diff options
Diffstat (limited to 'pkg/tcpip')
| -rw-r--r-- | pkg/tcpip/transport/tcp/connect.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/connect.go b/pkg/tcpip/transport/tcp/connect.go index 9ff7ac261..5c5397823 100644 --- a/pkg/tcpip/transport/tcp/connect.go +++ b/pkg/tcpip/transport/tcp/connect.go @@ -989,6 +989,10 @@ func (e *endpoint) transitionToStateCloseLocked() { // to any other listening endpoint. We reply with RST if we cannot find one. func (e *endpoint) tryDeliverSegmentFromClosedEndpoint(s *segment) { ep := e.stack.FindTransportEndpoint(e.NetProto, e.TransProto, e.ID, &s.route) + if ep == nil && e.NetProto == header.IPv6ProtocolNumber && e.EndpointInfo.TransportEndpointInfo.ID.LocalAddress.To4() != "" { + // Dual-stack socket, try IPv4. + ep = e.stack.FindTransportEndpoint(header.IPv4ProtocolNumber, e.TransProto, e.ID, &s.route) + } if ep == nil { replyWithReset(s) s.decRef() |