From owner-freebsd-bugs@FreeBSD.ORG Mon Jan 28 09:10:01 2013 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 0F1D5DC9 for ; Mon, 28 Jan 2013 09:10:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id CF82F2FE for ; Mon, 28 Jan 2013 09:10:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.6/8.14.6) with ESMTP id r0S9A068012200 for ; Mon, 28 Jan 2013 09:10:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.6/8.14.6/Submit) id r0S9A0A0012196; Mon, 28 Jan 2013 09:10:00 GMT (envelope-from gnats) Resent-Date: Mon, 28 Jan 2013 09:10:00 GMT Resent-Message-Id: <201301280910.r0S9A0A0012196@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, Dmitry Dvoinikov Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 0E677DB7 for ; Mon, 28 Jan 2013 09:09:29 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id DB70C2F4 for ; Mon, 28 Jan 2013 09:09:28 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.5/8.14.5) with ESMTP id r0S99RBs002545 for ; Mon, 28 Jan 2013 09:09:27 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.5/8.14.5/Submit) id r0S99RVD002544; Mon, 28 Jan 2013 09:09:27 GMT (envelope-from nobody) Message-Id: <201301280909.r0S99RVD002544@red.freebsd.org> Date: Mon, 28 Jan 2013 09:09:27 GMT From: Dmitry Dvoinikov To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: misc/175645: tcpdump incorrectly decodes pflog'ged UDP packet as ATALK X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jan 2013 09:10:01 -0000 >Number: 175645 >Category: misc >Synopsis: tcpdump incorrectly decodes pflog'ged UDP packet as ATALK >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jan 28 09:10:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Dmitry Dvoinikov >Release: 8.3 >Organization: www.infosysco.ru >Environment: FreeBSD foo 8.3-RELEASE-p5 FreeBSD 8.3-RELEASE-p5 #1: Wed Dec 12 23:29:24 YEKT 2012 admin@foo:/opt/obj/opt/src/sys/FOO i386 >Description: Some UDP packet, saved by pflog, is decoded incorrectly as ATALK. tcpdump output: # tcpdump -r packet.pcap reading from file packet.pcap, link-type PFLOG (OpenBSD pflog file) 11:22:11.296532 IP 115.61.0.254 > 143.12.228.91: at-#100 5 whereas the (presumably correct) wireshark output: Frame 1: 110 bytes on wire (880 bits), 110 bytes captured (880 bits) PF Log IPv4 pass on ifc by rule 0 Internet Protocol Version 4, Src: 172.30.0.11 (172.30.0.11), Dst: 193.120.212.22 (193.120.212.22) User Datagram Protocol, Src Port: 55573 (55573), Dst Port: 16605 (16605) Data (18 bytes) >How-To-Repeat: openssl base64 -d > packet.pcap << EOF 1MOyoQIABAAAAAAAAAAAAHQAAAB1AAAAAwsGUVSGBABuAAAAbgAAAD0CAABpZmMA AAAAAAAAAAAAAAAAYW5jaG9yX25hbWUAAAAAAAAAABwAAAAC/////6CGAQAAAAAA ggUAAAEAAABFAAAuAABAAEAR+QasHgALwXjUFtkVQN0AGrhGUxUCmI8Mcz3kAFv+ ZGyAi27Z EOF tcpdump -r packet.pcap >Fix: >Release-Note: >Audit-Trail: >Unformatted: