Merge psp-deb1.ntp.org:/home/stenn/ntp-stable-p7

into  psp-deb1.ntp.org:/home/stenn/ntp-stable-2831

bk: 57146f0bGHkzysYHj9kNhDCmkJL1BA

diff --cc ChangeLog
index ee25d22c3186ae9f844f9447179856f07fc0f9ff,6b2918084b4b9108fdf4384f2b50b4dd44e4ec81..259ebd3800edf1c95823b4e1783fa25ab58c43ec
--- 1/ChangeLog
--- 2/ChangeLog
+++ b/ChangeLog
@@@ -1,59 -1,9 +1,61 @@@
  ---
  
 +* [Sec 2901] KoD packets must have non-zero transmit timestamps.  HStenn.
 +* [Sec 2936] Skeleton Key: Any system knowing the trusted key can serve
 +  time. Include passive servers in this check. HStenn.
 +* [Sec 2945] Additional KoD packet checks.  HStenn.
 +* [Sec 2978] Interleave can be partially triggered.  HStenn.
 +* [Sec 3008] Always check the return value of ctl_getitem().
 +  - initial work by HStenn
 +  - Additional cleanup of ctl_getitem by perlinger@ntp.org
 +* [Sec 3020] Refclock impersonation.  HStenn.
+ * [Bug 2831]  Segmentation Fault in DNS lookup during startup. perlinger@ntp.org
+   - fixed yet another race condition in the threaded resolver code.
 +* [Bug 2858] bool support.  Use stdbool.h when available.  HStenn.
 +* [Bug 2879] Improve NTP security against timing attacks. perlinger@ntp.org
 +  - integrated patches by Loganaden Velvidron <logan@ntp.org>
 +    with some modifications & unit tests
 +* [Bug 2952] Symmetric active/passive mode is broken.  HStenn.
 +* [Bug 2960] async name resolution fixes for chroot() environments.
 +  Reinhard Max.
  * [Bug 2994] Systems with HAVE_SIGNALED_IO fail to compile. perlinger@ntp.org
  * [Bug 2995] Fixes to compile on Windows
 +* [Bug 2999] out-of-bounds access in 'is_safe_filename()'. perlinger@ntp.org
 +* [Bug 3007] Validate crypto-NAKs
 +* [Bug 3009] Crafted addpeer with hmode > 7 causes OOB error. perlinger@ntp.org
 +   - added more stringent checks on packet content
 +* [Bug 3010] remote configuration trustedkey/requestkey values
 +  are not properly validated. perlinger@ntp.org
 +  - sidekick: Ignore keys that have an unsupported MAC algorithm
 +    but are otherwise well-formed
 +* [Bug 3011] Duplicate IPs on unconfig directives will cause an assertion botch
 +  - graciously accept the same IP multiple times. perlinger@ntp.org
 +* [Bug 3013] Fix for ssl_init.c SHA1 test. perlinger@ntp.org
 +  - Patch provided by Ch. Weisgerber
 +* [Bug 3015] ntpq: config-from-file: "request contains an unprintable character"
 +  - A change related to [Bug 2853] forbids trailing white space in
 +    remote config commands. perlinger@ntp.org
 +* [Bug 3019] NTPD stops processing packets after ERROR_HOST_UNREACHABLE
 +  - report and patch from Aleksandr Kostikov.
 +  - Overhaul of Windows IO completion port handling. perlinger@ntp.org
 +* [Bug 3022] authkeys.c should be refactored. perlinger@ntp.org
 +  - fixed memory leak in access list (auth[read]keys.c)
 +  - refactored handling of key access lists (auth[read]keys.c)
 +  - reduced number of error branches (authreadkeys.c)
 +* [Bug 3023] ntpdate cannot correct dates in the future. perlinger@ntp.org
 +* [Bug 3030] ntpq needs a general way to specify refid output format.  HStenn.
 +* [Bug 3031] ntp broadcastclient unable to synchronize to an server
 +             when the time of server changed. perlinger@ntp.org
 +  - Check the initial delay calculation and reject/unpeer the broadcast
 +    server if the delay exceeds 50ms. Retry again after the next
 +    broadcast packet.
 +* Document ntp.key's optional IP list in authenetic.html.  Harlan Stenn.
 +* Update html/xleave.html documentation.  Harlan Stenn.
 +* Update ntp.conf documentation.  Harlan Stenn.
 +* Fix some Credit: attributions in the NEWS file.  Harlan Stenn.
 +* Fix typo in html/monopt.html.  Harlan Stenn.
 +* Add README.pullrequests.  Harlan Stenn.
 +* Cleanup to include/ntp.h.  Harlan Stenn.
  
  ---
  (4.2.8p6) 2016/01/20 Released by Harlan Stenn <stenn@ntp.org>

diff --cc libntp/work_fork.c
Simple merge