Re: Security fix for remapping of page 0 (was [PATCH] Change ZERO_SIZE_PTRto point at unmapped space)

[Rik van Riel]

Christoph Lameter wrote:
> We could just move the check for mmap_min_addr out from
> CONFIG_SECURITY?
>
>
> Use mmap_min_addr indepedently of security models
>
> This patch removes the dependency of mmap_min_addr on CONFIG_SECURITY.
> It also sets a default mmap_min_addr of 4096.
>
> mmapping of addresses below 4096 will only be possible for processes
> with CAP_SYS_RAWIO.
>
>
> Signed-off-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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