Re: [PATCH v1 8/8] virtio-mem: kdump mode to sanitize /proc/vmcore access

[David Hildenbrand <david@xxxxxxxxxx>]

[...]

> +
> +static bool virtio_mem_vmcore_pfn_is_ram(struct vmcore_cb *cb,
> +					 unsigned long pfn)
> +{
> +	struct virtio_mem *vm = container_of(cb, struct virtio_mem,
> +					     vmcore_cb);
> +	uint64_t addr = PFN_PHYS(pfn);
> +	bool is_ram;
> +	int rc;
> +
> +	if (!virtio_mem_contains_range(vm, addr, addr + PAGE_SIZE))

Some more testing revealed that this has to be

if (!virtio_mem_contains_range(vm, addr, PAGE_SIZE))


--
Thanks,

David / dhildenb