Re: [Bug-tar] tar 1.15.1 fails creating multivol tape archive, outputs incorrect error

[Joerg Schilling]

Jim Faulkner <address@hidden> wrote:

>
> On Wed, 6 Apr 2005, Sergey Poznyakoff wrote:
>
> > Earlier versions of tar did not check the length of the file name while
> > writing volume header, allowing long filenames to overwrite other data
> > from the header. Depending on the circumstances, this lead to various
> > problems (http://lists.gnu.org/archive/html/bug-tar/2004-08/msg00012.html).
>
> I've restored this partition several times over the years with older
> versions of Gnu tar (most recently just a few days ago).  I've never seen
> any error messages when doing a restore.  If tar does not detect that the
> volume header is incorrect, is there a potential for corrupted data?  Or
> will only the file ownership/permissions/times be corrupted?

Tar does not support this way of multi volume at all.

Old GNU tar versions did not accept continuation volumes at restore 
time if with a probability of approx. 5%.

I did report this bug at least 2 years ago....

Jörg

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