From owner-freebsd-security@freebsd.org Wed Jul 3 16:31:29 2019 Return-Path: Delivered-To: freebsd-security@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 34F5915D913B for ; Wed, 3 Jul 2019 16:31:29 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-io1-f53.google.com (mail-io1-f53.google.com [209.85.166.53]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 64A9C83185 for ; Wed, 3 Jul 2019 16:31:27 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-io1-f53.google.com with SMTP id k8so6324750iot.1 for ; Wed, 03 Jul 2019 09:31:27 -0700 (PDT) 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=tqtMB59p2JKS7OguUXaQU5frX9bsDb8EB3mzRG0Usus=; b=D+OVWx2UVHErsBG06zp8uvvWYs/x6d8pn4hyx22PB4UNuQA5SlABwOuVZueMGs27R1 NZeS8LjinJ1Se2KzkaUgHurK6OLPgZ6mX6uoMI13WxsgRWgp2eWObIaz7UcUK0MeJd7/ hR5s1ER/h1KgE25ykXCEqaYmraKZ9PMBJVPmGj+9aqqu2C4v/Vb24qQ43v+hQH0PqiBf cYg1tKgpLX1RxW6nFsvp0oTc01Oh7+u0pxRBb2pzldQujvv37sl8svBHLDi9KfZ5KRrC EKAeO3mqyEs96kZ7NE4Wlh0uOiuXI6Vdjxe5YliWFUiAgiC+6LtVjTLqKxq0U0e5C70i RTuQ== X-Gm-Message-State: APjAAAXDmSuoTEY+VKXYCVwAfdBgaJfbr7tGAGPtCPZMS9pjr7Q8xz68 H1Nwux69jfom6Ve9rvIJQPWruqClQe9webBICa0rLuX2 X-Google-Smtp-Source: APXvYqwIAxIpd6HA2pvWYG71TU4kaIHyjEzbanPu1QPFlCW6cZuhoOH++TEfJmkm89wHhpQV++XambRr/QjU3/Qz/w8= X-Received: by 2002:a5d:9047:: with SMTP id v7mr5773226ioq.18.1562171412145; Wed, 03 Jul 2019 09:30:12 -0700 (PDT) MIME-Version: 1.0 References: <20190703004924.8A5411A7D5@freefall.freebsd.org> In-Reply-To: From: Ed Maste Date: Wed, 3 Jul 2019 08:29:38 -0400 Message-ID: Subject: Re: FreeBSD Security Advisory FreeBSD-SA-19:10.ufs To: Doug Hardie Cc: freebsd-security@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 64A9C83185 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of carpeddiem@gmail.com designates 209.85.166.53 as permitted sender) smtp.mailfrom=carpeddiem@gmail.com X-Spamd-Result: default: False [-4.85 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[53.166.85.209.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_SHORT(-0.94)[-0.940,0]; RCVD_TLS_LAST(0.00)[]; FORGED_SENDER(0.30)[emaste@freebsd.org,carpeddiem@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[53.166.85.209.rep.mailspike.net : 127.0.0.17]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[emaste@freebsd.org,carpeddiem@gmail.com]; IP_SCORE(-1.90)[ip: (-3.63), ipnet: 209.85.128.0/17(-3.45), asn: 15169(-2.38), country: US(-0.06)]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jul 2019 16:31:29 -0000 On Wed, 3 Jul 2019 at 11:21, Doug Hardie wrote: > > That is going to be a bit tricky to do on a headless server that is remote. None of mine have consoles. They are all accessed via SSH. Any ideas how this situation can be handled? Probably an rc.d script with BEFORE: root that invokes the fsck command - something along the lines of the following (as yet untested and missing error checking etc.): #!/bin/sh # # PROVIDE: fsck_ufs # BEFORE: root # REQUIRE: fsck # KEYWORD: nojail . /etc/rc.subr name="fsck_ufs" desc="fsck UFS filesystems for FreeBSD-SA-19:10.ufs" start_cmd="fsck_ufs_start" stop_cmd=":" fsck_ufs_start() { fsck -t ufs -f -p -T ufs:-z } load_rc_config $name run_rc_command "$1"