GNU bug report logs - #19169
grep -P with Latin-1 input crashes

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#19169: closed (grep -P with Latin-1 input crashes)
Date: Mon, 24 Nov 2014 19:29:02 +0000

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Your message dated Mon, 24 Nov 2014 11:28:02 -0800
with message-id <547386C2.9060602 <at> cs.ucla.edu>
and subject line Re: bug#19169: grep -P with Latin-1 input crashes
has caused the debbugs.gnu.org bug report #19169,
regarding grep -P with Latin-1 input crashes
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: "Christian Kern (s+c)" <c.kern <at> science-computing.de>
To: bug-grep <at> gnu.org
Subject: grep -P with Latin-1 input crashes
Date: Mon, 24 Nov 2014 18:22:26 +0100

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Hi folks,

if you run grep 2.6.3 under RedHat Enterprise Linux 6.6
with option "-P" and feed it with Latin-1 characters,
it crashes with a coredump.
grep 2.5.2 and grep 2.7.0 are not affected.
Do you fix old versions?

A single "ü" (german u-Umlaut, i.e. u with a trema)
is with any totally simple search pattern is sufficient.

I have appended a test file.

Best regards,
Christian* Kern

*) no religion here, it's just my first name

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[testfile_with_german_umlaut.tar.gz (application/x-compressed-tar, attachment)]

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: c.kern <at> science-computing.de, 19169-done <at> debbugs.gnu.org
Subject: Re: bug#19169: grep -P with Latin-1 input crashes
Date: Mon, 24 Nov 2014 11:28:02 -0800

On 11/24/2014 09:22 AM, Christian Kern (s+c) wrote:

> Do you fix old versions?

No, our fixes appear in new versions.  But Red Hat might fix your old 
version -- you can try writing them.

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