Re: XFS information leak during crash

From: Alan Cox
Date: Thu Nov 03 2005 - 07:19:07 EST


On Iau, 2005-11-03 at 11:11 +1100, Nathan Scott wrote:
> On Thu, Nov 03, 2005 at 01:03:17AM +0100, Jan Kasprzak wrote:
> > : it would only ever be uninitialised, previously-free space.
> >
> > Yes, but an old data from previously deleted files
> > (sendmail's temporary files, vim save files, etc) may contain
> > a sensitive information.
>
> Indeed. But this is a generic issue affecting most filesystems;
> its not specific to XFS as your original mail claimed.

Very true. You can use ext3 in data journalling mode if this is a
concern but that guarantee has a performance cost

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