[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=417699

Nate Graham  changed:

   What|Removed |Added

 CC||khy...@redhyena.net

--- Comment #27 from Nate Graham  ---
*** Bug 418075 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=417699

Nate Graham  changed:

   What|Removed |Added

   Version Fixed In||5.18.2

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

David Edmundson  changed:

   What|Removed |Added

  Latest Commit||https://commits.kde.org/kwi
   ||n/39798bffb1398d6b75a067ff5
   ||552a63ea6b182f7
 Status|CONFIRMED   |RESOLVED
 Resolution|--- |FIXED

--- Comment #26 from David Edmundson  ---
Git commit 39798bffb1398d6b75a067ff5552a63ea6b182f7 by David Edmundson.
Committed on 19/02/2020 at 08:27.
Pushed by davidedmundson into branch 'Plasma/5.18'.

[plastik] Disable problematic text hints

Summary:
Use of "style: Text.Raised" combined with UTF-8 emoji characters
currently crashes deep in font rendering code.

A report has been submitted upstream:
https://bugreports.qt.io/browse/QTBUG-82311

Given this crash is surprisingly common, this patch removes the text
shadow. I normally would be against removing features, but this was a
subtle effect anyway and frankly just made things look blurry. I doubt
it'll be missed.
Related: bug 413179

Test Plan:
Made unit test for the crash in qmlscene
Fixed the issue there

Reviewers: #kwin, zzag

Reviewed By: #kwin, zzag

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D27488

M  +0-3   
plugins/kdecorations/aurorae/themes/plastik/package/contents/config/main.xml
M  +0-11  
plugins/kdecorations/aurorae/themes/plastik/package/contents/ui/config.ui
M  +0-4   
plugins/kdecorations/aurorae/themes/plastik/package/contents/ui/main.qml

https://commits.kde.org/kwin/39798bffb1398d6b75a067ff5552a63ea6b182f7

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #25 from David Edmundson  ---
Minimal crashing example:

```
import QtQuick 2.5

Text {
textFormat: Text.PlainText
color: "red"
text: "results?search_query="
font.family: "Noto Color Emoji"
style: Text.Raised // This line causes the crash
}
```

Will write up a Qt bug report with this and submit a hack for plastik disabling
the styling.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #24 from der_fenix  ---
Hmm, got it. That's why I have no shadows... :)

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #23 from David Edmundson  ---
Then there's another independent bug with the systemsettings UI.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #22 from der_fenix  ---
But I can provide screenshot of systemsettings window with breeze selected as
window decorator :)

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #21 from David Edmundson  ---
der_fenix, that log proves you're not using Breeze.

Which is good news for me, as it puts us back as having one bug.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

David Edmundson  changed:

   What|Removed |Added

  Component|decorations |aurorae

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #20 from der_fenix  ---
Thanks, got it.

