A GCC -fstack-protector vulnerability on arm64

Posted Sep 13, 2023 20:06 UTC (Wed) by cmm (guest, #81305)
In reply to: A GCC -fstack-protector vulnerability on arm64 by epa
Parent article: A GCC -fstack-protector vulnerability on arm64

> In user space what is the reason for limiting stack size?

In a multi-threaded process, stack space of any thread apart from the main one is limited because the stack has to be mmapped at a particular virtual address upon thread creation and cannot move.