From debbugs-submit-bounces@debbugs.gnu.org Sun Jun 09 11:29:23 2019 Received: (at submit) by debbugs.gnu.org; 9 Jun 2019 15:29:23 +0000 Received: from localhost ([127.0.0.1]:55213 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hZzl4-0001d7-51 for submit@debbugs.gnu.org; Sun, 09 Jun 2019 11:29:22 -0400 Received: from lists.gnu.org ([209.51.188.17]:46497) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hZskq-0005MQ-82 for submit@debbugs.gnu.org; Sun, 09 Jun 2019 04:00:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50605) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZskp-0006r5-0r for bug-grep@gnu.org; Sun, 09 Jun 2019 04:00:40 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,URIBL_BLOCKED autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZsko-0001Y5-45 for bug-grep@gnu.org; Sun, 09 Jun 2019 04:00:38 -0400 Received: from smtp-36.italiaonline.it ([213.209.10.36]:57428 helo=libero.it) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hZskn-0001XG-QF for bug-grep@gnu.org; Sun, 09 Jun 2019 04:00:38 -0400 Received: from localhost ([151.15.190.244]) by smtp-36.iol.local with ESMTPA id Zskihv3g5GqCXZskihWEr1; Sun, 09 Jun 2019 10:00:33 +0200 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=libero.it; s=s2014; t=1560067235; bh=EvO9LLiSiuysn1kOtgGCjdtZoOm+/O2/4ZuJB9wQwLQ=; h=Date:From:To:Subject; b=PEz19Moxv242HiAoMWxVVCas52bIY9fxtlFGy4VwBHJgKTGXsJU33vZ2rxza0kS48 VdIprLIftV7CC2E7mrLrlxHOU9M1K6t2RsQmXnQatpUEOJzN7PG2de2atsQU0Z5v6C Mv9c+qQAanSa2fk3/aT2ZCpzT4a270ab/wAKlE3a0V8wV7ddCX3ZQTfTzzEer4EuIi LP92AXyQQZF2rf6hcHiiC7cTHnmzLwARTjCDCwrUA4vQJlRyzHkSKENUAgYGSR7qhX LHszPSXK06RLsb86GbWrxux9zk1NSga8LSo5wXDrUYghoYa2X7a3/COLk2f1Ax5QeC WYcmg5ZXP3R1A== X-CNFS-Analysis: v=2.3 cv=IofPj43g c=1 sm=1 tr=0 a=XzvzAlnx5skC+0spddO+ig==:117 a=XzvzAlnx5skC+0spddO+ig==:17 a=kj9zAlcOel0A:10 a=4TDtqyubXOBDjDHEGnMA:9 a=CjuIK1q_8ugA:10 Date: Sun, 9 Jun 2019 10:00:24 +0200 From: g1pi@libero.it To: bug-grep@gnu.org Subject: inconsistent behaviour with anchored regex containing back-references Message-ID: <20190609080024.sywtiytvlajpd4ko@moon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) X-CMAE-Envelope: MS4wfIHarwt+9ZFwfqtR4uprOd4gs68SFi4Ny9QRG1tUgtM+DfFS5SPcAuntZGdSlEKDTosd1pNvbsPOzUKwnv7h3m9lsHYFCRMNX1qt9RZoiZeLPtJ/wZpX W82IHsDO0bu5UJrK//L9WcTwBA7qUQVOvpCz3lln5hSP1goO50KBIVB9FHBH+16hrzdTbsKTmswu6w== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 213.209.10.36 X-Spam-Score: -1.4 (-) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Sun, 09 Jun 2019 11:29:20 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.4 (--) There seems to be a problem with beginning/end-of-line anchors in regex containing back-references: $ grep -V | head -1 grep (GNU grep) 3.1 $ cat words ana deed ill stats Using -x to match whole line works: $ egrep -x '(.?)(.?).?\2\1' words ana deed stats Using explicit anchors emits false positives: $ egrep '^(.?)(.?).?\2\1$' words ana deed ill <<< stats On the other hand, colouring the output shows that grep somewhat knows its mistake: $ egrep --color '^(.?)(.?).?