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-rw-r--r--pkg/tcpip/transport/tcp/snd.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/snd.go b/pkg/tcpip/transport/tcp/snd.go
index 18365a673..d751c7d8e 100644
--- a/pkg/tcpip/transport/tcp/snd.go
+++ b/pkg/tcpip/transport/tcp/snd.go
@@ -745,6 +745,7 @@ func (s *sender) handleRcvdSegment(seg *segment) {
if datalen > ackLeft {
seg.data.TrimFront(int(ackLeft))
+ seg.sequenceNumber.UpdateForward(ackLeft)
break
}