[kmail2] [Bug 403625] New: KMail crashes while closing

Jimmy Kloss bugzilla_noreply at kde.org
Sat Jan 26 13:36:28 GMT 2019 

https://bugs.kde.org/show_bug.cgi?id=403625

            Bug ID: 403625
           Summary: KMail crashes while closing
           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: jimmy.kloss at gmail.com
  Target Milestone: ---

Application: kmail (5.10.1)
 (Compiled from sources)
Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.20.4 x86_64
Distribution: "Gentoo Base System release 2.6"

-- Information about the crash:
Distro: Gentoo
Compositor: kwin_wayland
Plasma: 5.14.5
Frameworks: 5.54.0
Qt: 5.11.3
Kernel: 4.20.4

- What I was doing when the application crashed:

Closing KMail

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f002e4e0a80 (LWP 2077))]

Thread 44 (Thread 0x7effb39e0700 (LWP 5040)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d2306f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 43 (Thread 0x7eff74ff9700 (LWP 5039)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 42 (Thread 0x7effa17fa700 (LWP 5038)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 41 (Thread 0x7eff757fa700 (LWP 4668)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 40 (Thread 0x7eff87fff700 (LWP 4107)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 39 (Thread 0x7eff0bfff700 (LWP 2564)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f00419a3dba in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib64/libQt5Script.so.5
#2  0x00007f00419a3dd9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /usr/lib64/libQt5Script.so.5
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 38 (Thread 0x7eff767fc700 (LWP 2499)):
#0  0x00007f005be42958 in read () from /lib64/libc.so.6
#1  0x00007f0035b79f71 in pa_read () from
/usr/lib64/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f003ce818c6 in pa_mainloop_prepare () from /usr/lib64/libpulse.so.0
#3  0x00007f003ce823a0 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007f003ce82460 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007f003ce91089 in thread () from /usr/lib64/libpulse.so.0
#6  0x00007f0035bab4f7 in internal_thread_func () from
/usr/lib64/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 37 (Thread 0x7eff76ffd700 (LWP 2498)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046ce9710 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d0ee6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d31c34 in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 36 (Thread 0x7eff777fe700 (LWP 2497)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f004767bf08 in cc::SingleThreadTaskGraphRunner::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d347a6 in base::SimpleThread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 35 (Thread 0x7eff77fff700 (LWP 2496)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d88 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7eff84ff9700 (LWP 2495)):
#0  0x00007f005be42a3b in write () from /lib64/libc.so.6
#1  0x00007f005bdcb845 in _IO_file_write () from /lib64/libc.so.6
#2  0x00007f005bdcaa63 in new_do_write () from /lib64/libc.so.6
#3  0x00007f005bdcc0fe in _IO_file_xsputn () from /lib64/libc.so.6
#4  0x00007f005bd9f3a8 in buffered_vfprintf () from /lib64/libc.so.6
#5  0x00007f005bd9c722 in vfprintf () from /lib64/libc.so.6
#6  0x00007f005be653d4 in __fprintf_chk () from /lib64/libc.so.6
#7  0x00007f003b577d4f in event_logv_.part () from /usr/lib64/libevent-2.1.so.6
#8  0x00007f003b577f7c in event_warn () from /usr/lib64/libevent-2.1.so.6
#9  0x00007f003b579768 in epoll_dispatch () from /usr/lib64/libevent-2.1.so.6
#10 0x00007f003b56f199 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#11 0x00007f0046cefc19 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f0046d0ee6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f0045e23e5a in
content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f0045e24307 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f0046d31d68 in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#18 0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7eff857fa700 (LWP 2494)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d88 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d2306f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7eff85ffb700 (LWP 2493)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d88 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7eff867fc700 (LWP 2492)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d88 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d2306f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7eff86ffd700 (LWP 2491)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d88 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d2306f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7eff877fe700 (LWP 2490)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d88 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d2306f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7effa1ffb700 (LWP 2486)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7effa2ffd700 (LWP 2484)):
#0  0x00007f0051634421 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b1f7 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ceca in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cfb2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046d21d71 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d23251 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7effa37fe700 (LWP 2483)):
#0  0x00007f005be6306b in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f005be6537c in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007f003b577d4f in event_logv_.part () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f003b577f7c in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f003b579768 in epoll_dispatch () from /usr/lib64/libevent-2.1.so.6
#5  0x00007f003b56f199 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007f0046cefc6d in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f0046d0ee6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f0046d31c34 in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7effa3fff700 (LWP 2482)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f0046d1b129 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f0046d1ced8 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f0046d1cf6f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f0046ce96ff in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f0046d0ee6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f0046d31c34 in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7effb0d73700 (LWP 2481)):
