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-rw-r--r--pkg/tcpip/transport/tcp/accept.go2
-rw-r--r--pkg/tcpip/transport/tcp/tcp_test.go3
2 files changed, 5 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/accept.go b/pkg/tcpip/transport/tcp/accept.go
index 0e8e0a2b4..f24b51b91 100644
--- a/pkg/tcpip/transport/tcp/accept.go
+++ b/pkg/tcpip/transport/tcp/accept.go
@@ -300,6 +300,7 @@ func (l *listenContext) createEndpointAndPerformHandshake(s *segment, opts *head
ep.mu.Lock()
ep.stack.Stats().TCP.CurrentEstablished.Increment()
ep.state = StateEstablished
+ ep.isConnectNotified = true
ep.mu.Unlock()
// Update the receive window scaling. We can't do it before the
@@ -539,6 +540,7 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) {
// Switch state to connected.
n.stack.Stats().TCP.CurrentEstablished.Increment()
n.state = StateEstablished
+ n.isConnectNotified = true
// Do the delivery in a separate goroutine so
// that we don't block the listen loop in case
diff --git a/pkg/tcpip/transport/tcp/tcp_test.go b/pkg/tcpip/transport/tcp/tcp_test.go
index 0c1704d74..84579ce52 100644
--- a/pkg/tcpip/transport/tcp/tcp_test.go
+++ b/pkg/tcpip/transport/tcp/tcp_test.go
@@ -4599,6 +4599,9 @@ func TestEndpointBindListenAcceptState(t *testing.T) {
if got, want := tcp.EndpointState(aep.State()), tcp.StateEstablished; got != want {
t.Errorf("Unexpected endpoint state: want %v, got %v", want, got)
}
+ if err := aep.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}); err != tcpip.ErrAlreadyConnected {
+ t.Errorf("Unexpected error attempting to call connect on an established endpoint, got: %v, want: %v", err, tcpip.ErrAlreadyConnected)
+ }
// Listening endpoint remains in listen state.
if got, want := tcp.EndpointState(ep.State()), tcp.StateListen; got != want {
t.Errorf("Unexpected endpoint state: want %v, got %v", want, got)