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[Xen-devel] [xen-4.9-testing baseline-only test] 75535: trouble: blocked/broken/fail/pass



This run is configured for baseline tests only.

flight 75535 xen-4.9-testing real [real]
http://osstest.xensource.com/osstest/logs/75535/

Failures and problems with tests :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 build-armhf                     <job status>                 broken

Tests which did not succeed, but are not blocking:
 test-armhf-armhf-xl-multivcpu  1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-midway    1 build-check(1)               blocked  n/a
 test-armhf-armhf-libvirt      1 build-check(1)               blocked  n/a
 build-armhf-libvirt           1 build-check(1)               blocked  n/a
 test-armhf-armhf-libvirt-raw  1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl           1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-vhd       1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-credit2   1 build-check(1)               blocked  n/a
 test-armhf-armhf-xl-rtds      1 build-check(1)               blocked  n/a
 build-armhf                   4 host-install(4)       broken baseline untested
 test-amd64-i386-xl-raw       10 debian-di-install       fail baseline untested
 test-amd64-i386-xl-qemut-ws16-amd64 10 windows-install  fail baseline untested
 test-amd64-amd64-i386-pvgrub 19 guest-start/debian.repeat fail baseline 
untested
 test-amd64-amd64-xl-qemuu-win7-amd64 16 guest-localmigrate/x10 fail baseline 
untested
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop       fail baseline untested
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop      fail baseline untested
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop       fail baseline untested
 test-amd64-amd64-qemuu-nested-intel 17 debian-hvm-install/l1/l2 fail baseline 
untested
 test-amd64-i386-xl-qemut-win10-i386 17 guest-stop       fail baseline untested
 test-amd64-amd64-xl-qemuu-win10-i386 10 windows-install fail baseline untested
 test-amd64-amd64-xl-qemut-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-libvirt-xsm  13 migrate-support-check        fail   never pass
 test-amd64-i386-xl-qemuu-win10-i386 10 windows-install         fail never pass
 test-amd64-amd64-xl-qemut-ws16-amd64 10 windows-install        fail never pass
 test-amd64-i386-xl-qemuu-ws16-amd64 10 windows-install         fail never pass
 test-amd64-amd64-xl-qemuu-ws16-amd64 10 windows-install        fail never pass
 test-amd64-i386-libvirt      13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-amd64-libvirt-vhd 12 migrate-support-check        fail   never pass
 test-amd64-amd64-qemuu-nested-amd 17 debian-hvm-install/l1/l2  fail never pass

version targeted for testing:
 xen                  f294d80e8e43d4cdcc6d4d94b1e9c9b1aadf67d8
baseline version:
 xen                  782ca9b94f77026875dd98d6288fc1f8dcc7ce19

Last test of basis    75474  2018-10-22 03:18:08 Z    8 days
Testing same since    75535  2018-10-29 09:18:10 Z    0 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

