GNU bug report logs - #49066
26.3; Segmentation fault on specific utf8 string

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Package: emacs;

Reported by: "Miguel V. S. Frasson" <mvsfrasson <at> gmail.com>

Date: Wed, 16 Jun 2021 21:08:02 UTC

Severity: normal

Tags: patch

Found in version 26.3

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #29 received at 49066 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Kenichi Handa <handa <at> gnu.org>
Cc: 49066 <at> debbugs.gnu.org, rpluim <at> gmail.com, larsi <at> gnus.org,
 mvsfrasson <at> gmail.com
Subject: Re: bug#49066: 26.3; Segmentation fault on specific utf8 string
Date: Thu, 17 Jun 2021 18:04:26 +0300

> Date: Thu, 17 Jun 2021 16:59:42 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 49066 <at> debbugs.gnu.org, larsi <at> gnus.org, mvsfrasson <at> gmail.com
> 
> > This is enough to cause the crash: ক‌
> > 
> > Thats #x995 followed by #x200c. Why are we trying to compose a ZWNJ?
> 
> Because #x995 is a Bengali character, and lisp/language/indian.el
> says:

Btw, I think there's a bug in those patterns: ZWJ and ZWNJ shouldn't
compose unless they are followed by a character.  See section 12.2 in
the Unicode Standard.
This bug report was last modified 3 years and 306 days ago.

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