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37903a9056
The deadlock was:
* Conn.Close was called, which acquired c.mu
* Then this goroutine scheduled:
if firstDerp {
startGate = c.derpStarted
go func() {
dc.Connect(ctx)
close(c.derpStarted)
}()
}
* The getRegion hook for that derphttp.Client then ran, which also
tries to acquire c.mu.
This change makes that hook first see if we're already in a closing
state and then it can pretend that region doesn't exist.
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|---|---|---|
| .. | ||
| filter | ||
| magicsock | ||
| monitor | ||
| packet | ||
| router | ||
| tsdns | ||
| tstun | ||
| winnet | ||
| rusage_nowindows.go | ||
| rusage_windows.go | ||
| rusage.go | ||
| userspace.go | ||
| watchdog_test.go | ||
| watchdog.go | ||
| wgengine.go | ||