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    SubjectRe: [kernel-hardening] [RFC V2 3/6] lib: vsprintf: physical address kernel pointer filtering options
    On Sun, Oct 01, 2017 at 11:06:47AM +1100, Tobin C. Harding wrote:
    > Add the kptr_restrict setting of 4 which results in %pa and
    > %p[rR] values being cleansed.
    >
    > Address types printed with %pa are replaced by zeros. Resources printed
    > with %p[rR] have the starting address replaced by zeros, resource size
    > is still shown.
    >
    > Signed-off-by: Tobin C. Harding <me@tobin.cc>

    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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