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[Bug 1782721] Re: DEBUG_WX is not set in Bionic KVM kernel

 

** Also affects: linux-kvm (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1782721

Title:
  DEBUG_WX is not set in Bionic KVM kernel

Status in ubuntu-kernel-tests:
  New
Status in linux-kvm package in Ubuntu:
  New
Status in linux-kvm source package in Xenial:
  New
Status in linux-kvm source package in Bionic:
  New

Bug description:
  == Justification ==
  In the Bionic KVM kernel, the CONFIG_DEBUG_WX was not set, which is needed to meet the security team's requirement.

  
  == Test ==
  Before enabling the config, test_330_config_debug_wx will fail in the kernel security testsuite for the kernel SRU regression test.

  It will pass with this patche applied, tested on a KVM node.

  == Fix ==
  UBUNTU: [Config]: enable CONFIG_DEBUG_WX

  == Regression Potential ==
  Minimal.
  No code changes, just a config changes without disabling any other configs.

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

  The kernel security test require this config to be enabled.

  FAIL: test_330_config_debug_wx (__main__.KernelSecurityConfigTest)
  Ensure DEBUG_WX is set
  ----------------------------------------------------------------------
  Traceback (most recent call last):
  File "./test-kernel-security.py", line 2537, in test_330_config_debug_wx
  self.assertKernelConfig('DEBUG_WX', expected)
  File "./test-kernel-security.py", line 207, in assertKernelConfig
  self.assertKernelConfigSet(name)
  File "./test-kernel-security.py", line 194, in assertKernelConfigSet
  '%s option was expected to be set in the kernel config' % name)
  AssertionError: DEBUG_WX option was expected to be set in the kernel config

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-1016-kvm 4.15.0-1016.16
  ProcVersionSignature: User Name 4.15.0-1016.16-kvm 4.15.18
  Uname: Linux 4.15.0-1016-kvm x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  Date: Fri Jul 20 07:56:06 2018
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-kvm
  UpgradeStatus: No upgrade log present (probably fresh install)

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