[Pkg-cryptsetup-devel] Bug#411784: Bug#411784: Bug#411784: ext2 fs identified as mimix fs

Jonas Meurer jonas at freesources.org
Mon Sep 10 12:44:29 UTC 2007


On 10/09/2007 David Härdeman wrote:
> >> I have the same problem; not on my swap partition, but on my home
> >> partition (ext3).
> >>
> > Is it possible, as crypted partitions are random, that they sometimes look
> > like valid partitions, and therefore /lib/cryptsetup/checks/un_vol_id
> > reports erroneous result ?
> 
> Yes
> 
> > But why do random data look more like minix than any other filesystem ?
> 
> Because Minix has a very short signature located in an unfortunate
> location (one that changes frequently on disk).
> 
> We will perhaps have to filter minix in un_vol_id since it seems more
> likely that someone would have a misdetected fs rather than having a real
> minix fs.

I just added some code to vol_id and un_vol_id which filters out minix
filesystem detection as you suggested, David.

David: Could you take a look at debian/NEWS? Maybe you find better words
to describe the change.

...
 jonas





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