\2\1$' words ana (coloured) deed (coloured) ill stats (coloured) From debbugs-submit-bounces@debbugs.gnu.org Thu Jan 02 04:34:33 2020 Received: (at control) by debbugs.gnu.org; 2 Jan 2020 09:34:33 +0000 Received: from localhost ([127.0.0.1]:38180 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1imwsD-0001av-3G for submit@debbugs.gnu.org; Thu, 02 Jan 2020 04:34:33 -0500 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:48008) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1imwsB-0001ai-OX for control@debbugs.gnu.org; Thu, 02 Jan 2020 04:34:32 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 63149160017 for ; Thu, 2 Jan 2020 01:34:26 -0800 (PST) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 9dm7s2WWvdq1 for ; Thu, 2 Jan 2020 01:34:25 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id C6D20160054 for ; Thu, 2 Jan 2020 01:34:25 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id Vy5h6b-DJTJT for ; Thu, 2 Jan 2020 01:34:25 -0800 (PST) Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id A8208160017 for ; Thu, 2 Jan 2020 01:34:25 -0800 (PST) To: control@debbugs.gnu.org From: Paul Eggert Subject: 26864 and 36148 are the same bug Organization: UCLA Computer Science Department Message-ID: Date: Thu, 2 Jan 2020 01:34:25 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) merge 36148 26864 From debbugs-submit-bounces@debbugs.gnu.org Thu Jan 02 04:37:28 2020 Received: (at 36148) by debbugs.gnu.org; 2 Jan 2020 09:37:28 +0000 Received: from localhost ([127.0.0.1]:38189 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1imwv2-0001gB-Ih for submit@debbugs.gnu.org; Thu, 02 Jan 2020 04:37:28 -0500 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:48218) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1imwv1-0001fx-HD for 36148@debbugs.gnu.org; Thu, 02 Jan 2020 04:37:27 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id F3B85160017; Thu, 2 Jan 2020 01:37:21 -0800 (PST) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 2hQvgPSBW9BX; Thu, 2 Jan 2020 01:37:21 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 28C5C160054; Thu, 2 Jan 2020 01:37:21 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 0R1K6kuUYD7Y; Thu, 2 Jan 2020 01:37:21 -0800 (PST) Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id F256C160017; Thu, 2 Jan 2020 01:37:20 -0800 (PST) To: g1pi@libero.it From: Paul Eggert Subject: Re: inconsistent behaviour with anchored regex containing back-references Organization: UCLA Computer Science Department Message-ID: <1ded0af3-1c7d-9386-0ccb-dc75527c83de@cs.ucla.edu> Date: Thu, 2 Jan 2020 01:37:20 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 36148 Cc: 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Yes, back-references don't work very well. This looks to be the same bug as Bug#26864 so I have merged the two bug reports. From debbugs-submit-bounces@debbugs.gnu.org Thu Dec 01 20:22:56 2022 Received: (at 36148) by debbugs.gnu.org; 2 Dec 2022 01:22:56 +0000 Received: from localhost ([127.0.0.1]:43077 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p0ulU-0004Dn-33 for submit@debbugs.gnu.org; Thu, 01 Dec 2022 20:22:56 -0500 Received: from bonn.mirbsd.org ([217.91.129.195]:32637 helo=herc.mirbsd.org ident=root) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p0ulO-0004Dh-GP for 36148@debbugs.gnu.org; Thu, 01 Dec 2022 20:22:54 -0500 Received: from herc.mirbsd.org (tg@herc.mirbsd.org [192.168.0.82]) by herc.mirbsd.org (8.14.9/8.14.5) with ESMTP id 2B21L1l1011501 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for <36148@debbugs.gnu.org>; Fri, 2 Dec 2022 01:21:04 GMT Date: Fri, 2 Dec 2022 01:21:01 +0000 (UTC) From: Thorsten Glaser X-X-Sender: tg@herc.mirbsd.org To: 36148@debbugs.gnu.org Subject: Debian Bug#930247: grep: does not handle backreferences correctly, violating POSIX Message-ID: Content-Language: de-DE-1901, en-GB X-Message-Flag: Your mailer is broken. Get an update at http://www.washington.edu/pine/getpine/pcpine.html for free. MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36148 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Please fix this bug, it=E2=80=99s really bad and embarrassing. It looks like instead of matching =E2=80=9Cthe same[=E2=80=A6]string of cha= racters as was matched by a subexpression[=E2=80=A6]preceding=E2=80=9D, it matches wit= h the same as the previous subexpression used? ---------- Forwarded message ---------- Message-ID: <166994354000.10956.15575266799036445295.reportbug@x61w.mirbsd.= org> Date: Fri, 02 Dec 2022 02:12:20 +0100 Subject: Bug#930247: grep: inconsistent behaviour with anchored regex conta= ining back-references Package: grep Version: 3.6-1 Followup-For: Bug #930247 X-Debbugs-Cc: tg@mirbsd.de Control: found 930247 3.8-3 Control: severity 930247 serious Control: retitle 930247 grep: does not handle backreferences correctly, vio= lating POSIX I=E2=80=99m running into this, in stable and unstable both: (sid-amd64)tglase@tglase:/tmp $ cat x Total failed: 0 Total failed: 1 (1 ignored) Total failed: 2 (1 ignored) Total failed: 1 (2 ignored) Total failed: 1 Total failed: 111 (sid-amd64)tglase@tglase:/tmp $ grep -e '^Total failed: 0$' -e '^Total fail= ed: \([0-9]*\) (\1 ignored)$' x Total failed: 0 Total failed: 1 (1 ignored) Total failed: 2 (1 ignored) Total failed: 1 (2 ignored) By contrast, BSD handles it correctly: tg@tglase-bsd:/tmp $ grep -e '^Total failed: 0$' -e '^Total failed: \([0-9]= *\) (\1 ignored)$' x Total failed: 0 Total failed: 1 (1 ignored) POSIX: 3. The back-reference expression '\n' shall match the same (possibly empty) string of characters as was matched by a subexpression enclosed between "\(" and "\)" preceding the '\n'. The character via https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.htm= l#tag_09_03 from https://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html Please fix this clear standards violation; it makes grep virtually unusable. -- System Information: Debian Release: 11.5 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'sta= ble') Architecture: amd64 (x86_64) Kernel: Linux 5.10.0-19-amd64 (SMP w/2 CPU threads) Locale: LANG=3DC, LC_CTYPE=3DC (charmap=3DUTF-8) (ignored: LC_ALL set to C.= UTF-8), LANGUAGE not set Shell: /bin/sh linked to /bin/lksh Init: sysvinit (via /sbin/init) Versions of packages grep depends on: ii dpkg 1.20.12 ii install-info 6.7.0.dfsg.2-6 ii libc6 2.31-13+deb11u5 ii libpcre3 2:8.39-13 grep recommends no packages. Versions of packages grep suggests: ii libpcre3 2:8.39-13 -- no debconf information From debbugs-submit-bounces@debbugs.gnu.org Mon Dec 05 17:25:15 2022 Received: (at 36148) by debbugs.gnu.org; 5 Dec 2022 22:25:15 +0000 Received: from localhost ([127.0.0.1]:38751 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2Jti-0002KK-Oi for submit@debbugs.gnu.org; Mon, 05 Dec 2022 17:25:15 -0500 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:51180) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2Jtg-0002KA-G3 for 36148@debbugs.gnu.org; Mon, 05 Dec 2022 17:25:13 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 33B8D160054; Mon, 5 Dec 2022 14:25:06 -0800 (PST) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id VG4ZhSBQNinl; Mon, 5 Dec 2022 14:25:05 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E2EFF160069; Mon, 5 Dec 2022 14:25:04 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.9.2 zimbra.cs.ucla.edu E2EFF160069 