because POSIX has a function for creating a stack)
Also: This backdoor almost infected Linux everywhere: The XZ Utils close call
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For running trusted code that you wrote and reviewed, Docker with a seccomp profile is probably fine. The isolation is against accidental interference, not adversarial escape.
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08