From owner-freebsd-security@freebsd.org Wed Aug 31 21:42:02 2016 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 08E4DBCA957 for ; Wed, 31 Aug 2016 21:42:02 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-it0-x22b.google.com (mail-it0-x22b.google.com [IPv6:2607:f8b0:4001:c0b::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C828A6ED for ; Wed, 31 Aug 2016 21:42:01 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-it0-x22b.google.com with SMTP id i184so34196108itf.1 for ; Wed, 31 Aug 2016 14:42:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to; bh=RhzNsWJ3jkP3v8LivU1N0fjkKSLWYaZ4Uhw+6DLhgOU=; b=eZxgQcosKZy3hzr+ZGkVhvtexm3Hvws/qoR/8/zLU2nv70MlBHk/oOlTq1eyhbNwlg 1Nx/acDFl2dT459uXZqUog1ECfE0tlCIEqkwMkVTHAxi4/MY9Q1/RQiOrcyLXhGDPltP Y2UfMEof8xCwTkjR4JfJnviHUnrwTPKaqLaMXii+jDRLvCnOHg8CMu2UMQcPMnTu6RN+ 8g6HGRKD6PNCVGPW5jaAwVmWzB4Q+E4dMCeZcewS2L26QCnhG6SmR3A8uWXhFhfnXl7P fM3q3IT3EQiPOdfrKC6YyqIv/qmrQjAWSDmcvm+qLA5gWg1Pyx9F/+NxYGbxYpCCMVUJ j1gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to; bh=RhzNsWJ3jkP3v8LivU1N0fjkKSLWYaZ4Uhw+6DLhgOU=; b=nLA4fk+kVwEmIjt35KhPJI3FNcpxl1w906hjpaEziWMIE6OVm1GkxN+EEtPDwZeT7r T17uBCG+gTvgAUL6X5SoxF2xy+1r/Eo8M7ES9ISII201Aob7mx4ZZWH0vNz/1z6UKWoX Rr7CFQsnTgn7TNrXlw5HzO9Zyq/betgFwKGyNlKz4Zo1/xlxF8tpU99idd1lfW+O2PH+ ByYpp3aRkULPnjE1ssmrqBSQJR5Rga4NKzmuZdPaz2I/GBUEtgza8ARPYiL/hDGOiqou vzd7JJ3uyiHmjPVI/NLIW8NfhLbARB2UikEWYoa7+tGS96Vmp2qfOm1jXq1rs0tQVbcU /Aew== X-Gm-Message-State: AE9vXwN4mP8srDUs8vz+1r9A6VoNyl0R4vOB9x5ZQ27xlj2sVuillEGZBPJxqXBsxFBhf25jVdE0Qn/CWR4hqw== X-Received: by 10.36.117.79 with SMTP id y76mr32539946itc.35.1472679721096; Wed, 31 Aug 2016 14:42:01 -0700 (PDT) MIME-Version: 1.0 Sender: carpeddiem@gmail.com Received: by 10.107.138.28 with HTTP; Wed, 31 Aug 2016 14:41:40 -0700 (PDT) In-Reply-To: <20160823002821.GJ1069@FreeBSD.org> References: <201608221415.u7MEFl8d009158@higson.cam.lispworks.com> <20160823002821.GJ1069@FreeBSD.org> From: Ed Maste Date: Wed, 31 Aug 2016 17:41:40 -0400 X-Google-Sender-Auth: o7wbYF514vUuK7i9XtowVWxRJTc Message-ID: Subject: Re: Unexplained update to /boot/boot1.efi and 2 others by freebsd-update To: freebsd-security@freebsd.org Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Aug 2016 21:42:02 -0000 On 22 August 2016 at 20:28, Gleb Smirnoff wrote: > > The freebsd-update build code attempts to extract and ignore timestamps in order > to determine whether files are 'really' changing between builds; unfortunately these > particular files contain a build artifact which the freebsd-update code was not > able to handle, thus resulting in them being incorrectly identified as needing to be > distributed. The issue with PE/COFF timestamps in the UEFI bootloader components is fixed as of SVN r305160 in HEAD and will make it back to stable/11 in due course. The timestamps will now be set to a consistent, known value.