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authorgVisor bot <gvisor-bot@google.com>2020-04-21 14:21:23 +0000
committergVisor bot <gvisor-bot@google.com>2020-04-21 14:21:23 +0000
commit80adf98cbdd5306410c005fc5ea1fe994cefb793 (patch)
tree6072591d14247853d92d3f0eeb72e7dfc960fd5f /pkg/tcpip/transport/icmp
parent3e147501a7ad79a1eeee7530acbd74081cd5a8a3 (diff)
parent120d3b50f4875824ec69f0cc39a09ac84fced35c (diff)
Merge release-20200323.0-199-g120d3b5 (automated)
Diffstat (limited to 'pkg/tcpip/transport/icmp')
-rw-r--r--pkg/tcpip/transport/icmp/endpoint.go8
1 files changed, 4 insertions, 4 deletions
diff --git a/pkg/tcpip/transport/icmp/endpoint.go b/pkg/tcpip/transport/icmp/endpoint.go
index b1d820372..feef8dca0 100644
--- a/pkg/tcpip/transport/icmp/endpoint.go
+++ b/pkg/tcpip/transport/icmp/endpoint.go
@@ -747,15 +747,15 @@ func (e *endpoint) HandlePacket(r *stack.Route, id stack.TransportEndpointID, pk
// Only accept echo replies.
switch e.NetProto {
case header.IPv4ProtocolNumber:
- h, ok := pkt.Data.PullUp(header.ICMPv4MinimumSize)
- if !ok || header.ICMPv4(h).Type() != header.ICMPv4EchoReply {
+ h := header.ICMPv4(pkt.Data.First())
+ if h.Type() != header.ICMPv4EchoReply {
e.stack.Stats().DroppedPackets.Increment()
e.stats.ReceiveErrors.MalformedPacketsReceived.Increment()
return
}
case header.IPv6ProtocolNumber:
- h, ok := pkt.Data.PullUp(header.ICMPv6MinimumSize)
- if !ok || header.ICMPv6(h).Type() != header.ICMPv6EchoReply {
+ h := header.ICMPv6(pkt.Data.First())
+ if h.Type() != header.ICMPv6EchoReply {
e.stack.Stats().DroppedPackets.Increment()
e.stats.ReceiveErrors.MalformedPacketsReceived.Increment()
return