Application: kdeinit5 (5.0.97)

Qt Version: 5.9.2
Frameworks Version: 5.37.0
Operating System: Linux 4.14.0-kali3-amd64 x86_64
Distribution: Kali GNU/Linux Rolling

-- Information about the crash:
I rebooted my system and received kdeinit5 signal aborted error in the Konqueror crash report screen

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb7c3e63780 (LWP 1738))]

Thread 21 (Thread 0x7fb72e7fc700 (LWP 1958)):
#0  0x00007fb7c1f8646b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7c1f88134 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb792cf2a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fb792cf2c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fb792cf4588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fb792cea329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fb794e0e389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb794e3ed96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7fb72effd700 (LWP 1957)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb794e3ed96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7fb72f7fe700 (LWP 1956)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e3d555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e3da37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e3e7d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7fb72ffff700 (LWP 1955)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e3d555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e3da37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e3e7d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7fb75cff9700 (LWP 1954)):
#0  0x00007fb7c1f6a908 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7b45c6a31 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fb7b4a4dc5e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fb7b4a4e6d0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fb7b4a4e790 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fb7b4a5c5f9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fb7b45f5c58 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7fb75d7fa700 (LWP 1953)):
#0  0x00007fb7c0408b0c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e6bfa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e331be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dddb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb794e3ed96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7fb75dffb700 (LWP 1952)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb7955c0f50 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e3e7d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7fb75e7fc700 (LWP 1951)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb794e3ed96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7fb75effd700 (LWP 1950)):
#0  0x00007fb7c1f8646b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7c1f88134 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb792cf2a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fb792cf2c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fb792cf4588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fb792cea329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fb794e0e4c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb7946c42c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb7946c487b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fb794e3ee48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7fb75f7fe700 (LWP 1949)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb7946c4218 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb7946c486b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e3ee48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7fb75ffff700 (LWP 1948)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb7946c4168 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb7946c485b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e3ee48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7fb77cff9700 (LWP 1947)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb7946c40b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb7946c484b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e3ee48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7fb77d7fa700 (LWP 1946)):
#0  0x00007fb7c1f6a9ab in write () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7c1efccfd in _IO_file_write () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb7c1efbfdf in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007fb7c1efd4be in _IO_file_xsputn () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007fb7c1ed3adb in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007fb7c1ed0e4e in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007fb7c1f88186 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007fb792cf2a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fb792cf2c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007fb792cf4588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007fb792cea329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007fb794e0e389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fb7946c4008 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fb7946c483b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fb794e3ee48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#19 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7fb77dffb700 (LWP 1945)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb7946c3f58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb7946c482b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e3ee48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7fb77e7fc700 (LWP 1944)):
#0  0x00007fb7c0408b0c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e6bfa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e42059 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e425bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7fb77effd700 (LWP 1943)):
#0  0x00007fb7c0408b0c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e6bfa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e42059 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e425bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7fb77f7fe700 (LWP 1942)):
#0  0x00007fb7c04087dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fb794e33239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fb794e33267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fb794e0dd8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fb794e3ed96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7fb77ffff700 (LWP 1941)):
#0  0x00007fb7c1f8646b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7c1f88134 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb792cf2a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fb792cf2c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fb792cf4588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fb792cea329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fb794e0e3dd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fb794e0a658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fb794e2709b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fb794e3ed96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fb794e3ae9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7fb7a329f700 (LWP 1835)):
#0  0x00007fb7c1f6ee6b in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7be5c1119 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb7be5c122c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb7c251d10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb7c24c22aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb7c22e135a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb7ba3bce45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fb7c22e622d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fb7acf00700 (LWP 1775)):
#0  0x00007fb7c1f6ee6b in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fb7c32e7150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb7c32e8ee9 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb7af063029 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fb7c22e622d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb7c040251a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fb7c1f793ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7fb7c3e63780 (LWP 1738)):
[KCrash Handler]
#6  0x00007fb7b1f3b058 in KonqView::url() const () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#7  0x00007fb7b1f70867 in KonqMainWindow::isPreloaded() const () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#8  0x00007fb7b1fa5ed9 in KonqSessionManager::saveCurrentSessionToFile(KConfig*, QList<KonqMainWindow*> const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#9  0x00007fb7b1fa6185 in KonqSessionManager::autoSaveSession() () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#10 0x00007fb7c24f2d55 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb7c24ff827 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fb7c24ffb88 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fb7c24f387b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fb7c097059c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fb7c0977e64 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fb7c24c4258 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fb7c251c58e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fb7c251cd51 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fb7be5c0f67 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb7be5c11a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb7be5c122c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb7c251d0ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fb7c2a1cc18 in QGuiApplication::sync() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007fb79a2b69ed in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007fb79447aee8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007fb7944a689b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007fb79449dabb in QtWebEngineCore::WebContentsAdapter::load(QWebEngineHttpRequest const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007fb79449e12e in QtWebEngineCore::WebContentsAdapter::load(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007fb79a4f4e0b in ?? () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#30 0x00007fb79a4eb231 in WebEnginePart::openUrl(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#31 0x00007fb79a4f31ac in WebEngineBrowserExtension::restoreState(QDataStream&) () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#32 0x00007fb7b1f43359 in KonqView::restoreHistory() () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#33 0x00007fb7b1f43bf6 in KonqView::loadHistoryConfig(KConfigGroup const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#34 0x00007fb7b1f4822b in KonqViewManager::loadItem(KConfigGroup const&, KonqFrameContainerBase*, QString const&, QUrl const&, bool, QUrl const&, QString const&, bool, int) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#35 0x00007fb7b1f48871 in KonqViewManager::loadItem(KConfigGroup const&, KonqFrameContainerBase*, QString const&, QUrl const&, bool, QUrl const&, QString const&, bool, int) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#36 0x00007fb7b1f49260 in KonqViewManager::loadRootItem(KConfigGroup const&, KonqFrameContainerBase*, QUrl const&, bool, QUrl const&, QString const&, bool, int) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#37 0x00007fb7b1f4a7c3 in KonqViewManager::loadViewConfigFromGroup(KConfigGroup const&, QString const&, QUrl const&, KonqOpenURLRequest const&, bool) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#38 0x00007fb7b1f81fe0 in KonqMainWindow::readProperties(KConfigGroup const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#39 0x00007fb7b86bd378 in KMainWindow::readPropertiesInternal(KConfig*, int) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#40 0x00007fb7b86bd3c2 in KMainWindow::restore(int, bool) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#41 0x00007fb7b1fb65af in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#42 0x0000562590bb269d in ?? ()
#43 0x0000562590bb3c8b in ?? ()
#44 0x0000562590bb451b in ?? ()
#45 0x0000562590baf00c in ?? ()
#46 0x00007fb7c1ea4f2a in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#47 0x0000562590bafc7a in _start ()

Reported using DrKonqi