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SubjectRe: [PATCH 2/2] selftests/lkdtm: add config
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Hi Kees,

Any thoughts?

On 3/15/22 4:55 PM, Muhammad Usama Anjum wrote:
> On 3/10/22 10:22 PM, Muhammad Usama Anjum wrote:
>> On 3/10/22 12:23 AM, Kees Cook wrote:
>>> On Fri, Feb 18, 2022 at 01:56:20AM +0500, Muhammad Usama Anjum wrote:
>>>> Add config option which is needed for SLAB_LINEAR_OVERFLOW test. It
>>>> needs KASAN enabled.
>>>
>>> I'd prefer this use the SLAB_DEBUG options -- KASAN is very heavy.
>> I'll test it out and update in the next patch version.
>> I've tested by removing KASAN and adding the following config:
> CONFIG_SLAB=y
> CONFIG_DEBUG_SLAB=y
>
> The result of SLAB_LINEAR_OVERFLOW test doesn't remain deterministic in
> this config. The task never crashes and hence stack trace never appears.
> When executed several times we get "Slab corruption" logs and after some
> more tries whole kernel crashes. I've not used DEBUG_SLAB before and not
> sure if this is the expected behavior. If we aren't sure, we can keep
> KASAN turned on instead.
>

--
Muhammad Usama Anjum

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