[dolphin] [Bug 481860] New: Dolphin crashes and RAM usage balloons by +15-20%

[Paul]

https://bugs.kde.org/show_bug.cgi?id=481860

            Bug ID: 481860
           Summary: Dolphin crashes and RAM usage balloons by +15-20%
    Classification: Applications
           Product: dolphin
           Version: 23.08.4
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: Paul.Montaque at live.co.uk
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (23.08.4)

Qt Version: 5.15.12
Frameworks Version: 5.115.0
Operating System: Linux 6.7.5-1-default x86_64
Windowing System: X11
Distribution: "openSUSE Tumbleweed"
DrKonqi: 5.27.10 [KCrashBackend]

-- Information about the crash:
I launch Dolphin and navigate to the folders and locate files. Operation is
fine during this launch.
However, if I leave it alone for 30-60 mins I notice that the RAM usage has
jumped from 26% to 40.1% (in my current example).
I have mapped an NFS share so that I can access files on my separate NAS, and
there appears not to be an issue navigating that share. It is only when Dolphin
is left alone without any user interaction that it seems to gobble RAM, before
then crashing!

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f439b388ddd in __memmove_ssse3 () from /lib64/libc.so.6
#5  0x00007f43958ecc6a in memmove (__len=262112, __src=0x7f3e8d7bf810,
__dest=<optimized out>) at /usr/include/bits/string_fortified.h:36
#6  copy_unswapped (rect=<synthetic pointer>..., img=...,
dstBytesPerLine=262112, dst=<optimized out>) at qxcbbackingstore.cpp:547
#7  native_sub_image (swap=false, rect=<synthetic pointer>..., src=...,
dstStride=262112, buffer=<optimized out>) at qxcbbackingstore.cpp:590
#8  QXcbBackingStoreImage::flushPixmap (this=0x5652ccd060e0, region=...,
fullRegion=<optimized out>) at qxcbbackingstore.cpp:669
#9  0x00007f43958ed269 in QXcbBackingStoreImage::flushPixmap (fullRegion=false,
region=..., this=0x5652ccd060e0) at qxcbbackingstore.cpp:627
#10 QXcbBackingStoreImage::put (this=0x5652ccd060e0, dst=55574540, region=...,
offset=...) at qxcbbackingstore.cpp:741
#11 0x00007f43958edb99 in QXcbBackingStore::flush (this=0x5652cc92ad80,
window=<optimized out>, region=..., offset=...) at qxcbbackingstore.cpp:877
#12 0x00007f439c35a6a4 in QBackingStore::flush (this=this at entry=0x7f43880036f0,
region=..., window=0x5652cc866ff0, offset=...) at
painting/qbackingstore.cpp:263
#13 0x00007f439c9b294f in QWidgetRepaintManager::flush
(this=this at entry=0x5652cc928ef0, widget=0x5652cc6b67e0, region=...,
widgetTextures=<optimized out>) at kernel/qwidgetrepaintmanager.cpp:1198
#14 0x00007f439c9b44c9 in QWidgetRepaintManager::flush (this=0x5652cc928ef0) at
kernel/qwidgetrepaintmanager.cpp:1096
#15 0x00007f439c9b6528 in QWidgetRepaintManager::paintAndFlush
(this=0x5652cc928ef0) at kernel/qwidgetrepaintmanager.cpp:1028
#16 0x00007f439c9ff061 in QWidgetWindow::handleResizeEvent
(this=this at entry=0x5652cc866ff0, event=event at entry=0x7fff2a27e380) at
kernel/qwidgetwindow.cpp:842
#17 0x00007f439ca02f12 in QWidgetWindow::event (this=0x5652cc866ff0,
event=0x7fff2a27e380) at kernel/qwidgetwindow.cpp:322
#18 0x00007f439c9a51ae in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x5652cc866ff0, e=0x7fff2a27e380) at
kernel/qapplication.cpp:3640
#19 0x00007f439bced938 in QCoreApplication::notifyInternal2
(receiver=0x5652cc866ff0, event=0x7fff2a27e380) at
kernel/qcoreapplication.cpp:1064
#20 0x00007f439bcedb0e in QCoreApplication::sendSpontaneousEvent
(receiver=<optimized out>, event=<optimized out>) at
kernel/qcoreapplication.cpp:1474
#21 0x00007f439c17965c in QGuiApplicationPrivate::processGeometryChangeEvent
(e=<optimized out>) at kernel/qguiapplication.cpp:2610
#22 0x00007f439c1503cc in QWindowSystemInterface::sendWindowSystemEvents
(flags=flags at entry=...) at kernel/qwindowsysteminterface.cpp:1169
#23 0x00007f43958f851a in xcbSourceDispatch (source=<optimized out>) at
qxcbeventdispatcher.cpp:105
#24 0x00007f439970ef30 in ?? () from /lib64/libglib-2.0.so.0
#25 0x00007f4399710b58 in ?? () from /lib64/libglib-2.0.so.0
#26 0x00007f439971120c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#27 0x00007f439bd46876 in QEventDispatcherGlib::processEvents
(this=0x5652cc3eb1f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#28 0x00007f439bcec3cb in QEventLoop::exec (this=this at entry=0x7fff2a27e600,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#29 0x00007f439bcf4860 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#30 0x00007f439c17061c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1870
#31 0x00007f439c9a5125 in QApplication::exec () at kernel/qapplication.cpp:2832
#32 0x00005652cb7c15a7 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/dolphin-23.08.4/src/main.cpp:238
[Inferior 1 (process 6503) detached]

Reported using DrKonqi

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