#0  0x00007f005be6306b in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007f005be6537c in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007f003b577d4f in event_logv_.part () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f003b577f7c in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f003b579768 in epoll_dispatch () from /usr/lib64/libevent-2.1.so.6
#5  0x00007f003b56f199 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007f0046cefc6d in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f0046d0ee6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f0046d31c34 in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f0046d2d681 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7effd9dec700 (LWP 2099)):
#0  0x00007f005be4722b in poll () from /lib64/libc.so.6
#1  0x00007f004f427ffe in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f004f42811c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f005c7c28eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007f005c770acb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f005c5dee46 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f005c5e82ae in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7effdaffd700 (LWP 2098)):
#0  0x00007f005be4722b in poll () from /lib64/libc.so.6
#1  0x00007f004f427ffe in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f004f42811c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f005c7c28eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007f005c770acb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f005c5dee46 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f005ab2a2c5 in QDBusConnectionManager::run() () from
/usr/lib64/libQt5DBus.so.5
#7  0x00007f005c5e82ae in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7effdb7fe700 (LWP 2097)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7effdbfff700 (LWP 2096)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7efff4ff9700 (LWP 2095)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7efff57fa700 (LWP 2094)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7efff5ffb700 (LWP 2093)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7efff67fc700 (LWP 2092)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7efff6ffd700 (LWP 2091)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7efff77fe700 (LWP 2090)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7efff7fff700 (LWP 2089)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f0010ff9700 (LWP 2088)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f00117fa700 (LWP 2087)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f0011ffb700 (LWP 2086)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f00127fc700 (LWP 2085)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f0012ffd700 (LWP 2084)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f00137fe700 (LWP 2083)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f0013fff700 (LWP 2082)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f0020ebd700 (LWP 2081)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f00216be700 (LWP 2080)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f0021ebf700 (LWP 2079)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f0022c15700 (LWP 2078)):
#0  0x00007f005163401c in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f002bbcea0b in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f002bbce747 in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f005162d1a3 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f005be539cf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f002e4e0a80 (LWP 2077)):
[KCrash Handler]
#6  0x0000000000000021 in ?? ()
#7  0x00007f00461170d5 in content::RenderProcessHostImpl::ShutdownRequest() ()
from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f0045918c45 in
content::mojom::RendererHostStubDispatch::Accept(content::mojom::RendererHost*,
mojo::Message*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f0047554b5d in
mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) [clone
.part.125] () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f004758d7f9 in IPC::(anonymous
namespace)::ChannelAssociatedGroupController::AcceptOnProxyThread(mojo::Message)
() from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f004758d2de in void
base::internal::Invoker<base::internal::BindState<void (IPC::(anonymous
namespace)::ChannelAssociatedGroupController::*)(mojo::Message),
scoped_refptr<IPC::(anonymous namespace)::ChannelAssociatedGroupController>,
base::internal::PassedWrapper<mojo::Message> >, void ()>::RunImpl<void
(IPC::(anonymous namespace)::ChannelAssociatedGroupController::*
const&)(mojo::Message), std::tuple<scoped_refptr<IPC::(anonymous
namespace)::ChannelAssociatedGroupController>,
base::internal::PassedWrapper<mojo::Message> > const&, 0ul, 1ul>(void
(IPC::(anonymous namespace)::ChannelAssociatedGroupController::*
const&)(mojo::Message), std::tuple<scoped_refptr<IPC::(anonymous
namespace)::ChannelAssociatedGroupController>,
base::internal::PassedWrapper<mojo::Message> > const&,
std::integer_sequence<unsigned long, 0ul, 1ul>) [clone .isra.234] () from
/usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f0046ccbd78 in base::debug::TaskAnnotator::RunTask(char const*,
base::PendingTask*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f0046cec5da in base::MessageLoop::RunTask(base::PendingTask*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f0046ced08f in
base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) () from
/usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f0046ced20a in base::MessageLoop::DoWork() [clone .part.202] () from
/usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f004576e579 in QtWebEngineCore::WebEngineContext::destroy() () from
/usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f004576e6a5 in (anonymous namespace)::destroyContext() () from
/usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f005c773e72 in qt_call_post_routines() () from
/usr/lib64/libQt5Core.so.5
#19 0x00007f005d45ba56 in QApplication::~QApplication() () from
/usr/lib64/libQt5Widgets.so.5
#20 0x000055fcc5469803 in main ()
[Inferior 1 (process 2077) detached]

The reporter indicates this bug may be a duplicate of or related to bug 401854.

Possible duplicates by query: bug 401854, bug 401826, bug 401394, bug 401330,
bug 399996.

Reported using DrKonqi

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