$ gdb --args krunner
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Reading symbols from krunner...

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Reading symbols from /home/finotti/.cache/debuginfod_client/9d6fbcb115d03f55e532a16fcce37676d57eea9f/debuginfo...
(gdb) run
Starting program: /usr/bin/krunner
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffead8e6c0 (LWP 41092)]
[New Thread 0x7fffea58d6c0 (LWP 41099)]
[New Thread 0x7fffe8ca06c0 (LWP 41101)]
[New Thread 0x7fffcd1ff6c0 (LWP 41109)]
[New Thread 0x7fffc7fff6c0 (LWP 41110)]
[New Thread 0x7fffc77fe6c0 (LWP 41111)]
[New Thread 0x7fffc6ffd6c0 (LWP 41112)]
[New Thread 0x7fffc67fc6c0 (LWP 41113)]
[New Thread 0x7fffc5ffb6c0 (LWP 41114)]
[New Thread 0x7fffc57fa6c0 (LWP 41115)]
[New Thread 0x7fffc4ff96c0 (LWP 41116)]
[New Thread 0x7fffa7fff6c0 (LWP 41117)]
[Thread 0x7fffc57fa6c0 (LWP 41115) exited]
[Thread 0x7fffc5ffb6c0 (LWP 41114) exited]
[Thread 0x7fffc67fc6c0 (LWP 41113) exited]

Thread 1 "krunner" received signal SIGSEGV, Segmentation fault.
0x00007ffff3cecdc8 in FcCharSetFindLeafForward (fcs=fcs@entry=0xfefefefefefefefe, start=start@entry=0, num=num@entry=37) at ./src/fccharset.c:103
⚠️ warning: 103	./src/fccharset.c: No such file or directory
(gdb) bt
#0  0x00007ffff3cecdc8 in FcCharSetFindLeafForward (fcs=fcs@entry=0xfefefefefefefefe, start=start@entry=0, num=num@entry=37) at ./src/fccharset.c:103
#1  0x00007ffff3cedbb1 in FcCharSetFindLeafPos (fcs=0xfefefefefefefefe, ucs4=<optimized out>) at ./src/fccharset.c:129
#2  FcCharSetFindLeaf (fcs=0xfefefefefefefefe, ucs4=<optimized out>) at ./src/fccharset.c:135
#3  IA__FcCharSetHasChar (fcs=0xfefefefefefefefe, ucs4=<optimized out>) at ./src/fccharset.c:557
#4  IA__FcCharSetHasChar (fcs=0xfefefefefefefefe, ucs4=9679) at ./src/fccharset.c:551
#5  0x00007ffff5c9d3fd in QFontEngineMultiFontConfig::shouldLoadFontEngineForCharacter (this=0x5555558810b0, at=1, ucs4=<optimized out>)
    at ./src/gui/text/unix/qfontenginemultifontconfig.cpp:30
#6  QFontEngineMulti::stringToCMap (this=0x5555558810b0, str=<optimized out>, len=<optimized out>, glyphs=0x7fffffffc160, nglyphs=0x7fffffffc12c, flags=...)
    at ./src/gui/text/qfontengine.cpp:2072
#7  0x00007ffff5d0f642 in QTextEngine::shapeText (this=0x555555afab70, item=<optimized out>) at ./src/gui/text/qtextengine.cpp:1464
#8  0x00007ffff5d3f436 in QTextLine::layout_helper (this=this@entry=0x7fffffffc6c0, maxGlyphs=maxGlyphs@entry=2147483647) at ./src/gui/text/qtextlayout.cpp:1875
#9  0x00007ffff5d4078f in QTextLine::setLineWidth (this=this@entry=0x7fffffffc6c0, width=<optimized out>) at ./src/gui/text/qtextlayout.cpp:1626
#10 0x00007ffff76aea16 in QQuickTextPrivate::setLineGeometry (this=this@entry=0x555555afb350, line=..., lineWidth=<optimized out>, height=@0x7fffffffc6a0: 0)
    at ./src/quick/items/qquicktext.cpp:1303
#11 0x00007ffff76af911 in QQuickTextPrivate::setupTextLayout (this=this@entry=0x555555afb350, baseline=baseline@entry=0x7fffffffc810)
    at ./src/quick/items/qquicktext.cpp:916
#12 0x00007ffff76b1f57 in QQuickTextPrivate::updateSize (this=this@entry=0x555555afb350) at ./src/quick/items/qquicktext.cpp:493
#13 0x00007ffff76b3982 in QQuickTextPrivate::updateLayout (this=<optimized out>) at ./src/quick/items/qquicktext.cpp:267
#14 0x00007fffe994f326 in QQuickLabel::componentComplete (this=0x555555afb260) at ./src/quicktemplates/qquicklabel.cpp:525
#15 0x00007ffff6fd1d70 in QQmlObjectCreator::finalize (this=0x555555d3cf30, interrupt=...) at ./src/qml/qml/qqmlobjectcreator.cpp:1642
#16 0x00007ffff6f3d6c5 in QQmlComponentPrivate::complete (enginePriv=0x55555573d6d0, state=state@entry=0x55555585d840) at ./src/qml/qml/ftw/qbipointer_p.h:134
#17 0x00007ffff6f40bfc in QQmlComponentPrivate::completeCreate (this=0x55555585d7c0) at ./src/qml/qml/qqmlcomponent.cpp:1357
#18 0x00007ffff7f50045 in PlasmaQuick::SharedQmlEngine::completeInitialization (this=0x7fffffffd0b0, initialProperties=...) at ./src/plasmaquick/sharedqmlengine.cpp:272
#19 0x000055555556124f in View::View (this=this@entry=0x7fffffffd100, engine=engine@entry=0x7fffffffd0b0) at ./krunner/view.cpp:75
#20 0x000055555555db7b in main (argc=<optimized out>, argv=<optimized out>) at ./krunner/main.cpp:106
(gdb) quit
A debugging session is active.

	Inferior 1 [process 41045] will be killed.

Quit anyway? (y or n) y