GNU bug report logs - #21513
assertion error in pop_fail_stack

Previous Next

Package: grep;

Reported by: Hanno Böck <hanno <at> hboeck.de>

Date: Fri, 18 Sep 2015 16:38:02 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

Full log

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Hanno Böck <hanno <at> hboeck.de>
To: bug-grep <at> gnu.org
Subject: assertion error in pop_fail_stack
Date: Fri, 18 Sep 2015 18:37:57 +0200

[Message part 1 (text/plain, inline)]
Hi,

This command
grep -E '0|()0|\1|0'
will cause an assert error:
grep: regexec.c:1401: pop_fail_stack: Assertion `num >= 0' failed.


Happens both in the latest release (2.21) and the latest git code.

(this was found with american fuzzy lop)

cu,
-- 
Hanno Böck
http://hboeck.de/

mail/jabber: hanno <at> hboeck.de
GPG: BBB51E42

[Message part 2 (application/pgp-signature, inline)]
This bug report was last modified 5 years and 174 days ago.

Previous Next

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