Bug 410467

Summary: Kate with turned on preview crashes after closing two files displayed in preview
Product: [Applications] kate Reporter: Piotr Mierzwinski <piotr.mierzwinski>
Component: plugin-previewAssignee: KWrite Developers <kwrite-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash CC: christoph, piotr.mierzwinski
Priority: NOR Keywords: drkonqi
Version First Reported In: 19.04.3   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Piotr Mierzwinski 2019-07-31 18:25:37 UTC 
Application: kate (19.04.3)

Qt Version: 5.13.0
Frameworks Version: 5.60.0
Operating System: Linux 5.2.4-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

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

I run Kate with preview turned on.
Opened .md file, but in preview I got info "No preview available".
Opened .ui file and got preview for this file. Switched into .md file and this time got preview.
I closed .ui file and .md file. Notice that in preview still was displyed rendered .md file.
I closed application and it immediately crashed.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe5e2f23c80 (LWP 8720))]

Thread 14 (Thread 0x7fe5b9368700 (LWP 9054)):
#0  0x00007fe5e61d277c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c996 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c418d983 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c418db01 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c4196811 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5c4197e12 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe5c4198564 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fe57a7fc700 (LWP 8928)):
#0  0x00007fe5e61d2415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c89c in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c418d990 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c418dabf in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c41967e6 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5c4198171 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe5c41985a4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fe57b7fe700 (LWP 8912)):
#0  0x00007fe5e61d2415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c89c in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c418d990 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c418dabf in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c41967e6 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5c4198171 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe5c41985e4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fe57bfff700 (LWP 8911)):
#0  0x00007fe5e74ea18c in read () at /usr/lib/libc.so.6
#1  0x00007fe5bccb5782 in pa_read () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#2  0x00007fe5bd13c55f in pa_mainloop_prepare () at /usr/lib/libpulse.so.0
#3  0x00007fe5bd13cfd1 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fe5bd13d091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fe5bd14b5ae in  () at /usr/lib/libpulse.so.0
#6  0x00007fe5bcce59fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#7  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fe5b17fa700 (LWP 8909)):
#0  0x00007fe5e61d2415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c89c in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c418d990 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c418dabf in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c410128e in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5c4121a27 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe5c415b3ef in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fe5b1ffb700 (LWP 8908)):
#0  0x00007fe5e61d2415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c89c in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c4bca628 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c415c98d in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fe5b2ffd700 (LWP 8906)):
#0  0x00007fe5e75065cb in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fe5e7468514 in buffered_vfprintf () at /usr/lib/libc.so.6
#2  0x00007fe5e7465764 in __vfprintf_internal () at /usr/lib/libc.so.6
#3  0x00007fe5e7508123 in __fprintf_chk () at /usr/lib/libc.so.6
#4  0x00007fe5d1773d90 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#5  0x00007fe5d1773f57 in event_warn () at /usr/lib/libevent-2.1.so.6
#6  0x00007fe5d1775982 in  () at /usr/lib/libevent-2.1.so.6
#7  0x00007fe5d176b860 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#8  0x00007fe5c41925e8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe5c4121a27 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe5c368e764 in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe5c415b568 in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fe5b37fe700 (LWP 8905)):
