linux-kernel - Re: [PATCH V6 3/3] efi: Distinguish between "remaining space" and actually used space

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:	Wed, 24 Apr 2013 11:57:21 +0000
From:	Matthew Garrett <matthew.garrett@...ula.com>
To:	joeyli <jlee@...e.com>
CC:	"matt.fleming@...el.com" <matt.fleming@...el.com>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V6 3/3] efi: Distinguish between "remaining space" and
 actually used space

On Wed, 2013-04-24 at 18:59 +0800, joeyli wrote:

> Then why we don't just remove the "remaining_size" condition but only
> monitor the active_size should not larger then 1/2 storage_size?

If we calculate active_size as using more than 50% of the storage space
but remaining_size says we still have more than 50% available, we should
trust remaining_size instead of active_size.

-- 
Matthew Garrett | mjg59@...f.ucam.org