[konsole] [Bug 471955] New: Konsole crashed after replacing the file for the selected font

Tue Jul 4 19:27:25 BST 2023

https://bugs.kde.org/show_bug.cgi?id=471955

            Bug ID: 471955
           Summary: Konsole crashed after replacing the file for the
                    selected font
    Classification: Applications
           Product: konsole
           Version: 22.12.3
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: ben.blank at gmail.com
  Target Milestone: ---

Application: konsole (22.12.3)

Qt Version: 5.15.8
Frameworks Version: 5.104.0
Operating System: Linux 6.2.0-24-generic x86_64
Windowing System: X11
Distribution: Ubuntu 23.04
DrKonqi: 5.27.4 [KCrashBackend]

-- Information about the crash:
I had two tabs open; the first was running Python through Bash, but I hadn't
interacted with it in a bit. In the active tab, I had recently used Bash to
copy v0.050 of the JuliaMono TTF files into ~/.fonts/j/, replacing the v0.045
files already there. This was almost certainly a foolish thing to do, as
JuliaMono was the font selected in Konsole's settings for displaying the
terminal.

The crash didn't happen right away; I moved some other files around via Bash,
then switched to another application. Upon switching back to Konsole, I
attempted to run the command "man curl", at which point Konsole decided it
didn't like me any more. After relaunching Konsole, "man curl" runs just fine
(unsurprisingly).

While I have no evidence to support the conjecture, replacing in-use TTF files
seems highly likely to cause problems.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fe16b3a95a0 in ?? () from /lib/x86_64-linux-gnu/libfreetype.so.6
#5  0x00007fe16b3a9688 in ?? () from /lib/x86_64-linux-gnu/libfreetype.so.6
#6  0x00007fe16b367c80 in FT_Get_Char_Index () from
/lib/x86_64-linux-gnu/libfreetype.so.6
#7  0x00007fe16955a2c6 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x00007fe16fc17d77 in QFontEngineMulti::stringToCMap(QChar const*, int,
QGlyphLayout*, int*, QFlags<QFontEngine::ShaperFlag>) const () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#9  0x00007fe16fc3a8a5 in QTextEngine::shapeText(int) const () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fe16fc4041b in QTextEngine::shapeLine(QScriptLine const&) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007fe16fe227c8 in QPainter::drawText(QPointF const&, QString const&,
int, int) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007fe170db58a0 in ?? () from
/lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#13 0x00007fe170d5a91e in ?? () from
/lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#14 0x00007fe170d473d3 in Konsole::TerminalDisplay::paintEvent(QPaintEvent*) ()
from /lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#15 0x00007fe1703aec28 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fe17036bf92 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fe16f6bae38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fe1703a6e59 in QWidgetPrivate::sendPaintEvent(QRegion const&) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fe1703a7751 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*,
QWidgetRepaintManager*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fe17037d421 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fe1703aeee8 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fe170c25e4d in KXmlGuiWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#23 0x00007fe17036bf92 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fe16f6bae38 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fe16f6bdea1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fe16f7157b7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fe16d9d249d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fe16da2d178 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fe16d9d11b0 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fe16f714e7a in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fe16f6b97cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fe16f6c1c1a in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x000055771231c7c1 in ?? ()
#34 0x00007fe16ec23a90 in __libc_start_call_main
(main=main at entry=0x55771231ace0, argc=argc at entry=1,
argv=argv at entry=0x7fff4e538a28) at ../sysdeps/nptl/libc_start_call_main.h:58
#35 0x00007fe16ec23b49 in __libc_start_main_impl (main=0x55771231ace0, argc=1,
argv=0x7fff4e538a28, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff4e538a18) at ../csu/libc-start.c:360
#36 0x000055771231d055 in ?? ()
[Inferior 1 (process 9431) detached]

Reported using DrKonqi

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