{"id":146042,"date":"2025-10-21T23:12:38","date_gmt":"2025-10-21T21:12:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust"},"modified":"2025-10-21T23:12:38","modified_gmt":"2025-10-21T21:12:38","slug":"v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","title":{"rendered":"I Linux-k\u00e4rnan 6.18 har en implementation av Binder IPC f\u00f6r Android antagits, skriven i Rust.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I kodbasen f\u00f6r Linux-k\u00e4rnan, som ligger till grund f\u00f6r version 6.18, har implementeringen av mekanismen f\u00f6r mellanprocesskommunikation, Binder, accepterats, skriven i Rust. Binder anv\u00e4nds i Android f\u00f6r att organisera interaktionen mellan processer och f\u00f6r fj\u00e4rranrop av metoder (en Android-process kan anropa en metod eller funktion i en annan Android-process, vilket anv\u00e4nder Binder f\u00f6r att identifiera, anropa och \u00f6verf\u00f6ra argument mellan processerna). Koden f\u00f6r Binder har skrivits om i Rust som en del av ett projekt f\u00f6r att f\u00f6rb\u00e4ttra s\u00e4kerheten, fr\u00e4mja metoder f\u00f6r s\u00e4ker programmering och \u00f6ka effektiviteten vid identifiering av minnesproblem i Android (ungef\u00e4r 70% av alla farliga s\u00e5rbarheter i Android orsakas av minneshanteringsfel).       <\/p>\n<p>Anv\u00e4ndningen av Rust har l\u00f6st n\u00e5gra av de problem som Binder-utvecklare har st\u00f6tt p\u00e5, inklusive fel relaterade till referensr\u00e4kning, l\u00e5s och gr\u00e4nskontroll, samt v\u00e4sentligt minskat komplexiteten i felhantering. Binder-implementationen p\u00e5 Rust \u00e4r funktionellt lik den ursprungliga versionen p\u00e5 C, klarar alla AOSP (Android Open-Source Project) tester och kan anv\u00e4ndas f\u00f6r att skapa fungerande versioner av Android-firmware. Trots de avancerade funktionerna och st\u00f6d f\u00f6r objekt med komplex \u00e4gandesemantik \u00e4r drivrutinen p\u00e5 Rust mindre \u00e4n versionen p\u00e5 C \u2014 5,5 mot 5,8 tusen kodrader.      <\/p>\n<p>I commitbeskrivningen n\u00e4mner f\u00f6rfattaren f\u00f6ljande motiv f\u00f6r att skriva om Binder:  <\/p>\n<ul>\n<li class=\"l\"> Binder har utvecklats i 15 \u00e5r och under den tiden har dess funktionalitet och komplexitet \u00f6kat avsev\u00e4rt \u2014 projektet befinner sig i sk\u00e4rningspunkten mellan alla Android-komponenter och omfattar m\u00e5nga uppgifter som g\u00e5r bortom IPC:\n<ul>\n<li class=\"l\"> korrekt analys och transformation av inneh\u00e5llet i transaktioner som kan inneh\u00e5lla flera objekt av olika typer (t.ex. pekare, filbeskrivare) som interagerar med varandra;\n<li class=\"l\"> kontroll av storleken p\u00e5 tr\u00e5dpooler i anv\u00e4ndarrymd och s\u00e4kerst\u00e4llande av att transaktioner tilldelas tr\u00e5dar p\u00e5 ett s\u00e4tt som undviker d\u00f6dl\u00e4gen n\u00e4r tr\u00e5darna i poolen \u00e4r slut;\n<li class=\"l\"> \u00f6vervakning av referensr\u00e4knare f\u00f6r objekt som anv\u00e4nds av flera processer, korrekt vidarebefordra \u00e4ndringar i referensr\u00e4knare mellan processerna;\n<li class=\"l\"> hantering av m\u00e5nga olika felaktighetsfall och kombinera 13 olika l\u00e5s, 7 l\u00e4nkr\u00e4knare och atom\u00e4ra variabler. Vid detta ska liknande uppgifter utf\u00f6ras s\u00e5 snabbt och korrekt som m\u00f6jligt.  <\/ul>\n<li class=\"l\"> Den gamla koden har samlat p\u00e5 sig en betydande teknisk skuld som har komplicerat b\u00e5de feluppsp\u00e5rning och vidare utveckling. Till exempel finns det stora funktioner i k\u00e4rnan med mer \u00e4n tusen rader kod, tveksamma felhanteringsmetoder och komplicerade strukturer.\n<li class=\"l\"> Binder \u00e4r en kritisk s\u00e4kerhetskomponent f\u00f6r Android, eftersom plattformelement som k\u00f6rs i isolerade sandbox-milj\u00f6er, s\u00e5som renderingprocessen i Chrome och SW Codec, har direkt tillg\u00e5ng till den. En s\u00e5rbarhet i Binder kan kringg\u00e5 isoleringen. Den h\u00f6ga komplexiteten, i kombination med teknisk skuld, f\u00f6rsv\u00e5rar kraftigt uppr\u00e4tth\u00e5llande av en h\u00f6g s\u00e4kerhetsniv\u00e5 i Binder.    <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64092\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u044f\u0434\u0440\u0430 Linux, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0440\u0435\u043b\u0438\u0437 6.18, \u043f\u0440\u0438\u043d\u044f\u0442\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043c\u0435\u0436\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043d\u043e\u0433\u043e \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f Binder, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0430\u044f \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. Binder \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 Android \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438 \u0438 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u0437\u043e\u0432\u0430 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 (\u043e\u0434\u0438\u043d \u043f\u0440\u043e\u0446\u0435\u0441\u0441 Android \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434 \u0438\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0432 \u0434\u0440\u0443\u0433\u043e\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 Android, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f Binder \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u0432\u044b\u0437\u043e\u0432\u0430 \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u043c\u0435\u0436\u0434\u0443 [&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-146042","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u044f\u0434\u0440\u0430 Linux, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 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