Re: [External] Re: [PATCH v2] mm/ksm: Fix NULL pointer dereference when KSM zero page is enabled

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On Tue, Apr 14, 2020 at 5:17 PM Markus Elfring <Markus.Elfring@xxxxxx> wrote:
>
> > to crash when we access vma->vm_mm(its offset is 0x40) later in
>
> Will another fine-tuning become relevant also for this wording?
>

Sorry, I don't understand what this means because of my poor English.
Could you explain it again. Thanks.

>
> > following calltrace is captured in kernel 4.19 with KSM zero page
>
> Can the mentioned Linux version trigger any special software
> development concerns?
>
> Will any other tags become helpful in such a case?

How about changing
    "following calltrace is captured in kernel 4.19 with KSM zero page"
to
   "The following calltrace is captured with the following patch applied:
       e86c59b1b12d ("mm/ksm: improve deduplication of zero pages with
colouring")
    "
?

-- 
Yours,
Muchun




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