bug#58042: 29.0.50; ASAN use-after-free in re_match_2

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bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal

From:	Eli Zaretskii
Subject:	bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal
Date:	Wed, 05 Oct 2022 16:39:41 +0300

> From: Po Lu <luangruo@yahoo.com>
> Cc: Eli Zaretskii <eliz@gnu.org>,  Alan Third <alan@idiocy.org>,
>   58042@debbugs.gnu.org
> Date: Wed, 05 Oct 2022 19:10:02 +0800
> 
> I'm going to guess that window_sub_list is returning a window that was
> not marked during GC.

Why wasn't it marked?

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bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal, (continued)
- bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal, Gerd Möllmann, 2022/10/06
  - bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal, Eli Zaretskii, 2022/10/06
    - bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal, Gerd Möllmann, 2022/10/06
    - bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal, Eli Zaretskii, 2022/10/06
    - bug#58042: 29.0.50; ASAN use-after-free in re_match_2_internal, Gerd Möllmann, 2022/10/06

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