GNU gdb (GDB) 9.1
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
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Find the GDB manual and other documentation resources online at:
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from kwin_x11...
(No debugging symbols found in kwin_x11)
(gdb) run
Starting program: /usr/bin/kwin_x11 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffefad6700 (LWP 82157)]
[New Thread 0x7fffef25b700 (LWP 82158)]
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 178, resource
id: 132120583, major code: 20 (GetProperty), minor code: 0
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 179, resource
id: 132120583, major code: 20 (GetProperty), minor code: 0
[New Thread 0x7fffeea5a700 (LWP 82159)]
[New Thread 0x7fffed5de700 (LWP 82161)]
Module 'org.kde.kwin.decoration' does not contain a module identifier directive
- it cannot be protected from external registrations.
Icon theme "mate-icon-theme" not found.
aurorae: Couldn't find QML Decoration  "__aurorae__svg__Simply_Circles"
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
[New Thread 0x7fffddb62700 (LWP 82185)]
[New Thread 0x7fffdd220700 (LWP 82186)]
[New Thread 0x7fffdca1f700 (LWP 82187)]
[New Thread 0x7fffd31ba700 (LWP 82188)]
[New Thread 0x7fffd29b9700 (LWP 82189)]
[New Thread 0x7fffd21b8700 (LWP 82190)]
[New Thread 0x7fffd19b7700 (LWP 82191)]
[New Thread 0x7fffd11b6700 (LWP 82192)]
[New Thread 0x7fffd09b5700 (LWP 82193)]
[New Thread 0x7fffabfff700 (LWP 82194)]
[New Thread 0x7fffab7fe700 (LWP 82195)]
[New Thread 0x7fffaaffd700 (LWP 82196)]
[New Thread 0x7fffaa7fc700 (LWP 82197)]
[New Thread 0x7fffa9ffb700 (LWP 82198)]
[New Thread 0x7fffa97fa700 (LWP 82199)]
[New Thread 0x7fffa8ff9700 (LWP 82201)]
[New Thread 0x7fff8bfff700 (LWP 82202)]
[New Thread 0x7fff83fff700 (LWP 82203)]
[New Thread 0x7fff8b7fe700 (LWP 82204)]
[New Thread 0x7fff8affd700 (LWP 82205)]
[New Thread 0x7fff8a7fc700 (LWP 82206)]
[New Thread 0x7fff89ffb700 (LWP 82207)]
[New Thread 0x7fff897fa700 (LWP 82210)]
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
aurorae: Couldn't find QML Decoration  "__aurorae__svg__Simply_Circles"
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
[New Thread 0x7fff88ff9700 (LWP 82211)]
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
aurorae: Couldn't find QML Decoration  "__aurorae__svg__Simply_Circles"
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
[New Thread 0x7fff837fe700 (LWP 82213)]
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null

[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #19 from deadite66  ---
i followed this guide for debugging kwin_x11, the screen locks up until you
type continue in gdb, so ran gdb in another tty.

https://community.kde.org/KWin/Debugging

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #18 from der_fenix  ---
Created attachment 126141
  --> https://bugs.kde.org/attachment.cgi?id=126141=edit
kwin_x11 strace log

I have some troubles with gdm - it is freeze all gui or prints the same data as
in my first comment. I make strace log, by starting kwin_x11 by strace when
have already opened window with emoji, may be it will be usefull

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=417699

Patrick Silva  changed:

   What|Removed |Added

 CC||bugsefor...@gmx.com

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #17 from David Edmundson  ---
>I'm using breeze decoration and Noto fonts for text, and noto-sans-emoji for 
>emoji

If you use breeze your backtrace would be very different. Could you attach that
please.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #16 from deadite66  ---
i have noto-sans-emoji installed too.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #15 from der_fenix  ---
I'm using breeze decoration and Noto fonts for text, and noto-sans-emoji for
emoji

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #14 from deadite66  ---
Decoration is Plastik
font is Segoe UI, fixed width font is Hack

clean backup user i made to test this is using Plastik and noto sans.

i tested it with both accounts, its Plastik causing this, tried and Breeze and
Oxygen and Discord works without issue.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #13 from David Edmundson  ---
and which font

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

David Edmundson  changed:

   What|Removed |Added

 Status|NEEDSINFO   |CONFIRMED
 Resolution|BACKTRACE   |---
 Ever confirmed|0   |1

--- Comment #12 from David Edmundson  ---
Ooh thank you! 

We've had a bunch of crashes in aurorae without any sort of clue as to what was
triggering it!

Can you tell me which window decoration you're using?

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #11 from deadite66  ---
GNU gdb (GDB) 9.1
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
.
Find the GDB manual and other documentation resources online at:
.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 113123
[New LWP 113124]
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x7f6bcc6c9cf5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
(gdb) coin[K[Kntinue
Continuing.
[New Thread 0x7f6a98dff700 (LWP 116694)]

