Author(s): Marco Seiz, Tomohiro Takaki
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.
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The group originated in the Pokémon anime's first season, where a gang of delinquent Squirtle wore black shades and caused trouble before eventually joining Ash's team. Their leader — permanently stoic behind his tiny sunglasses — quickly became a fan favorite, embodying a kind of effortless, miniature swagger.
[&:first-child]:overflow-hidden [&:first-child]:max-h-full"，这一点在WPS下载最新地址中也有详细论述