GNU bug report logs - #61514
30.0.50; sadistically long xml line hangs emacs

Previous Next

Package: emacs;

Reported by: "Mark A. Hershberger" <mah <at> everybody.org>

Date: Tue, 14 Feb 2023 21:05:02 UTC

Severity: normal

Found in version 30.0.50

Done: Gregory Heytings <gregory <at> heytings.org>

Bug is archived. No further changes may be made.

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: gregory <at> heytings.org, 61514 <at> debbugs.gnu.org, mah <at> everybody.org
Subject: bug#61514: 30.0.50; sadistically long xml line hangs emacs
Date: Mon, 20 Feb 2023 22:01:24 +0200

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  mah <at> everybody.org,  61514 <at> debbugs.gnu.org
> Date: Mon, 20 Feb 2023 13:49:49 -0500
> 
> > where I can even reduce the regexp down to "[-._[:alnum:]]*\t*=".
> > Looks like we're missing a case in our backtracking-elimination code.
> 
> The patch below fixes the stack overflow.
> [ And thanks Gregory for the yet simpler test cases.  ]
> 
> I don't think we want that for `emacs-29`, but unless there's some
> objection I'll push this to `master`,

Assuming all the regex-emacs-tests and search-tests pass after this
change, please install on emacs-29, and thanks.
This bug report was last modified 2 years and 147 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.