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([2804:389:101e:28a1:3909:2ad4:d69:77f3]) by smtp.gmail.com with ESMTPSA id a21sm4555154qkk.43.2020.06.12.15.10.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Jun 2020 15:10:10 -0700 (PDT) From: =?utf-8?Q?Lucas_Nali_de_Magalh=C3=A3es?= Mime-Version: 1.0 (1.0) Subject: Re: Odd ssh sessions Message-Id: <5B657D00-9DD3-43BC-A54C-C96ECBD5C14E@gmail.com> Date: Fri, 12 Jun 2020 19:10:08 -0300 To: Carlo Strub Cc: freebsd-security@freebsd.org X-Mailer: iPhone Mail (17F80) X-Rspamd-Queue-Id: 49kFK10RByz48t4 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=DnJ7V90N; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of rollingbits@gmail.com designates 2607:f8b0:4864:20::730 as permitted sender) smtp.mailfrom=rollingbits@gmail.com X-Spamd-Result: default: False [-1.02 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.12)[-0.122]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; R_MIXED_CHARSET(0.62)[subject]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FAKE_REPLY(1.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; NEURAL_HAM_MEDIUM(-1.02)[-1.021]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.003]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::730:from]; RCVD_TLS_ALL(0.00)[] Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Jun 2020 22:10:15 -0000 =EF=BB=BF > On Jun 12, 2020, at 3:23 AM, Carlo Strub wrote: >> On Fri, 5 Jun 2020, 20:48 Lucas Nali de Magalh=C3=A3es, wrote: >> On Jun 5, 2020, at 3:45 PM, Lucas Nali de Magalh=C3=A3es wrote: >>>=20 >>> I've an old machine where I play with FreeBSD and after a while off, I c= ame back and noted that >>> sometimes when I enter an ssh session part of the text repeats. It can b= e many lines or it can be >>> just one or even it can be none. So it also looks like I found a memory p= roblem. Is it just me? >> And I'm going from FreeBSD 12.1-p3 to 12.1-p5 in this case. > =EF=BB=BFCan you elaborate on what steps you are doing to get to such a st= ate? I wrote in the hope it was somewhat easy, sorry. I've difficulty in reproduc= ing it myself. Network is not very reliable in it and I first though it was the WiFi but I observed it ove= r Ethernet IPv6, too. My sessions have some "host not found" and "connection lost." I access from a Windows 1= 0 machine. I've no idea if the things are related or not. I hope it have no relation with my typos. Tod= ay it was stable and I tried to use the sftp but Windows (for the first time) tried to resolve the IPv6 addr= ess and didn't find the host. The next ssh sessions had the line duplication problem. It's a 32bit Intel C= eleron M notebook used for experimentation with customized FreeBSD (with make.conf and src.conf). --=20 rollingbits =E2=80=94 =F0=9F=93=A7 rollingbits@gmail.com =F0=9F=93=A7 rollin= gbits@terra.com.br=20 =F0=9F=93=A7 rollingbits@yahoo.com =F0=9F=93=A7 rollingbits@globo.com =F0=9F= =93=A7 rollingbits@icloud.com