From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 4373 invoked from network); 6 Sep 2022 19:05:59 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 6 Sep 2022 19:05:59 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id E04AA40E7F; Wed, 7 Sep 2022 05:05:35 +1000 (AEST) Received: from mail-io1-f43.google.com (mail-io1-f43.google.com [209.85.166.43]) by minnie.tuhs.org (Postfix) with ESMTPS id B263B40E7C for ; Wed, 7 Sep 2022 05:05:29 +1000 (AEST) Received: by mail-io1-f43.google.com with SMTP id n202so9696831iod.6 for ; Tue, 06 Sep 2022 12:05:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dartmouth.edu; s=google1; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date; bh=etwwzF5U2cxHyx8aUdaza8D/AlVe3gDXHBLrFX8jTNk=; b=u/z7fa3RNY2iDzh4ZKv4VINlSYCux83UTuhLA7V8KZDCGMOSn4R8bGwS7BuzwIB3bl qt1AioxXwtKPRxbcr93vwfR9nqgt8698X1/5sMP2lNui2G4mQHhP/oS9t/sLJd3njR3R mMt7RM89O0Vvkv9u+F+ZgUAtfXa6seeJ6uN56r5+ZfZp7J+YLJ4F2ma4BQFYcdJm/IZi ftIPTbRfRnz1iWjVFJUcpkPTfyFseBjUz2mXay5WZMCG5ZC7X9RaCA3sY20MnbBs0FAM P9uTSMC0xIM6MYyVZVQzdAJSkmlwmg6Hyr6ggK1HEatFxwKXFzpmtZgTDrO0w2+MDCRQ xABw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date; bh=etwwzF5U2cxHyx8aUdaza8D/AlVe3gDXHBLrFX8jTNk=; b=mv4kuPRiFxrpFGyosYYxacdp5VlhGqu7THdWaI4emUWBzcVD/uFivX2ZzIpaHwVRGW qGZHjeGRRw107Ebnpq/5wHL6aYx7Wsu8Z9THb4wWrOxTr+jzT5HEC697mcSUYym6UNLg 43d7rhMOFpZD4lL37mYHX7x+uWzsgsiI3vYJOVJ+5koKo1A5cpk53cBXD6uCQ15oiUH/ g9x96R4aR9Bp/tilwDP/+IS/v19vsYGLPHpIpOnpMbSeKXXpMfz9DydaXLNbwC8uexqK 0xdi2t05gFOedQUHCjFEXQTKbRd/3ryXXYlv6+Vfhtz+1UwBx0bqkwU62LDH30QFGT6c j1wg== X-Gm-Message-State: ACgBeo3NC3GUyMQXTIxhqNBKpfBd+p8U5CZr6WQLF33jQEUP//X1ECG0 VwcxYhtdLXPOSQNjJw6wVAviSmoEnc+YWxYiS5oCFRJ93FbpNA== X-Google-Smtp-Source: AA6agR6uHu9DX07NO/g7NsxKpqQ2DxpFgi7/0EJOEEkq+vHQKDh3wtm6uvIoqp60tc/AXwM0S+pnZM8EHrP9+b1+BVM= X-Received: by 2002:a05:6638:218b:b0:356:7578:cccc with SMTP id s11-20020a056638218b00b003567578ccccmr30967jaj.257.1662491068856; Tue, 06 Sep 2022 12:04:28 -0700 (PDT) MIME-Version: 1.0 From: Douglas McIlroy Date: Tue, 6 Sep 2022 15:04:14 -0400 Message-ID: To: TUHS main list Content-Type: text/plain; charset="UTF-8" Message-ID-Hash: A3GQDUYBQMXNOCSAIP5F4ZWAJBCBHNCZ X-Message-ID-Hash: A3GQDUYBQMXNOCSAIP5F4ZWAJBCBHNCZ X-MailFrom: douglas.mcilroy@dartmouth.edu X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Has this been discussed on-list? How Unix changed Software. List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: >> a paper appeared (in CACM?) that repeated Dennis's exercise. > Maybe this one? > B.P. Miller, L. Fredriksen, and B. So, "An Empirical Study of the Reliability > of UNIX Utilities", Communications of the ACM 33, 12 (December 1990). > http://www.paradyn.org/papers/fuzz.pdf Probably. I had forgotten that the later effort was considerably more elaborate than Dennis's. It created multiple random inputs that might stumble on other things besides buffer overflow. I see a Unix parable in the remarkable efficacy of Dennis's single-shot test. Doug