Application: kmail (5.12.1)

Qt Version: 5.12.3
Frameworks Version: 5.62.0
Operating System: Linux 4.15.0-64-generic x86_64
Distribution: KDE neon User Edition 5.16

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

I can no longer open an email with an important PDF attachment.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fabf8154bc0 (LWP 3459))]

Thread 24 (Thread 0x7fab294a7700 (LWP 3538)):
#0  0x00007fabea66d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fabd63e8fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fabea66d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fabd63e8f68, cond=0x7fabd63e8f90) at pthread_cond_wait.c:502
#2  0x00007fabea66d9f3 in __pthread_cond_wait (cond=0x7fabd63e8f90, mutex=0x7fabd63e8f68) at pthread_cond_wait.c:655
#3  0x00007fabd60f2844 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fabd60f2889 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fabea6676db in start_thread (arg=0x7fab294a7700) at pthread_create.c:463
#6  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fab40f37700 (LWP 3524)):
#0  0x00007fabe87ba222 in g_private_get () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fabe879c680 in g_thread_self () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabe87746cd in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabf5aa5dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab30000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab40f369e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fabf586e4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x55edede27140) at thread/qthread_unix.cpp:361
#7  0x00007fabea6676db in start_thread (arg=0x7fab40f37700) at pthread_create.c:463
#8  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fab423e4700 (LWP 3519)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab423e3710, expected=0, futex_word=0x7fab423e38f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab423e37b0, mutex=0x7fab423e38a8, cond=0x7fab423e38d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab423e38d0, mutex=0x7fab423e38a8, abstime=0x7fab423e37b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4274c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab423e4700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fab42be5700 (LWP 3518)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab42be4710, expected=0, futex_word=0x7fab42be48f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab42be47b0, mutex=0x7fab42be48a8, cond=0x7fab42be48d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab42be48d0, mutex=0x7fab42be48a8, abstime=0x7fab42be47b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab42be5700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fab433e6700 (LWP 3517)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab433e5710, expected=0, futex_word=0x7fab433e58f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab433e57b0, mutex=0x7fab433e58a8, cond=0x7fab433e58d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab433e58d0, mutex=0x7fab433e58a8, abstime=0x7fab433e57b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab433e6700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fab43be7700 (LWP 3504)):
#0  0x00007fabea66d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fab43be6908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fabea66d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fab43be68b8, cond=0x7fab43be68e0) at pthread_cond_wait.c:502
#2  0x00007fabea66d9f3 in __pthread_cond_wait (cond=0x7fab43be68e0, mutex=0x7fab43be68b8) at pthread_cond_wait.c:655
#3  0x00007fabdf463a49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf464478 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf46450f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427b34 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab43be7700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fab66ffd700 (LWP 3503)):
#0  0x00007fabcf458f36 in pa_pstream_ref () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007fabcf459ab1 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fabcf45a33f in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#3  0x00007fabd774c108 in pa_mainloop_dispatch () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fabd774c4de in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fabd774c560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fabd775a3c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007fabcf46a318 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#8  0x00007fabea6676db in start_thread (arg=0x7fab66ffd700) at pthread_create.c:463
#9  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fab677fe700 (LWP 3502)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab677fd700, expected=0, futex_word=0x7fab677fd8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab677fd7a0, mutex=0x7fab677fd898, cond=0x7fab677fd8c0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab677fd8c0, mutex=0x7fab677fd898, abstime=0x7fab677fd7a0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf3e2a80 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf4042db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf436311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabea6676db in start_thread (arg=0x7fab677fe700) at pthread_create.c:463
