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[xen-unstable bisection] complete test-xtf-amd64-amd64-1



branch xen-unstable
xenbranch xen-unstable
job test-xtf-amd64-amd64-1
testid xtf/test-pv32pae-selftest

Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git
Tree: xtf git://xenbits.xen.org/xtf.git

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen git://xenbits.xen.org/xen.git
  Bug introduced:  4dc1815991420b809ce18dddfdf9c0af48944204
  Bug not present: 2d824791504f4119f04f95bafffec2e37d319c25
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/159596/


  commit 4dc1815991420b809ce18dddfdf9c0af48944204
  Author: Jan Beulich <jbeulich@xxxxxxxx>
  Date:   Fri Feb 19 17:19:56 2021 +0100
  
      x86/PV: harden guest memory accesses against speculative abuse
      
      Inspired by
      
https://lore.kernel.org/lkml/f12e7d3cecf41b2c29734ea45a393be21d4a8058.1597848273.git.jpoimboe@xxxxxxxxxx/
      and prior work in that area of x86 Linux, suppress speculation with
      guest specified pointer values by suitably masking the addresses to
      non-canonical space in case they fall into Xen's virtual address range.
      
      Introduce a new Kconfig control.
      
      Note that it is necessary in such code to avoid using "m" kind operands:
      If we didn't, there would be no guarantee that the register passed to
      guest_access_mask_ptr is also the (base) one used for the memory access.
      
      As a minor unrelated change in get_unsafe_asm() the unnecessary "itype"
      parameter gets dropped and the XOR on the fixup path gets changed to be
      a 32-bit one in all cases: This way we avoid pointless REX.W or operand
      size overrides, or writes to partial registers.
      
      Requested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
      Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
      Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
      Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-unstable/test-xtf-amd64-amd64-1.xtf--test-pv32pae-selftest.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-unstable/test-xtf-amd64-amd64-1.xtf--test-pv32pae-selftest
 --summary-out=tmp/159596.bisection-summary --basis-template=159475 
--blessings=real,real-bisect,real-retry xen-unstable test-xtf-amd64-amd64-1 
xtf/test-pv32pae-selftest
Searching for failure / basis pass:
 159559 fail [host=godello0] / 159475 [host=huxelrebe1] 159453 [host=fiano0] 
159424 [host=chardonnay0] 159396 ok.
Failure / basis pass flights: 159559 / 159396
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git
Tree: xtf git://xenbits.xen.org/xtf.git
Latest c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
f894c3d8e705fea9cb3244fa61684bfd8bdd1b2a 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
Basis pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
04085ec1ac05a362812e9b0c6b5a8713d7dc88ad 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#c3038e718a19fc596f7b1baba0f83d5146dc7784-c3038e718a19fc596f7b1baba0f83d5146dc7784
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#3d273dd05e51e5a1ffba3d98c7437ee84e8f8764-3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 git://xenbits.xen.org/qemu-xen.git#7ea428895af2840d85c524f0bd11a38\
 aac308308-7ea428895af2840d85c524f0bd11a38aac308308 
git://xenbits.xen.org/xen.git#04085ec1ac05a362812e9b0c6b5a8713d7dc88ad-f894c3d8e705fea9cb3244fa61684bfd8bdd1b2a
 