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=78364E5A-2AF3-11ED-87FA-8298ECA2D365; t=1670279104; bh=yrn2zKG1GKKOtg+AxnZuin9X1aIJi+NhB+FxuccljF4=; h=Content-Type:Message-ID:Date:MIME-Version:Subject:To:From; b=tS8+cMIlmsOXanQnH7xehCx8kdwBBfyhI/NADcsAMz3n4J/ABhCdkd1f7UEgqzw13 omKQ8/FSlvMmy4yPCTmxUpxF6jJ6uzVbC/X7tixrdRasgqVCKpefNBCtqo7/4uce9I bj+AKiA8bvU/s7qBpabnb37au+lyiFElcq5i+t+U= X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id EcCEH1bbZljC; Mon, 5 Dec 2022 14:25:04 -0800 (PST) Received: from [131.179.64.200] (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id B17D4160054; Mon, 5 Dec 2022 14:25:04 -0800 (PST) Content-Type: multipart/mixed; boundary="------------xGTw864I2ZCJO3j82vH0Rtno" Message-ID: <4c79e3cc-df7f-0028-7aa1-0f6b468bb9df@cs.ucla.edu> Date: Mon, 5 Dec 2022 14:25:00 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: bug#36148: Debian Bug#930247: grep: does not handle backreferences correctly, violating POSIX To: Thorsten Glaser References: <20190609080024.sywtiytvlajpd4ko@moon> Content-Language: en-US From: Paul Eggert Organization: UCLA Computer Science Department In-Reply-To: X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 36148 Cc: 930247@bugs.debian.org, 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) This is a multi-part message in MIME format. --------------xGTw864I2ZCJO3j82vH0Rtno Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable On 12/1/22 17:21, Thorsten Glaser wrote: > Please fix this bug, it=E2=80=99s really bad and embarrassing. Thanks for reporting it; I wasn't aware of it. Although you sent your email to 36148@debbugs.gnu.org /=20 930247@bugs.debian.9org, your email is reporting a separate bug, and I=20 fixed it in the development version of GNU grep by installing the=20 attached patch. This patch should appear in the next GNU grep release. I suggest not closing the original bug reports, since the original bug=20 remains. 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5 Dec 2022 23:45:04 +0000 Received: from localhost ([127.0.0.1]:39100 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2L8y-00033b-2x for submit@debbugs.gnu.org; Mon, 05 Dec 2022 18:45:04 -0500 Received: from bonn.mirbsd.org ([217.91.129.195]:27859 helo=herc.mirbsd.org ident=root) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p2L8v-00032v-Um for 36148@debbugs.gnu.org; Mon, 05 Dec 2022 18:45:02 -0500 Received: from herc.mirbsd.org (tg@herc.mirbsd.org [192.168.0.82]) by herc.mirbsd.org (8.14.9/8.14.5) with ESMTP id 2B5NaN0L012144 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 5 Dec 2022 23:36:25 GMT Date: Mon, 5 Dec 2022 23:36:23 +0000 (UTC) From: Thorsten Glaser X-X-Sender: tg@herc.mirbsd.org To: Paul Eggert Subject: Re: bug#36148: Debian Bug#930247: grep: does not handle backreferences correctly, violating POSIX In-Reply-To: <4c79e3cc-df7f-0028-7aa1-0f6b468bb9df@cs.ucla.edu> Message-ID: References: <20190609080024.sywtiytvlajpd4ko@moon> <4c79e3cc-df7f-0028-7aa1-0f6b468bb9df@cs.ucla.edu> Content-Language: de-DE-1901, en-GB X-Message-Flag: Your mailer is broken. Get an update at http://www.washington.edu/pine/getpine/pcpine.html for free. MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36148 Cc: 930247@bugs.debian.org, 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Paul Eggert dixit: > Although you sent your email to 36148@debbugs.gnu.org / > 930247@bugs.debian.9org, your email is reporting a separate bug Oh OK, I wasn=E2=80=99t aware, it