From owner-freebsd-questions@freebsd.org Mon Jun 12 19:37:47 2017 Return-Path: Delivered-To: freebsd-questions@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 0F732C31426 for ; Mon, 12 Jun 2017 19:37:47 +0000 (UTC) (envelope-from trond@fagskolen.gjovik.no) Received: from smtp.fagskolen.gjovik.no (smtp.fagskolen.gjovik.no [IPv6:2001:700:1100:1:200:ff:fe00:b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.fagskolen.gjovik.no", Issuer "Fagskolen i Gj??vik" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 93E507B89A for ; Mon, 12 Jun 2017 19:37:46 +0000 (UTC) (envelope-from trond@fagskolen.gjovik.no) Received: from mail.fig.ol.no (localhost [127.0.0.1]) by mail.fig.ol.no (8.15.2/8.15.2) with ESMTPS id v5CJbauc034861 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 12 Jun 2017 21:37:36 +0200 (CEST) (envelope-from trond@fagskolen.gjovik.no) Received: from localhost (trond@localhost) by mail.fig.ol.no (8.15.2/8.15.2/Submit) with ESMTP id v5CJbZhf034858; Mon, 12 Jun 2017 21:37:35 +0200 (CEST) (envelope-from trond@fagskolen.gjovik.no) X-Authentication-Warning: mail.fig.ol.no: trond owned process doing -bs Date: Mon, 12 Jun 2017 21:37:35 +0200 (CEST) From: =?ISO-8859-1?Q?Trond_Endrest=F8l?= Sender: Trond.Endrestol@fagskolen.gjovik.no To: Friedrich Locke cc: freebsd-questions@freebsd.org Subject: Re: security options In-Reply-To: <593EECAC.7050208@gmail.com> Message-ID: References: <593EECAC.7050208@gmail.com> User-Agent: Alpine 2.21 (BSF 202 2017-01-01) Organization: Fagskolen Innlandet OpenPGP: url=http://fig.ol.no/~trond/trond.key MIME-Version: 1.0 X-Spam-Status: No, score=-2.2 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail.fig.ol.no Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2017 19:37:47 -0000 On Mon, 12 Jun 2017 16:34-0300, Friedrich Locke wrote: > Hi folks, > > i wonder what are the sysctl variables and its value to those list of options, > related to security, that are given us the chance to change in the fbsd > install program. > > I mean options like: [ ] prevent users from seeing other processes > [ ] prevent users from other groups processes It looks like it can be these two: security.bsd.see_other_gids: 1 security.bsd.see_other_uids: 1 1 are the default values as far as I can tell. -- +-------------------------------+------------------------------------+ | Vennlig hilsen, | Best regards, | | Trond Endrestøl, | Trond Endrestøl, | | IT-ansvarlig, | System administrator, | | Fagskolen Innlandet, | Gjøvik Technical College, Norway, | | tlf. mob. 952 62 567, | Cellular...: +47 952 62 567, | | sentralbord 61 14 54 00. | Switchboard: +47 61 14 54 00. | +-------------------------------+------------------------------------+ From owner-freebsd-questions@freebsd.org Mon Jun 12 23:21:21 2017 Return-Path: Delivered-To: freebsd-questions@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 47C57D86612 for ; Mon, 12 Jun 2017 23:21:21 +0000 (UTC) (envelope-from friedrich.locke@gmail.com) Received: from mail-qt0-x241.google.com (mail-qt0-x241.google.com [IPv6:2607:f8b0:400d:c0d::241]) (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 F259783E90 for ; Mon, 12 Jun 2017 23:21:20 +0000 (UTC) (envelope-from