fix ifState.IPv6LinkLocal.IPNet check crashing with a nil value

hedibouattour · sknat · commit ea03352507b1 · 2026-02-19T14:59:57.000+01:00
diff --git a/vpp-manager/vpp_runner.go b/vpp-manager/vpp_runner.go
@@ -157,7 +157,7 @@ func (v *VppRunner) configurePunt(tapSwIfIndex uint32, ifState config.LinuxInter
 			return errors.Wrapf(err, "error adding vpp side routes for interface")
 		}
 	}
-	if ifState.IPv6LinkLocal.IP != nil {
+	if ifState.IPv6LinkLocal.IPNet != nil {
 		err = v.vpp.RouteAdd(&types.Route{
 			Table: common.PuntTableID,
 			Dst:   common.FullyQualified(ifState.IPv6LinkLocal.IP),
@@ -642,7 +642,7 @@ func (v *VppRunner) configureVppUplinkInterface(
 		}
 	}
 
-	if ifState.IPv6LinkLocal.IP != nil {
+	if ifState.IPv6LinkLocal.IPNet != nil {
 		err = v.vpp.AddInterfaceAddress(ifSpec.SwIfIndex, common.FullyQualified(ifState.IPv6LinkLocal.IP))
 		if err != nil {
 			log.Errorf("Error adding address to uplink interface: %v", err)

Original file line number	Diff line number	Diff line change
`@@ -157,7 +157,7 @@ func (v *VppRunner) configurePunt(tapSwIfIndex uint32, ifState config.LinuxInter`
`157`	`157`	`return errors.Wrapf(err, "error adding vpp side routes for interface")`
`158`	`158`	`}`
`159`	`159`	`}`
`160`		`- if ifState.IPv6LinkLocal.IP != nil {`
	`160`	`+ if ifState.IPv6LinkLocal.IPNet != nil {`
`161`	`161`	`err = v.vpp.RouteAdd(&types.Route{`
`162`	`162`	`Table: common.PuntTableID,`
`163`	`163`	`Dst: common.FullyQualified(ifState.IPv6LinkLocal.IP),`
`@@ -642,7 +642,7 @@ func (v *VppRunner) configureVppUplinkInterface(`
`642`	`642`	`}`
`643`	`643`	`}`
`644`	`644`
`645`		`- if ifState.IPv6LinkLocal.IP != nil {`
	`645`	`+ if ifState.IPv6LinkLocal.IPNet != nil {`
`646`	`646`	`err = v.vpp.AddInterfaceAddress(ifSpec.SwIfIndex, common.FullyQualified(ifState.IPv6LinkLocal.IP))`
`647`	`647`	`if err != nil {`
`648`	`648`	`log.Errorf("Error adding address to uplink interface: %v", err)`