linux-kernel - Re: proposition for fixing Y292B bug

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: Sun, 30 Jun 2024 20:41:21 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: David Polakovic <email@...lakovic.space>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Theodore Ts'o <tytso@....edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: proposition for fixing Y292B bug

On Sun, Jun 30, 2024 at 10:05:18AM +0200, David Polakovic wrote:
> Hello dear developers and enthusiasts.
> 
> My name is David and recently I wrote a blog post about "necessity"
> of fixing 64-bit signed integer overflow of time_t, sometime in year
> 292 billion. I proposed this to simply have software complete solution
> for timekeeping. The blog had somewhat nice feedback and few people
> told me to write to your mailing list.
> 
> As I mention in the list, I am no way experienced enough in kernel
> space to turn this into full merge request, so I post it to you and
> if anyone would like to build on this idea, it is GPLd for your convenience.
> 
> Any feedback is highly appreciated so please, include me in CC's.
> 
> The blog is written with funny attitude, but it is in no way meant to
> be joke, parody or insult.
> https://dpolakovic.space/blogs/y292b

Reading your paper, it seems like the userspace solution is to introduce bigger
int type (i.e. int128/bigint); and you want the same to apply to kernel, right?
Also, if that happens, I think C also needs built-in bigint type.

Confused...

-- 
An old man doll... just what I always wanted! - Clara

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)