GNU bug report logs - #58334
29.0.50; ASAN heap use after free in gui_produce_glyphs

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Package: emacs;

Reported by: Gerd Möllmann <gerd.moellmann <at> gmail.com>

Date: Thu, 6 Oct 2022 15:04:01 UTC

Severity: normal

Found in version 29.0.50

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Message #47 received at 58334 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: 58334 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: Re: bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs
Date: Fri, 07 Oct 2022 16:36:05 +0800

Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:

> And, while vaccuming, I also wondered what happens with the glyph
> matrices, and maybe other global state?

Isn't input blocked wherever the glyph matrices are modified?  If not,
how come expose_frame always works correctly?
This bug report was last modified 2 years and 310 days ago.

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