linux-ext4 - Re: [PATCH v4 09/16] fs-verity: add data verification hooks for ->readpages()

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:   Sat, 15 Jun 2019 10:48:24 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     linux-fscrypt@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-integrity@...r.kernel.org, Jaegeuk Kim <jaegeuk@...nel.org>,
        Victor Hsieh <victorhsieh@...gle.com>,
        Dave Chinner <david@...morbit.com>,
        Christoph Hellwig <hch@....de>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v4 09/16] fs-verity: add data verification hooks for
 ->readpages()

On Thu, Jun 06, 2019 at 08:51:58AM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Add functions that verify data pages that have been read from a
> fs-verity file, against that file's Merkle tree.  These will be called
> from filesystems' ->readpage() and ->readpages() methods.
> 
> Since data verification can block, a workqueue is provided for these
> methods to enqueue verification work from their bio completion callback.
> 
> See the "Verifying data" section of
> Documentation/filesystems/fsverity.rst for more information.
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>

Looks good; you can add:

Reviewed-off-by: Theodore Ts'o <tytso@....edu>

						- Ted