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-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index 40cc664c0..dc9c18b6f 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -2117,10 +2117,13 @@ func (e *endpoint) Shutdown(flags tcpip.ShutdownFlags) *tcpip.Error {
// Close for write.
if (e.shutdownFlags & tcpip.ShutdownWrite) != 0 {
e.sndBufMu.Lock()
-
if e.sndClosed {
// Already closed.
e.sndBufMu.Unlock()
+ if e.EndpointState() == StateTimeWait {
+ e.mu.Unlock()
+ return tcpip.ErrNotConnected
+ }
break
}