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Date: Tue, 19 Aug 2008 10:49:23 +0400
From: Stanislav Sedov <stas@FreeBSD.org>
To: Yuri Pankov <yuri.pankov@gmail.com>
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Cc: freebsd-current@freebsd.org
Subject: Re: regex regression?
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On Tue, 19 Aug 2008 09:50:55 +0400
Yuri Pankov <yuri.pankov@gmail.com> mentioned:

> Hi,
>=20
> Looks like regcomp() doesn't detect invalid backreferences on
> -CURRENT, though it works normally on 6.3-RELEASE.
>=20
> simple testcase:
>=20
> 6.3-RELEASE:
> $ echo test | sed 's/test/\1/'
> sed: 1: "s/test/\1/": \1 not defined in the RE
>=20
> -CURRENT:
> $ echo test | sed 's/test/\1/'
> Segmentation fault (core dumped)
>

7-STABLE is also affected. Seems that regression was in r171284.

--=20
Stanislav Sedov
ST4096-RIPE

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