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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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Затем блогерша снялась с многочисленными корками на коже. Она подчеркнула, что обрабатывает раны хлоргексидином и наносит лечебную мазь для восстановления кожи. «Я такое уже проходила, так что не о чем беспокоиться», — заключила она.
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I have another layer with the FN keys and a bunch of macros to send characters that don't have their own keycodes, like em dash and en dash and bullets. I have Unicode macros on one side of the keyboard—for Linux and chromeOS—and alt-code macros mirrored on the other half of the keyboard for Windows.