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[Xen-devel] [linux-linus bisection] complete test-amd64-i386-qemut-rhel6hvm-amd



branch xen-unstable
xenbranch xen-unstable
job test-amd64-i386-qemut-rhel6hvm-amd
testid xen-boot

Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.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

*** Found and reproduced problem changeset ***

  Bug is in tree:  linux 
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
  Bug introduced:  44c6dc940b190cf22b044a784f3e00a7e7f08b2f
  Bug not present: 2bc2f688fdf8808de4f36be563ccdb0bde7c0c54
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/119845/


  commit 44c6dc940b190cf22b044a784f3e00a7e7f08b2f
  Author: Kees Cook <keescook@xxxxxxxxxxxx>
  Date:   Tue Feb 6 15:37:45 2018 -0800
  
      Makefile: introduce CONFIG_CC_STACKPROTECTOR_AUTO
      
      Nearly all modern compilers support a stack-protector option, and nearly
      all modern distributions enable the kernel stack-protector, so enabling
      this by default in kernel builds would make sense.  However, Kconfig does
      not have knowledge of available compiler features, so it isn't safe to
      force on, as this would unconditionally break builds for the compilers or
      architectures that don't have support.  Instead, this introduces a new
      option, CONFIG_CC_STACKPROTECTOR_AUTO, which attempts to discover the best
      possible stack-protector available, and will allow builds to proceed even
      if the compiler doesn't support any stack-protector.
      
      This option is made the default so that kernels built with modern
      compilers will be protected-by-default against stack buffer overflows,
      avoiding things like the recent BlueBorne attack.  Selection of a specific
      stack-protector option remains available, including disabling it.
      
      Additionally, tiny.config is adjusted to use CC_STACKPROTECTOR_NONE, since
      that's the option with the least code size (and it used to be the default,
      so we have to explicitly choose it there now).
      
      Link: 
http://lkml.kernel.org/r/1510076320-69931-4-git-send-email-keescook@xxxxxxxxxxxx
      Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
      Tested-by: Laura Abbott <labbott@xxxxxxxxxx>
      Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
      Cc: Arnd Bergmann <arnd@xxxxxxxx>
      Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
      Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
      Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-linus/test-amd64-i386-qemut-rhel6hvm-amd.xen-boot.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/linux-linus/test-amd64-i386-qemut-rhel6hvm-amd.xen-boot
 --summary-out=tmp/119845.bisection-summary --basis-template=118324 
--blessings=real,real-bisect linux-linus test-amd64-i386-qemut-rhel6hvm-amd 
xen-boot
Searching for failure / basis pass:
 119751 fail [host=pinot1] / 118629 [host=pinot0] 118598 [host=rimava0] 118586 
ok.
Failure / basis pass flights: 119751 / 118586
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.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
Latest af3e79d29555b97dd096e2f8e36a0f50213808a8 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
24470b99c1671dca531c2cf5747eda2f8892ecbc
Basis pass 35277995e17919ab838beae765f440674e8576eb 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
99d9d7a33b781bc9a91416f1e04c8e50e40fa4ef
Generating revisions with ./adhoc-revtuple-generator  
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git#35277995e17919ab838beae765f440674e8576eb-af3e79d29555b97dd096e2f8e36a0f50213808a8
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bba25148b279f60-c8ea0457495342c417c3dc033bba25148b279f60
 
git://xenbits.xen.org/qemu-xen.git#2b033e396f4fa0981bae1213cdacd15775655a97-2b033e396f4fa0981bae1213cdacd15775655a97
 
