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SubjectRe: 2.4.20-rc3 ext3 fsck corruption -- tool update warning needed?
Date
On Thursday 28 November 2002 23:49, Andries Brouwer wrote:
> On Wed, Nov 27, 2002 at 07:55:48AM -0500, Theodore Ts'o wrote:
> > Ah, ha. I think I know what happened.
> >
> > What version of e2fsprogs were you using? If it was 1.28, that would
> > explain what you saw. There was a fencepost error that could corrupt
> > directories when it was optimizing/rehashing them. This bug was fixed
> > in in the next version, which was rushed out the door as a result of
> > this bug. Fortunately, 1.28 didn't get adopted by any distro's as far
> > as I know
>
> Hmm. On a recently installed SuSE 8.1 machine:
>
> % rpm -qf `which e2fsck`
> e2fsprogs-1.28-18
>
> (maybe the -18 contains the fix?)

No, see below, I copied it from the SuSE security list.

>> This could be slightly off-topic, but isn't data corruption security
>> related?
>> SuSE 8.1 was delivered with e2fsprogs-1.28, which has a "fencepost
>> error" (???) which could cause directory corruption.
>
> According to the maintainer of our e2fsprogs package, this referes to the
> htree (hash tree) stuff in e2fsprogs which is *not* enabled in
> SuSEs version of e2fsprogs.
>
> HTH
>
> best regards,
> Rainer Link
> (SuSE Labs)

--

GertJan
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