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-rw-r--r--pkg/tcpip/network/ipv4/icmp.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/tcpip/network/ipv4/icmp.go b/pkg/tcpip/network/ipv4/icmp.go
index fbef6947d..497164cbb 100644
--- a/pkg/tcpip/network/ipv4/icmp.go
+++ b/pkg/tcpip/network/ipv4/icmp.go
@@ -94,6 +94,7 @@ func (e *endpoint) handleICMP(r *stack.Route, netHeader buffer.View, vv buffer.V
pkt := header.ICMPv4(hdr.Prepend(header.ICMPv4MinimumSize))
copy(pkt, h)
pkt.SetType(header.ICMPv4EchoReply)
+ pkt.SetChecksum(0)
pkt.SetChecksum(^header.Checksum(pkt, header.ChecksumVV(vv, 0)))
sent := stats.ICMP.V4PacketsSent
if err := r.WritePacket(nil /* gso */, hdr, vv, header.ICMPv4ProtocolNumber, r.DefaultTTL()); err != nil {