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Date:      Sat, 19 Mar 2022 12:40:45 +0100
From:      Thomas Zander <riggs@freebsd.org>
To:        Rene Ladan <rene@freebsd.org>, markj@freebsd.org
Cc:        Matthias Fechner <mfechner@freebsd.org>, Christoph Moench-Tegeder <cmt@burggraben.net>,  Bernard Spil <brnrd@freebsd.org>,  "ports-committers@FreeBSD.org" <ports-committers@freebsd.org>, dev-commits-ports-all@freebsd.org,  dev-commits-ports-main@freebsd.org
Subject:   Re: git: 43741377b143 - main - security/openssl: Security update to 1.1.1n
Message-ID:  <CAFU734zX9DJSsFv=46=6GdVdzxk%2B0yZz-brALdLcdY0m8BQ6Dg@mail.gmail.com>
In-Reply-To: <YjW6ZCkdIMq/lXGA@freefall.freebsd.org>
References:  <57fe4987-b67a-50db-677f-0823230297b1@FreeBSD.org> <689663a5a86e27cc5649b2a378ed1cf3@freebsd.org> <b3b4e822-bc87-357f-8e15-3492526c5a9c@FreeBSD.org> <CAFU734wn1kqoQfpuxT%2BSQdZ--VFKawhHwwFimj6Z8RyzLD-bfQ@mail.gmail.com> <YjTV6f5B8IAUFoWm@elch.exwg.net> <YjTb28jXMkJplc8s@elch.exwg.net> <CAFU734zacFy_%2BDvwG6W55X1=Yu8FYLvTV6DbyhW1azkUwXzG3Q@mail.gmail.com> <YjTrVsQi0ZTdadQK@elch.exwg.net> <579f562b-8add-d3f7-77c9-1a6126bd282b@FreeBSD.org> <CAFU734w5ycC1aY4x1Qoy3SL0Og=8osq%2BhG-mBvaLFrLYHm-MOw@mail.gmail.com> <YjW6ZCkdIMq/lXGA@freefall.freebsd.org>

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On Sat, 19 Mar 2022 at 12:11, Rene Ladan <rene@freebsd.org> wrote:
>
> On Sat, Mar 19, 2022 at 11:04:58AM +0100, Thomas Zander wrote:
> > On Sat, 19 Mar 2022 at 09:00, Matthias Fechner <mfechner@freebsd.org> wrote:
> >
> > > I can confirm now, the problem is definitely related to the -p8 update.
> > > I rolled back now to -p7 using `freebsd-update rollback`.
> > > [...]
> > > System is now up and running again.
> > > This all works even if poudriere jail is using -p8. No need to downgrade the jail/base version poudriere is using.
> > > It is caused by the kernel so the ZFS patch seems to be broken and -p8 should maybe not rolled out to not break more systems of users.
> >
> > On top of "stop rollout", there is the question how to identify the
> > broken files for the users who have already upgraded to -p8. A `zpool
> > scrub` presumably won't help.
>
> I think it also applies to 13.1-BETA2 ?
>
> Should we involve/CC some src committers?

I have just rolled back to -p7 and run a number of test builds in
poudriere (the jails still have the -p8 user land). I see the same as
Matthias and Christoph, the rollback to the -p7 kernel/zfs resolved
the build problems, there are no NUL byte files generated anymore.
Adding markj@ to the discussion. Mark, the TLDR so far:
- One of the zfs patches in -p8 seems to cause erroneous writes.
- We noticed because of many build failures with poudriere (presumably
highly io-loaded during build).
- Symptom: Production of files with large runs of NUL-bytes.



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