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    SubjectRe: [PATCH] mm/nommu.c - return 0 from kobjsize with invalid objects
    Robin Getz <> wrote:

    > + if (!objp || !((page = virt_to_page(objp))) || (unsigned long)objp >= memory_end)

    You should probably do the additional test before calling virt_to_page(), just
    in case the illegal value you've rejected would otherwise break virt_to_page()
    (not very likely, but...). For valid addresses, you've got to do all the
    tests anyway.


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      Last update: 2008-04-22 23:39    [W:0.020 / U:14.840 seconds]
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