GNU bug report logs - #21513
assertion error in pop_fail_stack

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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.

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From: Hanno Böck <hanno <at> hboeck.de>
To: 21513 <at> debbugs.gnu.org
Subject: bug#21513: assertion error in pop_fail_stack
Date: Fri, 18 Sep 2015 18:37:57 +0200

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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

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This bug report was last modified 5 years and 176 days ago.

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