test_320_config_arm_pan from ubuntu_qrt_kernel_security failed on B-azure-5.4 ARM64 instance Standard_D2pds_v5

[Po-Hsu Lin]

Issue found with Bionic Azure 5.4.0-1095.101~18.04.1 on ARM64 instance Standard_D2pds_v5

This failure can be found with 5.4.0-1094.100~18.04.1 as well. With which we have this ARM64 instance added to the pool.

Test failed with:
 Running 'python2 ./test-kernel-security.py -v KernelSecurityConfigTest.test_320_config_arm_pan'
 Running test: './test-kernel-security.py' distro: 'Ubuntu 18.04' kernel: '5.4.0-1095.101~18.04.1 (Ubuntu 5.4.0-1095.101~18.04.1-azure 5.4.212)' arch: 'arm64' uid: 0/0 SUDO_USER: 'azure')
 test_320_config_arm_pan (__main__.KernelSecurityConfigTest)
 Ensure PAN for arm processors is set ... (arm64 processor, looking for CONFIG_ARM64_SW_TTBR0_PAN) FAIL

 ======================================================================
 FAIL: test_320_config_arm_pan (__main__.KernelSecurityConfigTest)
 Ensure PAN for arm processors is set
 ----------------------------------------------------------------------
 Traceback (most recent call last):
   File "./test-kernel-security.py", line 2782, in test_320_config_arm_pan
     self.assertKernelConfig(config_name, expected)
   File "./test-kernel-security.py", line 231, in assertKernelConfig
     self.assertKernelConfigSet(name)
   File "./test-kernel-security.py", line 218, in assertKernelConfigSet
     '%s option was expected to be set in the kernel config' % name)
 AssertionError: ARM64_SW_TTBR0_PAN option was expected to be set in the kernel config
 ----------------------------------------------------------------------
 Ran 1 test in 0.003s

 FAILED (failures=1)

[Po-Hsu Lin (cypressyew)]

This can be found with Focal Azure 5.4.0-1094.100 on ARM64 instance Standard_D2pds_v5 as well (this node was added to the pool since that kernel)