[kmail2] [Bug 409679] New: Kmail crash when open through a mailto link

Sylvain bugzilla_noreply at kde.org
Wed Jul 10 12:40:09 BST 2019 

https://bugs.kde.org/show_bug.cgi?id=409679

            Bug ID: 409679
           Summary: Kmail crash when open through a mailto link
           Product: kmail2
           Version: 5.11.2
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: sylvain at sbx.pm
  Target Milestone: ---

Application: kmail (5.11.2)

Qt Version: 5.12.3
Frameworks Version: 5.59.0
Operating System: Linux 4.15.0-54-generic x86_64
Distribution: KDE neon Plasma LTS Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed:
I clicked on a link like mailto:xxx at yyy.com, in Firefox. Kmail never opened but
the error reporting tool was shown. I tried twice and the error was thrown each
times.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f898767bbc0 (LWP 26688))]

Thread 20 (Thread 0x7f88cbfff700 (LWP 27595)):
#0  0x00007f8979e31ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f88cbffe710, expected=0, futex_word=0x7f88cbffe8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f88cbffe7b0, mutex=0x7f88cbffe8a8,
cond=0x7f88cbffe8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f88cbffe8d0, mutex=0x7f88cbffe8a8,
abstime=0x7f88cbffe7b0) at pthread_cond_wait.c:667
#3  0x00007f896ef0cb17 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d46a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d552 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfb1 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed04c7 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0ab4 in base::internal::SchedulerWorker::RunPooledWorker() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f88cbfff700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f88f8ff9700 (LWP 27552)):
#0  0x00007f8979e319f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f88f8ff8908) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f88f8ff88b8,
cond=0x7f88f8ff88e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f88f8ff88e0, mutex=0x7f88f8ff88b8) at
pthread_cond_wait.c:655
#3  0x00007f896ef0ca49 in base::ConditionVariable::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d478 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d50f in base::WaitableEvent::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfc8 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed07f6 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0b34 in base::internal::SchedulerWorker::RunDedicatedWorker()
() from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f88f8ff9700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f88f97fa700 (LWP 27549)):
#0  __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f89846c7474 in ___fprintf_chk (fp=0x7f89849828b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f89645d06a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f89645b89ad in event_logv_ () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f89645b8b44 in event_warn () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f89645ba46c in ?? () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f89645b0114 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f896ef12db4 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eedf311 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f88f97fa700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f88f9ffb700 (LWP 27454)):
#0  0x00007f89846a9bf9 in __GI___poll (fds=0x7f88e4007030, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8966bb1481 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f8966ba2e40 in pa_mainloop_poll () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f8966ba34d0 in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f8966ba3560 in pa_mainloop_run () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f8966bb13c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f895edf2318 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f8979e2b6db in start_thread (arg=0x7f88f9ffb700) at
pthread_create.c:463
#8  0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f88fa7fc700 (LWP 27453)):
#0  __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f89846c7474 in ___fprintf_chk (fp=0x7f89849828b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f89645d06a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f89645b89ad in event_logv_ () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f89645b8b44 in event_warn () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f89645ba46c in ?? () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f89645b0114 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f896ef12ccd in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eedf311 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f88fa7fc700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f88faffd700 (LWP 27451)):
#0  0x00007f8979e31ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f88faffc700, expected=0, futex_word=0x7f88faffc8e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f88faffc7a0, mutex=0x7f88faffc898,
cond=0x7f88faffc8c0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f88faffc8c0, mutex=0x7f88faffc898,
abstime=0x7f88faffc7a0) at pthread_cond_wait.c:667
#3  0x00007f896ef0cb17 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d46a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ee8ba80 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eedf311 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8979e2b6db in start_thread (arg=0x7f88faffd700) at
