[RT #46973]

(cherry picked from commit 0ce212b9)

(cherry picked from commit 21f708c8)

(cherry picked from commit a0e66ef6)

4859.	[bug]		A loop was possible when attempting to validate
			unsigned CNAME responses from secure zones;
			this caused a delay in returning SERVFAIL and
			also increased the chances of encountering
			CVE-2017-3145. [RT #46839]

4858.	[security]	Addresses could be referenced after being freed
			in resolver.c, causing an assertion failure.
			(CVE-2017-3145) [RT #46839]

                        event->node, event->rdataset and event->sigrdataset
                        in query.c. [RT #46891]

                        for a inline slave zone. [RT #46875]

(cherry picked from commit 0b27aa07)

(cherry picked from commit 7258b852)

(cherry picked from commit 46741274)

                        Add REQUIRE's and INSIST's to isc_time_formattimestamp,
                        isc_time_formathttptimestamp, isc_time_formatISO8601,
                        isc_time_formatISO8601ms. [RT #46892]

                        tests. [RT #46853]

(cherry picked from commit ccb56780)

(cherry picked from commit fa0caa1f)

                        lmdb database. [RT #46889]

(cherry picked from commit 9bec7fac)

(cherry picked from commit f5d429e7)

(cherry picked from commit f933be6d)

(cherry picked from commit 9f61f6b4)

(cherry picked from commit 2cc7c4d6)

                        addzone failed. [RT #46435]

(cherry picked from commit 2d7f89b9)
(cherry picked from commit 22a32060)