Bug 412606 - kmail segmentation fault after having clicked on a mailto:sales@company.com link in firefox or chrome browser as long as kmail is not already running.
Summary: kmail segmentation fault after having clicked on a mailto:sales@company.com l...
Status: RESOLVED WORKSFORME
Alias: None
Product: kmail2
Classification: Applications
Component: general (show other bugs)
Version: 5.12.1
Platform: Neon Linux
: NOR crash
Target Milestone: ---
Assignee: kdepim bugs
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2019-10-04 15:46 UTC by Nick
Modified: 2022-10-27 05:05 UTC (History)
0 users

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Latest Commit:
Version Fixed In:

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Description Nick 2019-10-04 15:46:48 UTC 
Application: kmail (5.12.1)

Qt Version: 5.12.3
Frameworks Version: 5.62.0
Operating System: Linux 4.15.0-65-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
Was using the Firefox browser and clicked on a link on a web page "sales@company.com". A dialogue box opens with a list of possible applications to use of which kmail was one of them. I highlighted kmail, clicked the 'open link' button and kmail crashed with a segmentation fault. 100% reproducable.

The kmail segmentation fault also happens if I use the Chrome browser.

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 0x7f2188adcbc0 (LWP 2957))]

Thread 20 (Thread 0x7f211a7fc700 (LWP 3004)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f211a7fb908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f211a7fb8b8, cond=0x7f211a7fb8e0) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x7f211a7fb8e0, mutex=0x7f211a7fb8b8) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd478 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd50f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890b34 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f211a7fc700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f211affd700 (LWP 3003)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2db4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a689f311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f211affd700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f211b7fe700 (LWP 3001)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f211b7fd710, expected=0, futex_word=0x7f211b7fd8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f211b7fd7b0, mutex=0x7f211b7fd8a8, cond=0x7f211b7fd8d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f211b7fd8d0, mutex=0x7f211b7fd8a8, abstime=0x7f211b7fd7b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68904c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f211b7fe700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f211bfff700 (LWP 3000)):
#0  0x00007f21bc466bf9 in __GI___poll (fds=0x7f2114007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f219ec23481 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f219ec14e40 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f219ec154d0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f219ec15560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f219ec233c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f21969cc318 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f21bc13a6db in start_thread (arg=0x7f211bfff700) at pthread_create.c:463
#8  0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f214cff9700 (LWP 2999)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2ccd in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a689f311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214cff9700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f214d7fa700 (LWP 2998)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f214d7f98c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f214d7f9878, cond=0x7f214d7f98a0) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x7f214d7f98a0, mutex=0x7f214d7f9878) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd478 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd50f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a684ba6f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a689f311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214d7fa700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f214dffb700 (LWP 2997)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f214dffa700, expected=0, futex_word=0x7f214dffa8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f214dffa7a0, mutex=0x7f214dffa898, cond=0x7f214dffa8c0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f214dffa8c0, mutex=0x7f214dffa898, abstime=0x7f214dffa7a0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a684ba80 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a689f311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21bc13a6db in start_thread (arg=0x7f214dffb700) at pthread_create.c:463
#10 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f214e7fc700 (LWP 2996)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55aa303a9f88) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55aa303a9ec8, cond=0x55aa303a9f60) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x55aa303a9f60, mutex=0x55aa303a9ec8) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a7185178 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68a07df in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21bc13a6db in start_thread (arg=0x7f214e7fc700) at pthread_create.c:463
#8  0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f214effd700 (LWP 2995)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f214effc908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f214effc8b8, cond=0x7f214effc8e0) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x7f214effc8e0, mutex=0x7f214effc8b8) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd478 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd50f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890af4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214effd700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f214f7fe700 (LWP 2994)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2c79 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6234514 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a689f468 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21bc13a6db in start_thread (arg=0x7f214f7fe700) at pthread_create.c:463
#12 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f214ffff700 (LWP 2993)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f214fffe710, expected=0, futex_word=0x7f214fffe8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f214fffe7b0, mutex=0x7f214fffe8a8, cond=0x7f214fffe8d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f214fffe8d0, mutex=0x7f214fffe8a8, abstime=0x7f214fffe7b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214ffff700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f215cff9700 (LWP 2992)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f215cff8710, expected=0, futex_word=0x7f215cff88f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f215cff87b0, mutex=0x7f215cff88a8, cond=0x7f215cff88d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f215cff88d0, mutex=0x7f215cff88a8, abstime=0x7f215cff87b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f215cff9700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f215d7fa700 (LWP 2991)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f215d7f9710, expected=0, futex_word=0x7f215d7f98f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f215d7f97b0, mutex=0x7f215d7f98a8, cond=0x7f215d7f98d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f215d7f98d0, mutex=0x7f215d7f98a8, abstime=0x7f215d7f97b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f215d7fa700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f215dffb700 (LWP 2990)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f215dffa710, expected=0, futex_word=0x7f215dffa8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f215dffa7b0, mutex=0x7f215dffa8a8, cond=0x7f215dffa8d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f215dffa8d0, mutex=0x7f215dffa8a8, abstime=0x7f215dffa7b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68904c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f215dffb700) at pthread_create.c:463
