GNU bug report logs - #17897
24.4.50; Customize face-font-family-alternatives could lead to emacs crash

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Kan-Ru Chen (陳侃如) <kanru <at> kanru.info>
Cc: 17897 <at> debbugs.gnu.org
Subject: bug#17897: 24.4.50; Customize face-font-family-alternatives could lead to emacs crash
Date: Sat, 03 Aug 2019 22:57:12 +0200

Kan-Ru Chen (陳侃如) <kanru <at> kanru.info> writes:

> Run following command could crash emacs:
>
> cat <<END > test.el
>     (progn (custom-set-variables
>       '(face-font-family-alternatives
>         '(("Monospace" "courier" "fixed")
>           ("courier" "CMU Typewriter Text" "fixed")
>           ("Sans Serif" "helv" "helvetica" "arial" "fixed")
>           ("helv" "helvetica" "arial" "fixed"))))
>        (char-displayable-p 215))
> END
> emacs -Q --load test.el
>
> The face-font-family-alternatives value is taken from the default value.
>
> `bt full` and `xbacktrace` attached.

(I'm going through old bug reports that unfortunately have not received
any responses yet.)

I'm unable to reproduce this bug in Emacs 27.  Are you still seeing it?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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