MDWE prctls

[rusty-snake]

• MemoryDenyWriteExecuteMask bitflags (mask or flags?)
  • REFUSE_EXEC_GAIN
  • NO_INHERIT (Linux 6.6)
• set_mdwe(mask) or set_memory_deny_write_execute(mask) or set_memory_deny_write_execute_protection(mask)
• mdwe() -> mask or memory_deny_write_execute() -> mask or memory_deny_write_execute_protection() -> mask

[rusty-snake]

rust-lang/libc#4400

Merged