From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bregans-1.gladserv.net (bregans-1.gladserv.net [185.128.211.58]) (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 730CB79F2; Sun, 22 Jun 2025 09:47:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.128.211.58 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750585679; cv=none; b=SGiPq6X+fcxdndQsZWljIU6xtzoXS+KTVt9CBoAqGYZROXHgixWd1PEFVxbK4vmu00VavfI69DcYaZLT8ZO0GfOKynHq1GsL7bK6qVbOKgSBZjEYLr1DEwAMaRs7guR1Oc8ncNB0gy/W3NuJ/9sZdYc+xS1emn9iJLW5Ntp16os= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750585679; c=relaxed/simple; bh=3r2stGeFxdRTV62Vx1SerU6WP4+HO3pIxtvqxjafR0Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dH0xn+BLhUHgokOpp8yCUdUE2NQ/yaAE4pLcOAu31MKu/0Cz84GFlBEXQcOT9mwNy7f355g2i4GtVVt9WEaSeJOSIkZRgzgoIa4mQ0WWx9TYttVZXEDnMeu6p++lQ1YuWQb+R7iz/XyuouE7Sc9m+rdIc11atFpa+lMrfm/BGOM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=librecast.net; spf=pass smtp.mailfrom=gladserv.com; arc=none smtp.client-ip=185.128.211.58 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=librecast.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gladserv.com Received: from [2a0c:e303:0:7000:1adb:f2ff:fe4f:84eb] (port=45862 helo=localhost) by bregans-1.gladserv.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (envelope-from ) id 1uTH9E-007CGr-0o; Sun, 22 Jun 2025 09:38:00 +0000 Date: Sun, 22 Jun 2025 11:37:53 +0200 From: Brett Sheffield To: Greg KH Cc: Willem de Bruijn , stable@vger.kernel.org, regressions@lists.linux.dev Subject: Re: 6.12.y longterm regression - IPv6 UDP packet fragmentation Message-ID: References: <2025061745-calamari-voyage-d27a@gregkh> <2025062212-erasable-riches-d3eb@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2025062212-erasable-riches-d3eb@gregkh> Organisation: Gladserv Limited. Registered in Scotland with company number SC318051. Registered Office 272 Bath Street, Glasgow, G2 4JR, Scotland. VAT Registration Number 902 6097 39. On 2025-06-22 11:10, Greg KH wrote: > On Tue, Jun 17, 2025 at 02:25:02PM -0400, Willem de Bruijn wrote: > > FWIW, I did not originally intend for these changes to make it to stable. > > > > The simplest short term solution is to revert this patch out of the > > stable trees. But long term that may give more conflicts as later > > patches need to be backported? Not sure what is wiser in such cases. > > For now, I've applied the above 2 to the 6.12.y tree. They do not apply > any older. If I should drop the change from the older stable trees, > please let me know. Thanks Greg. For the older stable trees I agree with Willem that reverting the patch is the simplest fix. As it stands UDP is broken in the older stable trees, so if this can make it into the next stable release that would be a good thing. Cheers, Brett -- Brett Sheffield (he/him) Librecast - Decentralising the Internet with Multicast https://librecast.net/ https://blog.brettsheffield.com/