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[Bug 1805105] Re: /proc/self/stack does not exist in kvm kernel, causing failures in kernel security test

 

On a second thought
As this test has been corrected to cope with a kernel without CONFIG_STACKTRACE enabled.
I think this should be enough to close this bug.

If we ever need a discussion / tracking bug for enabling
CONFIG_STACKTRACE or not, we can have a new bug for it.

I will close this bug.
Thanks!

** Changed in: ubuntu-kernel-tests
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1805105

Title:
  /proc/self/stack does not exist in kvm kernel, causing failures in
  kernel security test

Status in QA Regression Testing:
  Fix Released
Status in ubuntu-kernel-tests:
  Fix Released
Status in linux-kvm package in Ubuntu:
  New
Status in linux source package in Xenial:
  Invalid
Status in linux-kvm source package in Xenial:
  New
Status in linux source package in Bionic:
  Invalid
Status in linux-kvm source package in Bionic:
  New
Status in linux source package in Cosmic:
  Incomplete
Status in linux-kvm source package in Cosmic:
  New
Status in linux source package in Disco:
  Incomplete
Status in linux-kvm source package in Disco:
  New

Bug description:
  Linux larry 4.18.0-1005-kvm #5-Ubuntu SMP Thu Nov 15 20:22:03 UTC 2018
  x86_64 x86_64 x86_64 GNU/Linux

  # ls /proc/self/stack
  ls: cannot access '/proc/self/stack': No such file or directory

  Thus:
  FAIL: test_095_kernel_symbols_missing_proc_self_stack (__main__.KernelSecurityTest)
  kernel addresses in /proc/self/stack are zeroed out
  ----------------------------------------------------------------------
  Traceback (most recent call last):
  File "./test-kernel-security.py", line 1352, in test_095_kernel_symbols_missing_proc_self_stack
  self._check_pK_files(self._095_kernel_symbols_missing_proc_self_stack, expected=expected)
  File "./test-kernel-security.py", line 1199, in _check_pK_files
  test_function(expected_restricted)
  File "./test-kernel-security.py", line 1296, in _095_kernel_symbols_missing_proc_self_stack
  '/proc/self/stack does not exist')
  AssertionError: /proc/self/stack does not exist

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