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    SubjectRe: [PATCH] Make LIST_POISON less deadly (v3)
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    Avi Kivity <avi@qumranet.com> writes:
    >
    > +config ILLEGAL_POINTER_VALUE
    > + hex
    > + default 0 if X86_32
    > + default 0xffffc10000000000 if X86_64

    Don't make it exactly 0xffffc10000000000 but 0xffffc10000000000 + 0x1000000
    or so, otherwise list_entry() users which subtract offsets would still
    end up in user space and there might be actually something in there
    by default.

    -Andi



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