On 2019-10-11 6:02 am, Greg Kroah-Hartman wrote:
On Thu, Oct 10, 2019 at 03:28:28PM -0700, Kees Cook wrote:
As we've seen from USB and other areas[1], we need to always do runtime
checks for DMA operating on memory regions that might be remapped. This
adds vmap checks (similar to those already i
On Thu, Oct 10, 2019 at 03:28:28PM -0700, Kees Cook wrote:
> As we've seen from USB and other areas[1], we need to always do runtime
> checks for DMA operating on memory regions that might be remapped. This
> adds vmap checks (similar to those already in USB but missing in other
> places) into dma_