn (n=39, data=<optimized out>, f=<optimized out>) at
fileops.c:1255
#5  _IO_new_file_xsputn (f=0x7ff40dcca5c0 <_IO_2_1_stderr_>, data=<optimized
out>, n=39) at fileops.c:1197
#6  0x00007ff40db5b0d3 in buffered_vfprintf (s=s at entry=0x7ff40dcca5c0
<_IO_2_1_stderr_>, format=format at entry=0x7ff40a2dd258 "[%s] %s\n",
args=args at entry=0x7ff3cee75b30, mode_flags=mode_flags at entry=2) at
../libio/libioP.h:948
#7  0x00007ff40db57ea4 in __vfprintf_internal (s=0x7ff40dcca5c0
<_IO_2_1_stderr_>, format=0x7ff40a2dd258 "[%s] %s\n",
ap=ap at entry=0x7ff3cee75b30, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007ff40dc0f023 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007ff40a2c3b36 in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007ff40a2c3d09 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007ff40a2c5768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007ff40a2bb625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007ff4120ed03c in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc:216
#14 0x00007ff41208c39c in
base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool,
base::TimeDelta) () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:429
#15 0x00007ff412087436 in base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:124
#16 base::RunLoop::Run() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/run_loop.cc:102
#17 0x00007ff4120b1ed8 in base::internal::ServiceThread::Run(base::RunLoop*) ()
at
./../../../../../qtwebengine/src/3rdparty/chromium/base/task/thread_pool/service_thread.cc:61
#18 0x00007ff4120e8298 in base::Thread::ThreadMain() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/thread.cc:380
#19 0x00007ff4120f0cde in ThreadFunc() () at
./../../../../../qtwebengine/src/3rdparty/chromium/base/threading/platform_thread_posix.cc:81
#20 0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#21 0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7ff3e7fff700 (LWP 158293)):
#0  0x00007ff40dbf396f in __GI___poll (fds=0x7ff3f004e140, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff406d991ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff40e1ff0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff3e0000b60, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ff3e7ffe3e0, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#5  0x00007ff40dfb8ad2 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#6  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e20ec20) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#7  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7ff3f4877700 (LWP 158292)):
#0  0x00007ff40dbf396f in __GI___poll (fds=0x7ff3ec004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff406d991ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff40e1ff0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff3ec000b60, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ff3f48763e0, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#5  0x00007ff40dfb8ad2 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#6  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e21bd80) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#7  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff3f5078700 (LWP 158291)):
#0  0x00007ff40dbf396f in __GI___poll (fds=0x7ff3e8004a60, nfds=1,
timeout=10026) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff406d991ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff40e1ff0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff3e8000b60, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ff3f50773e0, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#5  0x00007ff40dfb8ad2 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#6  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6e21df40) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#7  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff3f6289700 (LWP 158290)):
#0  0x00007ff406d98660 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff406d990db in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff40e1ff0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff3f0000b60, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#4  0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ff3f62883a0, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#5  0x00007ff40dfb8ad2 in QThread::exec() (this=this at entry=0x7ff40d87adc0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#6  0x00007ff40d7ee87c in QDBusConnectionManager::run() (this=0x7ff40d87adc0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
/src/qt5/qtbase/src/dbus/qdbusconnection.cpp:179
#7  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x7ff40d87adc0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff3fdbb1700 (LWP 158289)):
