From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,5bc4be576204aa20 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!postnews.google.com!g49g2000cwa.googlegroups.com!not-for-mail From: "Harald Korneliussen" Newsgroups: comp.lang.ada Subject: Re: Buffer overflow Article - CACM Date: 29 Nov 2005 00:16:04 -0800 Organization: http://groups.google.com Message-ID: <1133252164.539307.165050@g49g2000cwa.googlegroups.com> References: <3tr6hiFu7jr6U1@individual.net> NNTP-Posting-Host: 158.38.140.179 Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Trace: posting.google.com 1133252169 2869 127.0.0.1 (29 Nov 2005 08:16:09 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 29 Nov 2005 08:16:09 +0000 (UTC) User-Agent: G2/0.2 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050317 Firefox/1.0.7,gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: g49g2000cwa.googlegroups.com; posting-host=158.38.140.179; posting-account=5vUApw0AAADF5Kx_4-L9ZPdL9lZywYoQ Xref: g2news1.google.com comp.lang.ada:6662 Date: 2005-11-29T00:16:04-08:00 List-Id: Peter Amey wrote: > OF course, using SPARK, we can statically prove the absence of buffer > overflows (and many other potential exploits) and thus add precisely > nothing in the form of a run-time overhead! > > Peter I though that with SPARK, you have to write your program with no moving parts (or dynamic data structures) and then supply a suite of proofs, which may be quite hard, even with the assistant? How often is this practical?