linux-kernel - [PATCH net 0/6] selftests: mptcp: join: fix some flaky tests

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Message-Id: <20251110-net-mptcp-sft-join-unstable-v1-0-a4332c714e10@kernel.org>
Date: Mon, 10 Nov 2025 19:23:39 +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>
Cc: netdev@...r.kernel.org, mptcp@...ts.linux.dev, 
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, stable@...r.kernel.org
Subject: [PATCH net 0/6] selftests: mptcp: join: fix some flaky tests

When looking at the recent CI results on NIPA and MPTCP CIs, a few MPTCP
Join tests are marked as unstable. Here are some fixes for that.

- Patch 1: a small fix for mptcp_connect.sh, printing a note as
  initially intended. For >=v5.13.

- Patch 2: avoid unexpected reset when closing subflows. For >= 5.13.

- Patches 3-4: longer transfer when not waiting for the end. For >=5.18.

- Patch 5: read all received data when expecting a reset. For >= v6.1.

- Patch 6: a fix to properly kill background tasks. For >= v6.5.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
Matthieu Baerts (NGI0) (6):
      selftests: mptcp: connect: fix fallback note due to OoO
      selftests: mptcp: join: rm: set backup flag
      selftests: mptcp: join: endpoints: longer transfer
      selftests: mptcp: join: userspace: longer transfer
      selftests: mptcp: connect: trunc: read all recv data
      selftests: mptcp: join: properly kill background tasks

 tools/testing/selftests/net/mptcp/mptcp_connect.c  | 18 +++--
 tools/testing/selftests/net/mptcp/mptcp_connect.sh |  2 +-
 tools/testing/selftests/net/mptcp/mptcp_join.sh    | 90 +++++++++++-----------
 tools/testing/selftests/net/mptcp/mptcp_lib.sh     | 21 +++++
 4 files changed, 80 insertions(+), 51 deletions(-)
---
base-commit: 96a9178a29a6b84bb632ebeb4e84cf61191c73d5
change-id: 20251108-net-mptcp-sft-join-unstable-5a28cdb6ea54

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