git://xenbits.xen.org/xtf.git#8ab15139728a8efd3ebbb60beb16a958a6a93fa1-8ab15139728a8efd3ebbb60beb16a958a6a93fa1
Loaded 5001 nodes in revision graph
Searching for test results:
 159315 [host=huxelrebe1]
 159335 [host=godello1]
 159362 [host=fiano1]
 159396 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
04085ec1ac05a362812e9b0c6b5a8713d7dc88ad 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159424 [host=chardonnay0]
 159453 [host=fiano0]
 159475 [host=huxelrebe1]
 159487 [host=chardonnay1]
 159491 [host=albana1]
 159508 [host=elbling0]
 159526 [host=albana0]
 159540 [host=albana1]
 159559 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
f894c3d8e705fea9cb3244fa61684bfd8bdd1b2a 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159581 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
04085ec1ac05a362812e9b0c6b5a8713d7dc88ad 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159583 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
f894c3d8e705fea9cb3244fa61684bfd8bdd1b2a 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159584 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
6a1d72d3739e330caf728ea07d656d7bf568824b 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159586 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
336fbbdf61562e5ae1112f24bc90c1164adf2144 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159587 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
f954a1bf5f74ad6edce361d1bf1a29137ff374e8 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159589 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
2d824791504f4119f04f95bafffec2e37d319c25 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159591 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
4dc1815991420b809ce18dddfdf9c0af48944204 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159593 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
2d824791504f4119f04f95bafffec2e37d319c25 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159594 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
4dc1815991420b809ce18dddfdf9c0af48944204 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159595 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
2d824791504f4119f04f95bafffec2e37d319c25 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
 159596 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
4dc1815991420b809ce18dddfdf9c0af48944204 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
Searching for interesting versions
 Result found: flight 159396 (pass), for basis pass
 For basis failure, parent search stopping at 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
2d824791504f4119f04f95bafffec2e37d319c25 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1, results HASH(0x5555cd8fe6a8) 
HASH(0x5555cd97c438) HASH(0x5555cd97f3c8) For basis failure, parent search 
stopping at c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 3d273dd05\
 e51e5a1ffba3d98c7437ee84e8f8764 7ea428895af2840d85c524f0bd11a38aac308308 
6a1d72d3739e330caf728ea07d656d7bf568824b 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1, results HASH(0x5555cd8e70d8) For 
basis failure, parent search stopping at 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
04085ec1ac05a362812e9b0c6b5a8713d7dc88ad 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1, results HASH(0x5555cd8e\
 bb90) HASH(0x5555cd8f4658) Result found: flight 159559 (fail), for basis 
failure (at ancestor ~76)
 Repro found: flight 159581 (pass), for basis pass
 Repro found: flight 159583 (fail), for basis failure
 0 revisions at c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7ea428895af2840d85c524f0bd11a38aac308308 
2d824791504f4119f04f95bafffec2e37d319c25 
8ab15139728a8efd3ebbb60beb16a958a6a93fa1
No revisions left to test, checking graph state.
 Result found: flight 159589 (pass), for last pass
 Result found: flight 159591 (fail), for first failure
 Repro found: flight 159593 (pass), for last pass
 Repro found: flight 159594 (fail), for first failure
 Repro found: flight 159595 (pass), for last pass
 Repro found: flight 159596 (fail), for first failure

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen git://xenbits.xen.org/xen.git
  Bug introduced:  4dc1815991420b809ce18dddfdf9c0af48944204
  Bug not present: 2d824791504f4119f04f95bafffec2e37d319c25
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/159596/


  commit 4dc1815991420b809ce18dddfdf9c0af48944204
  Author: Jan Beulich <jbeulich@xxxxxxxx>
  Date:   Fri Feb 19 17:19:56 2021 +0100
  
      x86/PV: harden guest memory accesses against speculative abuse
      
      Inspired by
      
https://lore.kernel.org/lkml/f12e7d3cecf41b2c29734ea45a393be21d4a8058.1597848273.git.jpoimboe@xxxxxxxxxx/
      and prior work in that area of x86 Linux, suppress speculation with
      guest specified pointer values by suitably masking the addresses to
      non-canonical space in case they fall into Xen's virtual address range.
      
      Introduce a new Kconfig control.
      
      Note that it is necessary in such code to avoid using "m" kind operands:
      If we didn't, there would be no guarantee that the register passed to
      guest_access_mask_ptr is also the (base) one used for the memory access.
      
      As a minor unrelated change in get_unsafe_asm() the unnecessary "itype"
      parameter gets dropped and the XOR on the fixup path gets changed to be
      a 32-bit one in all cases: This way we avoid pointless REX.W or operand
      size overrides, or writes to partial registers.
      
      Requested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
      Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
      Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
      Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>

Revision graph left in 
/home/logs/results/bisect/xen-unstable/test-xtf-amd64-amd64-1.xtf--test-pv32pae-selftest.{dot,ps,png,html,svg}.
----------------------------------------
159596: tolerable all pass

flight 159596 xen-unstable real-bisect [real]
http://logs.test-lab.xenproject.org/osstest/logs/159596/

Failures :-/ but no regressions.

Tests which did not succeed,
including tests which could not be run:
 test-xtf-amd64-amd64-1     19 xtf/test-pv32pae-selftest fail baseline untested


jobs:
 test-xtf-amd64-amd64-1                                       pass    


------------------------------------------------------------
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




 


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