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A more robust raw OpenBSD syscall demo

Ted Unangst published dude, where are your syscalls? on flak yesterday, with a neat demonstration of OpenBSD’s pinsyscall security feature, whereby only pre-registered addresses are allowed to make system calls. Whether it strengthens or weakens security is up for debate, but regardless it’s an interesting, low-level programming challenge. The original demo i

https://www.osnews.com/story/141927/a-more-robust-raw-openbsd-syscall-demo/