From owner-freebsd-bugs@FreeBSD.ORG Tue Dec 2 13:00:02 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6293D1065677 for ; Tue, 2 Dec 2008 13:00:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 3C2248FC22 for ; Tue, 2 Dec 2008 13:00:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id mB2D02uh066210 for ; Tue, 2 Dec 2008 13:00:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id mB2D026G066209; Tue, 2 Dec 2008 13:00:02 GMT (envelope-from gnats) Resent-Date: Tue, 2 Dec 2008 13:00:02 GMT Resent-Message-Id: <200812021300.mB2D026G066209@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Mathieu Virbel Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 753E21065672 for ; Tue, 2 Dec 2008 12:56:19 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 60FB98FC1F for ; Tue, 2 Dec 2008 12:56:19 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id mB2CuIqq012252 for ; Tue, 2 Dec 2008 12:56:18 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id mB2CuIJH012249; Tue, 2 Dec 2008 12:56:18 GMT (envelope-from nobody) Message-Id: <200812021256.mB2CuIJH012249@www.freebsd.org> Date: Tue, 2 Dec 2008 12:56:18 GMT From: Mathieu Virbel To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: bin/129370: sed: invalid output (memory dump) with invalid regexp and \1 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2008 13:00:02 -0000 >Number: 129370 >Category: bin >Synopsis: sed: invalid output (memory dump) with invalid regexp and \1 >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Dec 02 13:00:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Mathieu Virbel >Release: 7.0-STABLE >Organization: NETASQ >Environment: FreeBSD quark 7.0-STABLE FreeBSD 7.0-STABLE #1: Thu Oct 9 16:19:45 CEST 2008 root@quark:/usr/obj/usr/src/sys/GENERIC i386 >Description: Instead of report an invalid regexp error, sed abort anormaly when we doing bad things like : Command: echo 'a' | sed 's/^a/\1/' Result: sed: realloc: Cannot allocate memory Command: echo 'aa' | sed 's/^a/\1/' Result: (@(@(@(@(@(@(@(@(@(@(@(@(@(@(... << memory dump. What we would like to have -------------------------- Command: echo 'a' | sed 's/^a/\1/' Result: sed: -e expression #1, char 8: invalid reference \1 on `s' command's RHS >How-To-Repeat: Try one of these : - echo 'a' | sed 's/^a/\1/' - echo 'aa' | sed 's/^a/\1/' >Fix: >Release-Note: >Audit-Trail: >Unformatted: