ubuntu_qrt_kernel_security:test-kernel-security.py:test_140: Tainted module(ib_iser) found on akis

[Kleber Sacilotto de Souza]

The testcase is failing on bionic/linux (4.15.0-162.170) only on this amd64 node (akis):

FAIL: test_140_kernel_modules_not_tainted (__main__.KernelSecurityTest)
kernel modules are not marked with a taint flag (especially 'E' for TAINT_UNSIGNED_MODULE)
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Traceback (most recent call last):
  File "./test-kernel-security.py", line 1658, in test_140_kernel_modules_not_tainted
    self.fail('Module \'%s\' is tainted: %s' % (fields[0], last_field))
AssertionError: Module 'ib_iser' is tainted: (OE)

[Luke Nowakowski-Krijger (lukenow)]

Found on 2022.01.31/bionic/linux/4.15.0-169.177 on amd64 instances akis and exotic skunk

[Francis Ginther (fginther)]

Went down the path of trying to disable the ib_iser module for this specific combination of host and test, but ultimately this doesn't feel like the solution. I think a better solution is to refactor how we run test-kernel-security.py so that we can hint individual test cases. Then we can add a hint for this specific test and hosts.