Re: [CHECKER] pcmcia user-pointer dereference

[Alan Cox (alan@lxorguk.ukuu.org.uk)]

On Iau, 2003-05-29 at 22:36, David Hinds wrote:
> The map_mem_page ioctl can only be used by root.  The get_*_window
> ioctl's can't corrupt anything because they, like get_mem_page, only
> read the target data structures.

Which if the passed address is something like a PCI DMA trigger register
isn't going to be too pretty

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