{"id":153453,"date":"2026-01-08T11:11:55","date_gmt":"2026-01-08T09:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/analiz-ispravleniya-oshibok-v-yadre-linux-v-srednem-oshibki-zamechayut-cherez-2-goda"},"modified":"2026-01-08T11:11:55","modified_gmt":"2026-01-08T09:11:56","slug":"analiz-ispravleniya-oshibok-v-yadre-linux-v-srednem-oshibki-zamechayut-cherez-2-goda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/analiz-ispravleniya-oshibok-v-yadre-linux-v-srednem-oshibki-zamechayut-cherez-2-goda","title":{"rendered":"Analiza corect\u0103rii erorilor \u00een kernelul Linux \u2014 \u00een medie, erorile sunt observate dup\u0103 2 ani","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Rezultatele studiului privind timpul de detectare \u0219i remediere a erorilor din codul nucleului Linux au fost publicate. Datele au fost ob\u021binute \u00een urma analizei a 125.000 de erori marcate \u00een depozitul Git cu eticheta \"Fixes:\", referitoare la commit-ul \u00een care a ap\u0103rut eroarea. Timpul mediu de detectare a erorilor \u00een nucleu a fost de 2.1 ani. Dac\u0103 lu\u0103m \u00een considerare doar erorile corectate \u00een 2025, acest indicator a fost de 2.8 ani. <\/p>\n

30% din erori au fost corectate de aceia\u0219i dezvoltatori care le-au introdus. 56.9% din erori sunt remediate \u00eentr-un interval de un an. 13.5% din erori au r\u0103mas neobservate mai mult de 5 ani (dac\u0103 ne referim doar la erorile remediate \u00een 2025 \u2014 19.4%). Din cauza distribu\u021biei inegale, timpul median de existen\u021b\u0103 al unei erori \u00een codul nucleului a fost de 8 luni pentru e\u0219antionul din 2005 \u0219i de 1 an pentru erorile corectate \u00een 2025. Cea mai persistent\u0103 eroare din cod a fost o dep\u0103\u0219ire a buffer-ului \u00een ethtool, corectat\u0103 dup\u0103 20.7 ani.

\"Analiza<\/center> <\/p>\n

Dinamica detect\u0103rii erorilor difer\u0103 semnificativ de media general\u0103 pentru unele subsisteme, de exemplu, \u00een driver-ul magistralei CAN \u0219i stiva SCTP, identificarea problemelor dureaz\u0103 \u00een medie aproximativ 4 ani, \u00een stiva IPv4 \u2014 3.6 ani, USB \u0219i TTY \u2014 3.5, Netfilter \u0219i stiva de re\u021bea \u2014 2.9, VM \u2014 1.8, GPU \u2014 1.4, BPF \u2014 1.1 ani.

\"Analiza<\/center> <\/p>\n

Timpul de detectare coreleaz\u0103 cu tipurile de erori: timpul mediu de detectare a erorilor legate de st\u0103rile de competi\u021bie a fost de 5.1 ani, dep\u0103\u0219irile de tip \u00eentreg \u2014 3.9, accesul dup\u0103 eliberarea memoriei \u2014 3.2, dep\u0103\u0219irile buffer-ului \u0219i scurgerile de memorie \u2014 3.1, num\u0103rarea referin\u021belor \u2014 2.8, dereferen\u021bierea unui pointer nul \u0219i blocajele reciproce \u2014 2.2 ani. <\/p>\n

Statistica ob\u021binut\u0103 arat\u0103, de asemenea, influen\u021ba introducerii unor noi instrumente pentru c\u0103utarea automat\u0103 a erorilor, analiza static\u0103 \u0219i testarea codului, cum ar fi Syzkaller, KASAN, KMSAN \u0219i KCSAN. De exemplu, \u00een 2010 nu au fost \u00eenregistrate corec\u021bii pentru erorile detectate \u00een decurs de un an. \u00cen schimb, \u00een 2014, \u00een decurs de un an, au fost identificate 31% din erori, \u00een 2018 \u2014 54%, iar \u00een 2022 \u2014 69% din erori. <\/p>\n

Statisticile ob\u021binute au fost folosite pentru a crea modelul de \u00eenv\u0103\u021bare automat\u0103 VulnBERT, capabil s\u0103 prezic\u0103 prezen\u021ba vulnerabilit\u0103\u021bilor \u00een comituri. \u00cen testarea pe comituri din anul 2024, acurate\u021bea detect\u0103rii erorilor a fost de 92,2%, cu o rat\u0103 de alarme false de 1,2% (pentru compara\u021bie, modelul anterior CodeBERT identifica 89,2% din probleme, cu o rat\u0103 de alarme false de 48,1%).
\n
Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u043e\u0448\u0438\u0431\u043e\u043a \u0432 \u043a\u043e\u0434\u0435 \u044f\u0434\u0440\u0430 Linux. \u0414\u0430\u043d\u043d\u044b\u0435 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u044b \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f 125 \u0442\u044b\u0441\u044f\u0447 \u043e\u0448\u0438\u0431\u043e\u043a, \u043f\u043e\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u0445 \u0432 Git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 \u0442\u0435\u0433\u043e\u043c «Fixes:», \u0441\u0441\u044b\u043b\u0430\u044e\u0449\u0438\u043c\u0441\u044f \u043d\u0430 \u043a\u043e\u043c\u043c\u0438\u0442, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u043e\u0437\u043d\u0438\u043a\u043b\u0430 \u043e\u0448\u0438\u0431\u043a\u0430. \u0421\u0440\u0435\u0434\u043d\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043e\u0448\u0438\u0431\u043e\u043a \u0432 \u044f\u0434\u0440\u0435 \u0441\u043e\u0441\u0442\u0430\u0432\u0438\u043b\u043e 2.1 \u0433\u043e\u0434\u0430. \u0415\u0441\u043b\u0438 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0448\u0438\u0431\u043a\u0438, \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 2025 \u0433\u043e\u0434\u0443, \u0434\u0430\u043d\u043d\u044b\u0439 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u0441\u043e\u0441\u0442\u0430\u0432\u0438\u043b 2.8 \u0433\u043e\u0434\u0430. […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":153454,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-153453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Analiza corect\u0103rii erorilor \u00een nucleul Linux \u2014 \u00een medie, erorile sunt observate dup\u0103 2 ani | ProHoster","description":"Au fost publicate rezultatele cercet\u0103rii privind timpul de detectare \u0219i remediere a erorilor \u00een codul nucleului 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