[dolphin] [Bug 426962] New: Dolphin crashes when navigating sftp folders

[Francesco Cusolito]

https://bugs.kde.org/show_bug.cgi?id=426962

            Bug ID: 426962
           Summary: Dolphin crashes when navigating sftp folders
           Product: dolphin
           Version: 20.08.1
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: mous16 at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (20.08.1)

Qt Version: 5.15.0
Frameworks Version: 5.74.0
Operating System: Linux 5.4.0-47-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.19

-- Information about the crash:
I had a sftp folder open for sometimes, in an inactive window. When I
interacted again with the same window, trying to navigate to a parent folder,
on the same server, through the breadcrumb bar, Dolphin crashed.
It happend me 3 times in the last week, but I'm not able to replicate it
consistently.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Aborted

[KCrash Handler]
#4  __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007f54069a7859 in __GI_abort () at abort.c:79
#6  0x00007f5406a123ee in __libc_message (action=action at entry=do_abort,
fmt=fmt at entry=0x7f5406b3c285 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
#7  0x00007f5406a1a47c in malloc_printerr (str=str at entry=0x7f5406b3e628 "double
free or corruption (fasttop)") at malloc.c:5347
#8  0x00007f5406a1bde5 in _int_free (av=0x7f5406b6db80 <main_arena>,
p=0x55e8cdcbecf0, have_lock=0) at malloc.c:4266
#9  0x00007f54068b469f in KFileItemModel::slotClear() () from
/usr/lib/x86_64-linux-gnu/libdolphinprivate.so.5
#10 0x00007f540691d977 in DolphinView::setUrl(QUrl const&) () from
/usr/lib/x86_64-linux-gnu/libdolphinprivate.so.5
#11 0x00007f5406bdcd68 in ?? () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#12 0x00007f54047ea5ae in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f54067fec99 in KUrlNavigator::urlChanged(QUrl const&) () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#14 0x00007f5406802d64 in KUrlNavigator::setLocationUrl(QUrl const&) () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#15 0x00007f54047ea5e0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f54067f67d2 in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#17 0x00007f540540bdb6 in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f54053c8cc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f54053d1ec3 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f54047b36aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f54053d0fd7 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f5405426ffd in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f540542a4dc in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f54053c8cc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f54053d1c70 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f54047b36aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f5404cbef78 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#28 0x00007f5404cc05b5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#29 0x00007f5404c982cb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#30 0x00007f53ff8b199e in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#31 0x00007f540259dfbd in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f540259e240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f540259e2e3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f540480de92 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f54047b21bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f54047ba354 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f5406bc324f in kdemain () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#38 0x00007f54069a90b3 in __libc_start_main (main=0x55e8cc14d060, argc=1,
argv=0x7fff0f2abbd8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff0f2abbc8) at ../csu/libc-start.c:308
#39 0x000055e8cc14d09e in _start ()
[Inferior 1 (process 3694378) detached]

Possible duplicates by query: bug 426657, bug 426180, bug 425649, bug 425074,
bug 424911.

Reported using DrKonqi

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