#0  0x00007ff40dbf396f in __GI___poll (fds=0x7ff3fdbb02e8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff407974c1a in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff40797690a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff3fe13c4c8 in QXcbEventQueue::run() (this=0x563f6dd0f9a0) at
/src/qt5/qtbase/src/plugins/platforms/xcb/qxcbeventqueue.cpp:228
#4  0x00007ff40dfb9c8b in QThreadPrivate::start(void*) (arg=0x563f6dd0f9a0) at
/src/qt5/qtbase/src/corelib/thread/qthread_unix.cpp:329
#5  0x00007ff40a9a8609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ff40dc00103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff3fe8221c0 (LWP 158287)):
[KCrash Handler]
#6  0x00007ff40eed9128 in QTabWidget::count() const (this=0x563f6e48e9e0) at
/src/qt5/qtbase/src/widgets/widgets/qtabwidget.cpp:1212
#7  0x00007ff40d785563 in MessageList::Pane::Private::updateTabControls()
(this=0x563f6e7fc460) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/pane.cpp:844
#8  0x00007ff40e1d9715 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffc911720a0, r=0x563f6e5ce4e0, this=0x563f6e53c290) at
../../include/QtCore/../../../../qtbase/src/corelib/kernel/qobjectdefs_impl.h:398
#9  doActivate<false>(QObject*, int, void**) (sender=0x563f6e26e4d0,
signal_index=3, argv=0x7ffc911720a0) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:3886
#10 0x00007ff40e1d3217 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender at entry=0x563f6e26e4d0, m=m at entry=0x7ff40b71ff20
<KCoreConfigSkeleton::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x0) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:3946
#11 0x00007ff40b6cd044 in KCoreConfigSkeleton::configChanged()
(this=this at entry=0x563f6e26e4d0) at
/src/kdesrc/build/frameworks/kconfig/src/core/KF5ConfigCore_autogen/EWIEGA46WW/moc_kcoreconfigskeleton.cpp:154
#12 0x00007ff40b6f9cee in KCoreConfigSkeleton::save() (this=0x563f6e26e4d0) at
/src/kdesrc/frameworks/kconfig/src/core/kcoreconfigskeleton.cpp:1287
#13 0x00007ff40d7192a1 in MessageList::Core::Manager::saveGlobalConfiguration()
(this=0x563f6e7efca0) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/core/manager.cpp:928
#14 MessageList::Core::Manager::saveConfiguration() (this=0x563f6e7efca0) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/core/manager.cpp:928
#15 0x00007ff40d719691 in MessageList::Core::Manager::~Manager()
(this=0x563f6e7efca0, __in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/core/manager.cpp:58
#16 0x00007ff40d71978d in MessageList::Core::Manager::~Manager()
(this=0x563f6e7efca0, __in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/core/manager.cpp:56
#17 0x00007ff40d714186 in
MessageList::Core::Manager::unregisterWidget(MessageList::Core::Widget*)
(pWidget=<optimized out>, pWidget at entry=0x563f6e7f5f20) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/core/manager.cpp:86
#18 0x00007ff40d765271 in MessageList::Core::Widget::~Widget()
(this=0x563f6e7f5f20, __in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/core/widgetbase.cpp:158
#19 0x00007ff40d79216d in MessageList::Widget::~Widget() (this=0x563f6e7f5f20,
__in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/messagelib/messagelist/src/widget.cpp:85
#20 0x00007ff40e1cd25a in QObjectPrivate::deleteChildren()
(this=this at entry=0x7ff3f80068f0) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:2104
#21 0x00007ff40ed22766 in QWidget::~QWidget() (this=0x563f6e7f0ba0,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/kernel/qwidget.cpp:1522
#22 0x00007ff40eeb39dd in QStackedWidget::~QStackedWidget()
(this=0x563f6e7f0ba0, __in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/widgets/qstackedwidget.cpp:145
#23 0x00007ff40e1cd25a in QObjectPrivate::deleteChildren()
(this=this at entry=0x563f6e3fc860) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:2104
#24 0x00007ff40ed22766 in QWidget::~QWidget() (this=0x563f6e5ce4e0,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/kernel/qwidget.cpp:1522
#25 0x00007ff416e3a2c5 in CollectionPane::~CollectionPane()
(this=0x563f6e5ce4e0, __in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/kmail/src/widgets/collectionpane.cpp:37
#26 CollectionPane::~CollectionPane() (this=0x563f6e5ce4e0,
__in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/kmail/src/widgets/collectionpane.cpp:39
#27 0x00007ff40e1cd25a in QObjectPrivate::deleteChildren()
(this=this at entry=0x563f6e4dcd80) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:2104
#28 0x00007ff40ed22766 in QWidget::~QWidget() (this=0x563f6e76f530,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/kernel/qwidget.cpp:1522
#29 0x00007ff40eeae4dd in QSplitter::~QSplitter() (this=0x563f6e76f530,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/widgets/qsplitter.cpp:971
