The critical thing to understand is namespaces are visibility walls, not security boundaries. They prevent a process from seeing things outside its namespace. They do not prevent a process from exploiting the kernel that implements the namespace. The process still makes syscalls to the same host kernel. If there is a bug in the kernel’s handling of any syscall, the namespace boundary does not help.
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，更多细节参见夫子
Still, Democrats are also coming off an effort this week to confront Trump about his administration’s handling of the Epstein files by taking women who survived Epstein’s abuse as their guests to Trump’s State of the Union address.
在 3D 世界里，一个物体 = 几何体 + 材质。