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SubjectRe: [PATCH] mm/ksm: Fix a null pointer dereference
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Date
> The find_mergeable_vma can return NULL. In this case, it leads
> to crash when we access vma->vm_mm(which's offset is 0x40) in

I suggest to improve the commit message.

* Wording alternative:
to a crash when we access vma->vm_mm (its offset is 0x40) in

* Can a function name be nicer than the information “at 0000000000000040”
in the patch subject?

* Would you like to add the tag “Fixes” to the change description?

Regards,
Markus

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