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Fri, 25 Sep 2026 18:28:18 -0700 (PDT) From: Daniel Zahka Date: Fri, 25 Sep 2026 18:27:59 -0700 Subject: [PATCH net-next 4/4] selftests: drv-net: psp: test that assocs require an established socket Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260925-psp-defeat-v1-4-9f0b430107aa@gmail.com> References: <20260925-psp-defeat-v1-0-9f0b430107aa@gmail.com> In-Reply-To: <20260925-psp-defeat-v1-0-9f0b430107aa@gmail.com> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , Willem de Bruijn , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Kuniyuki Iwashima , Willem de Bruijn Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org X-Mailer: b4 0.13.0 Cover the three ways a PSP association could previously be installed on a socket with no connection behind it: an unconnected socket, a listener, and a socket whose connection has already started to go away. Signed-off-by: Daniel Zahka --- tools/testing/selftests/drivers/net/psp.py | 43 ++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/tools/testing/selftests/drivers/net/psp.py b/tools/testing/selftests/drivers/net/psp.py index 0a2329f41431..6b761c981c6b 100755 --- a/tools/testing/selftests/drivers/net/psp.py +++ b/tools/testing/selftests/drivers/net/psp.py @@ -319,6 +319,49 @@ def assoc_sk_only_unconn(cfg): ksft_eq(the_exception.nl_msg.error, -errno.EINVAL) +def assoc_rx_unconnected(cfg): + """ Test that an Rx assoc is rejected on an unconnected socket """ + _init_psp_dev(cfg) + + with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s: + with ksft_raises(NlError) as cm: + cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + ksft_eq(cm.exception.nl_msg.error, -errno.ENOTCONN) + ksft_eq(cm.exception.nl_msg.extack['bad-attr'], ".sock-fd") + + +def assoc_rx_listener(cfg): + """ Test that an Rx assoc is rejected on a listening socket """ + _init_psp_dev(cfg) + + with socket.create_server(("localhost", 0)) as s: + with ksft_raises(NlError) as cm: + cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + ksft_eq(cm.exception.nl_msg.error, -errno.ENOTCONN) + ksft_eq(cm.exception.nl_msg.extack['bad-attr'], ".sock-fd") + + +def assoc_tx_non_established(cfg): + """ Test that a Tx assoc is rejected in a post established state after shutdown """ + _init_psp_dev(cfg) + + with _make_lo_conn() as s: + assoc = cfg.pspnl.rx_assoc({"version": 0, + "dev-id": cfg.psp_dev_id, + "sock-fd": s.fileno()}) + s.shutdown(socket.SHUT_WR) + with ksft_raises(NlError) as cm: + cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id, + "version": 0, + "tx-key": assoc['rx-key'], + "sock-fd": s.fileno()}) + ksft_eq(cm.exception.nl_msg.error, -errno.ENOTCONN) + + def assoc_version_mismatch(cfg): """ Test creating associations where Rx and Tx PSP versions do not match """ _init_psp_dev(cfg) -- 2.52.0