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authorgVisor bot <gvisor-bot@google.com>2019-07-19 16:37:30 +0000
committergVisor bot <gvisor-bot@google.com>2019-07-19 16:37:30 +0000
commite414d16578daf4fd6b98f4631131f1052cb99d5c (patch)
tree45db1702fff94c703d0dc8d074ca07f58912f9fd /pkg/tcpip
parent881e2e983db5d5443cf94ef90655e7f698e8961c (diff)
parent0e040ba6e87f5fdcb23854909aad39aa1883925f (diff)
Merge 0e040ba6 (automated)
Diffstat (limited to 'pkg/tcpip')
-rw-r--r--pkg/tcpip/transport/udp/endpoint.go5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index 70f4a2b8c..91f89a781 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -252,7 +252,7 @@ func (e *endpoint) connectRoute(nicid tcpip.NICID, addr tcpip.FullAddress) (stac
if nicid == 0 {
nicid = e.multicastNICID
}
- if localAddr == "" {
+ if localAddr == "" && nicid == 0 {
localAddr = e.multicastAddr
}
}
@@ -675,6 +675,9 @@ func sendUDP(r *stack.Route, data buffer.VectorisedView, localPort, remotePort u
func (e *endpoint) checkV4Mapped(addr *tcpip.FullAddress, allowMismatch bool) (tcpip.NetworkProtocolNumber, *tcpip.Error) {
netProto := e.netProto
+ if len(addr.Addr) == 0 {
+ return netProto, nil
+ }
if header.IsV4MappedAddress(addr.Addr) {
// Fail if using a v4 mapped address on a v6only endpoint.
if e.v6only {