diff options
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/nic.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index 728292782..aff29f9cc 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -666,8 +666,19 @@ func (n *NIC) getRefOrCreateTemp(protocol tcpip.NetworkProtocolNumber, address t } // A usable reference was not found, create a temporary one if requested by - // the caller or if the address is found in the NIC's subnets. + // the caller or if the address is found in the NIC's subnets and the NIC is + // a loopback interface. createTempEP := spoofingOrPromiscuous + if !createTempEP && n.isLoopback() { + for _, r := range n.mu.endpoints { + addr := r.addrWithPrefix() + subnet := addr.Subnet() + if subnet.Contains(address) { + createTempEP = true + break + } + } + } n.mu.RUnlock() if !createTempEP { |