sounded similar enough. > I fixed it in the development version of GNU grep by installing the > attached patch. This patch should appear in the next GNU grep release. Thank you! bye, //mirabilos --=20 "Using Lynx is like wearing a really good pair of shades: cuts out the glare and harmful UV (ultra-vanity), and you feel so-o-o COOL." -- Henry Nelson, March 1999 From debbugs-submit-bounces@debbugs.gnu.org Fri Jan 20 04:52:10 2023 Received: (at 36148) by debbugs.gnu.org; 20 Jan 2023 09:52:10 +0000 Received: from localhost ([127.0.0.1]:45619 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pIo49-0000GX-K6 for submit@debbugs.gnu.org; Fri, 20 Jan 2023 04:52:10 -0500 Received: from mx1.riseup.net ([198.252.153.129]:53498) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pIo44-0000Fz-N8 for 36148@debbugs.gnu.org; Fri, 20 Jan 2023 04:52:08 -0500 Received: from fews1.riseup.net (fews1-pn.riseup.net [10.0.1.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.riseup.net", Issuer "R3" (not verified)) by mx1.riseup.net (Postfix) with ESMTPS id 4Nyvsp2xm4zDqGM; Fri, 20 Jan 2023 09:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1674208318; bh=oohOj2IjTWttf2OMWilyAyyR++LNaCC8oG4QFmSVjMg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pNbQ0iLK/7KXsLdhEtQFUjGud7dXkb+8E+2N0BMrJdtuVkeV4r3GnXBdWuTjmobKv NISlPTFZEaCIQRtq2GgNAvOwMxAtN/yZGKHdqbeq+pYnLS104zcopUX0zGt4Au89lO 5rjHzdwUL1P3Yp1sUVzn1RNdlJDYSmJ0+X/mqyY0= X-Riseup-User-ID: F00B019F646714479DB95C806FCECF52D45567DD19515835D99F520E1747C39D Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews1.riseup.net (Postfix) with ESMTPSA id 4Nyvsn4Zmlz5vRK; Fri, 20 Jan 2023 09:51:57 +0000 (UTC) Date: Fri, 20 Jan 2023 10:51:55 +0100 From: Santiago Ruano =?iso-8859-1?Q?Rinc=F3n?= To: Thorsten Glaser , 930247@bugs.debian.org Subject: Re: Bug#930247: bug#36148: Debian Bug#930247: grep: does not handle backreferences correctly, violating POSIX Message-ID: References: <20190609080024.sywtiytvlajpd4ko@moon> <4c79e3cc-df7f-0028-7aa1-0f6b468bb9df@cs.ucla.edu> <156007212236.18833.10749572818220369939.reportbug@localhost.localdomain> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="h9OFbgvsTPVNYZfh" Content-Disposition: inline In-Reply-To: X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 36148 Cc: Paul Eggert , 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) --h9OFbgvsTPVNYZfh Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable El 05/12/22 a las 23:36, Thorsten Glaser escribi=C3=B3: > Paul Eggert dixit: >=20 > > Although you sent your email to 36148@debbugs.gnu.org / > > 930247@bugs.debian.9org, your email is reporting a separate bug >=20 > Oh OK, I wasn=E2=80=99t aware, it sounded similar enough. I'll clone the bug in Debian (and adjust severities), to make it easier to follow/differentiate both bugs. Paul, do you want me to do the same in debbugs.gnu.org? >=20 > > I fixed it in the development version of GNU grep by installing the > > attached patch. This patch should appear in the next GNU grep release. grep is now freezed in Debian bookworm, and I'll have to contact release-team about fixing this (in bullseye too). Cheers, -- Santiago --h9OFbgvsTPVNYZfh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRZVjztY8b+Ty43oH1itBCJKh26HQUCY8pkNgAKCRBitBCJKh26 HY4wAP9na0N0D3OBX9iSeszeh1Ak32zodxVixTpgX+iYbVSjeAD/a2zeYMr788SU vRVdDeHqPZZYknm4lLYr0Rw+Ngv3iwA= =NjKe -----END PGP SIGNATURE----- --h9OFbgvsTPVNYZfh-- From debbugs-submit-bounces@debbugs.gnu.org Fri Jan 