GNU bug report logs - #53680
Endless loop in peculiar case of string-match and string-match-p 27.02 and 28.0.50

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Message #13 received at 53680 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Christian Johansson <christian <at> cvj.se>
Cc: 53680 <at> debbugs.gnu.org
Subject: Re: bug#53680: Endless loop in peculiar case of string-match and
 string-match-p 27.02 and 28.0.50
Date: Tue, 01 Feb 2022 12:08:40 +0100

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

> And I can reproduce this on master, too.  Is it a problem with excessive
> backtracking, perhaps?  I let it run for a minute, and it didn't finish
> in that time.

This simplified version also infloops:

(string-match
 "implements\\([\r\t ]*[\\a-zA-Z0-9_]+,?\\)+{$"
 "ariable implements \\Magento\\Framework\\Event\\OberserverInterface\r{\r    public function __construct()\r ")


-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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