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by achierius
286 days ago
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> It sounds like the kernel’s allocations may only use one tag What about the blogpost suggested this? " ... always-on memory safety protection for our key attack surfaces including the kernel ..." " ... always-on memory-safety protection covering key attack surfaces — including the kernel and over 70 userland processes — built on the Enhanced Memory Tagging Extension (EMTE) and supported by secure typed allocators and tag confidentiality protections ... " Suggests to me that the kernel allocator uses a similar tagging policy as the userspace allocators do. |
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