From owner-freebsd-security@freebsd.org Tue May 5 10:04:04 2020 Return-Path: Delivered-To: freebsd-security@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 43A912DFDF9 for ; Tue, 5 May 2020 10:04:04 +0000 (UTC) (envelope-from mw@semihalf.com) Received: from mail-qv1-xf30.google.com (mail-qv1-xf30.google.com [IPv6:2607:f8b0:4864:20::f30]) (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 49Gb0g46wzz3BsC for ; Tue, 5 May 2020 10:04:03 +0000 (UTC) (envelope-from mw@semihalf.com) Received: by mail-qv1-xf30.google.com with SMTP id ck5so682514qvb.11 for ; Tue, 05 May 2020 03:04:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=hZ8wZW4W5rbH+ZzHAZuhzkvsftIlFuPqPp25ORZlzRA=; b=cfNGAGw9sFKwogHH5y+mEF2JK1JTD2MGm8CACP1DzXVNw7mDooZC0hhVIBgRlCyESH QViih5l1FryQce+x8hbUJ2xqNlf0I/SKMR1EjxAAyOxl2gnN1YcDM3IKjQ4V2L2jsTEr h5EGi/nLfl+5jA0xX4L0Adz0+CaplMOh9a6zyyeUGc4rkuvaCCma95bQGqwK45RWjQk2 q7vzngsIG3mqq/Shwt8u85f8CHn+CCh2FwXtNmeXlxBiX9MWOGH7MdRrvheo+lGlDB/w 1iw6AACJO7SMTDVPzh6OaAoM19w0o90PBUYfHJzo0w4E5CZmAfKp8LiblI0b1plUUqYM skqQ== 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:content-transfer-encoding; bh=hZ8wZW4W5rbH+ZzHAZuhzkvsftIlFuPqPp25ORZlzRA=; b=f3aozuattQPhHV4mYI4Wvc2ENOBmiy/VVwXzxOFgmlF5HSFbYpCeh2CpmBl7a88hJT PumY3tNcCKHyXfA8zdvBBbLRm09HkAsfhe51r4aN4VWLcJVuu27sE92EfqJpjJq6y9+p 06OBWDHbjzkRfhUNzGjaaxXTkDcmRYB6XNE7C99ZpO3I33S/8MZZNVDbfuIfgTeJDfRJ kiphPii+sLAB9ge8yStYUrEP65RJ3ZI+E8ccczNZ1zC/94PGgMOOsA62pxS0Q2La6lP4 KfxOYb4lzNZZ2U7nJfYTi+IgALLbgiJe4ec3Ja5bF/ZS0OXwE3ljSHcRL84KrC69nQXv kdBA== X-Gm-Message-State: AGi0PuaSSrC62FNeGJ3yhZCdt1CMcdPD7rKVvmoZWZ4N5JcvgfI/tX24 UU5D9d2l/042vG51Si4ww6jdCSPEZ5ObQDUENbUUCA== X-Google-Smtp-Source: APiQypL1u9j4c6Y5/yS2I2UCkfoOeaV1E8HPcMe3/Zq3EjEmW8O6sI9YY7I8m2fhvn6jXlXovGkf10TZ+Ndg8tH7cHg= X-Received: by 2002:a0c:a892:: with SMTP id x18mr1800637qva.247.1588673042408; Tue, 05 May 2020 03:04:02 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Marcin Wojtas Date: Tue, 5 May 2020 12:03:52 +0200 Message-ID: Subject: Re: ASLR/PIE status in FreeBSD HEAD To: Ed Maste Cc: freebsd-security@freebsd.org, Rafal Jaworowski Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 49Gb0g46wzz3BsC X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=semihalf-com.20150623.gappssmtp.com header.s=20150623 header.b=cfNGAGw9; dmarc=none; spf=none (mx1.freebsd.org: domain of mw@semihalf.com has no SPF policy when checking 2607:f8b0:4864:20::f30) smtp.mailfrom=mw@semihalf.com X-Spamd-Result: default: False [-3.69 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[semihalf-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; 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)[semihalf.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[semihalf-com.20150623.gappssmtp.com:+]; RCVD_IN_DNSWL_NONE(0.00)[0.3.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; IP_SCORE(-1.39)[ip: (-6.13), ipnet: 2607:f8b0::/32(-0.33), asn: 15169(-0.43), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 May 2020 10:04:04 -0000 pon., 4 maj 2020 o 17:24 Ed Maste napisa=C5=82(a): > > On Mon, 20 Apr 2020 at 10:22, Marcin Wojtas wrote: > > > > Indeed I thought of kyua and measuring buildworld execution time for > > stressing the DUT and having the first comparison numbers for the low > > price. > > > > Do you think it is possible to get help here, i.e. is there a FreeBSD > > devops team, maintaining the Jenkins CI whose spare cycles could be > > used for this purpose? Or is this a field requiring external help from > > interested parties? > > There aren't a lot of spare cycles to go around, but putting > automation in place so that tests like this can easily be performed is > certainly something that's in the Jenkins team's domain. Of course the available bandwidth is a limitation, but IMO we should start with defining the requirements so that eventually it could be added to the backlog. > > > Yes, making use of something actively maintained would be great. Do > > you see a need for IO stressing/benchmarking for the discussed cases? > > In the fullness of time I think it's important, but my opinion is that > it's really functional tests that we need, for enabling features in > -CURRENT; we can work on benchmarking before and after changing a > default. Understood. Since there seem to be no blockers / major objections at this point, how do you suggest proceed with the topic? How about having a live discussion with interested parties, so that we can establish at least a rough plan allowing to achieve the enablement of this (and possibly other) feature in a foreseeable perspective? Best regards, Marcin