{"id":181784,"date":"2026-05-28T14:48:41","date_gmt":"2026-05-28T12:48:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/greg-kroa-hartman-rasskazal-o-tom-kak-rust-mozhet-pomoch-v-borbe-s-oshibkami-v-yadre-linux"},"modified":"2026-05-28T14:48:41","modified_gmt":"2026-05-28T12:48:41","slug":"greg-kroa-hartman-rasskazal-o-tom-kak-rust-mozhet-pomoch-v-borbe-s-oshibkami-v-yadre-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/greg-kroa-hartman-rasskazal-o-tom-kak-rust-mozhet-pomoch-v-borbe-s-oshibkami-v-yadre-linux","title":{"rendered":"Greg Kroa-Hartman a vorbit despre cum Rust poate ajuta la combaterea erorilor din nucleul Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Greg Kroah-Hartman, responsabil de suportul ramurilor stabile \u0219i \"staging\" ale nucleului Linux \u0219i men\u021bionat ca principal \u00eentre\u021bin\u0103tor \u00een 16 subsisteme ale nucleului, a sus\u021binut o prezentare la conferin\u021ba Rust Week 2026, \u00een care a explicat cum limbajul Rust poate ajuta la prevenirea apari\u021biei de vulnerabilit\u0103\u021bi \u00een nucleu, generate de erorile tipice ale dezvoltatorilor \u00een limbajul C \u00een lucrul cu memoriile, bloc\u0103rile, gestionarea erorilor \u0219i manipularea datelor nesigure. Principalul avantaj al Rust este capacitatea de a identifica astfel de erori \u00een etapa de compilare, mai degrab\u0103 dec\u00e2t \u00een timpul revizuirii codului de c\u0103tre oameni. Totu\u0219i, Rust nu este v\u0103zut ca o panacee care s\u0103 rezolve toate problemele, iar nimeni nu inten\u021bioneaz\u0103 s\u0103 rescrie nucleul \u00een Rust: se a\u0219teapt\u0103 o adoptare treptat\u0103 a Rust prin utilizarea sa pentru noi drivere \u0219i subsisteme.<\/p>\n<p>Ca exemplu de erori \u00een kernel care ar fi putut fi evitate prin utilizarea Rust, a fost men\u021bionat\u0103 o eroare \u00een subsistemul Bluetooth, care a r\u0103mas neobservat\u0103 timp de 15 ani, \u0219i o problem\u0103 \u00een hiper-vizorul Xen. \u00cen primul caz, programatorul a efectuat dereferirea unui pointer f\u0103r\u0103 verificare, iar \u00een al doilea, a uitat s\u0103 elimine blocarea \u00een codul de gestionare a erorilor.<br \/>\nPotrivit lui Greg, majoritatea erorilor din kernel sunt cauzate de astfel de detalii minore, care se acumuleaz\u0103 \u00een timp \u0219i apar ca vulnerabilit\u0103\u021bi. \u00cen Rust, multe dintre aceste probleme sunt prevenite de compilator; de exemplu, abstrac\u021biile Rust pentru bloc\u0103ri permit accesul la pointerele interne ale structurilor doar dup\u0103 ce blocarea corespunz\u0103toare a fost ob\u021binut\u0103, care este eliminat\u0103 automat. F\u0103r\u0103 ob\u021binerea bloc\u0103rii, accesul la pointerele structurilor \u00een Rust nu este posibil. <\/p>\n<p>Greg consider\u0103 c\u0103 aceste capabilit\u0103\u021bi ale Rust ar fi \u00eempiedicat apari\u021bia a 60% din erorile identificate \u00een kernel, iar verific\u0103rile efectuate de compilator ar fi scutit dezvoltatorii de a pierde timp discut\u00e2nd cu autorii despre corectitudinea gestion\u0103rii erorilor \u0219i justificarea bloc\u0103rilor \u00een locurile corecte. Mai mult, implementarea suportului pentru Rust a avut deja un impact benefic \u0219i asupra codului C din kernel, datorit\u0103 \u00eembun\u0103t\u0103\u021birii codului C \u0219i a interfe\u021belor, precum \u0219i adopt\u0103rii unor tehnici de dezvoltare (de exemplu, au fost implementate bloc\u0103ri cu domeniu de vizibilitate restr\u00e2ns).<\/p>\n<p>Datorit\u0103 sistemului de tipuri care garanteaz\u0103 respectarea regulilor stabilite \u0219i a aplic\u0103rii sistemelor de integrare continu\u0103 care verific\u0103 codul \u00een etapa de compilare, cei care revizuiesc modific\u0103rile \u00een Rust pot s\u0103 se concentreze asupra verific\u0103rii logicii func\u021bion\u0103rii, mai degrab\u0103 dec\u00e2t s\u0103 urm\u0103reasc\u0103 manipul\u0103rile cu resursele. Utilizarea Rust permite, de asemenea, o aten\u021bie mai mare asupra datelor provenite de la echipamente sau din sisteme externe. Acest lucru se realizeaz\u0103 prin delimitarea explicit\u0103 a datelor de \u00eencredere \u0219i a celor ne\u00eencrez\u0103toare la nivelul sistemului de tipuri: dezvoltatorul trebuie doar s\u0103 efectueze o analiz\u0103 la trecerea dintr-o stare ne\u00eencrez\u0103toare \u00een una de \u00eencredere.<\/p>\n<p>\u00cen ultima vreme, echipa responsabil\u0103 pentru securitatea nucleului public\u0103 \u00een fiecare zi aproximativ 13 rapoarte despre vulnerabilit\u0103\u021bi, ceea ce, \u00een contextul dinamicii anterioare de identificare a vulnerabilit\u0103\u021bilor, este perceput ca o nebunie (de exemplu, ieri au fost publicate 277 de rapoarte despre vulnerabilit\u0103\u021bi \u00een nucleu). Potrivit lui Greg, utilizarea Rust este una dintre modalit\u0103\u021bile reale de a reduce num\u0103rul erorilor din nucleu cauzate de gre\u0219elile tradi\u021bionale \u00een gestionarea erorilor \u0219i a resurselor. Suportul pentru Rust \u00een nucleu a ie\u0219it deja din etapa experimental\u0103 \u0219i la sf\u00e2r\u0219itul anului trecut a fost recunoscut\u0103 ca o capacitate standard a nucleului. <\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"0vhGWclF7LU\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/0vhGWclF7LU\/hqdefault.jpg\" alt=\"Reda\u021bi video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65549\">opennet.ro<\/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 \u0438 &#171;staging&#187; 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