From 383d2426cba991c71ffa27b3e87ba7d22d4cd789 Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Fri, 28 May 2021 21:02:10 +0200
Subject: [PATCH] tcp rtte: fix "attempt to multiply with overflow". Fixes #468

---
 src/socket/tcp.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/socket/tcp.rs b/src/socket/tcp.rs
index 987916f..eb623e0 100644
--- a/src/socket/tcp.rs
+++ b/src/socket/tcp.rs
@@ -140,7 +140,7 @@ impl RttEstimator {
             // all packets sent would incur a retransmit. To avoid this, force an estimate
             // increase if we see 3 consecutive retransmissions without any successful sample.
             self.rto_count = 0;
-            self.rtt *= 2;
+            self.rtt = RTTE_MAX_RTO.min(self.rtt*2);
             let rto = self.retransmission_timeout().millis();
             net_trace!("rtte: too many retransmissions, increasing: rtt={:?} dev={:?} rto={:?}", self.rtt, self.deviation, rto);
         }