[PATCH net 0/5] mptcp: misc fixes for v7.2-rc5

"Matthieu Baerts (NGI0)" <[email protected]> Wed, 22 Jul 2026 00:14:37 +0200
Newsgroups dev.linux.lists.mptcp,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.netdev,org.kernel.vger.stable
Message-ID <20260722-net-mptcp-misc-fixes-7-2-rc5-v1-0-6fb595bc86ef@kernel.org>
Here are various unrelated fixes:

- Patch 1: decrement extra subflows counter in case of errors with
  passive MP_JOIN. A fix for v5.7.

- Patch 2: fix use-after-free in userspace_pm_get_local_id. A fix for
  v5.19.

- Patch 3: fix stale skb->sk reference on subflow close, in case of
  concurrent read operation. A fix for v6.19.

- Patch 4: wait on the correct port in the userspace_pm.sh selftest. A
  fix for v6.19.

- Patch 5: fix a BUILD_BUG_ON on legacy ARM config. A fix for v7.1.

Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
---
Chenguang Zhao (1):
      mptcp: decrement subflows counter on failed passive join

Geliang Tang (2):
      mptcp: pm: userspace: fix use-after-free in get_local_id
      selftests: mptcp: userspace_pm: fix undefined variable port

Kalpan Jani (1):
      mptcp: fix stale skb->sk reference on subflow close

Matthieu Baerts (NGI0) (1):
      mptcp: fix BUILD_BUG_ON on legacy ARM config

 net/mptcp/options.c                               |  5 +---
 net/mptcp/pm_userspace.c                          |  7 +++--
 net/mptcp/protocol.c                              | 34 +++++++++++++----------
 tools/testing/selftests/net/mptcp/userspace_pm.sh |  2 +-
 4 files changed, 27 insertions(+), 21 deletions(-)
---
base-commit: eaa39f9f8ac8c1d032cd26b9cd572804e9d7683f
change-id: 20260721-net-mptcp-misc-fixes-7-2-rc5-693149ea17dc

Best regards,
--  
Matthieu Baerts (NGI0) <[email protected]>