From owner-freebsd-bugs@freebsd.org Fri Jul 1 18:42:16 2016 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 58F6BB8F84E for ; Fri, 1 Jul 2016 18:42:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 426122F0D for ; Fri, 1 Jul 2016 18:42:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u61IgGNQ029401 for ; Fri, 1 Jul 2016 18:42:16 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 210747] Routing table screwed up when adding routes for IPv6 Date: Fri, 01 Jul 2016 18:42:16 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: tuexen@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Jul 2016 18:42:16 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210747 Bug ID: 210747 Summary: Routing table screwed up when adding routes for IPv6 Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: tuexen@freebsd.org Steps to reproduce: 1. Create an interface sudo ifconfig tun0 create inet6 fd3d:fa7b:d17d::1/48 2. Check routing table netstat -nrfinet6 Routing tables Internet6: Destination Gateway Flags N= etif Expire ::/96 ::1 UGRS = lo0 ::1 link#2 UH = lo0 ::ffff:0.0.0.0/96 ::1 UGRS = lo0 fd3d:fa7b:d17d::/48 link#3 U = tun0 fd3d:fa7b:d17d::1 link#3 UHS = lo0 fe80::/10 ::1 UGRS = lo0 fe80::%em0/64 link#1 U = em0 fe80::20c:29ff:fe8a:8910%em0 link#1 UHS = lo0 fe80::%lo0/64 link#2 U = lo0 fe80::1%lo0 link#2 UHS = lo0 fe80::%tun0/64 link#3 U = tun0 fe80::20c:29ff:fe8a:8910%tun0 link#3 UHS = lo0 ff02::/16 ::1 UGRS = lo0 3. Add route sudo route add -inet6 2001:DB8::1/32 -interface tun0 fd3d:fa7b:d17d::2 add net 2001:DB8::1/32: gateway tun0 4. Check routing table [freebsd11:~] tuexen% netstat -nrfinet6 Routing tables Internet6: Destination Gateway Flags N= etif Expire ::/96 ::1 UGRS = lo0 ::1 link#2 UH = lo0 ::ffff:0.0.0.0/96 ::1 UGRS = lo0 illegal prefixlen 2001:838::/0 tun0 US = tun0 fd3d:fa7b:d17d::/48 link#3 U = tun0 fd3d:fa7b:d17d::1 link#3 UHS = lo0 fe80::/10 ::1 UGRS = lo0 fe80::%em0/64 link#1 U = em0 fe80::20c:29ff:fe8a:8910%em0 link#1 UHS = lo0 fe80::%lo0/64 link#2 U = lo0 fe80::1%lo0 link#2 UHS = lo0 fe80::%tun0/64 link#3 U = tun0 fe80::20c:29ff:fe8a:8910%tun0 link#3 UHS = lo0 ff02::/16 ::1 UGRS = lo0 The problem is with "illegal prefixlen" and the network being displayed 2001:838::/0. The problem does not occur when using sudo route add -inet6 2001:DB8::1/32 fd3d:fa7b:d17d::2 in step 3. --=20 You are receiving this mail because: You are the assignee for the bug.=