#10 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fab67fff700 (LWP 3501)):
#0  0x00007fabea66d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55eded6c8408) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fabea66d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55eded6c8348, cond=0x55eded6c83e0) at pthread_cond_wait.c:502
#2  0x00007fabea66d9f3 in __pthread_cond_wait (cond=0x55eded6c83e0, mutex=0x55eded6c8348) at pthread_cond_wait.c:655
#3  0x00007fabdf463a49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdfd1c178 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf4377df in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabea6676db in start_thread (arg=0x7fab67fff700) at pthread_create.c:463
#8  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fab88ff9700 (LWP 3500)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab88ff8710, expected=0, futex_word=0x7fab88ff88f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab88ff87b0, mutex=0x7fab88ff88a8, cond=0x7fab88ff88d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab88ff88d0, mutex=0x7fab88ff88a8, abstime=0x7fab88ff87b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab88ff9700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fab897fa700 (LWP 3499)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab897f9710, expected=0, futex_word=0x7fab897f98f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab897f97b0, mutex=0x7fab897f98a8, cond=0x7fab897f98d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab897f98d0, mutex=0x7fab897f98a8, abstime=0x7fab897f97b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab897fa700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fab8a7fc700 (LWP 3497)):
#0  0x00007fabea66d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fab8a7fb908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fabea66d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fab8a7fb8b8, cond=0x7fab8a7fb8e0) at pthread_cond_wait.c:502
#2  0x00007fabea66d9f3 in __pthread_cond_wait (cond=0x7fab8a7fb8e0, mutex=0x7fab8a7fb8b8) at pthread_cond_wait.c:655
#3  0x00007fabdf463a49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf464478 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf46450f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427af4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab8a7fc700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fab8affd700 (LWP 3496)):
#0  0x00007fabf51706ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fabf5172474 in ___fprintf_chk (fp=0x7fabf542d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fabd4ca76a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fabd4c8f9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fabd4c8fb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fabd4c9146c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fabd4c87114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fabdf469c79 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4042db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdedcb514 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf436468 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fabea6676db in start_thread (arg=0x7fab8affd700) at pthread_create.c:463
#12 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fab8b7fe700 (LWP 3495)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab8b7fd710, expected=0, futex_word=0x7fab8b7fd8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab8b7fd7b0, mutex=0x7fab8b7fd8a8, cond=0x7fab8b7fd8d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab8b7fd8d0, mutex=0x7fab8b7fd8a8, abstime=0x7fab8b7fd7b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4277f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab8b7fe700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fab8bfff700 (LWP 3494)):
#0  0x00007fabea66ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fab8bffe710, expected=0, futex_word=0x7fab8bffe8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fabea66ded9 in __pthread_cond_wait_common (abstime=0x7fab8bffe7b0, mutex=0x7fab8bffe8a8, cond=0x7fab8bffe8d0) at pthread_cond_wait.c:533
#2  0x00007fabea66ded9 in __pthread_cond_timedwait (cond=0x7fab8bffe8d0, mutex=0x7fab8bffe8a8, abstime=0x7fab8bffe7b0) at pthread_cond_wait.c:667
#3  0x00007fabdf463b17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fabdf46446a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fabdf464552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fabdf424fb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4274c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf427ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab8bfff700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fab98eac700 (LWP 3493)):
#0  0x00007fabf50f1646 in __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:120
