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Subject: Patch "mptcp: pm: only set request_bkup flag when sending MP_PRIO"
has been added to the 5.15-stable tree
To:
gregkh@linuxfoundation.org,martineau@kernel.org,matttbe@kernel.org,mptcp@lists.linux.dev,pabeni@redhat.com
Cc: <stable-commits@vger.kernel.org>
From: <gregkh@linuxfoundation.org>
Date: Mon, 12 Aug 2024 14:38:29 +0200
In-Reply-To: <20240809090845.2700989-2-matttbe@kernel.org>
Message-ID: <2024081228-gutter-unengaged-de8e@gregkh>
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This is a note to let you know that I've just added the patch titled
mptcp: pm: only set request_bkup flag when sending MP_PRIO
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=3Dlinux/kernel/git/stable/stable-queue.git=
;a=3Dsummary
The filename of the patch is:
mptcp-pm-only-set-request_bkup-flag-when-sending-mp_prio.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
From stable+bounces-66132-greg=3Dkroah.com@vger.kernel.org Fri Aug 9 11:09=
:00 2024
From: "Matthieu Baerts (NGI0)" <matttbe@kernel.org>
Date: Fri, 9 Aug 2024 11:08:46 +0200
Subject: mptcp: pm: only set request_bkup flag when sending MP_PRIO
To: stable@vger.kernel.org, gregkh@linuxfoundation.org
Cc: MPTCP Upstream <mptcp@lists.linux.dev>, "Matthieu Baerts (NGI0)" <mattt=
be@kernel.org>, Mat Martineau <martineau@kernel.org>, Paolo Abeni <pabeni@r=
edhat.com>
Message-ID: <20240809090845.2700989-2-matttbe@kernel.org>
From: "Matthieu Baerts (NGI0)" <matttbe@kernel.org>
commit 4258b94831bb7ff28ab80e3c8d94db37db930728 upstream.
The 'backup' flag from mptcp_subflow_context structure is supposed to be
set only when the other peer flagged a subflow as backup, not the
opposite.
Fixes: 067065422fcd ("mptcp: add the outgoing MP_PRIO support")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
[ Conflicts in pm_netlink.c, because the commit f5360e9b314c ("mptcp:
introduce and use mptcp_pm_send_ack()") is not in this version. This
code is in mptcp_pm_nl_mp_prio_send_ack() instead of in a dedicated
helper. The same modification can be applied there. ]
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/mptcp/pm_netlink.c | 1 -
1 file changed, 1 deletion(-)
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -699,7 +699,6 @@ int mptcp_pm_nl_mp_prio_send_ack(struct
=20
if (subflow->backup !=3D bkup)
msk->last_snd =3D NULL;
- subflow->backup =3D bkup;
subflow->send_mp_prio =3D 1;
subflow->request_bkup =3D bkup;
__MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_MPPRIOTX);
Patches currently in stable-queue which might be from kroah.com@vger.kernel=
.org are
queue-5.15/mptcp-fix-nl-pm-announced-address-accounting.patch
queue-5.15/mptcp-distinguish-rcv-vs-sent-backup-flag-in-requests.patch
queue-5.15/mptcp-pm-fix-backup-support-in-signal-endpoints.patch
queue-5.15/mptcp-mib-count-mpj-with-backup-flag.patch
queue-5.15/selftests-mptcp-join-validate-backup-in-mpj.patch
queue-5.15/mptcp-export-local_address.patch
queue-5.15/mptcp-pm-only-set-request_bkup-flag-when-sending-mp_prio.patch
queue-5.15/mptcp-fix-bad-rcvpruned-mib-accounting.patch