New stable release: HardenedBSD-stable 10-STABLE v42.2

HardenedBSD-10-STABLE-v42.2 - https://github.com/HardenedBSD/hardenedBSD-stable/releases/tag/HardenedB...
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Warning! This is a security update, contains the following FreeBSD SAs and ENs:
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:15.sysarch.asc
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc
https://www.freebsd.org/security/advisories/FreeBSD-EN-16:05.hv_netvsc.asc
https://www.freebsd.org/security/advisories/FreeBSD-EN-16:04.hyperv.asc

Oliver Pinter + (8):
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master
Merge branch 'freebsd/10-stable/master' into hardened/10-stable/master

bdrewery (2):
MFC r296524:
MFC r296525:

cy (1):
MFC r296299 - Remove redundant NULL pointer comparison.

davidcs (1):
MFC r296579 Fix code so that buf_ring allocation for Tx Queues and their mutexes is done during during bxe_attach() and freed during bxe_detach()

glebius (1):
Merge r296956:

ian (3):
MFC r296807:
Revert r296940, it contained unintended changes, and will be redone.
MFC r296807: (this time with 100% fewer unintended changes mixed in)...

kib (3):
MFC r296320: Adjust _callout_stop_safe() return value for the subr_sleepqueue.c needs when migrating callout was blocked, but running one was not.
MFC r296319: Fix handling of DT_TEXTREL for an object with more than one read-only segment.
MFC r296908: Force the desired alignment of the user save area.

ngie (4):
MFC r293621,r293622,r293815:
MFC r294973:
MFC r293821:
MFC r293878,r293880,r295116,r295117,r295477: