Chiwopsezo mu VMM hypervisor yopangidwa ndi OpenBSD projekiti

Mu hypervisor yoperekedwa ndi OpenBSD Chithunzi cha VMM kudziwika kusatetezeka, zomwe zimalola, kupyolera muzosintha kumbali ya dongosolo la alendo, kulembera zomwe zili m'madera okumbukira a kernel ya malo osungira alendo. Vutoli limadza chifukwa chakuti mbali ina ya maadiresi a alendo (GPA, Adilesi Yapaulendo) imajambulidwa ku kernel virtual address space (KVA), koma GPA ilibe chitetezo cholembera chomwe chimagwiritsidwa ntchito kumadera a KVA omwe amalembedwa kuti awerenge-pokha. . Chifukwa chosowa macheke ofunikira mu ntchito ya evmm_update_pvclock(), ndizotheka kusamutsa ma adilesi a KVA a makina ochezera ku pmap call ndikulemba zomwe zili mu kernel memory.

Kusintha: Opanga OpenBSD atulutsa chigamba kukonza kusatetezeka.

Source: opennet.ru