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 729D3366558; Fri, 15 May 2026 05:46:02 +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=1778823962; cv=none; b=Tk4+yvXU2GTaIjlwqhExnSTtNnP6agpEH5I0vDVoGsNQdiTJOqPkHMUN7B1nTV2aZkVBUubfHVSZW1utT91SeqGInBeQUgjtp8jAJ6ntmJ++8yZ+inM2wiQs1NeA4xGjh22ZadUKQj5fDX2YZWjtBI9VNYTJDSzLT6XKdteVeCQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778823962; c=relaxed/simple; bh=qMe4YWMTHuawxGHtHBohvLCOx0jFKEK/DQlpxsLfAwI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NmovnydZeJNiEjprKu15G0mAbcPHbfgwx2Lv/AOdLw2h5C8JHJz9IpT4a19MbjDEfcUrpN4ODylV07l5iwogLX9nzM+oKxWVGTqGx7Olh4aBZ+4VCMhzKSWS/zeerX8deVW2i7SP5BU30lPLBUZxfxyULrb04kuWu6uybB1Dir0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kpz+EzC/; 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="kpz+EzC/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BEC7EC2BCB0; Fri, 15 May 2026 05:46:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778823962; bh=qMe4YWMTHuawxGHtHBohvLCOx0jFKEK/DQlpxsLfAwI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kpz+EzC/WeasYkgJ2rsLTD/S7LkfmVxrtx7VtrPDa6OOWIuBeJ73XBxp96+G9b61Y Kok0TjRUlKlyblRoZSPsIgouCmyVul4bxaq0TprcdEUkwB0lQjd3jSnuIFdRJEPuhU HmQcyr/PPk/oGMkmfxw6LF5AwUMtAH25TFF4Igt8= Date: Fri, 15 May 2026 07:46:06 +0200 From: Greg KH To: Eric Biggers Cc: lukas@wunner.de, ignat@linux.win, jarkko@kernel.org, yimingqian591@gmail.com, stable@vger.kernel.org, linux-crypto@vger.kernel.org Subject: Re: FAILED: patch "[PATCH] lib/crypto: mpi: Fix integer underflow in" failed to apply to 6.1-stable tree Message-ID: <2026051550-stupor-gravy-b1b8@gregkh> References: <2026051223-undercoat-reps-6626@gregkh> <20260513025130.GA3110@sol> <2026051334-showgirl-hurdle-22eb@gregkh> <20260513170445.GA2128@quark> 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: <20260513170445.GA2128@quark> On Wed, May 13, 2026 at 10:04:45AM -0700, Eric Biggers wrote: > On Wed, May 13, 2026 at 12:34:38PM +0200, Greg KH wrote: > > On Tue, May 12, 2026 at 07:51:30PM -0700, Eric Biggers wrote: > > > [+Cc linux-crypto@vger.kernel.org] > > > > > > On Tue, May 12, 2026 at 04:01:23PM +0200, gregkh@linuxfoundation.org wrote: > > > > > > > > The patch below does not apply to the 6.1-stable tree. > > > > If someone wants it applied there, or to any other stable or longterm > > > > tree, then please email the backport, including the original git commit > > > > id to . > > > > > > > > To reproduce the conflict and resubmit, you may use the following commands: > > > > > > > > git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y > > > > git checkout FETCH_HEAD > > > > git cherry-pick -x 8c2f1288250a90a4b5cabed5d888d7e3aeed4035 > > > > # > > > > git commit -s > > > > git send-email --to '' --in-reply-to '2026051223-undercoat-reps-6626@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. > > > > > > > > Possible dependencies: > > > > > > A couple issues. First, this email wasn't sent to the subsystem's > > > mailing list (linux-crypto@vger.kernel.org in this case). That greatly > > > reduces the number of people who are made aware that this didn't get > > > automatically backported. > > > > We never send out these FAILED emails to the mailing lists, as that > > would make just even more noise. It's always been this way, sorry. > > Yes, this has been a problem for a long time, resulting in lots of > missed backports including the copy.fail ones. It's time for you to fix > your process. > > > > Second, the upstream commit cherry-picks to 6.1, 5.15, and 5.10 without > > > conflict. (The file being changed was renamed between 6.1 and 6.6, but > > > 'git cherry-pick' handles that automatically.) > > > > > > I don't know what you're doing exactly that caused it to be > > > unnecessarily marked as FAILED. But whatever it is, it's not working, > > > and it is causing backports to be missed. > > > > We don't use git for cherry-picking as we have a patch queue, so renames > > will often times fail, like it did here. This has always been the case > > in the decades we have been running the stable kernels :) > > Again, this has been a problem for a long time, and it's time for you to > fix your process. You can still have the patch queue; just use git for > the actual cherry-pick. Doesn't work well unless we turn the patch queue into a git tree at every step of the way :(