#30 0x00007ff40e1cd25a in QObjectPrivate::deleteChildren()
(this=this at entry=0x563f6e534eb0) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:2104
#31 0x00007ff40ed22766 in QWidget::~QWidget() (this=0x563f6e683bd0,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/kernel/qwidget.cpp:1522
#32 0x00007ff40eeae4dd in QSplitter::~QSplitter() (this=0x563f6e683bd0,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/widgets/qsplitter.cpp:971
#33 0x00007ff416de2637 in KMMainWidget::deleteWidgets()
(this=this at entry=0x563f6e217b90) at
/src/kdesrc/kde/pim/kmail/src/kmmainwidget.cpp:992
#34 0x00007ff416e0047c in KMMainWidget::destruct() (this=0x563f6e217b90) at
/src/kdesrc/kde/pim/kmail/src/kmmainwidget.cpp:402
#35 KMMainWidget::destruct() (this=0x563f6e217b90) at
/src/kdesrc/kde/pim/kmail/src/kmmainwidget.cpp:391
#36 0x00007ff416e00657 in KMMainWidget::~KMMainWidget() (this=0x563f6e217b90,
__in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/kmail/src/kmmainwidget.cpp:386
#37 0x00007ff416e0087d in KMMainWidget::~KMMainWidget() (this=0x563f6e217b90,
__in_chrg=<optimized out>) at
/src/kdesrc/kde/pim/kmail/src/kmmainwidget.cpp:382
#38 0x00007ff40e1cd25a in QObjectPrivate::deleteChildren()
(this=this at entry=0x563f6dcc4340) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:2104
#39 0x00007ff40ed22766 in QWidget::~QWidget() (this=0x563f6e2fdd60,
__in_chrg=<optimized out>) at
/src/qt5/qtbase/src/widgets/kernel/qwidget.cpp:1522
#40 0x00007ff40d9de358 in KMainWindow::~KMainWindow() (this=0x563f6e2fdd60,
__in_chrg=<optimized out>) at
/src/kdesrc/frameworks/kxmlgui/src/kmainwindow.cpp:412
#41 0x00007ff416d9eb0d in KMMainWin::~KMMainWin()
(this=this at entry=0x563f6e2fdd60, __in_chrg=<optimized out>,
__vtt_parm=<optimized out>) at /opt/qt5/include/QtCore/qobject.h:384
#42 0x00007ff416d9eb7d in KMMainWin::~KMMainWin() (this=0x563f6e2fdd60,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/src/kdesrc/kde/pim/kmail/src/kmmainwin.cpp:91
#43 0x00007ff40e1d06b3 in QObject::event(QEvent*)
(this=this at entry=0x563f6e2fdd60, e=e at entry=0x7ff39400d360) at
/src/qt5/qtbase/src/corelib/kernel/qobject.cpp:1301
#44 0x00007ff40ed24403 in QWidget::event(QEvent*)
(this=this at entry=0x563f6e2fdd60, event=event at entry=0x7ff39400d360) at
/src/qt5/qtbase/src/widgets/kernel/qwidget.cpp:9080
#45 0x00007ff40ee4cd28 in QMainWindow::event(QEvent*)
(this=this at entry=0x563f6e2fdd60, event=event at entry=0x7ff39400d360) at
/src/qt5/qtbase/src/widgets/widgets/qmainwindow.cpp:1341
#46 0x00007ff40d9e0a7b in KMainWindow::event(QEvent*)
(this=this at entry=0x563f6e2fdd60, ev=ev at entry=0x7ff39400d360) at
/src/kdesrc/frameworks/kxmlgui/src/kmainwindow.cpp:911
#47 0x00007ff40da2b78b in KXmlGuiWindow::event(QEvent*) (this=0x563f6e2fdd60,
ev=0x7ff39400d360) at /src/kdesrc/frameworks/kxmlgui/src/kxmlguiwindow.cpp:109
#48 0x00007ff40ecdde23 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x563f6e2fdd60, e=0x7ff39400d360) at
/src/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3630
#49 0x00007ff40ece5650 in QApplication::notify(QObject*, QEvent*) () at
/src/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3154
#50 0x00007ff40e1a2248 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x563f6e2fdd60, event=0x7ff39400d360) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../../../qtbase/src/corelib/thread/qthread_p.h:325
#51 0x00007ff40e1a4d20 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x563f6dcc18f0) at
/src/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1817
#52 0x00007ff40e1ffa87 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x563f6ddb2f50) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:277
#53 0x00007ff406d98fbd in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007ff406d99240 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007ff406d992e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007ff40e1ff0e1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x563f6ddc3570, flags=...) at
/src/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#57 0x00007ff40e1a0d2b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffc91172d80, flags=..., flags at entry=...) at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:141
#58 0x00007ff40e1a9284 in QCoreApplication::exec() () at
../../include/QtCore/../../../../qtbase/src/corelib/global/qflags.h:121
#59 0x0000563f6cefe93e in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /opt/qt5/include/QtCore/qcoreapplication.h:116
[Inferior 1 (process 158287) detached]

Possible duplicates by query: bug 427575, bug 426596, bug 426090, bug 425786,
bug 425658.

Reported using DrKonqi

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