linux-kernel - [PATCH net 0/4] mptcp: misc fixes for v6.19-rc1

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Message-Id: <20251205-net-mptcp-misc-fixes-6-19-rc1-v1-0-9e4781a6c1b8@kernel.org>
Date: Fri, 05 Dec 2025 19:55:13 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: Mat Martineau <martineau@...nel.org>, Geliang Tang <geliang@...nel.org>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Simon Horman <horms@...nel.org>, Shuah Khan <shuah@...nel.org>, 
 Kuniyuki Iwashima <kuniyu@...gle.com>, Dmytro Shytyi <dmytro@...tyi.net>
Cc: netdev@...r.kernel.org, mptcp@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, stable@...r.kernel.org
Subject: [PATCH net 0/4] mptcp: misc fixes for v6.19-rc1

Here are various unrelated fixes:

- Patches 1-2: ignore unknown in-kernel PM endpoint flags instead of
  pretending they are supported. A fix for v5.7.

- Patch 3: avoid potential unnecessary rtx timer expiration. A fix for
  v5.15.

- Patch 4: avoid a deadlock on fallback in case of SKB creation failure
  while re-injecting.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
Matthieu Baerts (NGI0) (2):
      mptcp: pm: ignore unknown endpoint flags
      selftests: mptcp: pm: ensure unknown flags are ignored

Paolo Abeni (2):
      mptcp: schedule rtx timer only after pushing data
      mptcp: avoid deadlock on fallback while reinjecting

 include/uapi/linux/mptcp.h                      |  1 +
 net/mptcp/pm_netlink.c                          |  3 ++-
 net/mptcp/protocol.c                            | 22 ++++++++++++++--------
 tools/testing/selftests/net/mptcp/pm_netlink.sh |  4 ++++
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c   | 11 +++++++++++
 5 files changed, 32 insertions(+), 9 deletions(-)
---
base-commit: 0373d5c387f24de749cc22e694a14b3a7c7eb515
change-id: 20251205-net-mptcp-misc-fixes-6-19-rc1-5174bd3df981

Best regards,
-- 
Matthieu Baerts (NGI0) <matttbe@...nel.org>