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authorgVisor bot <gvisor-bot@google.com>2020-01-10 14:15:45 +0000
committergVisor bot <gvisor-bot@google.com>2020-01-10 14:15:45 +0000
commit3f0461acf7cf2da9677c9208da2a2731dc72758e (patch)
tree805ade0dc6c9551c9280a686c3ff45ed07d12985 /pkg
parentd09b1da02d67a8a51f1b41e0a8e9026218ffa20a (diff)
parentdacd349d6fb4fc7453b1fbf694158fd25496ed42 (diff)
Merge release-20191213.0-97-gdacd349 (automated)
Diffstat (limited to 'pkg')
-rw-r--r--pkg/tcpip/transport/tcp/snd.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/snd.go b/pkg/tcpip/transport/tcp/snd.go
index 79f2d274b..fdff7ed81 100644
--- a/pkg/tcpip/transport/tcp/snd.go
+++ b/pkg/tcpip/transport/tcp/snd.go
@@ -442,6 +442,13 @@ func (s *sender) retransmitTimerExpired() bool {
return true
}
+ // TODO(b/147297758): Band-aid fix, retransmitTimer can fire in some edge cases
+ // when writeList is empty. Remove this once we have a proper fix for this
+ // issue.
+ if s.writeList.Front() == nil {
+ return true
+ }
+
s.ep.stack.Stats().TCP.Timeouts.Increment()
s.ep.stats.SendErrors.Timeouts.Increment()