From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: luangruo@yahoo.com, 58334@debbugs.gnu.org
Subject: bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs
Date: Fri, 07 Oct 2022 13:29:38 +0200 [thread overview]
Message-ID: <m2zge7zxb1.fsf@Mini.fritz.box> (raw)
In-Reply-To: <83r0zjopre.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 07 Oct 2022 14:08:05 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Gerd Möllmann <gerd.moellmann@gmail.com>
>> Cc: Po Lu <luangruo@yahoo.com>, 58334@debbugs.gnu.org
>> Date: Fri, 07 Oct 2022 10:07:01 +0200
>>
>> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>>
>> > Eli Zaretskii <eliz@gnu.org> writes:
>> >> IOW, I don't see how block_input anywhere can solve this particular
>> >> problem.
>> >
>> > I wonder too.
>>
>> And, while vaccuming, I also wondered what happens with the glyph
>> matrices, and maybe other global state?
>
> Fvertical_motion (and other functions that call the move_it_*
> functions) in general don't rely on glyph matrices. So I'm not sure
> what exactly worries you.
I not yet worried, just wondering :-).
If we don't change some other shared state, then we're safe if we
prevent freeing faces? That's would be good.
next prev parent reply other threads:[~2022-10-07 11:29 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-06 15:03 bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs Gerd Möllmann
2022-10-06 16:00 ` Eli Zaretskii
2022-10-06 18:01 ` Gerd Möllmann
2022-10-06 18:30 ` Eli Zaretskii
2022-10-06 18:36 ` Gerd Möllmann
2022-10-07 12:01 ` Eli Zaretskii
2022-10-07 12:03 ` Gerd Möllmann
2022-10-07 12:06 ` Eli Zaretskii
2022-10-07 12:08 ` Gerd Möllmann
2022-10-07 12:12 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:16 ` Eli Zaretskii
2022-10-07 12:23 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:14 ` Eli Zaretskii
2022-10-07 12:34 ` Gerd Möllmann
2022-10-07 0:37 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 5:06 ` Gerd Möllmann
2022-10-07 7:12 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 7:20 ` Gerd Möllmann
2022-10-07 0:46 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 5:23 ` Gerd Möllmann
2022-10-07 7:03 ` Eli Zaretskii
2022-10-07 7:20 ` Gerd Möllmann
2022-10-07 8:07 ` Gerd Möllmann
2022-10-07 8:36 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 8:54 ` Gerd Möllmann
2022-10-07 10:28 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 11:11 ` Gerd Möllmann
2022-10-07 11:19 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 11:34 ` Eli Zaretskii
2022-10-07 11:38 ` Gerd Möllmann
2022-10-07 11:29 ` Eli Zaretskii
2022-10-07 12:16 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:27 ` Eli Zaretskii
2022-10-07 11:19 ` Eli Zaretskii
2022-10-07 11:34 ` Gerd Möllmann
2022-10-07 11:13 ` Eli Zaretskii
2022-10-07 11:08 ` Eli Zaretskii
2022-10-07 11:29 ` Gerd Möllmann [this message]
2022-10-07 11:44 ` Eli Zaretskii
2022-10-07 12:01 ` Gerd Möllmann
2022-10-07 12:05 ` Eli Zaretskii
2022-10-07 12:14 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:17 ` Gerd Möllmann
2022-10-07 12:22 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:36 ` Gerd Möllmann
2022-10-08 6:58 ` Gerd Möllmann
2022-10-08 7:59 ` Eli Zaretskii
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m2zge7zxb1.fsf@Mini.fritz.box \
--to=gerd.moellmann@gmail.com \
--cc=58334@debbugs.gnu.org \
--cc=eliz@gnu.org \
--cc=luangruo@yahoo.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).