linux-kernel - Re: [PATCH v2 2/2] mul_u64_u64_div

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: <n92q9p5r-9o9r-prp3-s256-110322s5n233@syhkavp.arg>
Date: Wed, 3 Jul 2024 13:47:10 -0400 (EDT)
From: Nicolas Pitre <nico@...xnic.net>
To: Andrew Morton <akpm@...ux-foundation.org>
cc: Uwe Kleine-König <u.kleine-koenig@...libre.com>, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] mul_u64_u64_div_u64: basic sanity test

On Wed, 3 Jul 2024, Andrew Morton wrote:

> On Tue,  2 Jul 2024 23:34:09 -0400 Nicolas Pitre <nico@...xnic.net> wrote:
> 
> > Verify that edge cases produce proper results, and some more.
> 
> Awesome, thanks.
> 
> Do you know of any situations in which the present implementation
> causes issues?

Uwe could probably elaborate further, but the example given in the 
first commit log is causing trouble for a driver he's working on.


Nicolas