pthread_create.c:463
#10 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f88fb7fe700 (LWP 27450)):
#0  0x00007f8979e319f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x562cb37e9198) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562cb37e90d8,
cond=0x562cb37e9170) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562cb37e9170, mutex=0x562cb37e90d8) at
pthread_cond_wait.c:655
#3  0x00007f896ef0ca49 in base::ConditionVariable::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896f7c5178 in cc::SingleThreadTaskGraphRunner::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896eee07df in base::SimpleThread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8979e2b6db in start_thread (arg=0x7f88fb7fe700) at
pthread_create.c:463
#8  0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f88fbfff700 (LWP 27449)):
#0  0x00007f8979e319f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f88fbffe8c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f88fbffe878,
cond=0x7f88fbffe8a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f88fbffe8a0, mutex=0x7f88fbffe878) at
pthread_cond_wait.c:655
#3  0x00007f896ef0ca49 in base::ConditionVariable::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d478 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d50f in base::WaitableEvent::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896ee8ba6f in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eedf311 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f88fbfff700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f8924ff9700 (LWP 27427)):
#0  0x00007f8979e319f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f8924ff8908) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8924ff88b8,
cond=0x7f8924ff88e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8924ff88e0, mutex=0x7f8924ff88b8) at
pthread_cond_wait.c:655
#3  0x00007f896ef0ca49 in base::ConditionVariable::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d478 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d50f in base::WaitableEvent::Wait() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfc8 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed07f6 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0af4 in base::internal::SchedulerWorker::RunSharedWorker() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f8924ff9700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f89257fa700 (LWP 27425)):
#0  0x00007f8979e31ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f89257f9710, expected=0, futex_word=0x7f89257f98f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f89257f97b0, mutex=0x7f89257f98a8,
cond=0x7f89257f98d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f89257f98d0, mutex=0x7f89257f98a8,
abstime=0x7f89257f97b0) at pthread_cond_wait.c:667
#3  0x00007f896ef0cb17 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d46a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d552 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfb1 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed07f6 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0ab4 in base::internal::SchedulerWorker::RunPooledWorker() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f89257fa700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8925ffb700 (LWP 27420)):
#0  0x00007f8979e31ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f8925ffa710, expected=0, futex_word=0x7f8925ffa8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f8925ffa7b0, mutex=0x7f8925ffa8a8,
cond=0x7f8925ffa8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f8925ffa8d0, mutex=0x7f8925ffa8a8,
abstime=0x7f8925ffa7b0) at pthread_cond_wait.c:667
#3  0x00007f896ef0cb17 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d46a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d552 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfb1 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed07f6 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0ab4 in base::internal::SchedulerWorker::RunPooledWorker() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f8925ffb700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8926ffd700 (LWP 27418)):
#0  __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f89846c7474 in ___fprintf_chk (fp=0x7f89849828b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f89645d06a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f89645b89ad in event_logv_ () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f89645b8b44 in event_warn () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f89645ba46c in ?? () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f89645b0114 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f896ef12c79 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896e874514 in
content::BrowserProcessSubThread::IOThreadRun(base::RunLoop*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896eedf468 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8979e2b6db in start_thread (arg=0x7f8926ffd700) at
pthread_create.c:463
#12 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f89277fe700 (LWP 27417)):
#0  0x00007f8979e31ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f89277fd710, expected=0, futex_word=0x7f89277fd8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f89277fd7b0, mutex=0x7f89277fd8a8,
cond=0x7f89277fd8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f89277fd8d0, mutex=0x7f89277fd8a8,
