GNU bug report logs - #68940
29.2; Random crashes in face for char / font

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Package: emacs;

Reported by: Robert Vojta <rvojta <at> me.com>

Date: Mon, 5 Feb 2024 22:47:02 UTC

Severity: normal

Found in version 29.2

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Message #62 received at 68940 <at> debbugs.gnu.org (full text, mbox):

From: Robert Vojta <rvojta <at> me.com>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 68940 <at> debbugs.gnu.org
Subject: Re: bug#68940: 29.2; Random crashes in face for char / font
Date: Fri, 09 Feb 2024 08:22:53 +0100

> Hm. I'm quite out of my comfort zone here, regarding fontsets and fonts,
> but it looks to me as if we're acting on a, for some reason, invalid
> face, which would come from
>
>   face_id = FACE_FOR_CHAR (f, FACE_FROM_ID (f, face_id), c, pos, Qnil);
>
> in Finternal_char_font. Maybe one could take a look at *f->face_cache here?

Thanks for these pointers! This is an unknown territory for me, but I'll take
some time to read the code, ask our font experts, and try to figure out what's
going on here.
This bug report was last modified 1 year and 128 days ago.

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