GNU bug report logs - #58042
29.0.50; ASAN use-after-free in re_match_2_internal

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Package: emacs;

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

Date: Sat, 24 Sep 2022 13:46:01 UTC

Severity: normal

Found in version 29.0.50

Fixed in version 29.1

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

Bug is archived. No further changes may be made.

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From: Po Lu <luangruo <at> yahoo.com>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 58042 <at> debbugs.gnu.org, Alan Third <alan <at> idiocy.org>
Subject: bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal
Date: Wed, 05 Oct 2022 20:08:50 +0800
Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:

> In case it matters--I didn't mention that I actually used the change
> below, because w->next is a Lisp_Object in master.

I sent another reply to that message you should read.

w->next is struct window * in my branch, but in the ordinary garbage
collector mark_vectorlike should itself mark all fields between frame
and mode_line_help_echo.

So if that mechanism isn't working correctly, then we have a bigger
problem on hand.




This bug report was last modified 2 years and 72 days ago.

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