Björn, once you're happy enough I hope you send a proper patch to the list?

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** [bugs:#1315] curl-7.34.0: hangs after hitting IPv6 address with no IPv6 available**
**Status:** open-confirmed
**Created:** Tue Dec 24, 2013 04:00 PM UTC by Anthony G. Basile
**Last Updated:** Fri Dec 27, 2013 03:54 PM UTC
**Owner:** Bjorn Stenberg
This was hit on a gentoo system and the downstream report can be seen at

   https://bugs.gentoo.org/show_bug.cgi?id=495170


In brief, if curl 7.34.0 tries an ipv6 address when one isn't available, it falls into a loop and eats 100% cpu.  This issue is not reproduceable on 7.33.0.

Here we used c-ares-1.9.1, libidn-1.28, openssl-1.0.1e and zlib-1.2.8.
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