20 09:38:08 2023 Received: (at 36148) by debbugs.gnu.org; 20 Jan 2023 14:38:08 +0000 Received: from localhost ([127.0.0.1]:46004 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pIsWu-0004LK-0r for submit@debbugs.gnu.org; Fri, 20 Jan 2023 09:38:08 -0500 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:38086) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pIsWr-0004Kp-Mw for 36148@debbugs.gnu.org; Fri, 20 Jan 2023 09:38:06 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id C88CA160040; Fri, 20 Jan 2023 06:37:58 -0800 (PST) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id yEiyY55dg2aV; Fri, 20 Jan 2023 06:37:58 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 239F716005E; Fri, 20 Jan 2023 06:37:58 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.9.2 zimbra.cs.ucla.edu 239F716005E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=78364E5A-2AF3-11ED-87FA-8298ECA2D365; t=1674225478; bh=f/Miy++AXFkFXMnFaPooFLx0ikg2jgAu0WkgozwAzLQ=; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type: Content-Transfer-Encoding; b=W3dldKe5KWeOOsur9vmsiPUqexdg6AIjqOi3pWRuceJdK9VKtRjCQ8lnZpTPKaCNc StaEbMa/lmCvFdEJxr+rIFToq9g8/S8Q1BqXPWjxLerRvPqyt9ooJ2cvHv6+oQGPUP RryFZfS7yIvn7NI/DJXRNFOE3CDx1d6EqA4i3q18= X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 0rNaLMfGIYme; Fri, 20 Jan 2023 06:37:58 -0800 (PST) Received: from [192.168.1.9] (cpe-172-91-119-151.socal.res.rr.com [172.91.119.151]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id E5A3A160040; Fri, 20 Jan 2023 06:37:57 -0800 (PST) Message-ID: Date: Fri, 20 Jan 2023 06:37:57 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: bug#36148: Debian Bug#930247: grep: does not handle backreferences correctly, violating POSIX To: =?UTF-8?Q?Santiago_Ruano_Rinc=c3=b3n?= , Thorsten Glaser , 930247@bugs.debian.org References: <20190609080024.sywtiytvlajpd4ko@moon> <4c79e3cc-df7f-0028-7aa1-0f6b468bb9df@cs.ucla.edu> <156007212236.18833.10749572818220369939.reportbug@localhost.localdomain> Content-Language: en-US From: Paul Eggert Organization: UCLA Computer Science Department In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Score: -3.4 (---) X-Debbugs-Envelope-To: 36148 Cc: 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.4 (----) On 2023-01-20 01:51, Santiago Ruano Rinc=C3=B3n wrote: > I'll clone the bug in Debian (and adjust severities), to make it easier > to follow/differentiate both bugs. >=20 > Paul, do you want me to do the same in debbugs.gnu.org? Please don't bother, since the bug is already fixed upstream. From debbugs-submit-bounces@debbugs.gnu.org Mon Mar 24 00:19:09 2025 Received: (at 36148) by debbugs.gnu.org; 24 Mar 2025 04:19:09 +0000 Received: from localhost ([127.0.0.1]:53657 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1twZHH-0003uA-Tv for submit@debbugs.gnu.org; Mon, 24 Mar 2025 00:19:09 -0400 Received: from evolvis.org ([217.144.135.11]:60166) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1twSHA-0004el-0M for 36148@debbugs.gnu.org; Sun, 23 Mar 2025 16:50:32 -0400 Received: from x61p.mirbsd.org (2001-4dd4-cd96-0-21d-e0ff-fe77-c17b.ipv6dyn.netcologne.de [IPv6:2001:4dd4:cd96:0:21d:e0ff:fe77:c17b]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X448 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) (Authenticated sender: x61p@relay.evolvis.org) by evolvis.org (Postfix) with ESMTPSA id 8E78A1002BB; Sun, 23 Mar 2025 20:50:29 +0000 (UTC) Received: by x61p.mirbsd.org (Postfix, from userid 1000) id 