linux(4): Properly apply the protection mode for stack
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Authored by dchagin on Jul 24 2023, 5:59 PM.

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Linux Emulation

Summary

On Linux mprotect(2) changes the access protections for the calling
process's memory pages containing any part of the address range in
the interval addr - addr+len-1. By specifying the PROT_GROWSDOWN flag
the direction of protection changes to down to the beginning of a
mapping.