From owner-freebsd-current@freebsd.org Sat Dec 22 00:19:19 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A87841339098 for ; Sat, 22 Dec 2018 00:19:19 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id E03D68AC20 for ; Sat, 22 Dec 2018 00:19:18 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mailman.ysv.freebsd.org (Postfix) id A34041339097; Sat, 22 Dec 2018 00:19:18 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7DE2B1339095 for ; Sat, 22 Dec 2018 00:19:18 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk1-x733.google.com (mail-qk1-x733.google.com [IPv6:2607:f8b0:4864:20::733]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 13FD08AC1F for ; Sat, 22 Dec 2018 00:19:18 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk1-x733.google.com with SMTP id q8so4181669qke.1 for ; Fri, 21 Dec 2018 16:19:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=85ZSFGYHhc7uaQFBfGYtHximzt6PCm48c/tJKulun/g=; b=gxwspBfEAPpwJmafO1yycIjVnLoAQRGnocKKeyepRaYiJyi7evBMybn26r7TTb2DKr FozGZxZugwjrKuPWQUIxRNu74D+GK3JW74x8zRwZPT6Th2KDb0T1s9qX+AuH1Z9GHbMv gzTJ9zB+0FhkYcBkTAYTakhIEaNEJvTb6d5+Z/5tu904czqmiKW5btMCRoQ9k/3MvoVl emEoA+390ZMD0ZN6YtdJcVifC5iRSq0HFSzpDe8I5oKPHzVT+DJOLhh3bof1jCFfpBBh gWMWzl+RoIHTmb9SyQ8yyIJzIqPjbSXhwwZHRH642TYe7uZ1hotZYKyOYgiI73PyiCzp K3YQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=85ZSFGYHhc7uaQFBfGYtHximzt6PCm48c/tJKulun/g=; b=DtC8snKvAMMD3vb2rLzV2cVszqwgvLCKJpl6OTmMy+RgAwKtZwYS2NvfMD0KU4VKcF MOVYJ+VimECqvrs/qdFFXo7C9+E9hgZTmax9PLHZOQKLru/1HcxMX17mFBF9cUXk5zEg nu/9/lLM7RwJtfojOfdz5BhNLgb2RLQCJf4xLj+e13+R8ImuE40tiBeWydw4DXvBX42K ug+0JCsEmKzTYIWrHhOIrti1xpkTSTFlAAwyGe98kXiImi2kvQcrxvFIM1Eni3dLqFRo 6dWpv6AF+J4V6VkviWritxLtF3jocz0m5Cf1SfJ6rQb2dtDaMwIkJHXEdLBx/aMJc2Of 3rJg== X-Gm-Message-State: AJcUukdCE1YjXSqQY3Uvu8PF7jo3inKTq5W+2Fcue6J3S3eo6E+pohKo SQucRoo5rSrTLsSRC/prp8nNCsxZWn1Wmd33tb5abQ== X-Google-Smtp-Source: ALg8bN6w9nnlHMDOj2NdpCbRFYKCOJVjxjOj1K6HbY0Yme5I1XA7rkXpm2gBPMgI+7NLnDV8gtiqoJPkzalfp3fjxlo= X-Received: by 2002:a37:c653:: with SMTP id b80mr4440752qkj.245.1545437957398; Fri, 21 Dec 2018 16:19:17 -0800 (PST) MIME-Version: 1.0 References: <7c62852d-8be2-e351-99ba-d9e85f4c8a71@yuripv.net> In-Reply-To: From: Warner Losh Date: Fri, 21 Dec 2018 17:19:06 -0700 Message-ID: Subject: Re: workaround for VMware WS NAT bug triggered by OpenSSH 7.8p1 changes To: Enji Cooper Cc: Yuri Pankov , =?UTF-8?Q?Dag=2DErling_Sm=C3=B8rgrav?= , freebsd-current , Mark Peek X-Rspamd-Queue-Id: 13FD08AC1F X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.95 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.953,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 Dec 2018 00:19:20 -0000 I've been hit by this as well. At least two others on IRC have had the same issue. Warner On Fri, Dec 21, 2018 at 5:10 PM Enji Cooper wrote: > > > On Dec 21, 2018, at 3:55 PM, Yuri Pankov wrote: > > > > Hi, > > > > There's apparently a bug in VMware Workstation NAT implementation, made > > visible by the change to default values of IPQoS in OpenSSH 7.8p1, > > making all ssh connections from the guest behind the NAT to fail with > > obscure "Fssh_packet_write_wait: Connection to 192.168.1.53 port 22: > > Broken pipe". > > > > I wonder if we could integrate the attached patch (or some smarter > > version of it) for the time being as the bug affects several major WS > > releases, and it's not immediately clear where the problem is. > > > > The change itself: > > > > > https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/readconf.c#rev1= .284 > > > > The bug reports (some of them): > > > > https://bugzilla.redhat.com/show_bug.cgi?id=3D1624437 > > https://communities.vmware.com/message/2803219#2803219 > > > > The patch itself is attached. > > > > Cool=E2=80=A6 yeah=E2=80=A6 I=E2=80=99ve been running into this i= ssue for a while with > VMware Fusion 11.0.1. > I CCed mp@ for visibility. > Thanks! > -Enji >