Details
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Bug
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Resolution: Incomplete
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P1: Critical
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None
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5.15.2
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None
Description
When using the downstream program ibus-ui-emojier-plasma (an emoji picker tool, also known as the Plasma Desktop "emojier"), I got a segfault in QTextEngine::shapeText.
This happened immediately after installing to my local font directory the font "Twemoji Mozilla" and running fc-cache. The font is shipped with Firefox and you can get it from the latest Firefox binary download.
I don't see any segfaults when only Noto Color Emoji is installed.
The crash is repeatable. I'm attaching a backtrace I captured to this issue.
This issue might be related to https://bugreports.qt.io/browse/QTBUG-92358