#11 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f215e7fc700 (LWP 2989)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2db4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6894544 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a689f468 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21bc13a6db in start_thread (arg=0x7f215e7fc700) at pthread_create.c:463
#12 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f215f7fe700 (LWP 2987)):
#0  0x00007f21bc3e0420 in __GI__IO_default_xsputn (f=0x7f215f7fab40, data=0x7f219c1ac6a8, n=1) at genops.c:392
#1  0x00007f21bc3ad534 in _IO_vfprintf_internal (s=0x7f215f7fab40, format=0x7f219c1ac6a8 "[%s] %s\n", ap=0x7f215f7fd200) at vfprintf.c:1328
#2  0x00007f21bc3b0680 in buffered_vfprintf (s=s@entry=0x7f21bc73e680 <_IO_2_1_stderr_>, format=format@entry=0x7f219c1ac6a8 "[%s] %s\n", args=args@entry=0x7f215f7fd200) at vfprintf.c:2329
#3  0x00007f21bc3ad726 in _IO_vfprintf_internal (s=s@entry=0x7f21bc73e680 <_IO_2_1_stderr_>, format=0x7f219c1ac6a8 "[%s] %s\n", ap=ap@entry=0x7f215f7fd200) at vfprintf.c:1301
#4  0x00007f21bc4844c6 in ___fprintf_chk (fp=0x7f21bc73e680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#5  0x00007f219c1949ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f219c194b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f219c18c114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f21a68d2ccd in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a686d2db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21a689f311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f21a68cf561 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f21bc13a6db in start_thread (arg=0x7f215f7fe700) at pthread_create.c:463
#14 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f2177fff700 (LWP 2961)):
#0  0x00007f21bc466bf9 in __GI___poll (fds=0x7f2170004a10, nfds=1, timeout=9505) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f21afb755c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f21afb756dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f21bcda9dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2170000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f21bcd4b03a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2177ffe9e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f21bcb724ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f21bcb73c72 in QThreadPrivate::start(void*) (arg=0x55aa30230c00) at thread/qthread_unix.cpp:361
#7  0x00007f21bc13a6db in start_thread (arg=0x7f2177fff700) at pthread_create.c:463
#8  0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f217d613700 (LWP 2960)):
#0  0x00007f21bf2db597 in _dl_update_slotinfo (req_modid=2) at ../elf/dl-tls.c:643
#1  0x00007f21bf2db87c in update_get_addr (ti=0x7f21bd1fb670) at ../elf/dl-tls.c:799
#2  0x00007f21bf2e1a28 in __tls_get_addr () at ../sysdeps/x86_64/tls_get_addr.S:55
#3  0x00007f21bcb72c26 in get_thread_data () at thread/qthread_unix.cpp:184
#4  0x00007f21bcb72c26 in QThreadData::current(bool) (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:239
#5  0x00007f21bcda9caa in postEventSourcePrepare(GSource*, gint*) (s=0x7f2178004ba0, timeout=0x7f217d6127e4) at kernel/qeventdispatcher_glib.cpp:252
#6  0x00007f21afb74b28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f21afb754fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f21afb756dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f21bcda9dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2178000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#10 0x00007f21bcd4b03a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f217d6129b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#11 0x00007f21bcb724ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#12 0x00007f21bad3a015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007f21bcb73c72 in QThreadPrivate::start(void*) (arg=0x7f21bafb1d80) at thread/qthread_unix.cpp:361
#14 0x00007f21bc13a6db in start_thread (arg=0x7f217d613700) at pthread_create.c:463
#15 0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2186194700 (LWP 2959)):
#0  0x00007f21bc466bf9 in __GI___poll (fds=0x7f21861938e8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f21aefa1747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f21aefa336a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f21882e3578 in QXcbEventQueue::run() (this=0x55aa2fdbdfd0) at qxcbeventqueue.cpp:228
#4  0x00007f21bcb73c72 in QThreadPrivate::start(void*) (arg=0x55aa2fdbdfd0) at thread/qthread_unix.cpp:361
#5  0x00007f21bc13a6db in start_thread (arg=0x7f2186194700) at pthread_create.c:463
#6  0x00007f21bc47388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2188adcbc0 (LWP 2957)):
[KCrash Handler]
#6  0x00007f21abc6db5b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#7  0x00007f21abc7e311 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#8  0x00007f21abc7e369 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#9  0x00007f21a4d2687b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a4d269c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21a657e90b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f21a656de76 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f21a636dcf1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f21a63abaa1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f21a63ac571 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f21a63bd9a0 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f21a637181b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f21a636d13b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007f21a668792f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007f21a6687bf1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007f21a4d3bfb7 in QtWebEngineCore::WebContentsAdapter::~WebContentsAdapter() () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007f21abc73a2a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#23 0x00007f21abc73ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#24 0x00007f21abc6aa1a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007f21a4d16c2e in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f21a4d16f41 in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007f21a4d4b934 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007f21a4d4bac5 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007f21bcd4f082 in qt_call_post_routines() () at kernel/qcoreapplication.cpp:350
#30 0x00007f21bdb48d26 in QApplication::~QApplication() (this=0x7ffc15c707f0, __in_chrg=<optimized out>) at kernel/qapplication.cpp:795
#31 0x000055aa2fa4e804 in  ()
#32 0x00007f21bc373b97 in __libc_start_main (main=0x55aa2fa4d810, argc=2, argv=0x7ffc15c70a28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc15c70a18) at ../csu/libc-start.c:310
#33 0x000055aa2fa4e9da in  ()

Reported using DrKonqi
Comment 1 Nick 2019-10-04 15:51:00 UTC 
Important note. If kmail is already running you won't get a segmentation fault. You need to close all instances of kmail and then click on a mailto: link in a webpage.
Comment 2 Justin Zobel 2022-09-27 08:23:53 UTC 
Thank you for reporting this crash in KDE software. As it has been a while since this issue was reported, can we please ask you to see if you can reproduce the crash with a recent software version?

If you can reproduce the issue, please change the status to "CONFIRMED" when replying. Thank you!
Comment 3 Bug Janitor Service 2022-10-12 04:55:03 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 4 Bug Janitor Service 2022-10-27 05:05:23 UTC 
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!