From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8E401A3157 for ; Wed, 11 Feb 2026 05:29:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770787800; cv=none; b=aDnajnthhzMBrgDUtwWnsp1gQMCQx7CM4+FZ4ly5TGqcKXeh8bDFXyrXGeidN99RmrUDFBd+ryTsdp/SL74Vq9vmLqcDyqfUMxfL/aiaQzyQtf05IDxnbHJlGfVuTYeB66IP+0FwjvNqIAknrQBWNg/4iiqHinonoQa2GUrnwb4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770787800; c=relaxed/simple; bh=Uz+x9y99muTa8NCgYEpHnw/WPnftl6PnQ+zs1LSTcXE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DzaTTJTqoLFQyES4aV2z4NUJTSAocoRy+jVMp6BbLxXtm6B0x4ZEc8fPQkCcnK4OTiQWcXiCn069LjymFiQ3i4Y8F0fQ70HNnWxvCwYNMto6kAsQjcc9TiuwIUzxzm12XwVW7XcC9R9FH7KZG6jRde0J7AhRT0LPn+4/qy6tu5w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Myxfk5HE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Myxfk5HE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1793C4CEF7; Wed, 11 Feb 2026 05:29:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770787799; bh=Uz+x9y99muTa8NCgYEpHnw/WPnftl6PnQ+zs1LSTcXE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Myxfk5HEkvebWZ+SL2FyaSK72iDneav+ebjjmH6s5aQJ+9yERQShgwBbAjG/nNKUB ujHlDIZWRujTcEP0angQL1QjDx1aUw6sYGncX2a8CoBN8zL9tWu0ZqQ+9Q7J1zyHgn rPaX8MDCLu8XgOiAVnRGZjRPgQGWTeCpIT/uBN/k= Date: Wed, 11 Feb 2026 06:29:56 +0100 From: Greg KH To: Tj Cc: 1127597@bugs.debian.org, Eric Dumazet , stable@vger.kernel.org, Bastien Durel Subject: Re: Regression: v6.12.67 ip6_tunnel: ip6gre decapsulation fails Message-ID: <2026021138-gleaming-overarch-7e6f@gregkh> References: <177076023892.578113.8206759777477389796.reportbug@sunny> <4157ffbe-3974-46f8-a39f-01671d86e224@proton.me> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4157ffbe-3974-46f8-a39f-01671d86e224@proton.me> On Wed, Feb 11, 2026 at 05:04:04AM +0000, Tj wrote: > ip6gre tunnels fail to be decapsulated in v6.12.67 so never appears on > the GRE interface. > > Reverting the following commit fixes it: > > commit df5ffde9669314500809bc498ae73d6d3d9519ac > Author: Eric Dumazet > Date:   Wed Jan 7 16:31:09 2026 +0000 > >     ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() > >     [ Upstream commit 81c734dae203757fb3c9eee6f9896386940776bd ] > > v6.19 works but I've not been able to identify a subsequent commit that > should also be backported to the stable tree. Please see this thread: https://lore.kernel.org/r/CANn89iL5ksZZCJr7SK9=4Sw6EejdOzr5_m6pBMM8RVtbLy_ACA@mail.gmail.com I think that should fix this, right? thanks, greg k-h