Re: [PATCH v6 3/4] kunit: Taint the kernel when KUnit tests are run

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On Fri, Jul 8, 2022 at 1:22 PM Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxx>
> > Tested-by: Daniel Latypov <dlatypov@xxxxxxxxxx>
> > Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
> > Signed-off-by: David Gow <davidgow@xxxxxxxxxx>
> > ---
> >
> > No changes since v5:
> > https://lore.kernel.org/linux-kselftest/20220702040959.3232874-3-davidgow@xxxxxxxxxx/
> >
> > No changes since v4:
> > https://lore.kernel.org/linux-kselftest/20220701084744.3002019-3-davidgow@xxxxxxxxxx/
> >
>
> 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@xxxxxxxxxx/

Not sure how we want to handle that.

Daniel



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