#1  0x00007fabf509d4d3 in _IO_vfprintf_internal (s=0x7fab98ea8b20, format=0x7fabd4ca76a8 "[%s] %s\n", ap=0x7fab98eab1e0) at vfprintf.c:1643
#2  0x00007fabf509e680 in buffered_vfprintf (s=s@entry=0x7fabf542c680 <_IO_2_1_stderr_>, format=format@entry=0x7fabd4ca76a8 "[%s] %s\n", args=args@entry=0x7fab98eab1e0) at vfprintf.c:2329
#3  0x00007fabf509b726 in _IO_vfprintf_internal (s=s@entry=0x7fabf542c680 <_IO_2_1_stderr_>, format=0x7fabd4ca76a8 "[%s] %s\n", ap=ap@entry=0x7fab98eab1e0) at vfprintf.c:1301
#4  0x00007fabf51724c6 in ___fprintf_chk (fp=0x7fabf542c680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#5  0x00007fabd4c8f9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fabd4c8fb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007fabd4c9146c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fabd4c87114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007fabdf469db4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabdf4042db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fabdf42b544 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fabdf436468 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fabea6676db in start_thread (arg=0x7fab98eac700) at pthread_create.c:463
#15 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fab996ad700 (LWP 3492)):
#0  0x00007fabf51706ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fabf5172474 in ___fprintf_chk (fp=0x7fabf542d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fabd4ca76a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fabd4c8f9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fabd4c8fb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fabd4c9146c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fabd4c87114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fabdf469c79 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fabdf4042db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fabdf436311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fabdf466561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fabea6676db in start_thread (arg=0x7fab996ad700) at pthread_create.c:463
#11 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fab9bf47700 (LWP 3483)):
#0  0x00007fabf5154bf9 in __GI___poll (fds=0x7fab940049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fabe87745c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabe87746dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabf5aa5dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab94000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab9bf469e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fabf586e4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x55eded533460) at thread/qthread_unix.cpp:361
#7  0x00007fabea6676db in start_thread (arg=0x7fab9bf47700) at pthread_create.c:463
#8  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7faba7fff700 (LWP 3465)):
#0  0x00007fabf5154bf9 in __GI___poll (fds=0x7faba005c6e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fabe87745c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabe87746dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabf5aa5dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faba0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faba7ffe9e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fabf586e4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x55edec15ad80) at thread/qthread_unix.cpp:361
#7  0x00007fabea6676db in start_thread (arg=0x7faba7fff700) at pthread_create.c:463
#8  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fabb4a67700 (LWP 3464)):
#0  0x00007fabf5154bf9 in __GI___poll (fds=0x7fabac003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fabe87745c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabe87746dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabf5aa5dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabac000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabb4a669e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fabf586e4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x55edec2e0a80) at thread/qthread_unix.cpp:361
#7  0x00007fabea6676db in start_thread (arg=0x7fabb4a67700) at pthread_create.c:463
#8  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fabb5917700 (LWP 3463)):
#0  0x00007fabf5154bf9 in __GI___poll (fds=0x7faba8004a10, nfds=1, timeout=4641) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fabe87745c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabe87746dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabf5aa5dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faba8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabb59169e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fabf586e4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x55edec2f1730) at thread/qthread_unix.cpp:361
#7  0x00007fabea6676db in start_thread (arg=0x7fabb5917700) at pthread_create.c:463
#8  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fabbc80f700 (LWP 3461)):
#0  0x00007fabf5aa5c87 in postEventSourcePrepare(GSource*, gint*) (s=0x7fabb0004ba0, timeout=0x7fabbc80e7e4) at kernel/qeventdispatcher_glib.cpp:251
