{"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\/da\/blog\/news\/v-yadro-linux-6-18-prinyata-realizacziya-binder-ipc-dlya-android-napisannaya-na-rust","title":{"rendered":"Binder IPC-implementeringen til Android, skrevet i Rust, er blevet inkluderet i Linux-kernen 6.18","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I kodebasen for Linux-kernen, som danner grundlaget for version 6.18, er implementeringen af interproceskommunikationsmekanismen Binder, skrevet i Rust, blevet accepteret. Binder bruges i Android til at organisere interaktion mellem processer og til fjernopkald af metoder (\u00e9n Android-proces kan kalde en metode eller funktion i en anden Android-proces ved at bruge Binder til at identificere, kalde og overf\u00f8re argumenter mellem processer). Koden til Binder blev omskrevet i Rust som led i et projekt til at styrke sikkerheden, fremme sikre programmeringspraksisser og forbedre effektiviteten ved identifikation af hukommelsesproblemer i Android (omkring 70% af alle farlige s\u00e5rbarheder, der findes i Android, skyldes fejl i hukommelsesbehandling).       <\/p>\n<p>Brugen af Rust har l\u00f8st nogle af de problemer, som udviklerne af Binder har st\u00f8dt p\u00e5, herunder fejl relateret til referenceopt\u00e6lling, l\u00e5sninger og gr\u00e6nsekontrol, samt betydeligt reduceret kompleksiteten af fejlbehandling. Implementeringen af Binder i Rust er funktionelt ens med den oprindelige version i C, den best\u00e5r visse AOSP (Android Open-Source Project) tests og kan bruges til at skabe funktionelle Android-firmwareudgaver. P\u00e5 trods af de avancerede funktioner og underst\u00f8ttelsen af objekter med kompleks ejerskabssemantik, er driveren i Rust mindre end C-versionen - 5,5 mod 5,8 tusinde linjer kode.      <\/p>\n<p>I beskrivelsen af committen n\u00e6vner forfatteren f\u00f8lgende motiver for at omskrive Binder:  <\/p>\n<ul>\n<li class=\"l\"> Binder har udviklet sig i 15 \u00e5r, og i l\u00f8bet af denne tid er dens funktionalitet og kompleksitet steget betydeligt - projektet er placeret i krydsfeltet for alle Android-komponenter og d\u00e6kker mange opgaver, der str\u00e6kker sig ud over IPC:\n<ul>\n<li class=\"l\"> korrekt analyse og transformation af indholdet i transaktioner, der kan indeholde flere objekter af forskellige typer (for eksempel, pointers, filbeskrivelser), der interagerer med hinanden;\n<li class=\"l\"> kontrol af st\u00f8rrelsen p\u00e5 tr\u00e5d-pools i brugerrummet og sikring af tildeling af transaktioner til tr\u00e5de p\u00e5 en m\u00e5de, der undg\u00e5r deadlocks, n\u00e5r tr\u00e5dene i poolen er brugt op;\n<li class=\"l\"> sporing af referencecounting af objekter, der deles mellem flere processer, ved korrekt at overf\u00f8re \u00e6ndringer af referencecounts mellem processerne;\n<li class=\"l\"> h\u00e5ndtering af mange fejlscenarier og kombination af 13 forskellige l\u00e5se, 7 linkt\u00e6llere og atomariske variabler. I denne proces skal han udf\u00f8re s\u00e5danne opgaver s\u00e5 hurtigt og korrekt som muligt.  <\/ul>\n<li class=\"l\"> Den gamle kode har en betydelig teknisk g\u00e6ld, som komplicerer b\u00e5de fejls\u00f8gning og videre udvikling. For eksempel findes der store funktioner med mere end tusinde kodelinjer i kernen, tvivlsomme metoder til fejlh\u00e5ndtering og forvirrende strukturer.\n<li class=\"l\"> Binder er en kritisk sikkerhedskomponent i Android, da elementer fra platformen, der k\u00f8rer i isolerede sandbox-milj\u00f8er, som f.eks. renderingsprocessen i Chrome og SW Codec, har direkte adgang til det. En s\u00e5rbarhed i Binder vil tillade omg\u00e5else af isolation. Den h\u00f8je kompleksitet sammen med den tekniske g\u00e6ld g\u00f8r det meget vanskeligt at opretholde et h\u00f8jt sikkerhedsniveau i Binder.    <\/ul>\n<p>Kilde: <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 5.0.3 - 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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