On Wed, 20 May 2015, Sean Boudreau wrote:

> I'm not sure exactly how it got in this state (I don't have all the source
> and could only debug once it was in the loop); however, I could reproduce
> the same loop with curl configured with c-ares, setting
> CURLOPT_HTTPPROXYTUNNEL and CURLOPT_PROXY to a socks5 proxy.

Right, and that's a combination we really should not allow. It is a bug.
CURLOPT_HTTPPROXYTUNNEL implies a HTTP proxy, and socks5 means no
HTTPTUNNEL...

-- 
  / daniel.haxx.se
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