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Date: Tue, 12 May 2026 19:51:30 -0700
From: Eric Biggers <ebiggers@kernel.org>
To: gregkh@linuxfoundation.org
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: <20260513025130.GA3110@sol>
References: <2026051223-undercoat-reps-6626@gregkh>
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In-Reply-To: <2026051223-undercoat-reps-6626@gregkh>

[+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 <stable@vger.kernel.org>.
> 
> 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
> # <resolve conflicts, build, test, etc.>
> git commit -s
> git send-email --to '<stable@vger.kernel.org>' --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.

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.

- Eric