linux-ext4 - Re: [PATCH 56/54] libext2fs: zero hash in ibody extended attributes

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] [day] [month] [year] [list]

Message-ID: <20150329041312.GG19097@thunk.org>
Date:	Sun, 29 Mar 2015 00:13:12 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 56/54] libext2fs: zero hash in ibody extended attributes

On Thu, Mar 19, 2015 at 02:45:51PM -0700, Darrick J. Wong wrote:
> The kernel never updates the extended attribute hash value for
> attributes stored in the inode.  However, fsck has always checked this
> value (if it's nonzero) and will complain if the hash doesn't match
> the xattr.  Therefore, always zero the hash value when writing to
> in-ibody xattrs to avoid creating "corrupt" attribute errors
> downstream.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Thanks, applied.

					- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html