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c01cfc4886
Inside migrate_dance(), add epoll checks around shutdown() to verify that the target listener is not ready before shutdown() and becomes ready immediately after shutdown() triggers migration. Cover TCP_ESTABLISHED and TCP_SYN_RECV. Exclude TCP_NEW_SYN_RECV as it depends on later handshake completion. Suggested-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Signed-off-by: Zhenzhong Wu <jt26wzz@gmail.com> Link: https://patch.msgid.link/20260422024554.130346-3-jt26wzz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>