Xen stable update to 4.9.2

Regression test results on Bionic/18.04:

Starting on Xen 4.9.2 (Thu Apr 12 12:44:14 UTC 2018) on AMD
===========================================================================
dom0 tests
===========================================================================
* 10-dom0/12-setup PASS
===========================================================================
PV Guest tests (using xen xl toolstack)
===========================================================================
* 20-pvm/10-guest-boot PASS
* 20-pvm/15-update PASS
* 20-pvm/20-reboot PASS
* 20-pvm/21-recover-reboot PASS
* 20-pvm/25-security-qrt PASS
* 20-pvm/30-reboot PASS
* 20-pvm/31-recover-reboot PASS
* 20-pvm/35-pgslam PASS
* 20-pvm/40-save-restore PASS
* 20-pvm/45-pgslam PASS
* 20-pvm/90-guest-shutdown PASS
===========================================================================
HVM Guest tests (using libvirt / xl driver)
===========================================================================
* 30-hvm/10-guest-boot PASS
* 30-hvm/15-update PASS
* 30-hvm/20-reboot PASS
* 30-hvm/21-recover-reboot PASS
* 30-hvm/25-security-qrt PASS
* 30-hvm/30-reboot PASS
* 30-hvm/31-recover-reboot PASS
* 30-hvm/35-pgslam PASS
* 30-hvm/40-save-restore PASS
* 30-hvm/45-pgslam PASS
* 30-hvm/90-shutdown PASS
Finished all testcases. Overall status:
PASS

Starting on Xen 4.9.2 (Thu Apr 12 12:44:14 UTC 2018) on Intel
===========================================================================
dom0 tests
===========================================================================
* 10-dom0/12-setup PASS
===========================================================================
PV Guest tests (using xen xl toolstack)
===========================================================================
* 20-pvm/10-guest-boot PASS
* 20-pvm/15-update PASS
* 20-pvm/20-reboot PASS
* 20-pvm/21-recover-reboot PASS
* 20-pvm/25-security-qrt PASS
* 20-pvm/30-reboot PASS
* 20-pvm/31-recover-reboot PASS
* 20-pv...

This bug was fixed in the package xen - 4.9.2-0ubuntu1

---------------
xen (4.9.2-0ubuntu1) bionic; urgency=medium

  * Update to upstream 4.9.2 release (LP: #1763354).
    Changes include numerous bugfixes, including security fixes/updates.
    4.9.0 -> 4.9.1:
    - XSA-226 / CVE-2017-12135 (replacement)
    - XSA-227 / CVE-2017-12137 (replacement)
    - XSA-228 / CVE-2017-12136 (replacement)
    - XSA-230 / CVE-2017-12855 (replacement)
    - XSA-231 / CVE-2017-14316 (replacement)
    - XSA-232 / CVE-2017-14318 (replacement)
    - XSA-233 / CVE-2017-14317 (replacement)
    - XSA-234 / CVE-2017-14319 (replacement)
    - XSA-235 / CVE-2017-15596 (replacement)
    - XSA-236 / CVE-2017-15597 (new)
    - XSA-237 / CVE-2017-15590 (replacement)
    - XSA-238 / CVE-2017-15591 (replacement)
    - XSA-239 / CVE-2017-15589 (replacement)
    - XSA-240 / CVE-2017-15595 (update)
    - XSA-241 / CVE-2017-15588 (replacement)
    - XSA-242 / CVE-2017-15593 (replacement)
    - XSA-243 / CVE-2017-15592 (replacement)
    - XSA-244 / CVE-2017-15594 (replacement)
    - XSA-245 / CVE-2017-17046 (replacement)
    4.9.1 -> 4.9.2:
    - XSA-246 / CVE-2017-17044 (new)
    - XSA-247 / CVE-2017-17045 (new)
    - XSA-248 / CVE-2017-17566 (new)
    - XSA-249 / CVE-2017-17563 (new)
    - XSA-250 / CVE-2017-17564 (new)
    - XSA-251 / CVE-2017-17565 (new)
    - XSA-252 / CVE-2018-7540 (new)
    - XSA-254 / CVE-2017-5754 (new / XPTI Meltdown mitigation)
    - XSA-255 / CVE-2018-7541 (new)
    - XSA-256 / CVE-2018-7542 (new)
  * Dropped:
    d/p/ubuntu/tools-fix-ftbs-arm.patch (upstream)

 -- Stefan Bader <email address hidden> Thu, 12 Apr 2018 11:54:57 +0200

Artful is EOL for long time.