Thread 1 "kwin_x11" received signal SIGABRT, Aborted.
0x7f6bcecdfce5 in raise () from /usr/lib/libc.so.6
(gdb) thread 1
[Switching to thread 1 (Thread 0x7f6bc71350c0 (LWP 113123))]
#0  0x7f6bcecdfce5 in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x7f6bcecdfce5 in raise () at /usr/lib/libc.so.6
#1  0x7f6bcecc9857 in abort () at /usr/lib/libc.so.6
#2  0x7f6bced232b0 in __libc_message () at /usr/lib/libc.so.6
#3  0x7f6bced2a74a in  () at /usr/lib/libc.so.6
#4  0x7f6bced2d6b4 in _int_malloc () at /usr/lib/libc.so.6
#5  0x7f6bced2efb9 in malloc () at /usr/lib/libc.so.6
#6  0x7f6bcdae904b in QImageData::create(QSize const&, QImage::Format) ()
at /usr/lib/libQt5Gui.so.5
#7  0x7f6bcdae918d in QImage::QImage(QSize const&, QImage::Format) () at
/usr/lib/libQt5Gui.so.5
#8  0x7f6bcdae91ca in QImage::QImage(int, int, QImage::Format) () at
/usr/lib/libQt5Gui.so.5
#9  0x7f6bcdaea13c in QImage::copy(QRect const&) const () at
/usr/lib/libQt5Gui.so.5
#10 0x7f6bcdaea6a5 in QImage::detach() () at /usr/lib/libQt5Gui.so.5
#11 0x7f6bcdaebe7b in QImage::setColor(int, unsigned int) () at
/usr/lib/libQt5Gui.so.5
#12 0x7f6bc6d5a968 in  () at /usr/lib/libQt5XcbQpa.so.5
#13 0x7f6bcddb60de in QTextureGlyphCache::textureMapForGlyph(unsigned int,
QFixed) const () at /usr/lib/libQt5Gui.so.5
#14 0x7f6bcde46bfe in
QOpenGLTextureGlyphCache::fillTexture(QTextureGlyphCache::Coord const&,
unsigned int, QFixed) () at /usr/lib/libQt5Gui.so.5
#15 0x7f6bcddb7dd5 in QTextureGlyphCache::fillInPendingGlyphs() () at
/usr/lib/libQt5Gui.so.5
#16 0x7f6bcc1566d1 in  () at /usr/lib/libQt5Quick.so.5
#17 0x7f6bcc1522eb in  () at /usr/lib/libQt5Quick.so.5
#18 0x7f6bcc2271ce in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun
const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) ()
at /usr/lib/libQt5Quick.so.5
#19 0x7f6bcc22c679 in  () at /usr/lib/libQt5Quick.so.5
#20 0x7f6bcc228231 in QQuickTextNode::addTextLayout(QPointF const&,
QTextLayout*, QColor const&, QQuickText::TextStyle, QColor const&, QColor
const&, QColor const&, QColor const&, int, int, int, int) () at
/usr/lib/libQt5Quick.so.5
#21 0x7f6bcc226a5f in QQuickText::updatePaintNode(QSGNode*,
QQuickItem::UpdatePaintNodeData*) () at /usr/lib/libQt5Quick.so.5
#22 0x7f6bcc1cbd58 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) ()
at /usr/lib/libQt5Quick.so.5
#23 0x7f6bcc1cc61c in QQuickWindowPrivate::updateDirtyNodes() () at
/usr/lib/libQt5Quick.so.5
#24 0x7f6bcc1cdd42 in QQuickWindowPrivate::syncSceneGraph() () at
/usr/lib/libQt5Quick.so.5
#25 0x7f6bcc29855a in QQuickRenderControl::sync() () at
/usr/lib/libQt5Quick.so.5
#26 0x7f6bcc501a19 in KWin::EffectQuickView::update() () at
/usr/lib/libkwineffects.so.12
#27 0x7f6bcd70f46e in  () at /usr/lib/libQt5Core.so.5
#28 0x7f6bcd7131d8 in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#29 0x7f6bcd707185 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#30 0x7f6bce173362 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#31 0x7f6bce17c819 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#32 0x7f6bcd6d9962 in 

[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #10 from deadite66  ---
i don't see drkongi during the crash, if i log out and back in then i do
sometimes see this from it.

