{"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\/et\/blog\/news\/analiz-ispravleniya-oshibok-v-yadre-linux-v-srednem-oshibki-zamechayut-cherez-2-goda","title":{"rendered":"Linuxi tuuma veaanal\u00fc\u00fcsi tulemused \u2014 keskmiselt avastatakse vead kahe aasta jooksul.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Avalikustatud on uuringu tulemused, mis k\u00e4sitleb Linuxi tuuma veateavitus- ja parandamisprotsessi. Andmed on saadud anal\u00fc\u00fcsides 125 000 vea parandust, mis on m\u00e4rgitud Git-repos tagiga «Fixes:», mis viitab commit'ile, kus viga tekkis. Keskmine vea avastamise aeg tuumas oli 2,1 aastat. Kui arvestada ainult 2025. aastal parandatud vigu, siis j\u00f5udis see n\u00e4itaja 2,8 aastani. <\/p>\n

30% vigadest parandasid samad arendajad, kes need tegid. 56,9% vigadest k\u00f5rvaldatakse aasta jooksul. 13,5% vigadest j\u00e4i silma v\u00e4hem kui 5 aastaks (kui arvestada ainult 2025. aastal parandatud vigu \u2014 19,4%). Eba\u00fchtlase jaotuse t\u00f5ttu on vigade keskmine eluea pikkus tuuma koodis 8 kuud 2005. aastast alates ja 1 aasta 2025. aastal parandatud vigade puhul. Pikaajalisema veana koodis osutus andme\u00fclekande \u00fclevool ethtool'is, mille parandamiseni kulus 20,7 aastat.

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

Veateavitus d\u00fcnaamika erineb m\u00e4rgatavalt teistest alams\u00fcsteemidest, n\u00e4iteks CAN-bussi draiveri ja SCTP-v\u00f5rgu jaoks; probleemide tuvastamine kestab keskmiselt umbes 4 aastat, IPv4-virnaahelas \u2014 3,6 aastat, USB ja TTY \u2014 3,5 aastat, Netfilter ja v\u00f5rgu virnaahel \u2014 2,9 aastat, VM \u2014 1,8 aastat, GPU \u2014 1,4 aastat ja BPF \u2014 1,1 aastat.

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

Veateavitus aeg korreleerub vigade liikidega: keskmine avastamise aeg voorut\u00e4itumisega seotud vigade puhul oli 5,1 aastat, t\u00e4isarvude \u00fclet\u00e4itumise puhul \u2014 3,9 aastat, m\u00e4lu vabastamisest p\u00e4rast juurdep\u00e4\u00e4su \u2014 3,2 aastat, andme\u00fclekande \u00fclevool ja m\u00e4lu leke \u2014 3,1 aastat, viidete loendamine \u2014 2,8 aastat, nullviidete dereferentsimine ja vastastikused blokeeringud \u2014 2,2 aastat. <\/p>\n

Saadud statistikas n\u00e4ib ka uute automaatsete veateavitusmeetodite, staatilise anal\u00fc\u00fcsi ja koodi testimise t\u00f6\u00f6riistade, nagu Syzkaller, KASAN, KMSAN ja KCSAN, m\u00f5ju. N\u00e4iteks 2010. aastal ei registreeritud aasta jooksul \u00fchtegi vigade parandust. Samal ajal tuvastati 2014. aastal 31% vigadest, 2018. aastal \u2014 54% ja 2022. aastal \u2014 69% vigadest. <\/p>\n

Saadud statistikat kasutati masin\u00f5ppe mudeli VulnBERT loomisel, mis v\u00f5imaldab ennustada haavatavuste esinemist commit'ides. 2024. aasta commit'ide testimise ajal oli t\u00f5rkedetection t\u00e4psus 92,2% valepositiivsete m\u00e4\u00e4raga 1,2% (v\u00f5rdluseks, varasema versioonina CodeBERT avastas 89,2% probleeme valepositiivsete m\u00e4\u00e4raga 48,1%).
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/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\udd47Linuxi kernelis vigade parandamise anal\u00fc\u00fcs \u2014 keskmiselt tuvastatakse vead kahe aasta p\u00e4rast | ProHoster","description":"Avaldatud on uuringu tulemused Linuxi kernelikoodi vigade tuvastamise ja k\u00f5rvaldamise 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