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[Bug 1990090] Re: test_520_config_random_trust_cpu in ubuntu_qrt_kernel_security failed on Bionic 4.15

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Jürg Häfliger <1990090@xxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Apr 2025 23:02:28 -0000
Reply-to: Bug 1990090 <1990090@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1990090

Title:
  test_520_config_random_trust_cpu in ubuntu_qrt_kernel_security failed
  on Bionic 4.15

Status in QA Regression Testing:
  Fix Released
Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Invalid

Bug description:
  Issue found with Bionic 4.15.0-194.205

  Test failed with:

   Running test: './test-kernel-security.py' distro: 'Ubuntu 18.04' kernel: '4.15.0-194.205 (Ubuntu 4.15.0-194.205-generic 4.15.18)' arch: 'amd64' uid: 0/0 SUDO_USER: 'ubuntu')
   test_520_config_random_trust_cpu (__main__.KernelSecurityConfigTest)
   Ensure RANDOM_TRUST_CPU is enabled (LP: #1823754) ... FAIL
   
   ======================================================================
   FAIL: test_520_config_random_trust_cpu (__main__.KernelSecurityConfigTest)
   Ensure RANDOM_TRUST_CPU is enabled (LP: #1823754)
   ----------------------------------------------------------------------
   Traceback (most recent call last):
     File "./test-kernel-security.py", line 2976, in test_520_config_random_trust_cpu
       self.assertKernelConfig('RANDOM_TRUST_CPU', expected)   
     File "./test-kernel-security.py", line 233, in assertKernelConfig
       self.assertKernelConfigUnset(name)
     File "./test-kernel-security.py", line 224, in assertKernelConfigUnset
       '%s option was expected to be unset in the kernel config' % name)
   AssertionError: RANDOM_TRUST_CPU option was expected to be unset in the kernel config
   
   ----------------------------------------------------------------------
   Ran 1 test in 0.003s
   
   FAILED (failures=1)

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