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[Xen-devel] [xen-4.10-testing baseline-only test] 74723: regressions - FAIL

This run is configured for baseline tests only.

flight 74723 xen-4.10-testing real [real]

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-i386-xl-qemuu-debianhvm-amd64 15 guest-saverestore.2 fail REGR. vs. 
 test-amd64-amd64-xl-qemuu-debianhvm-amd64 16 guest-localmigrate/x10 fail REGR. 
vs. 74649
 test-amd64-amd64-qemuu-nested-intel 14 xen-boot/l1        fail REGR. vs. 74649

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qemuu-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-xl-qemuu-win10-i386 10 windows-install         fail never pass
 test-amd64-amd64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-amd64-i386-xl-qemut-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-xsm  13 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-xsm 12 guest-start                  fail   never pass
 test-armhf-armhf-xl-xsm      12 guest-start                  fail   never pass
 test-armhf-armhf-xl-midway   12 guest-start                  fail   never pass
 test-amd64-amd64-xl-pvhv2-intel 12 guest-start                 fail never pass
 test-armhf-armhf-xl          12 guest-start                  fail   never pass
 test-armhf-armhf-xl-multivcpu 12 guest-start                  fail  never pass
 test-armhf-armhf-xl-rtds     12 guest-start                  fail   never pass
 test-armhf-armhf-xl-credit2  12 guest-start                  fail   never pass
 test-armhf-armhf-libvirt     12 guest-start                  fail   never pass
 test-amd64-amd64-xl-pvhv2-amd 12 guest-start                  fail  never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-amd64-i386-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-amd64-qemuu-nested-amd 17 debian-hvm-install/l1/l2  fail never pass
 test-amd64-amd64-libvirt-vhd 12 migrate-support-check        fail   never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop             fail never pass
 test-amd64-amd64-xl-qemut-win10-i386 17 guest-stop             fail never pass
 test-amd64-i386-xl-qemut-win10-i386 17 guest-stop              fail never pass
 test-armhf-armhf-xl-vhd      10 debian-di-install            fail   never pass
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop             fail never pass
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop              fail never pass
 test-armhf-armhf-libvirt-raw 10 debian-di-install            fail   never pass
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop             fail never pass

version targeted for testing:
 xen                  25e0657ed49e4febfb6fce729adb00a8d7b87042
baseline version:
 xen                  c30ab3d97c8ff0d2ed8948dd013737befc7a2223

Last test of basis    74649  2018-04-30 02:16:41 Z   18 days
Testing same since    74723  2018-05-17 17:50:37 Z    0 days    1 attempts

People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Roger Pau Monné <roger.pau@xxxxxxxxxx>
  Xen Project Security Team <security@xxxxxxxxxxxxxx>

 build-amd64-xsm                                              pass    
 build-armhf-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              pass    
 build-amd64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-armhf-libvirt                                          pass    
 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                                          fail    
 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-armhf-armhf-libvirt-xsm                                 fail    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-armhf-armhf-xl-xsm                                      fail    
 test-amd64-i386-xl-xsm                                       pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-amd64-xl-pvhv2-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                    fail    
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     fail    
 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                                  fail    
 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-amd64-xl-pvhv2-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                                     fail    
 test-amd64-i386-libvirt                                      pass    
 test-armhf-armhf-xl-midway                                   fail    
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                fail    
 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                                 pass    
 test-amd64-amd64-pygrub                                      pass    
 test-amd64-amd64-xl-qcow2                                    pass    
 test-armhf-armhf-libvirt-raw                                 fail    
 test-amd64-i386-xl-raw                                       pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     fail    
 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                                      fail    

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

Logs, config files, etc. are available at

Test harness code can be found at

Push not applicable.

