linux-kernel - Re: [selftests/lkdtm] 7ecfffe9bc: kernel_BUG_at

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Message-ID: <202106280805.5620A53D08@keescook>
Date:   Mon, 28 Jun 2021 08:07:02 -0700
From:   Kees Cook <keescook@...omium.org>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     Guillaume Tucker <guillaume.tucker@...labora.com>,
        David Laight <David.Laight@...lab.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com
Subject: Re: [selftests/lkdtm]  7ecfffe9bc:
 kernel_BUG_at_drivers/misc/lkdtm/bugs.c

On Mon, Jun 28, 2021 at 10:59:22PM +0800, kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-9):
> 
> commit: 7ecfffe9bcb6657ae3a86c58f8eae2fe37b54807 ("selftests/lkdtm: Avoid needing explicit sub-shell")
> https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git for-next/lkdtm
> 
> 
> in testcase: kernel-selftests
> version: kernel-selftests-x86_64-f8879e85-1_20210621
> with following parameters:
> 
> 	group: lkdtm
> 	ucode: 0xe2
> 
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt

When running the "lkdtm" subsystem of tests, CI systems should ignore
console Oopses, since those are "working as intended" for lkdtm (which
is explicitly testing for those Oopses).

-Kees

-- 
Kees Cook