diff options
| author | Ian Gudger <igudger@google.com> | 2020-02-04 15:20:30 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-02-04 15:54:49 -0800 |
| commit | a26a954946ad2e7910d3ad7578960a93b73a1f9b (patch) | |
| tree | f87bd8ac57807d09cb0d2d861c09966bcb202820 /pkg | |
| parent | 3f5642c5afdb8e633287ba10c2cb6b00f1849570 (diff) | |
Add socket connection stress test.
Tests 65k connection attempts on common types of sockets to check for port
leaks.
Also fixes a bug where dual-stack sockets wouldn't properly re-queue
segments received while closing.
PiperOrigin-RevId: 293241166
Diffstat (limited to 'pkg')
| -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() |