linux-hardening - Re: [RFC PATCH v2 1/8] mseal: Add mseal(2) syscall.

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Date: Tue, 17 Oct 2023 08:45:36 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: jeffxu@...omium.org, akpm@...ux-foundation.org, keescook@...omium.org,
 jannh@...gle.com, sroettger@...gle.com, willy@...radead.org,
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Subject: Re: [RFC PATCH v2 1/8] mseal: Add mseal(2) syscall.

nit:

On 10/17/23 02:08, jeffxu@...omium.org wrote:

| diff --git a/mm/Kconfig b/mm/Kconfig
| index 264a2df5ecf5..db8a567cb4d3 100644
| --- a/mm/Kconfig
| +++ b/mm/Kconfig
| @@ -1258,6 +1258,14 @@ config LOCK_MM_AND_FIND_VMA
|  	bool
|  	depends on !STACK_GROWSUP
|  
| +config MSEAL
| +	default n
| +	bool "Enable mseal() system call"
| +	depends on MMU
| +	help
| +	  Enable the mseal() system call. Make memory areas's metadata immutable

	                                              areas'

$search_engine is your friend.

| +	  by selected system calls, i.e. mprotect(), munmap(), mremap(), mmap().

-- 
~Randy