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authorgVisor bot <gvisor-bot@google.com>2020-10-16 20:57:20 +0000
committergVisor bot <gvisor-bot@google.com>2020-10-16 20:57:20 +0000
commit55f093bcb38f4dea8ca1160e95ccdb77e6bc8093 (patch)
tree10dab54a3043ff7775827fa082a44ef8294873dc /pkg/tcpip/stack/nic.go
parentddb32dc40f079b72bebd78733b5e0808f3ceb4d7 (diff)
parentdffa4c66909f034429e933f204cd49655c3e224f (diff)
Merge release-20201005.0-95-gdffa4c669 (automated)
Diffstat (limited to 'pkg/tcpip/stack/nic.go')
-rw-r--r--pkg/tcpip/stack/nic.go5
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go
index 8828cc5fe..dcd4319bf 100644
--- a/pkg/tcpip/stack/nic.go
+++ b/pkg/tcpip/stack/nic.go
@@ -23,7 +23,6 @@ import (
"gvisor.dev/gvisor/pkg/sleep"
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
)
@@ -686,7 +685,9 @@ func (n *NIC) DeliverNetworkPacket(remote, local tcpip.LinkAddress, protocol tcp
// packet to forward.
fwdPkt := NewPacketBuffer(PacketBufferOptions{
ReserveHeaderBytes: int(n.LinkEndpoint.MaxHeaderLength()),
- Data: buffer.NewVectorisedView(pkt.Size(), pkt.Views()),
+ // We need to do a deep copy of the IP packet because WritePacket (and
+ // friends) take ownership of the packet buffer, but we do not own it.
+ Data: PayloadSince(pkt.NetworkHeader()).ToVectorisedView(),
})
// TODO(b/143425874) Decrease the TTL field in forwarded packets.