git://xenbits.xen.org/xen.git#99d9d7a33b781bc9a91416f1e04c8e50e40fa4ef-24470b99c1671dca531c2cf5747eda2f8892ecbc
Loaded 93532 nodes in revision graph
Searching for test results:
 118576 [host=pinot0]
 118586 pass 35277995e17919ab838beae765f440674e8576eb 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
99d9d7a33b781bc9a91416f1e04c8e50e40fa4ef
 118629 [host=pinot0]
 118598 [host=rimava0]
 118638 fail irrelevant
 118672 fail irrelevant
 118775 fail irrelevant
 118893 fail irrelevant
 118968 fail irrelevant
 119064 fail irrelevant
 119117 fail irrelevant
 119201 fail irrelevant
 119350 fail irrelevant
 119435 fail irrelevant
 119511 fail irrelevant
 119582 fail irrelevant
 119711 fail irrelevant
 119707 fail irrelevant
 119639 fail irrelevant
 119691 pass 35277995e17919ab838beae765f440674e8576eb 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
99d9d7a33b781bc9a91416f1e04c8e50e40fa4ef
 119703 fail irrelevant
 119716 fail 1a5e8e35000577cb9100d22daa8b5ebcfa2be9b2 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
 119726 pass ab2d92ad881da11331280aedf612d82e61cb6d41 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119687 fail irrelevant
 119729 fail 667b60946ef9b8375085c7b225229923c6f87308 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119790 fail eed9c249f7f137bceaebfd69bc9544ea09be9180 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119743 fail irrelevant
 119755 pass 20d28cde5558a2a211620254ec7bc53a4334167f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119759 fail 334cfa48d38f5416c125a71a57f72d6cf634d797 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119798 fail dfbc3c6cb747c074aa2ba0a10bbeea588d6dfda6 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119768 pass 2bc2f688fdf8808de4f36be563ccdb0bde7c0c54 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119751 fail af3e79d29555b97dd096e2f8e36a0f50213808a8 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
24470b99c1671dca531c2cf5747eda2f8892ecbc
 119803 fail 44c6dc940b190cf22b044a784f3e00a7e7f08b2f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119817 fail af3e79d29555b97dd096e2f8e36a0f50213808a8 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
24470b99c1671dca531c2cf5747eda2f8892ecbc
 119813 pass 35277995e17919ab838beae765f440674e8576eb 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
99d9d7a33b781bc9a91416f1e04c8e50e40fa4ef
 119830 pass 2bc2f688fdf8808de4f36be563ccdb0bde7c0c54 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119833 fail 44c6dc940b190cf22b044a784f3e00a7e7f08b2f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119842 pass 2bc2f688fdf8808de4f36be563ccdb0bde7c0c54 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
 119845 fail 44c6dc940b190cf22b044a784f3e00a7e7f08b2f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
Searching for interesting versions
 Result found: flight 118586 (pass), for basis pass
 Result found: flight 119751 (fail), for basis failure
 Repro found: flight 119813 (pass), for basis pass
 Repro found: flight 119817 (fail), for basis failure
 0 revisions at 2bc2f688fdf8808de4f36be563ccdb0bde7c0c54 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
2b033e396f4fa0981bae1213cdacd15775655a97 
30cbd0c83ef3d0edac2d5bcc41a9a2b7a843ae58
No revisions left to test, checking graph state.
 Result found: flight 119768 (pass), for last pass
 Result found: flight 119803 (fail), for first failure
 Repro found: flight 119830 (pass), for last pass
 Repro found: flight 119833 (fail), for first failure
 Repro found: flight 119842 (pass), for last pass
 Repro found: flight 119845 (fail), for first failure

*** Found and reproduced problem changeset ***

  Bug is in tree:  linux 
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
  Bug introduced:  44c6dc940b190cf22b044a784f3e00a7e7f08b2f
  Bug not present: 2bc2f688fdf8808de4f36be563ccdb0bde7c0c54
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/119845/


  commit 44c6dc940b190cf22b044a784f3e00a7e7f08b2f
  Author: Kees Cook <keescook@xxxxxxxxxxxx>
  Date:   Tue Feb 6 15:37:45 2018 -0800
  
      Makefile: introduce CONFIG_CC_STACKPROTECTOR_AUTO
      
      Nearly all modern compilers support a stack-protector option, and nearly
      all modern distributions enable the kernel stack-protector, so enabling
      this by default in kernel builds would make sense.  However, Kconfig does
      not have knowledge of available compiler features, so it isn't safe to
      force on, as this would unconditionally break builds for the compilers or
      architectures that don't have support.  Instead, this introduces a new
      option, CONFIG_CC_STACKPROTECTOR_AUTO, which attempts to discover the best
      possible stack-protector available, and will allow builds to proceed even
      if the compiler doesn't support any stack-protector.
      
      This option is made the default so that kernels built with modern
      compilers will be protected-by-default against stack buffer overflows,
      avoiding things like the recent BlueBorne attack.  Selection of a specific
      stack-protector option remains available, including disabling it.
      
      Additionally, tiny.config is adjusted to use CC_STACKPROTECTOR_NONE, since
      that's the option with the least code size (and it used to be the default,
      so we have to explicitly choose it there now).
      
      Link: 
http://lkml.kernel.org/r/1510076320-69931-4-git-send-email-keescook@xxxxxxxxxxxx
      Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
      Tested-by: Laura Abbott <labbott@xxxxxxxxxx>
      Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
      Cc: Arnd Bergmann <arnd@xxxxxxxx>
      Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
      Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
      Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

pnmtopng: 166 colors found
Revision graph left in 
/home/logs/results/bisect/linux-linus/test-amd64-i386-qemut-rhel6hvm-amd.xen-boot.{dot,ps,png,html,svg}.
----------------------------------------
119845: tolerable ALL FAIL

flight 119845 linux-linus real-bisect [real]
http://logs.test-lab.xenproject.org/osstest/logs/119845/

Failures :-/ but no regressions.

Tests which did not succeed,
including tests which could not be run:
 test-amd64-i386-qemut-rhel6hvm-amd  7 xen-boot          fail baseline untested


jobs:
 test-amd64-i386-qemut-rhel6hvm-amd                           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


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