linux-kernel - Re: [PATCH 5.16 138/200] mptcp: keep track of local endpoint still available for each msk

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Date:   Tue, 1 Feb 2022 15:30:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Paolo Abeni <pabeni@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>,
        Matthieu Baerts <matthieu.baerts@...sares.net>
Subject: Re: [PATCH 5.16 138/200] mptcp: keep track of local endpoint still
 available for each msk

On Mon, Jan 31, 2022 at 11:36:32AM -0800, Mat Martineau wrote:
> On Mon, 31 Jan 2022, Greg Kroah-Hartman wrote:
> 
> > From: Paolo Abeni <pabeni@...hat.com>
> > 
> > [ Upstream commit 86e39e04482b0aadf3ee3ed5fcf2d63816559d36 ]
> 
> Hi Greg -
> 
> Please drop this from the stable queue for both 5.16 and 5.15. It wasn't
> intended for backporting and we haven't checked for dependencies with other
> changes in this part of MPTCP subsystem.
> 
> In the mptcp tree we make sure to add Fixes: tags on every patch we think is
> eligible for the -stable tree. I know you're sifting through a lot of
> patches from subsystems that end up with important fixes arriving from the
> "-next" branches, and it seems like the scripts scooped up several MPTCP
> patches this time around that don't meet the -stable rules.

I think these were needed due to 8e9eacad7ec7 ("mptcp: fix msk traversal
in mptcp_nl_cmd_set_flags()") which you did tag with a "Fixes:" tag,
right?  Without these other commits, that one does not apply and it
looks like it should go into 5.15.y and 5.16.y.

Note, just putting a "Fixes:" tag does not guarantee if a commit will go
into a stable tree.  Please use the correct "Cc: stable@...r.kernel.org"
tag as the documentation asks for.

I'll go drop all of these mptcp patches, including 8e9eacad7ec7 ("mptcp:
fix msk traversal in mptcp_nl_cmd_set_flags()") for now.  If you want
them added back in, please let us know.

thanks,

greg k-h