issue24156

repro.py

import socket, threading

host = "127.0.0.2"
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)

remote, peer = None, None

server.bind((host, 0))

server_addr = server.getsockname()
print(server_addr)

def serve():
    global remote, peer
    server.listen(0)
    # Block on the accept and wait on the connection to close.
    # evt.set()
    remote, peer = server.accept()
    remote.recv(1)

t = threading.Thread(target=serve)
t.start()


client = socket.socket(proto=socket.IPPROTO_TCP)
client.bind(("127.0.0.1", 0))
client.connect(server_addr)

client_addr = client.getsockname()
print(client_addr)
client.close()

print(peer, client_addr)