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.
「監獄裡面最主要的就是……失去了自由，然後吃飯都是監獄裡的伙食，對整個人的精神也是蠻大的衝擊，但是同時也有機會認識到一些，非常多不同國家的移民。」
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Фото: Jamal Awad / Reuters
revocability and the presence of ATMs under bank surveillance) to be relatively