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-rw-r--r--pkg/tcpip/transport/udp/endpoint.go1
-rw-r--r--pkg/tcpip/transport/udp/endpoint_state.go6
2 files changed, 1 insertions, 6 deletions
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index ac7ecb5f8..4b6bdc3be 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -366,6 +366,7 @@ func (e *endpoint) prepareForWrite(p tcpip.Payloader, opts tcpip.WriteOptions) (
return udpPacketInfo{}, err
}
+ // TODO(https://gvisor.dev/issue/6538): Avoid this allocation.
v := make([]byte, p.Len())
if _, err := io.ReadFull(p, v); err != nil {
ctx.Release()
diff --git a/pkg/tcpip/transport/udp/endpoint_state.go b/pkg/tcpip/transport/udp/endpoint_state.go
index 20c45ab87..2ff8b0482 100644
--- a/pkg/tcpip/transport/udp/endpoint_state.go
+++ b/pkg/tcpip/transport/udp/endpoint_state.go
@@ -36,17 +36,11 @@ func (p *udpPacket) loadReceivedAt(nsec int64) {
// saveData saves udpPacket.data field.
func (p *udpPacket) saveData() buffer.VectorisedView {
- // We cannot save p.data directly as p.data.views may alias to p.views,
- // which is not allowed by state framework (in-struct pointer).
return p.data.Clone(nil)
}
// loadData loads udpPacket.data field.
func (p *udpPacket) loadData(data buffer.VectorisedView) {
- // NOTE: We cannot do the p.data = data.Clone(p.views[:]) optimization
- // here because data.views is not guaranteed to be loaded by now. Plus,
- // data.views will be allocated anyway so there really is little point
- // of utilizing p.views for data.views.
p.data = data
}