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de372d6914
The 2.86 domain matching rewrite failed to take into account the possibilty that server=/example.com/# could be combined with, for example address=/example.com/1.2.3.4 resulting in the struct server datastructure for the former getting passed to forward_query(), rapidly followed by a SEGV. This fix makes server=/example.com/# a fully fledged member of the priority list, which is now IPv6 addr, IPv4 addr, all zero return, resolvconf servers, upstream servers, no-data return Thanks to dl6er@dl6er.de for finding and characterising the bug.