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    SubjectRe: GRU driver feedback

    Whoops:

    >
    > - In gru_fault, I don't think you've validated the size of the vma, and it
    > definitely seems like you haven't taken offset into the vma into account
    > either. remap_pfn_range etc should probably validate the former because I'm
    > sure this isn't the only driver that might get it wrong. The latter can't
    > really be detected though. Please fix or make it more obviously correct (eg
    > a comment).

    ZZZ
    s/ZZZ/fixed/



    --- jack


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