#0  0x00007fe5e61d277c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c996 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c418d983 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c418db01 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c4196811 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5c4198171 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe5c4198564 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fe5b8b67700 (LWP 8903)):
#0  0x00007fe5e74ea237 in write () at /usr/lib/libc.so.6
#1  0x00007fe5e747b9ad in _IO_file_write@@GLIBC_2.2.5 () at /usr/lib/libc.so.6
#2  0x00007fe5e747ad06 in new_do_write () at /usr/lib/libc.so.6
#3  0x00007fe5e747c0de in __GI__IO_file_xsputn () at /usr/lib/libc.so.6
#4  0x00007fe5e7468571 in buffered_vfprintf () at /usr/lib/libc.so.6
#5  0x00007fe5e7465764 in __vfprintf_internal () at /usr/lib/libc.so.6
#6  0x00007fe5e7508123 in __fprintf_chk () at /usr/lib/libc.so.6
#7  0x00007fe5d1773d90 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#8  0x00007fe5d1773f57 in event_warn () at /usr/lib/libevent-2.1.so.6
#9  0x00007fe5d1775982 in  () at /usr/lib/libevent-2.1.so.6
#10 0x00007fe5d176b860 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#11 0x00007fe5c419263a in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fe5c4121a27 in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fe5c415b3ef in  () at /usr/lib/libQt5WebEngineCore.so.5
#14 0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#15 0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#16 0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fe5bb975700 (LWP 8894)):
#0  0x00007fe5e61d277c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5c418c996 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe5c418d983 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe5c418db01 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe5c4196811 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe5c4198171 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe5c4198564 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fe5bc176700 (LWP 8893)):
#0  0x00007fe5e75065cb in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fe5e7468514 in buffered_vfprintf () at /usr/lib/libc.so.6
#2  0x00007fe5e7465764 in __vfprintf_internal () at /usr/lib/libc.so.6
#3  0x00007fe5e7508123 in __fprintf_chk () at /usr/lib/libc.so.6
#4  0x00007fe5d1773d90 in event_logv_ () at /usr/lib/libevent-2.1.so.6
#5  0x00007fe5d1773f57 in event_warn () at /usr/lib/libevent-2.1.so.6
#6  0x00007fe5d1775982 in  () at /usr/lib/libevent-2.1.so.6
#7  0x00007fe5d176b860 in event_base_loop () at /usr/lib/libevent-2.1.so.6
#8  0x00007fe5c41925e8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe5c4121a27 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe5c41586e4 in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe5c415b568 in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fe5c418eb35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fe5d9779700 (LWP 8785)):
#0  0x00007fe5e61d2415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe5d9a82ebc in  () at /usr/lib/dri/i965_dri.so
#2  0x00007fe5d9a82ab8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fe5dbfff700 (LWP 8731)):
#0  0x00007fe5e55e5479 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe5e563436c in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe5e56349a6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe5e5634b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe5e7a919bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe5e7a385ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe5e786b2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe5e7cc9b37 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007fe5e786c520 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe5e61cc57f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe5e74f90e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fe5e2f23c80 (LWP 8720)):
[KCrash Handler]
#6  0x00007fe5d1935df8 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#7  0x00007fe5d1946f12 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#8  0x00007fe5d1946f69 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#9  0x00007fe5c1e23055 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe5c1e23182 in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe5c3a28e5d in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fe5c3a1b100 in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fe5c37f23ed in  () at /usr/lib/libQt5WebEngineCore.so.5
#14 0x00007fe5c383e448 in  () at /usr/lib/libQt5WebEngineCore.so.5