commit 25e0657ed49e4febfb6fce729adb00a8d7b87042
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue May 8 18:14:59 2018 +0100

    x86/HVM: guard against emulator driving ioreq state in weird ways
    In the case where hvm_wait_for_io() calls wait_on_xen_event_channel(),
    p->state ends up being read twice in succession: once to determine that
    state != p->state, and then again at the top of the loop.  This gives a
    compromised emulator a chance to change the state back between the two
    reads, potentially keeping Xen in a loop indefinitely.
    * Read p->state once in each of the wait_on_xen_event_channel() tests,
    * re-use that value the next time around,
    * and insist that the states continue to transition "forward" (with the
      exception of the transition to STATE_IOREQ_NONE).
    This is XSA-262.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>

commit 31c78e9ca3c427948b68ba21ea9c18bd007eeec8
Author: Xen Project Security Team <security@xxxxxxxxxxxxxx>
Date:   Tue May 8 18:14:42 2018 +0100

    x86/vpt: add support for IO-APIC routed interrupts
    And modify the HPET code to make use of it. Currently HPET interrupts
    are always treated as ISA and thus injected through the vPIC. This is
    wrong because HPET interrupts when not in legacy mode should be
    injected from the IO-APIC.
    To make things worse, the supported interrupt routing values are set
    to [20..23], which clearly falls outside of the ISA range, thus
    leading to an ASSERT in debug builds or memory corruption in non-debug
    builds because the interrupt injection code will write out of the
    bounds of the arch.hvm_domain.vpic array.
    Since the HPET interrupt source can change between ISA and IO-APIC
    always destroy the timer before changing the mode, or else Xen risks
    changing it while the timer is active.
    Note that vpt interrupt injection is racy in the sense that the
    vIO-APIC RTE entry can be written by the guest in between the call to
    pt_irq_masked and hvm_ioapic_assert, or the call to pt_update_irq and
    pt_intr_post. Those are not deemed to be security issues, but rather
    quirks of the current implementation. In the worse case the guest
    might lose interrupts or get multiple interrupt vectors injected for
    the same timer source.
    This is part of XSA-261.
    Address actual and potential compiler warnings. Fix formatting.
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 07b6f426233fc75c299feb138284ac8f0d881d36
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue May 8 18:14:35 2018 +0100

    x86/traps: Fix handling of #DB exceptions in hypervisor context
    The WARN_ON() can be triggered by guest activities, and emits a full stack
    trace without rate limiting.  Swap it out for a ratelimited printk with just
    enough information to work out what is going on.
    Not all #DB exceptions are traps, so blindly continuing is not a safe action
    to take.  We don't let PV guests select these settings in the real %dr7 to
    begin with, but for added safety against unexpected situations, detect the
    fault cases and crash in an obvious manner.
    This is part of XSA-260 / CVE-2018-8897.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 373d49693a6c9145ac191cfad3078c23e36fe20b
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue May 8 18:14:35 2018 +0100

    x86/traps: Use an Interrupt Stack Table for #DB
    PV guests can use architectural corner cases to cause #DB to be raised after
    transitioning into supervisor mode.
    Use an interrupt stack table for #DB to prevent the exception being taken 
    a guest controlled stack pointer.
    This is part of XSA-260 / CVE-2018-8897.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 9abae6f7a867d3437141f95cbb030c1841ca97e6
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue May 8 18:14:35 2018 +0100

    x86/pv: Move exception injection into {,compat_}test_all_events()
    This allows paths to jump straight to {,compat_}test_all_events() and have
    injection of pending exceptions happen automatically, rather than requiring
    all calling paths to handle exceptions themselves.
    The normal exception path is simplified as a result, and
    compat_post_handle_exception() is removed entirely.
    This is part of XSA-260 / CVE-2018-8897.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit abe5fb92183c8cd97ef0e79afb5ff46b8ad02f38
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue May 8 18:14:35 2018 +0100

    x86/traps: Fix %dr6 handing in #DB handler
    Most bits in %dr6 accumulate, rather than being set directly based on the
    current source of #DB.  Have the handler follow the manuals guidance, which
    avoids leaking hypervisor debugging activities into guest context.
    This is part of XSA-260 / CVE-2018-8897.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 99e50001bea6f3d777b86bbb9bb41ef66ba47974
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed May 2 12:01:19 2018 +0200

    update Xen version to 4.10.1
(qemu changes not included)

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