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authorgVisor bot <gvisor-bot@google.com>2020-04-27 12:25:10 -0700
committergVisor bot <gvisor-bot@google.com>2020-04-27 12:26:32 -0700
commit55f0c3316af8ea2a1fcc16511efc580f307623f6 (patch)
tree61a0a140fe4d43280fc04e4b50cfb7ade056912a /pkg/tcpip/transport/icmp
parent292f3f99b73fb901ffdd3ad8ac682718e1e8960a (diff)
Automated rollback of changelist 308163542
PiperOrigin-RevId: 308674219
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