On Tue, Jan 16, 2018 at 02:08:32PM +0000, Mark Rutland wrote: > Currently the arm/arm64 runtime code registers the runtime servies > pagetables with ptdump regardless of whether runtime services page > tables have been created. > > As efi_mm.pgd is NULL in these cases, attempting to dump the efi page > tables results in a NULL pointer dereference in the ptdump code: Acked-by: Will Deacon <will.deacon@xxxxxxx> Ard -- please can you pick this one up? Cheers, Will -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html