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Date: Fri, 26 Jan 2007 15:04:15 -0800
From: Brian Dessent <brian@dessent.net>
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CC: bug-grep@gnu.org
Subject: Re: grep -P segfault
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Brian Dessent wrote:

> Right before calling memchr, beg points to the first byte in the string
> "hello\n", end points to the \n character, and so does buflim.  Thus
> (buflim - end) is zero, and memchr returns NULL.  From there match_size
> is miscalculated and from there it's all downhill.  The test for EOL
> should be skipped if buflim == end.

I see this is an old bug, reported and fixed in CVS nearly two years
ago:

http://lists.gnu.org/archive/html/bug-grep/2005-02/msg00052.html
http://savannah.gnu.org/bugs/?4531

And yet apparently the last released version is still 2.5.1a from
19-Nov-2004.  Sigh.

Brian

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