#1  0x00007fabe8773b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabe87744fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabe87746dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fabf5aa5dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabb0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabbc80e9b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007fabf586e4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007fabf3e36015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x7fabf40add80) at thread/qthread_unix.cpp:361
#9  0x00007fabea6676db in start_thread (arg=0x7fabbc80f700) at pthread_create.c:463
#10 0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fabbf127700 (LWP 3460)):
#0  0x00007fabf5154bf9 in __GI___poll (fds=0x7fabbf1268e8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fabe7b93747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fabe7b9536a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fabc12a3578 in QXcbEventQueue::run() (this=0x55edec101aa0) at qxcbeventqueue.cpp:228
#4  0x00007fabf586fc72 in QThreadPrivate::start(void*) (arg=0x55edec101aa0) at thread/qthread_unix.cpp:361
#5  0x00007fabea6676db in start_thread (arg=0x7fabbf127700) at pthread_create.c:463
#6  0x00007fabf516188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fabf8154bc0 (LWP 3459)):
[KCrash Handler]
#6  0x00007fabf507ee97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007fabf5080801 in __GI_abort () at abort.c:79
#8  0x00007fabf584bf2b in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1901
#9  0x00007fabf584bf2b in QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7ffc4bf53fa0, msg=msg@entry=0x7fabe6416c8f "%s") at global/qlogging.cpp:887
#10 0x00007fabe6412b10 in QQuickWidgetPrivate::handleContextCreationFailure(QSurfaceFormat const&, bool) (this=this@entry=0x7fabac070d50, format=..., isEs=isEs@entry=false) at qquickwidget.cpp:850
#11 0x00007fabe6412e2a in QQuickWidgetPrivate::createContext() (this=this@entry=0x7fabac070d50) at qquickwidget.cpp:881
#12 0x00007fabe641506e in QQuickWidget::resizeEvent(QResizeEvent*) (this=0x55eded7a1540, e=<optimized out>) at qquickwidget.cpp:1216
#13 0x00007fabe48293bd in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#14 0x00007fabf688d572 in QWidget::event(QEvent*) (this=this@entry=0x55eded7a1540, event=event@entry=0x7ffc4bf545a0) at kernel/qwidget.cpp:9106
#15 0x00007fabe6415dbb in QQuickWidget::event(QEvent*) (this=0x55eded7a1540, e=0x7ffc4bf545a0) at qquickwidget.cpp:1525
#16 0x00007fabe4829740 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#17 0x00007fabf684c65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55edec09ee80, receiver=receiver@entry=0x55eded7a1540, e=e@entry=0x7ffc4bf545a0) at kernel/qapplication.cpp:3736
#18 0x00007fabf6853b90 in QApplication::notify(QObject*, QEvent*) (this=0x7ffc4bf55e70, receiver=0x55eded7a1540, e=0x7ffc4bf545a0) at kernel/qapplication.cpp:3483
#19 0x00007fabf5a48d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55eded7a1540, event=0x7ffc4bf545a0) at kernel/qcoreapplication.cpp:1060
#20 0x00007fabf5a48eee in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=receiver@entry=0x55eded7a1540, event=event@entry=0x7ffc4bf545a0) at kernel/qcoreapplication.cpp:1450
#21 0x00007fabf6885506 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) (this=this@entry=0x7fabac070d50, recursive=recursive@entry=false, disableUpdates=<optimized out>, disableUpdates@entry=false) at kernel/qwidget.cpp:7967
#22 0x00007fabf6889383 in QWidgetPrivate::show_helper() (this=0x7fabac070d50) at kernel/qwidget.cpp:8018
#23 0x00007fabf68891f1 in QWidgetPrivate::show_recursive() (this=<optimized out>) at kernel/qwidget.cpp:7948
#24 0x00007fabf688929e in QWidgetPrivate::showChildren(bool) (this=this@entry=0x55eded68ab00, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8457
#25 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=0x55eded68ab00) at kernel/qwidget.cpp:8024
#26 0x00007fabf68891f1 in QWidgetPrivate::show_recursive() (this=<optimized out>) at kernel/qwidget.cpp:7948
#27 0x00007fabf688929e in QWidgetPrivate::showChildren(bool) (this=this@entry=0x55eded5d9cb0, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8457
#28 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=this@entry=0x55eded5d9cb0) at kernel/qwidget.cpp:8024
#29 0x00007fabf688c523 in QWidgetPrivate::setVisible(bool) (this=0x55eded5d9cb0, visible=<optimized out>) at kernel/qwidget.cpp:8381
#30 0x00007fabf68892f0 in QWidgetPrivate::showChildren(bool) (this=this@entry=0x55eded61eb90, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8459
#31 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=this@entry=0x55eded61eb90) at kernel/qwidget.cpp:8024
#32 0x00007fabf688c523 in QWidgetPrivate::setVisible(bool) (this=0x55eded61eb90, visible=<optimized out>) at kernel/qwidget.cpp:8381
#33 0x00007fabf68892f0 in QWidgetPrivate::showChildren(bool) (this=this@entry=0x55eded571cb0, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8459
