linux-ext4 - Re: [PATCH RESEND v2 01/12] tune2fs: Allow enabling casefold feature after fs creation

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: <YBHsXp8TZ+R0bxR7@mit.edu>
Date:   Wed, 27 Jan 2021 17:42:38 -0500
From:   "Theodore Ts'o" <tytso@....edu>
To:     Arnaud Ferraris <arnaud.ferraris@...labora.com>
Cc:     linux-ext4@...r.kernel.org, drosen@...gle.com,
        krisman@...labora.com, ebiggers@...nel.org
Subject: Re: [PATCH RESEND v2 01/12] tune2fs: Allow enabling casefold feature
 after fs creation

On Thu, Dec 10, 2020 at 04:03:42PM +0100, Arnaud Ferraris wrote:
> From: Gabriel Krisman Bertazi <krisman@...labora.com>
> 
> The main reason we didn't allow this before was because !CASEFOLDED
> directories were expected to be normalized().  Since this is no longer
> the case, and as long as the encrypt feature is not enabled, it should
> be safe to enable this feature.
> 
> Disabling the feature is trickier, since we need to make sure there are
> no existing +F directories in the filesystem.  Leave that for a future
> patch.
> 
> Also, enabling strict mode requires some filesystem-wide verification,
> so ignore that for now.
> 
> Signed-off-by: Gabriel Krisman Bertazi <krisman@...labora.com>
> Signed-off-by: Arnaud Ferraris <arnaud.ferraris@...labora.com>

Thanks, applied.

					- Ted