linux-hardening - Re: [RFC PATCH v2 8/8] selftest mm/mseal mprotect/munmap/mremap/mmap

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]

Date: Fri, 20 Oct 2023 17:23:54 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: jeffxu@...omium.org, akpm@...ux-foundation.org, keescook@...omium.org,
	jannh@...gle.com, sroettger@...gle.com, willy@...radead.org,
	gregkh@...uxfoundation.org, torvalds@...ux-foundation.org,
	jeffxu@...gle.com, jorgelo@...omium.org, groeck@...omium.org,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org, surenb@...gle.com, alex.sierra@....com,
	apopple@...dia.com, aneesh.kumar@...ux.ibm.com,
	axelrasmussen@...gle.com, ben@...adent.org.uk,
	catalin.marinas@....com, david@...hat.com, dwmw@...zon.co.uk,
	ying.huang@...el.com, hughd@...gle.com, joey.gouly@....com,
	corbet@....net, wangkefeng.wang@...wei.com, Liam.Howlett@...cle.com,
	lstoakes@...il.com, mawupeng1@...wei.com, linmiaohe@...wei.com,
	namit@...are.com, peterx@...hat.com, ryan.roberts@....com,
	shr@...kernel.io, vbabka@...e.cz, xiujianfeng@...wei.com,
	yu.ma@...el.com, zhangpeng362@...wei.com, dave.hansen@...el.com,
	luto@...nel.org, linux-hardening@...r.kernel.org
Subject: Re: [RFC PATCH v2 8/8] selftest mm/mseal mprotect/munmap/mremap/mmap

On Fri, Oct 20, 2023 at 07:24:03PM +0500, Muhammad Usama Anjum wrote:

> Please remove these. These macros would be picked up from the kernel
> headers automatically.

As per the previous discussions, how does that work if you have O= build
directories?

I find this push to force people to do 'make headers' in order to use
simple selftests quite misguided. You're making it *harder* to use,
leading to less use.