Merge release-20210601.0-20-g77930d0d5 (automated)

1 files changed, 4 insertions, 4 deletions

diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go
index 981be7275..12763add6 100644
--- a/pkg/tcpip/network/ipv6/ipv6.go
+++ b/pkg/tcpip/network/ipv6/ipv6.go
@@ -1627,8 +1627,8 @@ func (e *endpoint) NetworkProtocolNumber() tcpip.NetworkProtocolNumber {
 func (e *endpoint) AddAndAcquirePermanentAddress(addr tcpip.AddressWithPrefix, peb stack.PrimaryEndpointBehavior, configType stack.AddressConfigType, deprecated bool) (stack.AddressEndpoint, tcpip.Error) {
 	// TODO(b/169350103): add checks here after making sure we no longer receive
 	// an empty address.
-	e.mu.RLock()
-	defer e.mu.RUnlock()
+	e.mu.Lock()
+	defer e.mu.Unlock()
 	return e.addAndAcquirePermanentAddressLocked(addr, peb, configType, deprecated)
 }
 
@@ -1669,8 +1669,8 @@ func (e *endpoint) addAndAcquirePermanentAddressLocked(addr tcpip.AddressWithPre
 
 // RemovePermanentAddress implements stack.AddressableEndpoint.
 func (e *endpoint) RemovePermanentAddress(addr tcpip.Address) tcpip.Error {
-	e.mu.RLock()
-	defer e.mu.RUnlock()
+	e.mu.Lock()
+	defer e.mu.Unlock()
 
 	addressEndpoint := e.getAddressRLocked(addr)
 	if addressEndpoint == nil || !addressEndpoint.GetKind().IsPermanent() {