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    Subject[PATCH 5.13 035/223] selftests: mptcp: fix case multiple subflows limited by server
    Date
    From: Jianguo Wu <wujianguo@chinatelecom.cn>

    [ Upstream commit a7da441621c7945fbfd43ed239c93b8073cda502 ]

    After patch "mptcp: fix syncookie process if mptcp can not_accept new
    subflow", if subflow is limited, MP_JOIN SYN is dropped, and no SYN/ACK
    will be replied.

    So in case "multiple subflows limited by server", the expected SYN/ACK
    number should be 1.

    Fixes: 00587187ad30 ("selftests: mptcp: add test cases for mptcp join tests with syn cookies")
    Reported-by: kernel test robot <oliver.sang@intel.com>
    Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
    Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    tools/testing/selftests/net/mptcp/mptcp_join.sh | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
    index fd99485cf2a4..e8ac852c6ff6 100755
    --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
    +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
    @@ -1341,7 +1341,7 @@ syncookies_tests()
    ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
    ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
    run_tests $ns1 $ns2 10.0.1.1
    - chk_join_nr "subflows limited by server w cookies" 2 2 1
    + chk_join_nr "subflows limited by server w cookies" 2 1 1

    # test signal address with cookies
    reset_with_cookies
    --
    2.30.2


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