Messages in this thread | | | Date | Sat, 08 Jul 2006 21:45:53 +0300 | From | Avi Kivity <> | Subject | Re: ext4 features |
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Krzysztof Halasa wrote: > > Pavel Machek <pavel@ucw.cz> writes: > > > Why not? You use libextfs or how is it called to read the file from > > the disk directly (read-only access), then you write it back using > > regular calls. > > > > Of course, you can end up with "deleted" data being corrupted if > > kernel reused the area before undelete, or while you were doing > > undelete... but that's expected. They were _deleted_, right? > > What if the "undeleted" file contained /etc/shadow because someone > was changing password at the time? :-) >
As the undeleter already had read access to the raw device, /etc/shadow was already compromised.
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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