{"id":122013,"date":"2025-02-20T14:22:05","date_gmt":"2025-02-20T12:22:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/mnenie-grega-kroa-hartmana-i-kejsa-kuka-o-prodvizhenii-rust-v-yadro-linux"},"modified":"2025-02-20T14:22:05","modified_gmt":"2025-02-20T12:22:05","slug":"mnenie-grega-kroa-hartmana-i-kejsa-kuka-o-prodvizhenii-rust-v-yadro-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/mnenie-grega-kroa-hartmana-i-kejsa-kuka-o-prodvizhenii-rust-v-yadro-linux","title":{"rendered":"Opinie Grzegorza Croa-Hartmana i Case'a Cooka na temat promowania Rust w j\u0105drze Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Greg Kroah-Hartman, odpowiedzialny za wsparcie stabilnej ga\u0142\u0119zi j\u0105dra Linux, opowiedzia\u0142 si\u0119 za rozwijaniem nowych komponent\u00f3w j\u0105dra w j\u0119zyku Rust. Jako osoba, przez kt\u00f3r\u0105 przez ostatnie 15 lat przewija si\u0119 ca\u0142a informacja o b\u0142\u0119dach i lukach w j\u0105dra Linux, twierdzi, \u017ce wi\u0119kszo\u015b\u0107 b\u0142\u0119d\u00f3w w j\u0105drze wynika z szczeg\u00f3lnych przypadk\u00f3w j\u0119zyka C (corner case), kt\u00f3re s\u0105 ca\u0142kowicie wykluczone w kodzie napisanym w Rust.     <\/p>\n<p>Korzystaj\u0105c z Rust, b\u0119dzie mo\u017cna zostawi\u0107 w przesz\u0142o\u015bci takie problemy jak pr\u00f3ba dost\u0119pu do pami\u0119ci po jej zwolnieniu, cz\u0119\u015bciowe wyj\u015bcie poza granice bufora, niew\u0142a\u015bciwe zwolnienie zasob\u00f3w podczas obs\u0142ugi b\u0142\u0119d\u00f3w i zapomniane kontrole zwracanych kod\u00f3w b\u0142\u0119d\u00f3w, co pozwoli konserwatorom skupi\u0107 si\u0119 na rzeczywistych b\u0142\u0119dach, takich jak stany wy\u015bcigowe i problemy z logik\u0105, zamiast rozprasza\u0107 uwag\u0119 podczas przegl\u0105d\u00f3w na drobiazgach.     <\/p>\n<p>Istniej\u0105cy stary kod w j\u0119zyku C nigdzie si\u0119 nie podzieje, ale w przypadku nowego kodu i nowych sterownik\u00f3w wprowadzenie Rust pozwoli znacznie podnie\u015b\u0107 jako\u015b\u0107. Wprowadzenie Rust umo\u017cliwi tak\u017ce lepsz\u0105 struktur\u0119 wewn\u0119trznych interfejs\u00f3w programistycznych j\u0105dra, co prawie wykluczy b\u0142\u0119dy zwi\u0105zane z u\u017cywaniem wewn\u0119trznego API \u2014 w j\u0105drze zgromadzi\u0142o si\u0119 zbyt wiele skomplikowanych i myl\u0105cych interfejs\u00f3w API, co stwarza du\u017c\u0105 presj\u0119 na konserwator\u00f3w w ich pracy nad zapewnieniem, \u017ce te API s\u0105 wykorzystywane poprawnie. W procesie rozwoju powi\u0105za\u0144 Rust konserwatorzy maj\u0105 mo\u017cliwo\u015b\u0107 przemy\u015blenia i uporz\u0105dkowania API, co przyniesie korzy\u015bci wszystkim, w tym tym, kt\u00f3rzy u\u017cywaj\u0105 j\u0119zyka C.    <\/p>\n<p>Greg nie uwa\u017ca Rust za \u201esrebrn\u0105 kul\u0119\u201d, kt\u00f3ra rozwi\u0105\u017ce wszystkie problemy w j\u0105drze, ale ten j\u0119zyk z pewno\u015bci\u0105 pomo\u017ce w wielu sytuacjach. Wsparcie dla Rust zaspokoi tak\u017ce potrzeby programist\u00f3w sterownik\u00f3w, kt\u00f3rzy maj\u0105 nadziej\u0119 na uzyskanie narz\u0119dzia umo\u017cliwiaj\u0105cego pisanie kodu dla ich sprz\u0119tu, eliminuj\u0105c wiele typ\u00f3w b\u0142\u0119d\u00f3w. Je\u015bli chodzi o mieszanie kilku j\u0119zyk\u00f3w, Greg nie widzi w tym du\u017cego problemu, jego zdaniem, w przesz\u0142o\u015bci programi\u015bci j\u0105dra radzili sobie z bardziej powa\u017cnymi zadaniami, a nie ma powodu, by rezygnowa\u0107 z wprowadzania do j\u0105dra nowych, dobrych pomys\u0142\u00f3w, kt\u00f3re mog\u0105 zapewni\u0107 sukces projektu na nast\u0119pne 20+ lat.      <\/p>\n<p>Do dyskusji do\u0142\u0105czy\u0142 r\u00f3wnie\u017c Kees Cook, by\u0142y g\u0142\u00f3wny administrator systemu kernel.org i lider zespo\u0142u zabezpiecze\u0144 Ubuntu. Kees wyja\u015bni\u0142, \u017ce nie chodzi o przepisywanie istniej\u0105cego kodu w j\u0105drze, lecz o udost\u0119pnienie mo\u017cliwo\u015bci korzystania z Rust do tworzenia nowych sterownik\u00f3w i podsystem\u00f3w. Zastosowanie Rust w nowym kodzie pozwoli nie tylko zmniejszy\u0107 liczb\u0119 b\u0142\u0119d\u00f3w zwi\u0105zanych z pami\u0119ci\u0105, ale tak\u017ce skr\u00f3ci\u0107 czas rozwoju. Szybko\u015b\u0107 rozwoju wzrasta dzi\u0119ki zmniejszeniu nak\u0142ad\u00f3w pracy na debugowanie oraz obecno\u015bci w j\u0119zyku surowych gwarancji, kt\u00f3re umo\u017cliwiaj\u0105 wykrywanie b\u0142\u0119d\u00f3w na wczesnym etapie pisania kodu, jeszcze przed rozpocz\u0119ciem testowania produktu.     <\/p>\n<p>Skuteczno\u015b\u0107 strategii u\u017cycia Rust do poprawy jako\u015bci nowego kodu zosta\u0142a ju\u017c udowodniona przez Google na platformie Android. Wykazano, \u017ce g\u0142\u00f3wnym \u017ar\u00f3d\u0142em problem\u00f3w z bezpiecze\u0144stwem jest nowy kod i nale\u017cy przede wszystkim skupi\u0107 si\u0119 na poprawie jego jako\u015bci. Dla starego kodu obserwuje si\u0119 eksponencjaln\u0105 zale\u017cno\u015b\u0107 bezpiecze\u0144stwa od czasu (na przyk\u0142ad, 5-letni kod \u015brednio ma 3,4 razy mniejsz\u0105 g\u0119sto\u015b\u0107 podatno\u015bci ni\u017c nowy kod).<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62756\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0413\u0440\u0435\u0433 \u041a\u0440\u043e\u0430-\u0425\u0430\u0440\u0442\u043c\u0430\u043d (Greg Kroah-Hartman), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0434\u0440\u0430 Linux, \u0432\u044b\u0441\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u0432 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u043e\u0432\u044b\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u044f\u0434\u0440\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u041a\u0430\u043a \u0447\u0435\u043b\u043e\u0432\u0435\u043a, \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 15 \u043b\u0435\u0442 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442 \u0432\u0441\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0430\u0445 \u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u044f\u0434\u0440\u0435 Linux, \u043e\u043d \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442, \u0447\u0442\u043e \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043e\u0448\u0438\u0431\u043e\u043a \u0432 \u044f\u0434\u0440\u0435 \u0432\u044b\u0437\u0432\u0430\u043d\u044b \u043d\u0435\u0443\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u043c\u044b\u043c\u0438 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u044f\u0437\u044b\u043a\u0430 \u0421\u0438 (corner case), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-122013","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0413\u0440\u0435\u0433 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