WARNING: DATA RACE
Write at 0x00c000d7eea0 by goroutine 1261:
  gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).SetSockOpt()
      pkg/tcpip/transport/tcp/endpoint.go:1504 +0x34e
  gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptTCP()
      pkg/sentry/socket/netstack/netstack.go:1739 +0x35d
  gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt()
      pkg/sentry/socket/netstack/netstack.go:1542 +0x30f
  gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketOperations).SetSockOpt()
      pkg/sentry/socket/netstack/netstack.go:1531 +0x6a0
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt()
      pkg/sentry/syscalls/linux/sys_socket.go:541 +0x2fd
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:170 +0x44d
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:291 +0xb4
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:252 +0x109
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:227 +0x1b3
  gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:258 +0x16a4
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:92 +0x320

Previous read at 0x00c000d7eea0 by goroutine 1046:
  gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).initialReceiveWindow()
      pkg/tcpip/transport/tcp/endpoint.go:947 +0x77
  gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).protocolMainLoop()
      pkg/tcpip/transport/tcp/connect.go:1281 +0xf2f