abstime=0x7f89277fd7b0) at pthread_cond_wait.c:667
#3  0x00007f896ef0cb17 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d46a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d552 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfb1 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed07f6 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0ab4 in base::internal::SchedulerWorker::RunPooledWorker() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f89277fe700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8927fff700 (LWP 27416)):
#0  0x00007f8979e31ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f8927ffe710, expected=0, futex_word=0x7f8927ffe8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f8927ffe7b0, mutex=0x7f8927ffe8a8,
cond=0x7f8927ffe8d0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f8927ffe8d0, mutex=0x7f8927ffe8a8,
abstime=0x7f8927ffe7b0) at pthread_cond_wait.c:667
#3  0x00007f896ef0cb17 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f896ef0d46a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f896ef0d552 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f896eecdfb1 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eed04c7 in base::internal::SchedulerWorker::RunWorker() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed0ab4 in base::internal::SchedulerWorker::RunPooledWorker() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8979e2b6db in start_thread (arg=0x7f8927fff700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8930a58700 (LWP 27415)):
#0  __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f89846c7474 in ___fprintf_chk (fp=0x7f89849828b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f89645d06a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f89645b89ad in event_logv_ () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f89645b8b44 in event_warn () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f89645ba46c in ?? () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f89645b0114 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f896ef12c79 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f896eed4544 in base::internal::ServiceThread::Run(base::RunLoop*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f896eedf468 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8979e2b6db in start_thread (arg=0x7f8930a58700) at
pthread_create.c:463
#12 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8931259700 (LWP 27413)):
#0  0x00007f89846a5187 in __GI___libc_write (fd=2, buf=0x7f8931255c40,
nbytes=50) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f89846201bd in _IO_new_file_write (f=0x7f8984981680
<_IO_2_1_stderr_>, data=0x7f8931255c40, n=50) at fileops.c:1203
#2  0x00007f8984620b2f in new_do_write (to_do=<optimized out>,
data=0x7f8931255c40 "[warn] epoll_wait: Mauvais descripteur de fichier\n",
fp=0x7f8984981680 <_IO_2_1_stderr_>) at fileops.c:457
#3  _IO_new_file_xsputn (f=0x7f8984981680 <_IO_2_1_stderr_>, data=<optimized
out>, n=50) at fileops.c:1277
#4  0x00007f89845f3707 in buffered_vfprintf (s=s at entry=0x7f8984981680
<_IO_2_1_stderr_>, format=format at entry=0x7f89645d06a8 "[%s] %s\n",
args=args at entry=0x7f8931258200) at vfprintf.c:2350
#5  0x00007f89845f0726 in _IO_vfprintf_internal (s=s at entry=0x7f8984981680
<_IO_2_1_stderr_>, format=0x7f89645d06a8 "[%s] %s\n",
ap=ap at entry=0x7f8931258200) at vfprintf.c:1301
#6  0x00007f89846c74c6 in ___fprintf_chk (fp=0x7f8984981680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f89645b89ad in event_logv_ () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f89645b8b44 in event_warn () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f89645ba46c in ?? () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f89645b0114 in event_base_loop () from
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f896ef12ccd in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f896eead2db in base::RunLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f896eedf311 in base::Thread::ThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f896ef0f561 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f8979e2b6db in start_thread (arg=0x7f8931259700) at
pthread_create.c:463
#16 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8944fe6700 (LWP 26925)):
#0  0x00007fff829fea35 in clock_gettime ()
#1  0x00007f89846c5ea6 in __GI___clock_gettime (clock_id=clock_id at entry=1,
tp=tp at entry=0x7f8944fe57c0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f8984fec6b1 in qt_clock_gettime (ts=0x7f8944fe57c0, clock=<optimized
out>) at kernel/qelapsedtimer_unix.cpp:111
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at
kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007f8984feaee9 in QTimerInfoList::updateCurrentTime
(this=0x7f89380048f0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f8984fed535 in timerSourceCheckHelper (src=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:146
#7  timerSourceCheck (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:173
#8  0x00007f8977f5eee1 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f8977f5f470 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f8977f5f5dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f8984fecdcb in QEventDispatcherGlib::processEvents
