Looking at the wider picture, however, mandatory age verification appears to be a growing trend. The UK government's current implementation under the Online Safety Act has come under heavy fire for privacy concerns, while platforms like Discord have received similar critique for their face-scanning age verification efforts, not least because of associations with companies that may not be using the collected data for mere age-confirmation purposes.
The Sentry intercepts the untrusted code’s syscalls and handles them in user-space. It reimplements around 200 Linux syscalls in Go, which is enough to run most applications. When the Sentry actually needs to interact with the host to read a file, it makes its own highly restricted set of roughly 70 host syscalls. This is not just a smaller filter on the same surface; it is a completely different surface. The failure mode changes significantly. An attacker must first find a bug in gVisor’s Go implementation of a syscall to compromise the Sentry process, and then find a way to escape from the Sentry to the host using only those limited host syscalls.
，这一点在爱思助手下载最新版本中也有详细论述
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