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Diffstat (limited to 'pkg/tcpip/transport/tcp/endpoint.go')
-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 9c9f1ab87..801cf8e0e 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -422,7 +422,10 @@ type endpoint struct {
// mu protects all endpoint fields unless documented otherwise. mu must
// be acquired before interacting with the endpoint fields.
- mu sync.Mutex `state:"nosave"`
+ //
+ // During handshake, mu is locked by the protocol listen goroutine and
+ // released by the handshake completion goroutine.
+ mu sync.CrossGoroutineMutex `state:"nosave"`
ownedByUser uint32
// state must be read/set using the EndpointState()/setEndpointState()