Bug#1127597: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails

Path	csiph.com!weretis.net!feeder8.news.weretis.net!srl.newsdeef.eu!news.corradoroberto.it!diesel.cu.mi.it!bofh.it!news.nic.it!robomod
From	F!nTcH <fintch@fintch.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1127597: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails
Date	Wed, 04 Mar 2026 18:50:01 +0100
Message-ID	<MuYw9-50KE-3@gated-at.bofh.it> (permalink)
References	<MovGx-Cyx-1@gated-at.bofh.it> <MmS4x-h7vz-1@gated-at.bofh.it> <MovGx-Cyx-1@gated-at.bofh.it>
X-Mailbox-Line	From debian-bugs-dist-request@lists.debian.org Wed Mar 4 17:45:09 2026
Old-Return-Path	<debbugs@buxtehude.debian.org>
X-Spam-Flag	NO
X-Spam-Score	-1.75
Reply-To	F!nTcH <fintch@fintch.org>, 1127597@bugs.debian.org
Resent-To	debian-bugs-dist@lists.debian.org
Resent-Cc	debian-kernel@lists.debian.org
X-Debian-Pr-Message	followup 1127597
X-Debian-Pr-Package	src:linux
X-Debian-Pr-Keywords	patch ipv6 upstream confirmed
X-Debian-Pr-Source	linux
Authentication-Results	garm.ovh; auth=pass (GARM-107S00116115951-f1ec-4f25-99a5-0da14dde0c56, 2D386ED0354F28BC27B65262FCAE85B5541CE485) smtp.auth=fintch@fintch.org
X-Ovh-Clientip	92.170.128.119
MIME-Version	1.0
User-Agent	Mozilla Thunderbird
Content-Language	en-US, fr-FR
Content-Type	text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding	8bit
X-Ovh-Tracer-ID	1963287965602225546
X-Vr-Spamstate	OK
X-Vr-Spamcause	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
X-Greylist	delayed 19195 seconds by postgrey-1.37 at buxtehude; Wed, 04 Mar 2026 17:43:17 UTC
X-Debian-Message	from BTS
X-Mailing-List	<debian-bugs-dist@lists.debian.org> archive/latest/1956441
List-ID	<debian-bugs-dist.lists.debian.org>
List-URL	<https://lists.debian.org/debian-bugs-dist/>
Approved	robomod@news.nic.it
Lines	36
Organization	linux.* mail to news gateway
Sender	robomod@news.nic.it
X-Original-Date	Wed, 4 Mar 2026 12:45:03 +0100
X-Original-Message-ID	<7ca93a63-7d1f-4af3-8766-16d62681b606@fintch.org>
X-Original-References	<b66c8738-ce42-48c3-8b8d-83bb69bf0be6@fintch.org> <177071383551.15684.7212803445896238445.reportbug@arrakeen.geekwu.org> <b66c8738-ce42-48c3-8b8d-83bb69bf0be6@fintch.org>
Xref	csiph.com linux.debian.bugs.dist:1284623 linux.debian.kernel:91524

Cross-posted to 2 groups.

Show key headers only | View raw

Hi all,

As promised, Debian Kernel 6.12.73 works for me.

Again, thanks to all for your great job!

Regards,

F!nTcH


Le 14/02/2026 à 20:12, F!nTcH a écrit :
> Hi all,
>
> First of all, thanks for your great work!
>
> I am also concerned: I use point-to-point vti6 outer tunnel and an 
> ip6tnl as an inner tunnel (configured by systemd-networkd).
>
> 6.12.63 works fine, but doing security update to 6.12.69 broke my 
> configuration (silently discarding packets at arrival). Rolling back 
> without editing any configuration file works.
>
> I hope that GRE6 patch you mentioned would also works for me.
>
> Note that systemd-networkd makes difference between ip6tnl and ip6gre, 
> but I guess underlying processes are common.
>
> I'm waiting for next kernel release and tell you if it works.
>
> Hope it helps!
>
> Regards
>
> F!nTcH
>

Back to linux.debian.kernel | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Bug#1127597: linux-image-6.12.48+deb13-amd64: GRE6 decap fails Bastien Durel <bastien.durel@geekwu.org> - 2026-02-10 10:20 +0100
  Bug#1127597: additional info Bastien Durel <bastien@durel.org> - 2026-02-10 11:10 +0100
  Bug#1127597: linux-image-6.12.48+deb13-amd64: GRE6 decap fails Tobias Fiebig <tobias@fiebig.nl> - 2026-02-10 13:30 +0100
  Processed: Re: Bug#1127597: linux-image-6.12.48+deb13-amd64: GRE6  decap fails "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-02-10 13:30 +0100
  Bug#1127597: Info received (Bug#1127597: linux-image-6.12.48+deb13-amd64: GRE6 decap fails) Tobias Fiebig <tobias@fiebig.nl> - 2026-02-10 13:50 +0100
  Bug#1127597: linux-image-6.19.0+debian+tj: v6.12.69 - ip6gre regression Tj <tj.iam.tj@proton.me> - 2026-02-10 23:00 +0100
  Bug#1127597: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails Tj <tj.iam.tj@proton.me> - 2026-02-11 06:10 +0100
    Bug#1127597: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails Greg KH <gregkh@linuxfoundation.org> - 2026-02-11 06:40 +0100
  Bug#1127597: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails F!nTcH <fintch@fintch.org> - 2026-03-04 18:50 +0100
    Bug#1127597: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails Salvatore Bonaccorso <carnil@debian.org> - 2026-03-05 10:30 +0100
  Bug#1127597: marked as done (linux-image-6.12.48+deb13-amd64:  GRE6 decap fails) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-03-13 19:40 +0100

csiph-web