2 files changed, 16 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index b572c39db..518f636f0 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -154,6 +154,9 @@ type endpoint struct {
 
 	// owner is used to get uid and gid of the packet.
 	owner tcpip.PacketOwner
+
+	// linger is used for SO_LINGER socket option.
+	linger tcpip.LingerOption
 }
 
 // +stateify savable
@@ -810,6 +813,11 @@ func (e *endpoint) SetSockOpt(opt tcpip.SettableSocketOption) *tcpip.Error {
 
 	case *tcpip.SocketDetachFilterOption:
 		return nil
+
+	case *tcpip.LingerOption:
+		e.mu.Lock()
+		e.linger = *v
+		e.mu.Unlock()
 	}
 	return nil
 }
@@ -966,6 +974,11 @@ func (e *endpoint) GetSockOpt(opt tcpip.GettableSocketOption) *tcpip.Error {
 		*o = tcpip.BindToDeviceOption(e.bindToDevice)
 		e.mu.RUnlock()
 
+	case *tcpip.LingerOption:
+		e.mu.RLock()
+		*o = e.linger
+		e.mu.RUnlock()
+
 	default:
 		return tcpip.ErrUnknownProtocolOption
 	}
diff --git a/pkg/tcpip/transport/udp/udp_state_autogen.go b/pkg/tcpip/transport/udp/udp_state_autogen.go
index 50fd0f186..ce3b1df48 100644
--- a/pkg/tcpip/transport/udp/udp_state_autogen.go
+++ b/pkg/tcpip/transport/udp/udp_state_autogen.go
@@ -85,6 +85,7 @@ func (x *endpoint) StateFields() []string {
 		"multicastMemberships",
 		"effectiveNetProtos",
 		"owner",
+		"linger",
 	}
 }
 
@@ -125,6 +126,7 @@ func (x *endpoint) StateSave(m state.Sink) {
 	m.Save(30, &x.multicastMemberships)
 	m.Save(31, &x.effectiveNetProtos)
 	m.Save(32, &x.owner)
+	m.Save(33, &x.linger)
 }
 
 func (x *endpoint) StateLoad(m state.Source) {
@@ -159,6 +161,7 @@ func (x *endpoint) StateLoad(m state.Source) {
 	m.Load(30, &x.multicastMemberships)
 	m.Load(31, &x.effectiveNetProtos)
 	m.Load(32, &x.owner)
+	m.Load(33, &x.linger)
 	m.LoadValue(5, new(int), func(y interface{}) { x.loadRcvBufSizeMax(y.(int)) })
 	m.LoadValue(22, new(string), func(y interface{}) { x.loadLastError(y.(string)) })
 	m.AfterLoad(x.afterLoad)