GNU bug report logs - #76121
31.0.50; crash in uniscribe_close

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Package: emacs;

Reported by: Richard Copley <rcopley <at> gmail.com>

Date: Fri, 7 Feb 2025 15:43:02 UTC

Severity: normal

Found in version 31.0.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Richard Copley <rcopley <at> gmail.com>
To: Pip Cet <pipcet <at> protonmail.com>
Cc: 76121 <at> debbugs.gnu.org
Subject: bug#76121: 31.0.50; crash in uniscribe_close
Date: Fri, 7 Feb 2025 16:24:36 +0000

Pip Cet wrote:

> My guess is if we made uniscribe_close return immediately if
> uniscribe_font->cache is NULL, this crash might be avoided.

That does seem to work. Thanks.
Another way to ensure idempotence is to set
'uniscribe_font->dwrite_cache' to NULL after calling
'w32_dwrite_free_cached_face'. This also seems to avoid the crash.
This bug report was last modified 77 days ago.

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