[qemu-upstream-4.3-testing test] 77853: regressions - FAIL

[osstest service owner <osstest-admin@xxxxxxxxxxxxxx>]

flight 77853 qemu-upstream-4.3-testing real [real]
http://logs.test-lab.xenproject.org/osstest/logs/77853/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-winxpsp3 15 guest-localmigrate/x10 fail REGR. vs. 
62112

Regressions which are regarded as allowable (not blocking):
 test-amd64-amd64-xl-qemuu-win7-amd64 16 guest-stop             fail like 62112
 test-amd64-i386-xl-qemuu-win7-amd64 16 guest-stop              fail like 62112

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qemuu-ovmf-amd64  9 debian-hvm-install     fail never pass
 test-amd64-i386-xl-qemuu-ovmf-amd64  9 debian-hvm-install      fail never pass
 test-amd64-amd64-libvirt     12 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt      12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-vhd 11 migrate-support-check        fail   never pass

version targeted for testing:
 qemuu                6e184363e64a0610c35ca231bfc73cea56eb02f3
baseline version:
 qemuu                b188780861662e8cf1847ec562799b32bb44f05e

Last test of basis    62112  2015-09-18 04:07:28 Z  116 days
Testing same since    66538  2015-12-18 16:12:07 Z   25 days   15 attempts

------------------------------------------------------------
People who touched revisions under test:
  Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

jobs:
 build-amd64                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-pvops                                            pass    
 build-i386-pvops                                             pass    
 test-amd64-amd64-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           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                         fail    
 test-amd64-i386-xl-qemuu-ovmf-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-amd64-amd64-xl-credit2                                  pass    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-pv                                          pass    
 test-amd64-i386-pv                                           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-amd64-i386-xl-raw                                       pass    
 test-amd64-i386-xl-qemuu-winxpsp3-vcpus1                     pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-amd64-amd64-xl-qemuu-winxpsp3                           fail    


------------------------------------------------------------
sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images

Logs, config files, etc. are available at
    http://logs.test-lab.xenproject.org/osstest/logs

Explanation of these reports, and of osstest in general, is at
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master

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


Not pushing.

------------------------------------------------------------
commit 6e184363e64a0610c35ca231bfc73cea56eb02f3
Author: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date:   Fri Dec 18 15:45:14 2015 +0000

    xenfb: avoid reading twice the same fields from the shared page
    
    Reading twice the same field could give the guest an attack of
    opportunity. In the case of event->type, gcc could compile the switch
    statement into a jump table, effectively ending up reading the type
    field multiple times.
    
    This is part of XSA-155.
    
    Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

commit ca37f03bc0df4d4a2c5aef4c3c445a183e6bd11b
Author: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date:   Fri Dec 18 15:44:58 2015 +0000

    xen/blkif: Avoid double access to src->nr_segments
    
    src is stored in shared memory and src->nr_segments is dereferenced
    twice at the end of the function.  If a compiler decides to compile this
    into two separate memory accesses then the size limitation could be
    bypassed.
    
    Fix it by removing the double access to src->nr_segments.
    
    This is part of XSA-155.
    
    Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

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