X-RT-Interface: Email Content-Transfer-Encoding: quoted-printable In-Reply-To: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,RP_MATCHES_RCVD autolearn=unavailable autolearn_force=no version=3.4.1 Date: Mon, 11 Dec 2017 10:08:54 +1100 From marka@isc.org Sun Dec 10 23:09:00 2017 MIME-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: [ISC-Bugs #46806] dig crash on malformed domain name argument X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mx.pao1.isc.org Message-ID: <404386C7-4DF7-4434-A4D7-0CCBD0BD3E2E@isc.org> X-RT-Original-Encoding: utf-8 To: bind9-confidential@isc.org X-Mailer: Apple Mail (2.3273) X-RT-Incoming-Encryption: Not encrypted content-type: text/plain; charset="utf-8" Delivered-To: bind9-confidential@bugs.isc.org X-Original-To: bind9-confidential@bugs.isc.org Received: from mx.pao1.isc.org (mx.pao1.isc.org [149.20.64.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx.pao1.isc.org", Issuer "COMODO RSA Organization Validation Secure Server CA" (not verified)) by bugs.isc.org (Postfix) with ESMTPS id 1435FD78B0B for ; Sun, 10 Dec 2017 23:09:00 +0000 (UTC) Received: from zmx1.isc.org (zmx1.isc.org [149.20.0.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx.pao1.isc.org (Postfix) with ESMTPS id 17B2A3B524B for ; Sun, 10 Dec 2017 23:08:57 +0000 (UTC) Received: from zmx1.isc.org (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTPS id 0843A160079 for ; Sun, 10 Dec 2017 23:08:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTP id E464616007A for ; Sun, 10 Dec 2017 23:08:56 +0000 (UTC) Received: from zmx1.isc.org ([127.0.0.1]) by localhost (zmx1.isc.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id IhTknH011oqE for ; Sun, 10 Dec 2017 23:08:56 +0000 (UTC) Received: from [172.30.42.89] (c27-253-115-14.carlnfd2.nsw.optusnet.com.au [27.253.115.14]) by zmx1.isc.org (Postfix) with ESMTPSA id 6E20A160079 for ; Sun, 10 Dec 2017 23:08:56 +0000 (UTC) From: "Mark Andrews" References: Return-Path: RT-Message-ID: Content-Length: 2311 diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c index dd562f376a..ac2db2a020 100644 --- a/bin/dig/dighost.c +++ b/bin/dig/dighost.c @@ -2203,6 +2203,8 @@ setup_lookup(dig_lookup_t *lookup) { #if TARGET_OS_IPHONE check_next_lookup(current_lookup); return (ISC_FALSE); +#else + digexit(); #endif } } > On 9 Dec 2017, at 2:14 am, Tony Finch via RT wrote: > > > Fri Dec 08 15:14:40 2017: Request 46806 was acted upon. > Transaction: Ticket created by dot@dotat.at > Queue: bind9-confidential > Subject: dig crash on malformed domain name argument > Owner: Nobody > Requestors: dot@dotat.at > Status: new > Ticket > ----------------------------------------------------------------------- > > > $ dig +dnssec nsec \\0.se. > dig: '\0.se.' is not a legal name (bad escape) > name.c:1414: REQUIRE((__builtin_expect(!!((name) != ((void *)0)), 1) && __builtin_expect(!!(((const isc__magic_t *)(name))->magic == ((('D') << 24 | ('N') << 16 | ('S') << 8 | ('n')))), 1))) failed, back trace > #0 0x558c30cd7067 in __do_global_dtors_aux_fini_array_entry()+0x558c308178e7 > #1 0x558c30cd6fba in __do_global_dtors_aux_fini_array_entry()+0x558c3081783a > #2 0x558c30b6b33a in __do_global_dtors_aux_fini_array_entry()+0x558c306abbba > #3 0x558c30b6cdae in __do_global_dtors_aux_fini_array_entry()+0x558c306ad62e > #4 0x558c30b474a4 in __do_global_dtors_aux_fini_array_entry()+0x558c30687d24 > #5 0x558c30b49402 in __do_global_dtors_aux_fini_array_entry()+0x558c30689c82 > #6 0x558c30b4d016 in __do_global_dtors_aux_fini_array_entry()+0x558c3068d896 > #7 0x558c30cfa827 in __do_global_dtors_aux_fini_array_entry()+0x558c3083b0a7 > #8 0x7fe65e3b5064 in __do_global_dtors_aux_fini_array_entry()+0x7fe65def58e4 > #9 0x7fe65dd8362d in __do_global_dtors_aux_fini_array_entry()+0x7fe65d8c3ead > Aborted > > Tony. > -- > f.anthony.n.finch http://dotat.at/ - I xn--zr8h punycode > Thames: Northwest 6 to gale 8. Rough or very rough. Wintry showers. Mainly > good. > > -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@isc.org