Re: [PATCH] Make LIST_POISON less deadly (v3)

[Andi Kleen]

Avi Kivity <avi@xxxxxxxxxxxx> 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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