diff options
| author | Dean Deng <deandeng@google.com> | 2020-11-03 10:01:13 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-11-03 10:03:30 -0800 |
| commit | 66d24bb69228ef264de51c8306785780874ebdc3 (patch) | |
| tree | 8eb16935e35dd90874b45d5df7dd0b33dd771910 | |
| parent | 0e96f8065e7dc24aa5bc0a8cb14380c58ed6af13 (diff) | |
Release mutex before blocking during TCP handshake route resolution.
Without releasing the mutex, operations on the endpoint following a
nonblocking connect will not make progress until connect is complete.
PiperOrigin-RevId: 340467654
| -rw-r--r-- | pkg/tcpip/transport/tcp/connect.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/connect.go b/pkg/tcpip/transport/tcp/connect.go index fe4bc56f5..f5f7be195 100644 --- a/pkg/tcpip/transport/tcp/connect.go +++ b/pkg/tcpip/transport/tcp/connect.go @@ -496,7 +496,9 @@ func (h *handshake) resolveRoute() *tcpip.Error { } // Wait for notification. + h.ep.mu.Unlock() index, _ = s.Fetch(true /* block */) + h.ep.mu.Lock() } } |