From owner-freebsd-bugs@FreeBSD.ORG Tue Jul 24 19:10:11 2012 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 8F73F1065673 for ; Tue, 24 Jul 2012 19:10:11 +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 66E768FC0C for ; Tue, 24 Jul 2012 19:10:11 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q6OJAB2T062188 for ; Tue, 24 Jul 2012 19:10:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q6OJABbi062187; Tue, 24 Jul 2012 19:10:11 GMT (envelope-from gnats) Resent-Date: Tue, 24 Jul 2012 19:10:11 GMT Resent-Message-Id: <201207241910.q6OJABbi062187@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, frf@xocolatl.com Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 58E59106564A for ; Tue, 24 Jul 2012 19:08:14 +0000 (UTC) (envelope-from frf@xocolatl.com) Received: from sour.xocolatl.com (unknown [IPv6:2001:470:1f04:1be5::2]) by mx1.freebsd.org (Postfix) with ESMTP id 065AC8FC16 for ; Tue, 24 Jul 2012 19:08:13 +0000 (UTC) Received: from sour.xocolatl.com (localhost [127.0.0.1]) by sour.xocolatl.com (8.14.5/8.14.5) with ESMTP id q6OJ8DqG034771 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 24 Jul 2012 12:08:13 -0700 (PDT) (envelope-from frf@sour.xocolatl.com) Received: (from frf@localhost) by sour.xocolatl.com (8.14.5/8.14.5/Submit) id q6OJ8Dro034770; Tue, 24 Jul 2012 12:08:13 -0700 (PDT) (envelope-from frf) Message-Id: <201207241908.q6OJ8Dro034770@sour.xocolatl.com> Date: Tue, 24 Jul 2012 12:08:13 -0700 (PDT) From: frf@xocolatl.com To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/170116: IPv6 with AH broken ~2012.07.08.12.00.00 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: frf@xocolatl.com List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Jul 2012 19:10:11 -0000 >Number: 170116 >Category: kern >Synopsis: IPv6 with AH broken ~2012.07.08.12.00.00 >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jul 24 19:10:11 UTC 2012 >Closed-Date: >Last-Modified: >Originator: frf@xocolatl.com >Release: FreeBSD 9.1-PRERELEASE >Organization: poor >Environment: System: FreeBSD ncst48.local.lab 9.0-STABLE FreeBSD 9.0-STABLE #52: Tue Jul 24 17:49:29 UTC 2012 root@ncst48.local.lab:/usr/obj/usr/src/sys/NCST48 i386 >Description: IPv6 TCP frames using AH are not transmitted and dropped, with error: 9.1-PRERELEASE (Current as of 2012.07.24.00.00) kernel: in6_delayed_cksum: delayed m_pullup, m->len: 40 off: 46 9.0-STABLE (From 2012.07.08.12.15.00) kernel: in_cksum_skip: out of data by 64369 (number varies) 9.0-STABLE (From 2012.07.08.12.00.00) Works but prints in_cksum_skip error. Broken: cvsup date=2012.07.08.12.15.00 Edit src/sys/net/if_loop.c Add delta 1.143.2.2 2012.07.08.12.01.11 bz Edit src/sys/netinet/tcp_input.c Add delta 1.437.2.8 2012.07.08.12.12.34 bz Edit src/sys/netinet/tcp_output.c Add delta 1.184.2.4 2012.07.08.12.12.34 bz Edit src/sys/netinet/tcp_subr.c Add delta 1.383.2.4 2012.07.08.12.12.34 bz Edit src/sys/netinet/tcp_syncache.c Add delta 1.190.2.4 2012.07.08.12.12.34 bz Edit src/sys/netinet/tcp_timewait.c Add delta 1.316.2.4 2012.07.08.12.12.34 bz Works: cvsup date=2012.07.08.12.00.00 Edit src/sys/net/if_loop.c Add delta 1.143.2.1 2011.09.23.00.51.37 kensmith Edit src/sys/netinet/tcp_input.c Add delta 1.437.2.7 2012.06.05.11.28.57 bz Edit src/sys/netinet/tcp_output.c Add delta 1.184.2.3 2012.05.19.18.32.31 bz Edit src/sys/netinet/tcp_subr.c Add delta 1.383.2.3 2012.05.05.07.55.50 glebius Edit src/sys/netinet/tcp_syncache.c Add delta 1.190.2.3 2012.05.19.18.32.31 bz Edit src/sys/netinet/tcp_timewait.c Add delta 1.316.2.3 2012.05.19.18.32.31 bz >How-To-Repeat: Configure IPv6 (autoconf or manual) Configure ipsec via setkey and ipsec.conf add -6 ah 0x123456 -A hmac-sha1 0x; add -6 ah 0x123456 -A hmac-sha1 0x; spdadd any -P out ipsec ah/transport//require ; spdadd any -P in ipsec ah/transport//require; TCP fails. From broken host; tcpdump shows no output but does show input from other end. netstat -n show SYN_RECVD state for connetion. ICMP works This worked prior to July 8th 2012. >Fix: Unknown, but breakage is related to changes to checksum and offload processing in the above listed files MFC'd on July 8th by bz@freebsd.org >Release-Note: >Audit-Trail: >Unformatted: