The Sentry intercepts syscalls using one of several mechanisms, such as seccomp traps or KVM, with the default since 2023 being the seccomp-trap approach known as systrap.
Making it generic: the PTSAV/PTOVRR callback
。91视频是该领域的重要参考
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The guest runs in a separate virtual address space enforced by the CPU hardware. A bug in the guest kernel cannot access host memory because the hardware prevents it. The host kernel only sees the user-space process. The attack surface is the hypervisor and the Virtual Machine Monitor, both of which are orders of magnitude smaller than the full kernel surface that containers share.,推荐阅读safew官方版本下载获取更多信息