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[ Upstream commit 0e4f35d ] The msk can close MP_JOIN subflows if the initial handshake fails. Currently such subflows are kept alive in the conn_list until the msk itself is closed. Beyond the wasted memory, we could end-up sending the DATA_FIN and the DATA_FIN ack on such socket, even after a reset. Fixes: 43b54c6 ("mptcp: Use full MPTCP-level disconnect state machine") Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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