linux-hardening - RE: [RFC PATCH v2 0/8] Introduce mseal() syscall

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b3508782e1304074b4b43040be2d1f1b@AcuMS.aculab.com>
Date: Thu, 19 Oct 2023 09:19:29 +0000
From: David Laight <David.Laight@...LAB.COM>
To: "'jeffxu@...omium.org'" <jeffxu@...omium.org>, "akpm@...ux-foundation.org"
	<akpm@...ux-foundation.org>, "keescook@...omium.org" <keescook@...omium.org>,
	"jannh@...gle.com" <jannh@...gle.com>, "sroettger@...gle.com"
	<sroettger@...gle.com>, "willy@...radead.org" <willy@...radead.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>
CC: "jeffxu@...gle.com" <jeffxu@...gle.com>, "jorgelo@...omium.org"
	<jorgelo@...omium.org>, "groeck@...omium.org" <groeck@...omium.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, "surenb@...gle.com"
	<surenb@...gle.com>, "alex.sierra@....com" <alex.sierra@....com>,
	"apopple@...dia.com" <apopple@...dia.com>, "aneesh.kumar@...ux.ibm.com"
	<aneesh.kumar@...ux.ibm.com>, "axelrasmussen@...gle.com"
	<axelrasmussen@...gle.com>, "ben@...adent.org.uk" <ben@...adent.org.uk>,
	"catalin.marinas@....com" <catalin.marinas@....com>, "david@...hat.com"
	<david@...hat.com>, "dwmw@...zon.co.uk" <dwmw@...zon.co.uk>,
	"ying.huang@...el.com" <ying.huang@...el.com>, "hughd@...gle.com"
	<hughd@...gle.com>, "joey.gouly@....com" <joey.gouly@....com>,
	"corbet@....net" <corbet@....net>, "wangkefeng.wang@...wei.com"
	<wangkefeng.wang@...wei.com>, "Liam.Howlett@...cle.com"
	<Liam.Howlett@...cle.com>, "lstoakes@...il.com" <lstoakes@...il.com>,
	"mawupeng1@...wei.com" <mawupeng1@...wei.com>, "linmiaohe@...wei.com"
	<linmiaohe@...wei.com>, "namit@...are.com" <namit@...are.com>,
	"peterx@...hat.com" <peterx@...hat.com>, "peterz@...radead.org"
	<peterz@...radead.org>, "ryan.roberts@....com" <ryan.roberts@....com>,
	"shr@...kernel.io" <shr@...kernel.io>, "vbabka@...e.cz" <vbabka@...e.cz>,
	"xiujianfeng@...wei.com" <xiujianfeng@...wei.com>, "yu.ma@...el.com"
	<yu.ma@...el.com>, "zhangpeng362@...wei.com" <zhangpeng362@...wei.com>,
	"dave.hansen@...el.com" <dave.hansen@...el.com>, "luto@...nel.org"
	<luto@...nel.org>, "linux-hardening@...r.kernel.org"
	<linux-hardening@...r.kernel.org>
Subject: RE: [RFC PATCH v2 0/8] Introduce mseal() syscall

From: jeffxu@...omium.org
> Sent: 17 October 2023 10:08
> 
> This patchset proposes a new mseal() syscall for the Linux kernel.

I'm sure you can give it a better name, there isn't a 6 character
limit on identifiers!

FWIW you could also use mprotect(addr, len, IMMUTABLE);

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)