artulab.com Git - openbsd/commit

author	deraadt <deraadt@openbsd.org>
	Fri, 7 Oct 2022 14:59:39 +0000 (14:59 +0000)
committer	deraadt <deraadt@openbsd.org>
	Fri, 7 Oct 2022 14:59:39 +0000 (14:59 +0000)
commit	8c7187e8f9910ee01579e69c0d0a30f2bd8a8769
tree	f40a51d277ce2c8b612face16d12433718bd0f8d	tree \| snapshot
parent	21a4cd7f211a6e7bd6be1d689aeb247620f38d66	commit \| diff

Add mimmutable(2) system call which locks the permissions (PROT_*) of
memory mappings so they cannot be changed by a later mmap(), mprotect(),
or munmap(), which will error with EPERM instead.
ok kettenis

12 files changed:

sys/arch/mips64/mips64/trap.c		diff \| blob \| history
sys/kern/exec_subr.c		diff \| blob \| history
sys/kern/kern_exec.c		diff \| blob \| history
sys/kern/kern_pledge.c		diff \| blob \| history
sys/kern/kern_resource.c		diff \| blob \| history
sys/kern/syscalls.master		diff \| blob \| history
sys/sys/mman.h		diff \| blob \| history
sys/uvm/uvm_extern.h		diff \| blob \| history
sys/uvm/uvm_io.c		diff \| blob \| history
sys/uvm/uvm_map.c		diff \| blob \| history
sys/uvm/uvm_map.h		diff \| blob \| history
sys/uvm/uvm_mmap.c		diff \| blob \| history

OpenBSD src

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by Ahmet Artu Yildirim