If GetConfigForClient returns a tls.Config that has
SessionTicketsDisabled set, the TLS server handshake currently leaves
the Config's internal RWMutex read locked after calculating the
ticketKeys to use for the handshake.
Change-Id: I07e450a0d2edda9e80f51fc2c20af633aa271684
GitHub-Last-Rev: 693d7acf95
GitHub-Pull-Request: golang/go#68607
Reviewed-on: https://go-review.googlesource.com/c/go/+/601335
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Roland Shoemaker <roland@golang.org>
b1ec5ad00a