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SubjectRe: [PATCH v6 3/4] kunit: Taint the kernel when KUnit tests are run
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On 7/8/22 9:35 PM, David Gow wrote:
> On Sat, Jul 9, 2022 at 5:24 AM Shuah Khan <skhan@linuxfoundation.org> wrote:
>>
>> On 7/8/22 3:22 PM, Shuah Khan wrote:
>>> On 7/8/22 3:00 PM, Daniel Latypov wrote:
>>>> On Fri, Jul 8, 2022 at 1:22 PM Shuah Khan <skhan@linuxfoundation.org> wrote:
>>>>>
>>>>> On 7/7/22 10:48 PM, David Gow wrote:
>>>>>> Make KUnit trigger the new TAINT_TEST taint when any KUnit test is run.
>>>>>> Due to KUnit tests not being intended to run on production systems, and
>>>>>> potentially causing problems (or security issues like leaking kernel
>>>>>> addresses), the kernel's state should not be considered safe for
>>>>>> production use after KUnit tests are run.
>>>>>>
>>>>>> This both marks KUnit modules as test modules using MODULE_INFO() and
>>>>>> manually taints the kernel when tests are run (which catches builtin
>>>>>> tests).
>>>>>>
>>>>>> Acked-by: Luis Chamberlain <mcgrof@kernel.org>
>>>>>> Tested-by: Daniel Latypov <dlatypov@google.com>
>>>>>> Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
>>>>>> Signed-off-by: David Gow <davidgow@google.com>
>>>>>> ---
>>>>>>
>>>>>> No changes since v5:
>>>>>> https://lore.kernel.org/linux-kselftest/20220702040959.3232874-3-davidgow@google.com/
>>>>>>
>>>>>> No changes since v4:
>>>>>> https://lore.kernel.org/linux-kselftest/20220701084744.3002019-3-davidgow@google.com/
>>>>>>
>>>>>
>>>>> David, Brendan, Andrew,
>>>>>
>>>>> Just confirming the status of these patches. I applied v4 1/3 and v4 3/4
>>>>> to linux-kselftest kunit for 5.20-rc1.
>>>>> I am seeing v5 and v6 now. Andrew applied v5 looks like. Would you like
>>>>> me to drop the two I applied? Do we have to refresh with v6?
>>>>
>>>> Just noting here that there'll be a merge conflict between this patch
>>>> (3/4) and some other patches lined up to go through the kunit tree:
>>>> https://patchwork.kernel.org/project/linux-kselftest/patch/20220625050838.1618469-2-davidgow@google.com/
>>>>
>>>> Not sure how we want to handle that.
>>>>
>>>
>>> I can go drop the two patches and have Andrew carry the series through
>>> mm tree.
>>>
>>
>> Sorry spoke too soon. Yes there are others that might have conflicts as
>> Daniel pointed out:
>>
>> https://patchwork.kernel.org/project/linux-kselftest/patch/20220625050838.1618469-2-davidgow@google.com/
>>
>> thanks,
>> -- Shuah
>>
>
> Thanks everyone for pointing these out.
>
> I've rebased the other series (the KUnit module support one:
> https://lore.kernel.org/linux-kselftest/20220709032001.819487-1-davidgow@google.com/
> ) on top of this.
>
> If they all go in via the kselftest/kunit tree, everything should be fine now.
>
> Cheers,
> -- David
>

Thank you David. All patches applied now to linux-kselftest kunit for 5.20-rc1

thanks,
-- Shuah

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