friedrich.locke@gmail.com) Received: by mail-qt0-x241.google.com with SMTP id w1so30156130qtg.0 for ; Mon, 12 Jun 2017 16:21:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to; bh=m+r6xUwPYe6w4pEJ+7rnJIFnkOxB5n/e0xO++5ei3yc=; b=mtcON4qh2aXH130TZt2aP/T5MxwQ/QkZ7EMldxfDqV0AEDfn0IQNo8ij/77AnVkANf 6yyCDrcex2A7NNQQyYSPN9giLoklneQ59ezCj+N3VBuTns09LwVDCPNFQ+Irrz3ex+4/ LIXhIN2sz+r8fonVtEdtfZSaAAjXaX9/0bZ5qiejW9Up/c6N7DA4mbKZRFRirDw2darc Bd0mvuQLaMZFyTOl4YqMGGvcukz69/Ha8qFkZYcZ9k/YksYWtpJrzS/Z9vuUmumrvggO J765q3q8ANCCsVhkgdP/qGNiRnRy6BEAGmiWaHkMgKdgrTm20WR3cqtStRcMadjiuKo6 0buQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to; bh=m+r6xUwPYe6w4pEJ+7rnJIFnkOxB5n/e0xO++5ei3yc=; b=jwG9kNBkFzn8vL5MmBkk3Km3vLAH+PxnpvHNmvRQaEXmPx4wjngnb/XRJLiCruHas2 ExapI/Wd1ZY0ayOg9DtoIlOgVzMUDwsyKytejXfSADtHcQq0LhkCEbBlkxpMYJknbLRh DyajhWqqpYQsc24MbJxKb+hOr5rsD13eJdqz6RYEMMTkNuKqEM9Wx1jF3OmSloQXUO3q 34eNMaXNdqUkC6TAY5j/RKmfe20xSj5qGz6T/VvdGN4vXGVKCNEPYhcGPqjUo9ZSk7Ui Eiq92I/OwYGUXhyuVMpMUISZFvpVUTK9sGHbAi6TChcpvahLfy49n0iItxJgBo/dKczG +iqw== X-Gm-Message-State: AODbwcB5hV8tTvKKHlEVAPO4e/kO7pb/YwtOH0nTv5sXKulvcYDuF2KZ wZ1tk2jeaHBcaw== X-Received: by 10.237.36.174 with SMTP id t43mr32166116qtc.180.1497309680263; Mon, 12 Jun 2017 16:21:20 -0700 (PDT) Received: from [192.168.0.103] ([191.40.87.47]) by smtp.gmail.com with ESMTPSA id b23sm7953048qtb.5.2017.06.12.16.21.17 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 12 Jun 2017 16:21:19 -0700 (PDT) Message-ID: <593F21EA.9090301@gmail.com> Date: Mon, 12 Jun 2017 20:21:14 -0300 From: Friedrich Locke User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Patrick McMunn , freebsd-questions@freebsd.org Subject: Re: -O2 flag References: <593C4679.5010104@gmail.com> In-Reply-To: Content-Type: multipart/mixed; boundary="------------050807080701060202010509" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2017 23:21:21 -0000 This is a multi-part message in MIME format. --------------050807080701060202010509 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Here you have the output of truss in x.txt. Em 11/06/2017 00:46, Patrick McMunn escreveu: > I have not, but if the problem occurs with only one program, it is > likely a compiler bug. You should probably report a bug to Clang (or GCC > if that applies). You could try using a different compiler to see if the > problem still occurs. > > On Jun 10, 2017 2:20 PM, "Friedrich Locke" > wrote: > > Hi folks, > > i am trying compile a program with cc on freebsd 11. > When i use -O2 compilation flag, the compiled code is giving error > on execution, but with i omit -O2 everything works ok. > > Have anybody already faced such problem ? > > Thanks in advance. > _______________________________________________ > freebsd-questions@freebsd.org > mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org > " > --------------050807080701060202010509 Content-Type: text/plain; charset=windows-1252; name="x.txt" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="x.txt" U2NyaXB0IHN0YXJ0ZWQgb24gTW9uIEp1biAxMiAxNjo1OToxNyAyMDE3CiMgY2QgL2FzZC92 YXIvc2RiDQojIHRydXNzIG1kYiBnZXQgc3ZkIDwgYXNsLmFjZAgbW0sIG1tLCBtbSwgbW0sI 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