254AC14B131; Sun, 23 Mar 2025 21:50:29 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by x61p.mirbsd.org (Postfix) with ESMTP id 2024B14B129; Sun, 23 Mar 2025 21:50:29 +0100 (CET) Date: Sun, 23 Mar 2025 21:50:29 +0100 (CET) From: Thorsten Glaser To: 930247-done@bugs.debian.org Subject: grep backreference bug fixed in 3.9 upstream Message-ID: Content-Language: de-Zsym-DE-1901-u-em-text-rg-denw-tz-utc, en-Zsym-GB-u-cu-eur-em-text-fw-mon-hc-h23-ms-metric-mu-celsius-rg-denw-tz-utc-va-posix MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36148 X-Mailman-Approved-At: Mon, 24 Mar 2025 00:19:06 -0400 Cc: 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Version: 3.8-4 Fixed in Debian bookworm and sid, *buntu lunar. Upstream might want to close the corresponding bug as well? Thanks, //mirabilos -- Yes, I hate users and I want them to suffer. -- Marco d'Itri on gmane.linux.debian.devel.general From debbugs-submit-bounces@debbugs.gnu.org Mon Mar 24 00:58:14 2025 Received: (at 36148) by debbugs.gnu.org; 24 Mar 2025 04:58:14 +0000 Received: from localhost ([127.0.0.1]:53715 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1twZt7-0005rd-V4 for submit@debbugs.gnu.org; Mon, 24 Mar 2025 00:58:14 -0400 Received: from mail.cs.ucla.edu ([131.179.128.66]:43110) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1twZt4-0005rG-Ap for 36148@debbugs.gnu.org; Mon, 24 Mar 2025 00:58:12 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id ECBB83C01EBA3; Sun, 23 Mar 2025 21:58:03 -0700 (PDT) Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10032) with ESMTP id ecApzXK4oQ-3; Sun, 23 Mar 2025 21:58:02 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id D77313C0275C1; Sun, 23 Mar 2025 21:58:02 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.cs.ucla.edu D77313C0275C1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=9D0B346E-2AEB-11ED-9476-E14B719DCE6C; t=1742792282; bh=38OJdC9My8k0RSTP88xRxcWJYG7ZEHxOfOG+yx7FxL8=; h=Message-ID:Date:MIME-Version:To:From; b=FKapvP6m+vZDxq/wiHQHH6QNhhs3zDnOgz4+rSmd9JSAhUacfdN0SyUhtoBz2JOHS shGxUfh9MgKkCRRydYUDVg+xihc/QhDKZrUR09WE1wJAxWVvqXUmfpjcqMBKqvcBLR bSztYQYf8t0Gg7jKmOklV9fmyEjBLBYo9mDZPItNef1u1wG+1tPC6W08JAnq9AVA+x inynrnW1ebmz2d9abj3STHpLVg/HGZqHTKSdoiuMnL56/GDtBrD7oZsuzuAxlTJO4o V8hQoob61u2SNYt0d+wYLfyI07jfB88AHBlangXtwEpVymwofBOpHwlZrM3B7dUcuV nmHaCjugCFHOQ== X-Virus-Scanned: amavis at mail.cs.ucla.edu Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10026) with ESMTP id ztH288Vlpj7a; Sun, 23 Mar 2025 21:58:02 -0700 (PDT) Received: from [192.168.254.12] (47-147-225-25.fdr01.snmn.ca.ip.frontiernet.net [47.147.225.25]) by mail.cs.ucla.edu (Postfix) with ESMTPSA id B87D73C01EBA3; Sun, 23 Mar 2025 21:58:02 -0700 (PDT) Message-ID: <93669c0f-bb5d-4616-a6e4-c9253e482a34@cs.ucla.edu> Date: Sun, 23 Mar 2025 21:58:00 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#36148: grep backreference bug fixed in 3.9 upstream To: Thorsten Glaser , 930247-done@bugs.debian.org References: <20190609080024.sywtiytvlajpd4ko@moon> Content-Language: en-US From: Paul Eggert Organization: UCLA Computer Science Department In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36148 Cc: 36148@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) On 2025-03-23 13:50, Thorsten Glaser wrote: > Upstream might want to close the corresponding bug as well? As explained in , bug #36148 was originally about a different backreference bug that has not been fixed, so we shouldn't close that bug report.