Application: kdeinit5 (5.0.97)

Qt Version: 5.9.2
Frameworks Version: 5.37.0
Operating System: Linux 4.14.0-3-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed: I was just login when konkeror crash. Each time I log in, konkeror crash.

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 0x7f149d20a780 (LWP 1685))]

Thread 21 (Thread 0x7f1411ffb700 (LWP 1962)):
#0  0x00007f149b32546b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f149b327134 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f1469cb6a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f1469cb6c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f1469cb8588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f1469cae329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f146bdd2389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146be02d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7f14127fc700 (LWP 1961)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f149c6863c7 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f149c687c0f in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f149c687d22 in xcb_wait_for_reply () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f148431093a in ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#5  0x00007f148430a667 in ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#6  0x00007f146f00dd85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146b565505 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146b566804 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146ed69098 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f146be02e25 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7f1412ffd700 (LWP 1960)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146be01555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146be01a37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146be027d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7f14137fe700 (LWP 1959)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146be01555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146be01a37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146be027d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7f1417fff700 (LWP 1958)):
#0  0x00007f149b309908 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f148d9a3a31 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f148de2ac5e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f148de2b6d0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f148de2b790 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f148de395f9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f148d9d2c58 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7f1434ff9700 (LWP 1957)):
#0  0x00007f14997a0b2c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146be2ffa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf71be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1ddb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146be02d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7f14357fa700 (LWP 1956)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146c584f50 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146be027d1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7f1435ffb700 (LWP 1955)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146bdf7239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf7267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146be02d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7f14367fc700 (LWP 1954)):
#0  0x00007f149b3099ab in write () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f149b29bcfd in _IO_file_write () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f149b29afdf in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007f149b29c4be in _IO_file_xsputn () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007f149b272adb in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007f149b26fe4e in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f149b327186 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007f1469cb6a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f1469cb6c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f1469cb8588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f1469cae329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f146bdd24c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f146b6882c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f146b68887b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f146be02e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#19 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7f1436ffd700 (LWP 1953)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146bdf7239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf7267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146b688218 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146b68886b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146be02e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7f14377fe700 (LWP 1952)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146bdf7239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf7267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146b688168 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146b68885b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146be02e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7f1437fff700 (LWP 1951)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146bdf7239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf7267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146b6880b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146b68884b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146be02e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7f1458ad0700 (LWP 1950)):
#0  0x00007f149b32546b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f149b327134 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f1469cb6a5a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f1469cb6c34 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f1469cb8588 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f1469cae329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f146bdd2389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146b688008 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f146b68883b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f146be02e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f14592d1700 (LWP 1949)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146bdf7239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf7267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146b687f58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146b68882b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f146be02e48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f1459ad2700 (LWP 1948)):
#0  0x00007f14997a0b2c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146be2ffa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146be06059 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146be065bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f145a2d3700 (LWP 1947)):
#0  0x00007f14997a0b2c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146be2ffa2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146be06059 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146be065bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f145aad4700 (LWP 1946)):
#0  0x00007f14997a07fd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f146bdf7239 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f146bdf7267 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f146bdd1d8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146be02d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f145b2d5700 (LWP 1945)):
#0  0x00007f149b318556 in epoll_pwait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f1469cb8408 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007f1469cae329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f146bdd2389 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f146bdce658 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f146bdeb09b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f146be02d96 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f146bdfee9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f147c675700 (LWP 1735)):
#0  0x00007f149b30de6b in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f1497958119 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f149795822c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f149b8bc10b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f149b8612aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f149b68035a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1493799e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f149b68522d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f14862dd700 (LWP 1692)):
#0  0x00007f149b30de6b in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f149c686150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f149c687ee9 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1488440029 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f149b68522d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f149979a51a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f149b3183ef in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f149d20a780 (LWP 1685)):
[KCrash Handler]
#6  0x00007f148b318058 in KonqView::url() const () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#7  0x00007f148b34d867 in KonqMainWindow::isPreloaded() const () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#8  0x00007f148b382ed9 in KonqSessionManager::saveCurrentSessionToFile(KConfig*, QList<KonqMainWindow*> const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#9  0x00007f148b383185 in KonqSessionManager::autoSaveSession() () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#10 0x00007f149b891d55 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f149b89e827 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f149b89eb88 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f149b89287b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f1499d0863c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f1499d0ff04 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f149b863258 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f149b8bb58e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f149b8bbd51 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f1497957f67 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f14979581a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f149795822c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f149b8bc0ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f149bdbbc18 in QGuiApplication::sync() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007f147127a9ed in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007f146b43eee8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f146b46a89b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007f146b461abb in QtWebEngineCore::WebContentsAdapter::load(QWebEngineHttpRequest const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007f146b46212e in QtWebEngineCore::WebContentsAdapter::load(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007f14714b8e0b in ?? () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#30 0x00007f14714af231 in WebEnginePart::openUrl(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#31 0x00007f14714b71ac in WebEngineBrowserExtension::restoreState(QDataStream&) () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#32 0x00007f148b320359 in KonqView::restoreHistory() () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#33 0x00007f148b320bf6 in KonqView::loadHistoryConfig(KConfigGroup const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#34 0x00007f148b32522b 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 0x00007f148b325871 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 0x00007f148b326260 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 0x00007f148b3277c3 in KonqViewManager::loadViewConfigFromGroup(KConfigGroup const&, QString const&, QUrl const&, KonqOpenURLRequest const&, bool) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#38 0x00007f148b35efe0 in KonqMainWindow::readProperties(KConfigGroup const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#39 0x00007f1491a9a378 in KMainWindow::readPropertiesInternal(KConfig*, int) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#40 0x00007f1491a9a3c2 in KMainWindow::restore(int, bool) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#41 0x00007f148b3935af in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#42 0x000055d71919169d in ?? ()
#43 0x000055d719192c8b in ?? ()
#44 0x000055d71919351b in ?? ()
#45 0x000055d71918e00c in ?? ()
#46 0x00007f149b243f2a in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#47 0x000055d71918ec7a in _start ()

Reported using DrKonqi