#34 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=this@entry=0x55eded571cb0) at kernel/qwidget.cpp:8024
#35 0x00007fabf688c523 in QWidgetPrivate::setVisible(bool) (this=0x55eded571cb0, visible=<optimized out>) at kernel/qwidget.cpp:8381
#36 0x00007fabf68892f0 in QWidgetPrivate::showChildren(bool) (this=this@entry=0x7fabac03df70, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8459
#37 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=this@entry=0x7fabac03df70) at kernel/qwidget.cpp:8024
#38 0x00007fabf688c523 in QWidgetPrivate::setVisible(bool) (this=0x7fabac03df70, visible=<optimized out>) at kernel/qwidget.cpp:8381
#39 0x00007fabf68892f0 in QWidgetPrivate::showChildren(bool) (this=this@entry=0x55eded5f0a20, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8459
#40 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=this@entry=0x55eded5f0a20) at kernel/qwidget.cpp:8024
#41 0x00007fabf688c523 in QWidgetPrivate::setVisible(bool) (this=0x55eded5f0a20, visible=<optimized out>) at kernel/qwidget.cpp:8381
#42 0x00007fabf68892f0 in QWidgetPrivate::showChildren(bool) (this=this@entry=0x7faba0002c00, spontaneous=spontaneous@entry=false) at kernel/qwidget.cpp:8459
#43 0x00007fabf688939f in QWidgetPrivate::show_helper() (this=this@entry=0x7faba0002c00) at kernel/qwidget.cpp:8024
#44 0x00007fabf688c523 in QWidgetPrivate::setVisible(bool) (this=0x7faba0002c00, visible=<optimized out>) at kernel/qwidget.cpp:8381
#45 0x00007fabf79ee116 in KMMainWidget::slotItemsFetchedForActivation(KMCommand*) () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#46 0x00007fabf5a7898f in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc4bf55020, r=0x55edec2dc940, this=0x55eded84a690) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#47 0x00007fabf5a7898f in QMetaObject::activate(QObject*, int, int, void**) (sender=0x55eded616bd0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3776
#48 0x00007fabf7b00142 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#49 0x00007fabf79d204b in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#50 0x00007fabf5a7898f in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc4bf551b0, r=0x55eded616bd0, this=0x55eded84a740) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#51 0x00007fabf5a7898f in QMetaObject::activate(QObject*, int, int, void**) (sender=0x55eded616bd0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3776
#52 0x00007fabf7b000de in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#53 0x00007fabf79d7899 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#54 0x00007fabf5a7898f in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc4bf55360, r=0x55eded616bd0, this=0x55eded84e440) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#55 0x00007fabf5a7898f in QMetaObject::activate(QObject*, int, int, void**) (sender=0x55eded84d150, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3776
#56 0x00007fabf6f8c75c in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#57 0x00007fabf6f8d291 in KJob::finishJob(bool) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#58 0x00007fabf5a85804 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffc4bf553c0, r=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#59 0x00007fabf5a85804 in QSingleShotTimer::timerEvent(QTimerEvent*) (this=0x55eded6204e0) at kernel/qtimer.cpp:318
#60 0x00007fabf5a7939b in QObject::event(QEvent*) (this=0x55eded6204e0, e=<optimized out>) at kernel/qobject.cpp:1282
#61 0x00007fabf684c65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55edec09ee80, receiver=receiver@entry=0x55eded6204e0, e=e@entry=0x7ffc4bf55700) at kernel/qapplication.cpp:3736
#62 0x00007fabf6853b90 in QApplication::notify(QObject*, QEvent*) (this=0x7ffc4bf55e70, receiver=0x55eded6204e0, e=0x7ffc4bf55700) at kernel/qapplication.cpp:3483
#63 0x00007fabf5a48d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55eded6204e0, event=0x7ffc4bf55700) at kernel/qcoreapplication.cpp:1060
#64 0x00007fabf5aa5219 in QTimerInfoList::activateTimers() (this=0x55edec1aca40) at kernel/qtimerinfo_unix.cpp:643
#65 0x00007fabf5aa59e1 in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#66 0x00007fabe8774417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#67 0x00007fabe8774650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007fabe87746dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007fabf5aa5daf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55edec1ade30, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#70 0x00007fabf5a4703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc4bf55950, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#71 0x00007fabf5a50170 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1363
#72 0x000055edebe5e8b0 in  ()
#73 0x00007fabf5061b97 in __libc_start_main (main=0x55edebe5d810, argc=3, argv=0x7ffc4bf560a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc4bf56098) at ../csu/libc-start.c:310
#74 0x000055edebe5e9da in  ()

Possible duplicates by query: bug 401442, bug 392092, bug 382229, bug 377996, bug 376420.

Reported using DrKonqi