jobs:
 build-amd64-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              pass    
 build-amd64                                                  pass    
 build-armhf                                                  broken  
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-armhf-libvirt                                          blocked 
 build-i386-libvirt                                           pass    
 build-amd64-prev                                             pass    
 build-i386-prev                                              pass    
 build-amd64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 build-amd64-rumprun                                          pass    
 build-i386-rumprun                                           pass    
 test-xtf-amd64-amd64-1                                       pass    
 test-xtf-amd64-amd64-2                                       pass    
 test-xtf-amd64-amd64-3                                       pass    
 test-xtf-amd64-amd64-4                                       pass    
 test-xtf-amd64-amd64-5                                       pass    
 test-amd64-amd64-xl                                          pass    
 test-armhf-armhf-xl                                          blocked 
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm                pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm                 pass    
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm            pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-xsm                pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm                 pass    
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm        pass    
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         pass    
 test-amd64-amd64-libvirt-xsm                                 pass    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-amd64-i386-xl-xsm                                       pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-i386-qemut-rhel6hvm-amd                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     pass    
 test-amd64-i386-freebsd10-amd64                              pass    
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         pass    
 test-amd64-i386-xl-qemuu-ovmf-amd64                          pass    
 test-amd64-amd64-rumprun-amd64                               pass    
 test-amd64-amd64-xl-qemut-win7-amd64                         fail    
 test-amd64-i386-xl-qemut-win7-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-amd64-amd64-xl-qemut-ws16-amd64                         fail    
 test-amd64-i386-xl-qemut-ws16-amd64                          fail    
 test-amd64-amd64-xl-qemuu-ws16-amd64                         fail    
 test-amd64-i386-xl-qemuu-ws16-amd64                          fail    
 test-amd64-amd64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  blocked 
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-i386-rumprun-i386                                 pass    
 test-amd64-amd64-xl-qemut-win10-i386                         fail    
 test-amd64-i386-xl-qemut-win10-i386                          fail    
 test-amd64-amd64-xl-qemuu-win10-i386                         fail    
 test-amd64-i386-xl-qemuu-win10-i386                          fail    
 test-amd64-amd64-qemuu-nested-intel                          fail    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-armhf-armhf-libvirt                                     blocked 
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-livepatch                                   pass    
 test-amd64-i386-livepatch                                    pass    
 test-armhf-armhf-xl-midway                                   blocked 
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                blocked 
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-libvirt-pair                                pass    
 test-amd64-i386-libvirt-pair                                 pass    
 test-amd64-amd64-amd64-pvgrub                                pass    
 test-amd64-amd64-i386-pvgrub                                 fail    
 test-amd64-amd64-pygrub                                      pass    
 test-amd64-amd64-xl-qcow2                                    pass    
 test-armhf-armhf-libvirt-raw                                 blocked 
 test-amd64-i386-xl-raw                                       fail    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     blocked 
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-shadow             pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow              pass    
 test-amd64-amd64-xl-shadow                                   pass    
 test-amd64-i386-xl-shadow                                    pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-armhf-armhf-xl-vhd                                      blocked 


------------------------------------------------------------
sg-report-flight on osstest.xs.citrite.net
logs: /home/osstest/logs
images: /home/osstest/images

Logs, config files, etc. are available at
    http://osstest.xensource.com/osstest/logs

Test harness code can be found at
    http://xenbits.xensource.com/gitweb?p=osstest.git;a=summary

broken-job build-armhf broken
broken-step build-armhf host-install(4)

Push not applicable.

------------------------------------------------------------
commit f294d80e8e43d4cdcc6d4d94b1e9c9b1aadf67d8
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Oct 10 09:17:15 2018 +0000

    x86/vvmx: Disallow the use of VT-x instructions when nested virt is disabled
    
    c/s ac6a4500b "vvmx: set vmxon_region_pa of vcpu out of VMX operation to an
    invalid address" was a real bugfix as described, but has a very subtle bug
    which results in all VT-x instructions being usable by a guest.
    
    The toolstack constructs a guest by issuing:
    
      XEN_DOMCTL_createdomain
      XEN_DOMCTL_max_vcpus
    
    and optionally later, HVMOP_set_param to enable nested virt.
    
    As a result, the call to nvmx_vcpu_initialise() in hvm_vcpu_initialise()
    (which is what makes the above patch look correct during review) is actually
    dead code.  In practice, nvmx_vcpu_initialise() first gets called when 
nested
    virt is enabled, which is typically never.
    
    As a result, the zeroed memory of struct vcpu causes nvmx_vcpu_in_vmx() to
    return true before nested virt is enabled for the guest.
    
    Fixing the order of initialisation is a work in progress for other reasons,
    but not viable for security backports.
    
    A compounding factor is that the vmexit handlers for all instructions, other
    than VMXON, pass 0 into vmx_inst_check_privilege()'s vmxop_check parameter,
    which skips the CR4.VMXE check.  (This is one of many reasons why nested 
virt
    isn't a supported feature yet.)
    
    However, the overall result is that when nested virt is not enabled by the
    toolstack (i.e. the default configuration for all production guests), the 
VT-x
    instructions (other than VMXON) are actually usable, and Xen very quickly
    falls over the fact that the nvmx structure is uninitialised.
    
    In order to fail safe in the supported case, re-implement all the VT-x
    instruction handling using a single function with a common prologue, 
covering
    all the checks which should cause #UD or #GP faults.  This deliberately
    doesn't use any state from the nvmx structure, in case there are other 
lurking
    issues.
    
    This is XSA-278
    
    Reported-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
(qemu changes not included)

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