linux-ext4 - Re: [PATCH 02/11] ext4: Fix xattr shifting when expanding inodes (2)

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Date:	Thu, 11 Aug 2016 13:32:37 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org, Dave Chinner <david@...morbit.com>,
	stable@...r.kernel.org#4.4.x-
Subject: Re: [PATCH 02/11] ext4: Fix xattr shifting when expanding inodes (2)

On Wed, Aug 03, 2016 at 12:39:46PM +0200, Jan Kara wrote:
> When multiple xattrs need to be moved out of inode, we did not properly
> recompute total size of xattr headers in the inode and the new header
> position. Thus when moving the second and further xattr we asked
> ext4_xattr_shift_entries() to move too much and from the wrong place,
> resulting in possible xattr value corruption or general memory
> corruption.
> 
> CC: <stable@...r.kernel.org> # 4.4.x-
> Signed-off-by: Jan Kara <jack@...e.cz>

Thanks, applied.

					- Ted
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