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Diffstat (limited to 'pkg/tcpip/stack/stack_test.go')
-rw-r--r--pkg/tcpip/stack/stack_test.go10
1 files changed, 6 insertions, 4 deletions
diff --git a/pkg/tcpip/stack/stack_test.go b/pkg/tcpip/stack/stack_test.go
index 3f4e08434..1a2cf007c 100644
--- a/pkg/tcpip/stack/stack_test.go
+++ b/pkg/tcpip/stack/stack_test.go
@@ -95,16 +95,18 @@ func (f *fakeNetworkEndpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffe
f.proto.packetCount[int(f.id.LocalAddress[0])%len(f.proto.packetCount)]++
// Consume the network header.
- b := pkt.Data.First()
+ b, ok := pkt.Data.PullUp(fakeNetHeaderLen)
+ if !ok {
+ return
+ }
pkt.Data.TrimFront(fakeNetHeaderLen)
// Handle control packets.
if b[2] == uint8(fakeControlProtocol) {
- nb := pkt.Data.First()
- if len(nb) < fakeNetHeaderLen {
+ nb, ok := pkt.Data.PullUp(fakeNetHeaderLen)
+ if !ok {
return
}
-
pkt.Data.TrimFront(fakeNetHeaderLen)
f.dispatcher.DeliverTransportControlPacket(tcpip.Address(nb[1:2]), tcpip.Address(nb[0:1]), fakeNetNumber, tcpip.TransportProtocolNumber(nb[2]), stack.ControlPortUnreachable, 0, pkt)
return