#15 0x00007fe5c383f032 in  () at /usr/lib/libQt5WebEngineCore.so.5
#16 0x00007fe5c3849e9b in  () at /usr/lib/libQt5WebEngineCore.so.5
#17 0x00007fe5c37f5628 in  () at /usr/lib/libQt5WebEngineCore.so.5
#18 0x00007fe5c37f12ab in  () at /usr/lib/libQt5WebEngineCore.so.5
#19 0x00007fe5c3b3f65d in  () at /usr/lib/libQt5WebEngineCore.so.5
#20 0x00007fe5c3b3f9b2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#21 0x00007fe5c1e3c9dc in QtWebEngineCore::WebContentsAdapter::~WebContentsAdapter() () at /usr/lib/libQt5WebEngineCore.so.5
#22 0x00007fe5d193d56c in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#23 0x00007fe5d193d619 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#24 0x00007fe5d1930197 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#25 0x00007fe5c1e128a8 in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() () at /usr/lib/libQt5WebEngineCore.so.5
#26 0x00007fe5c1e12d13 in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() () at /usr/lib/libQt5WebEngineCore.so.5
#27 0x00007fe5d193f7c0 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#28 0x00007fe5d193f889 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#29 0x00007fe5d193faaa in QWebEngineProfile::~QWebEngineProfile() () at /usr/lib/libQt5WebEngineWidgets.so.5
#30 0x00007fe5d193faca in QWebEngineProfile::~QWebEngineProfile() () at /usr/lib/libQt5WebEngineWidgets.so.5
#31 0x00007fe5e7a6375e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#32 0x00007fe5e85ab3a3 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#33 0x00007fe5bc17bf79 in KMarkdownView::~KMarkdownView() () at /usr/lib/libKMarkdownWebView.so
#34 0x00007fe5e7a6375e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#35 0x00007fe5e85ab3a3 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#36 0x00007fe5e85ab5aa in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#37 0x00007fe5e93c3377 in KParts::Part::~Part() () at /usr/lib/libKF5Parts.so.5
#38 0x00007fe5bc38e989 in  () at /usr/lib/qt/plugins/kmarkdownwebviewpart.so
#39 0x00007fe5e7a6375e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#40 0x00007fe5e7a6dba8 in QObject::~QObject() () at /usr/lib/libQt5Core.so.5
#41 0x00007fe5e019d1f9 in  () at /usr/lib/qt/plugins/ktexteditor/ktexteditorpreviewplugin.so
#42 0x00007fe5e7a6375e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#43 0x00007fe5e85ab3a3 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#44 0x00007fe5e0197f49 in  () at /usr/lib/qt/plugins/ktexteditor/ktexteditorpreviewplugin.so
#45 0x00007fe5e7a6375e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#46 0x00007fe5e85ab3a3 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#47 0x000055c2e0944ce9 in  ()
#48 0x00007fe5e0197bdb in  () at /usr/lib/qt/plugins/ktexteditor/ktexteditorpreviewplugin.so
#49 0x00007fe5e0197c29 in  () at /usr/lib/qt/plugins/ktexteditor/ktexteditorpreviewplugin.so
#50 0x000055c2e091121f in  ()
#51 0x000055c2e09114c2 in  ()
#52 0x000055c2e090d653 in  ()
#53 0x000055c2e090d7d9 in  ()
#54 0x00007fe5e7a66261 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#55 0x00007fe5e85afc5b in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#56 0x00007fe5e86c85e5 in QMainWindow::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#57 0x00007fe5e8ff02ec in KMainWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#58 0x00007fe5e903d988 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#59 0x00007fe5e856c4d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#60 0x00007fe5e8575a21 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#61 0x00007fe5e7a399c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#62 0x00007fe5e7a3c739 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#63 0x00007fe5e7a923a4 in  () at /usr/lib/libQt5Core.so.5
#64 0x00007fe5e5632cf4 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#65 0x00007fe5e5634b11 in  () at /usr/lib/libglib-2.0.so.0
#66 0x00007fe5e5634b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#67 0x00007fe5e7a919a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#68 0x00007fe5e7a385ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#69 0x00007fe5e7a40326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#70 0x000055c2e08e64d4 in  ()
#71 0x00007fe5e7423ee3 in __libc_start_main () at /usr/lib/libc.so.6
#72 0x000055c2e08e7b3e in _start ()
[Inferior 1 (process 8720) detached]

Reported using DrKonqi
Comment 1 Piotr Mierzwinski 2019-07-31 18:36:23 UTC 
Files used in test please find in also reported by me: 
Bug 410464 - https://bugs.kde.org/show_bug.cgi?id=410464
Comment 2 Christoph Cullmann 2019-08-25 21:02:38 UTC 
This looks like the same crash, given the backtrace into webengine.

*** This bug has been marked as a duplicate of bug 410464 ***