From nobody Fri Sep 06 07:05:07 2024 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4X0S0v4nqlz5W9p3 for ; Fri, 06 Sep 2024 07:05:19 +0000 (UTC) (envelope-from theraven@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4X0S0v46Hpz4Gvn; Fri, 6 Sep 2024 07:05:19 +0000 (UTC) (envelope-from theraven@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1725606319; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1sjyHOhlCOUHt8R8JVGrLk3uIXE2ZcTGHV0wAq01lNQ=; b=Cxcj3dM9JF+NeyL/d+I7OWQPlDtGfpVQ/l0gVTTn7w8LvQZUjLFx077Pxn/QA5ptVHIHEr zbaHXcRQJ6M+n24DL7WnLeQPFLMm6b3fSvlpQqhdEzKsZKVh5lrBechzGwzchzun/IGHqL UnudEpUjED3qIjp+fOUAExYsXW9j5wd8IMJlEphQ++u+KyXGi47z/b6adsufeD34ZWeTZA r45sd9/dmlssfEDduPbG+cTFa/bGPXAYxzMWpIZzdYt4qlFdtOAwuGEVr1RF/aRw4GyQ1T SPzqVXGVHnDvkwmVWP3xHYEkZMofS/rKNp6Y+rG0LAZ/cDIsOk1MSASzdQnc/Q== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1725606319; a=rsa-sha256; cv=none; b=eqDKDgcTdQWZkSvWI4iVz8LIj8N+inGkbIDb7bB/U0f27f/uT9rkpqQqjPObOsucW/Lspy 6635LPCB17OtHeYtZwsI8LgVYNgV+WKunhbWOG9JOdhd4CUCgqre84ppuKqo1xU8ryavsf Mfy4va84rDm2bhArRR0P5A2ZPyZerrC7m1Ix9u4nLBUxzlnWeyFCmJFs5mm/BCIgTBElss 90YN9+TmCqw/yJHjlnmXop36aLt6O+pTNMbWrn8bjfpluqC0+E9L55AQ4RwcaStSbg04E8 +P+KuHwSxEK7HZ0BIUoBqYAc7d5ydo2IFXPBpX1fXHTDWlarZ4sGyjhgNlbO3w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1725606319; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1sjyHOhlCOUHt8R8JVGrLk3uIXE2ZcTGHV0wAq01lNQ=; b=vkz8V5oUWzM19AKl3tb1n41ooEUnECsjfnMUWRSo46PaBiHCczhCao/gveqlXei/2ptxsI TLjpvkq0osXzt8TFOQxD9NID/aWstgRXonTyog7MaTZ8rstvHETsrL47nczO0MuInet5wT EzH4bVShaDU+P4Wtfs4YiR8FYjAdfZYV0+9ByfZ8KAa9vHo0tnqJ6EWbcpGKf/DOuAxIMf 9A5pnu2CesM2c4lrakJWdTbsYp0X02eL7gwPrz/fi+s4Y2qNecLiHQ4eDiw4K0EEt4+Kxy Ddv7HSoo8+4lwmYLyb7elPvFIXk4o9L1JIFPI2qn01hAoZ05U/xEPych40q8RA== Received: from smtp.theravensnest.org (smtp.theravensnest.org [45.77.103.195]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: theraven) by smtp.freebsd.org (Postfix) with ESMTPSA id 4X0S0v3WgSzG2X; Fri, 6 Sep 2024 07:05:19 +0000 (UTC) (envelope-from theraven@freebsd.org) Received: from smtpclient.apple (host109-155-136-107.range109-155.btcentralplus.com [109.155.136.107]) by smtp.theravensnest.org (Postfix) with ESMTPSA id 2DFB964F8; Fri, 06 Sep 2024 08:05:19 +0100 (BST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: David Chisnall List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@FreeBSD.org Mime-Version: 1.0 (1.0) Subject: Re: The Case for Rust (in any system) Date: Fri, 6 Sep 2024 08:05:07 +0100 Message-Id: References: Cc: Alan Somers , FreeBSD Hackers In-Reply-To: To: Warner Losh X-Mailer: iPad Mail (21G93) On 5 Sep 2024, at 21:17, Warner Losh wrote: >=20 > Without enough resources, > the rewrites will be crap and nobody will want to use them (or maybe even > FreeBSD). The rewrites to date have lost functionality (though maybe not > functionality that's important) relative to what they replace. The new Windows sudo tool is a good example of this. It was written in Rust a= nd, as far as I know, no one has found any memory safety errors. Some large c= ategories of potential vulnerabilities were eliminated by construction, whic= h is great. Unfortunately, that didn=E2=80=99t stop it having a terrible sec= urity architecture that allowed remote privilege elevation. You don=E2=80=99= t just need competent Rust programmers, you need competent Rust programmers w= ho are domain experts. David