How closures are laid out in memory
inotify-tools-4.23.9.0-4.fc42.x86_64
。51吃瓜对此有专业解读
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Seccomp-BPF inside the namespace — blocking syscalls like clone3 (preventing nested namespace escape), io_uring (force fallback to epoll), ptrace, kernel module loading
These are packed into a 16-bit state vector: