Seccomp-BPF inside the namespace — blocking syscalls like clone3 (preventing nested namespace escape), io_uring (force fallback to epoll), ptrace, kernel module loading
free_table[bucket] = h->free;
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Twig's makes a range of different flavours。关于这个话题，夫子提供了深入分析
MicroVMs for hardware boundariesMicroVMs use hardware virtualization backed by the CPU’s extensions to run each workload in its own virtual machine with its own kernel.