From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Richard Melville <6tricky9@gmail.com> Newsgroups: gmane.emacs.help Subject: Re: CVE-2017-14482 - Red Hat Customer Portal Date: Wed, 27 Sep 2017 11:51:58 +0100 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1506509566 12340 195.159.176.226 (27 Sep 2017 10:52:46 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 27 Sep 2017 10:52:46 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: Narendra Joshi Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Sep 27 12:52:42 2017 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dx9xK-0002jx-CP for geh-help-gnu-emacs@m.gmane.org; Wed, 27 Sep 2017 12:52:42 +0200 Original-Received: from localhost ([::1]:53970 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dx9xP-00011O-H9 for geh-help-gnu-emacs@m.gmane.org; Wed, 27 Sep 2017 06:52:47 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47754) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <6tricky9@gmail.com>) id 1dx9wg-0000zZ-8p for help-gnu-emacs@gnu.org; Wed, 27 Sep 2017 06:52:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <6tricky9@gmail.com>) id 1dx9wf-0007My-4b for help-gnu-emacs@gnu.org; Wed, 27 Sep 2017 06:52:02 -0400 Original-Received: from mail-oi0-x22d.google.com ([2607:f8b0:4003:c06::22d]:51783) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from <6tricky9@gmail.com>) id 1dx9we-0007MD-UZ for help-gnu-emacs@gnu.org; Wed, 27 Sep 2017 06:52:01 -0400 Original-Received: by mail-oi0-x22d.google.com with SMTP id n82so11089109oib.8 for ; Wed, 27 Sep 2017 03:51:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=ynf05sCZfhe3u2lmc0R7c1G+BymPrhBKB8k76Gop3ls=; b=J2TGIUfZd+zvDEfhl6oGzl44TAuH6YEjzzivKQjQGfZ4RuJLjvLeubgxlVtjikRuRF NqYqwf8Ub5cTfuuN36SLfdRbN2+V82dLy+U26QWWzFsT6Vowvki6MBr8NG4QzGWHGWmU /d0zqykmheh9BgyWufBQlj4gMtRSkwbOXmLGvuKRfbMSfzWsw2K0UhXJ1WKp7p7a4ktY 92/H+BCQO0WrXQ8wKHV3M7nfE60vimCPdKoIZ5AQ0PM+qWmCJHJZPeQVYJNyc8m1EVUo lSTfcABdAvvr5e5Ic5FS/dlB+Y5AP2fM3GyI06HSHB+FeD+CxiYBeeFIPmKnx3jgXTFG SUDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=ynf05sCZfhe3u2lmc0R7c1G+BymPrhBKB8k76Gop3ls=; b=Cks9udeYfNfjAWKxydlrzCpcZo9VL5XJgpHEwueUqa8YCMWTp4tVGCgYH4vCbyfnaS D9gWBY4fTyOTQ4jT2+KFQ8ZER2yWQLpYal4X18g1dl+0LIxpqiNgNiBBxcsrt7XeVZRq KtSQuNJ9BLhXPQNbaRxZIIqMtQzptnj9Sk2n986UPnwNav1PmvCIJgbNFxs2aWqE9tVN 6Kswtt/GWPUKZ8rfLukRtP/iJO7sodGD+YAn9XVEdd52Rwg6kbH8sKIUYlAHJY0eZGLv euO3gayznoguCvDyPgvbxDY3mutB+L0PKPztNkLcYu+Pq2+0j9j/fGdueFcQ/hhCGqy7 NLYQ== X-Gm-Message-State: AMCzsaUq2tfdSRqRCXThb9ox4ZDy/EGv49H2juTa9UMibDBUc43xpG3r Eef7dXz6lOPEw1dIHfT1syi5ADUQ1NBq4KoDuO0= X-Google-Smtp-Source: AOwi7QCptIftlyN/DaZ5/mHUbFJc3sLnACGkHVPOjy9uFMjdvj+lsfQdCyjyYm0LKQdunlJTBIfpkdcj9LFNi6r9Jy0= X-Received: by 10.157.65.217 with SMTP id v25mr604957oti.365.1506509518869; Wed, 27 Sep 2017 03:51:58 -0700 (PDT) Original-Received: by 10.74.22.82 with HTTP; Wed, 27 Sep 2017 03:51:58 -0700 (PDT) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4003:c06::22d X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:114435 Archived-At: On 26 September 2017 at 19:57, Narendra Joshi wrote: > writes: > > > On Sun, Sep 24, 2017 at 04:42:54PM +0200, =C3=93scar Fuentes wrote: > > > > [...] > > > >> It seems that you think that formal verification says that the softwar= e > >> is correct. That's in theory. Practice is different, as usual. > > > > And to embellish this discussion with an Argument by Authority: > > > > "Beware of bugs in the above code; I have only proved it > > correct, not tried it." > > > > http://www-cs-faculty.stanford.edu/~knuth/faq.html > And I would like to add this to the farrago presented in this thread: > http://wiki.c2.com/?LetItCrash > > You talk about formal verification (always?) but for some use cases, > it's okay to start with "Let it crash!". People have done it > (successfully). > You must be an Erlang aficionado :-) Richard