Application: kdeinit5 (kdeinit5), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[KCrash Handler]
#6  0x7f29150f6ce5 in raise () from /usr/lib/libc.so.6
#7  0x7f29150e0857 in abort () from /usr/lib/libc.so.6
#8  0x7f291530f96c in QMessageLogger::fatal(char const*, ...) const () from
/usr/lib/libQt5Core.so.5
#9  0x7f291174206d in KIO::SlaveBase::waitForAnswer(int, int, QByteArray&,
int*) () from /usr/lib/libKF5KIOCore.so.5
#10 0x7f29117431ae in KIO::SlaveBase::canResume(unsigned long long) () from
/usr/lib/libKF5KIOCore.so.5
#11 0x7f29160ccdd6 in ?? () from /usr/lib/qt/plugins/kf5/kio/file.so
#12 0x7f2911748510 in KIO::SlaveBase::dispatch(int, QByteArray const&) ()
from /usr/lib/libKF5KIOCore.so.5
#13 0x7f2911748c26 in KIO::SlaveBase::dispatchLoop() () from
/usr/lib/libKF5KIOCore.so.5
#14 0x7f29160cb394 in kdemain () from /usr/lib/qt/plugins/kf5/kio/file.so
#15 0x558a2a003b9c in ?? ()
#16 0x558a2a00505a in ?? ()
#17 0x558a2a0059ce in ?? ()
#18 0x558a2a000b54 in ?? ()
#19 0x7f29150e2023 in __libc_start_main () from /usr/lib/libc.so.6
#20 0x558a2a00176e in ?? ()
[Inferior 1 (process 294263) detached]

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #9 from der_fenix  ---
I know they should, but haven't actually. 

All we have is:
  malloc(): invalid size (unsorted)
  Application::crashHandler() called with signal 6; recent crashes: 1

May be arch packages have no debug info or something else is missing, but even
drkonqi was sleeping.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=417699

David Edmundson  changed:

   What|Removed |Added

 CC||k...@davidedmundson.co.uk
 Resolution|--- |BACKTRACE
 Status|REPORTED|NEEDSINFO

--- Comment #8 from David Edmundson  ---
Crashes should have a backtrace

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=417699

Nate Graham  changed:

   What|Removed |Added

 Resolution|WAITINGFORINFO  |---
 Status|NEEDSINFO   |REPORTED

--- Comment #7 from Nate Graham  ---
Thanks. Cannot reproduce, BTW.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #6 from deadite66  ---
if its at all relevent i'm also on Arch linux and a Vega gpu.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #5 from der_fenix  ---
Just checked: created file named with emoji and open it in kate - kwin crashed

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=417699

Nate Graham  changed:

   What|Removed |Added

 CC||n...@kde.org
 Resolution|--- |WAITINGFORINFO
 Status|REPORTED|NEEDSINFO

--- Comment #4 from Nate Graham  ---
Does this happen for any other windows too? For example in Kate, if you open a
file with an emoji in its name, does KWin still crash? Or is it on;y
reproducible in Chromium or Electron apps?

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #3 from deadite66  ---
[lee@Plasma ~]$ LC_ALL=C kwin_x11 --replace
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 178, resource
id: 96468999, major code: 20 (GetProperty), minor code: 0
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 179, resource
id: 96468999, major code: 20 (GetProperty), minor code: 0
Module 'org.kde.kwin.decoration' does not contain a module identifier directive
- it cannot be protected from external registrations.
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: TypeError:
Cannot read property 'closeOnDoubleClickOnMenu' of null
file:///usr/share/kwin/decorations/kwin4_decoration_qml_plastik/contents/ui/main.qml:92:
TypeError: Cannot read property 'borderSize' of null
file:///usr/lib/qt/qml/org/kde/kwin/decoration/MenuButton.qml:22: 

[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[deadite66]

https://bugs.kde.org/show_bug.cgi?id=417699

deadite66  changed:

   What|Removed |Added

 CC||lee295...@gmail.com

--- Comment #2 from deadite66  ---
Seeing this too, trying to use Discord always triggers this for me.

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[kwin] [Bug 417699] Kwin crashes on emoji in titlebar

[der_fenix]

https://bugs.kde.org/show_bug.cgi?id=417699

--- Comment #1 from der_fenix  ---
Crashing example: https://www.youtube.com/results?search_query=%F0%9F%98%80

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