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-rw-r--r--pkg/sentry/socket/netstack/netstack.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go
index 60df51dae..e1e0c5931 100644
--- a/pkg/sentry/socket/netstack/netstack.go
+++ b/pkg/sentry/socket/netstack/netstack.go
@@ -33,6 +33,7 @@ import (
"syscall"
"time"
+ "golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/amutex"
"gvisor.dev/gvisor/pkg/binary"
@@ -719,6 +720,14 @@ func (s *socketOpsCommon) Connect(t *kernel.Task, sockaddr []byte, blocking bool
defer s.EventUnregister(&e)
if err := s.Endpoint.Connect(addr); err != tcpip.ErrConnectStarted && err != tcpip.ErrAlreadyConnecting {
+ if (s.family == unix.AF_INET || s.family == unix.AF_INET6) && s.skType == linux.SOCK_STREAM {
+ // TCP unlike UDP returns EADDRNOTAVAIL when it can't
+ // find an available local ephemeral port.
+ if err == tcpip.ErrNoPortAvailable {
+ return syserr.ErrAddressNotAvailable
+ }
+ }
+
return syserr.TranslateNetstackError(err)
}