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-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go5
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index a048cadf8..e82e25233 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -127,7 +127,7 @@ type endpoint struct {
// hardError is meaningful only when state is stateError, it stores the
// error to be returned when read/write syscalls are called and the
- // endpoint is in this state.
+ // endpoint is in this state. hardError is protected by mu.
hardError *tcpip.Error `state:".(string)"`
// workerRunning specifies if a worker goroutine is running.
@@ -447,9 +447,10 @@ func (e *endpoint) Read(*tcpip.FullAddress) (buffer.View, tcpip.ControlMessages,
bufUsed := e.rcvBufUsed
if s := e.state; s != stateConnected && s != stateClosed && bufUsed == 0 {
e.rcvListMu.Unlock()
+ he := e.hardError
e.mu.RUnlock()
if s == stateError {
- return buffer.View{}, tcpip.ControlMessages{}, e.hardError
+ return buffer.View{}, tcpip.ControlMessages{}, he
}
return buffer.View{}, tcpip.ControlMessages{}, tcpip.ErrInvalidEndpointState
}