On 19/08/2022 07:11, Hironori KITAGAWA via luatex wrote:

Hello all,

I found that foo.tex below causes Segmentation fault:
--- foo.tex (luatex or lualatex)
\input luaotfload.sty
\font\foo=cmr10
\expandafter\font\csname\endcsname=cmr10

Does not crash here, Kitagawa-san :

C:\Users\Philip Taylor>luatex
This is LuaTeX, Version 1.15.0 (TeX Live 2022)
restricted system commands enabled.
**\input luaotfload.sty
(c:/TeX/Live/2022/texmf-dist/tex/luatex/luaotfload/luaotfload.sty
(c:/TeX/Live/2022/texmf-dist/tex/latex/base/ltluatex.tex))
*\font\foo=cmr10
*\expandafter\font\csname\endcsname=cmr10
*\end
warning  (pdf backend): no pages of output.
Transcript written on luaotfload.log.
--
Philip Taylor


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