(this=0x7f8938000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#12 0x00007f8984f8e03a in QEventLoop::exec (this=this at entry=0x7f8944fe59e0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#13 0x00007f8984db54ca in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#14 0x00007f8984db6c72 in QThreadPrivate::start (arg=0x562cb35f2b30) at
thread/qthread_unix.cpp:361
#15 0x00007f8979e2b6db in start_thread (arg=0x7f8944fe6700) at
pthread_create.c:463
#16 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f89461f7700 (LWP 26823)):
#0  0x00007f89846a50b4 in __GI___libc_read (fd=18, buf=0x7f89461f67a0,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f8977fa4000 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8977f5efb7 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8977f5f470 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8977f5f5dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8984fecdcb in QEventDispatcherGlib::processEvents
(this=0x7f8940000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f8984f8e03a in QEventLoop::exec (this=this at entry=0x7f89461f69b0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f8984db54ca in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#8  0x00007f898339a015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f8984db6c72 in QThreadPrivate::start (arg=0x7f8983611d80) at
thread/qthread_unix.cpp:361
#10 0x00007f8979e2b6db in start_thread (arg=0x7f89461f7700) at
pthread_create.c:463
#11 0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f894eb07700 (LWP 26698)):
#0  0x00007f89846a9bf9 in __GI___poll (fds=0x7f894eb068e8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f897738a747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f897738c36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8950c56578 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8984db6c72 in QThreadPrivate::start (arg=0x562cb31168d0) at
thread/qthread_unix.cpp:361
#5  0x00007f8979e2b6db in start_thread (arg=0x7f894eb07700) at
pthread_create.c:463
#6  0x00007f89846b688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f898767bbc0 (LWP 26688)):
[KCrash Handler]
#6  0x00007f8974056b5b in
QWebEnginePagePrivate::bindPageAndWidget(QWebEnginePage*,
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget*) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#7  0x00007f8974067311 in
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::~RenderWidgetHostViewQtDelegateWidget()
() from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#8  0x00007f8974067369 in
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::~RenderWidgetHostViewQtDelegateWidget()
() from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#9  0x00007f896d36687b in
QtWebEngineCore::RenderWidgetHostViewQt::~RenderWidgetHostViewQt() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f896d3669c1 in
QtWebEngineCore::RenderWidgetHostViewQt::~RenderWidgetHostViewQt() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f896ebbe90b in content::RenderWidgetHostImpl::Destroy(bool) () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f896ebade76 in content::RenderViewHostImpl::ShutdownAndDestroy() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f896e9adcf1 in
content::FrameTree::ReleaseRenderViewHostRef(content::RenderViewHostImpl*) ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f896e9ebaa1 in content::RenderFrameHostImpl::~RenderFrameHostImpl()
() from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f896e9ec571 in content::RenderFrameHostImpl::~RenderFrameHostImpl()
() from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f896e9fd9a0 in
content::RenderFrameHostManager::~RenderFrameHostManager() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f896e9b181b in content::FrameTreeNode::~FrameTreeNode() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f896e9ad13b in content::FrameTree::~FrameTree() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007f896ecc792f in content::WebContentsImpl::~WebContentsImpl() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007f896ecc7bf1 in content::WebContentsImpl::~WebContentsImpl() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007f896d37bfb7 in
QtWebEngineCore::WebContentsAdapter::~WebContentsAdapter() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007f897405ca2a in QWebEnginePagePrivate::~QWebEnginePagePrivate() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#23 0x00007f897405cab9 in QWebEnginePagePrivate::~QWebEnginePagePrivate() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#24 0x00007f8974053a1a in QWebEnginePagePrivate::releaseProfile() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007f896d356c2e in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f896d356f41 in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() ()
from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007f896d38b934 in QtWebEngineCore::WebEngineContext::destroy() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007f896d38bac5 in
QtWebEngineCore::WebEngineContext::destroyContextPostRoutine() () from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007f8984f92082 in qt_call_post_routines () at
kernel/qcoreapplication.cpp:350
#30 0x00007f8985d8bd26 in QApplication::~QApplication (this=0x7fff829f6b60,
__in_chrg=<optimized out>) at kernel/qapplication.cpp:795
#31 0x0000562cb14f4809 in KMailApplication::~KMailApplication
(this=0x7fff829f6b60, __in_chrg=<optimized out>) at ./src/main.cpp:42
#32 main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:128

Reported using DrKonqi

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