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https://developer.apple.com/documentation/apple-silicon/porting-just-in-time-compilers-to-apple-silicon https://developer.apple.com/documentation/apple-silicon/

• josephcsible 5y ago
  That link confirms that it can: > Because pthread_jit_write_protect_np changes only the current thread’s permissions, avoid accessing the same memory region from multiple threads. Giving multiple threads access to the same memory region opens up a potential attack vector, in which one thread has write access and another has executable access to the same region.