Messages in this thread | | | Date | Mon, 13 Jan 2014 21:17:37 +0800 | From | Dave Young <> | Subject | Re: [PATCH 4/4] efi: Make efi virtual runtime map passing more robust |
| |
On Mon, Jan 13, 2014 at 11:27:34AM +0100, Borislav Petkov wrote: > On Mon, Jan 13, 2014 at 01:40:39PM +0800, Dave Young wrote: > > Adding a safeguard check for desc_size is better though currently it's > > impossible for the desc_size > PAGE_SIZE? > > Huh, what? > > sizeof(efi_memory_desc_t) is only 40 bytes AFAICT.
I know this is nearly impossible, but is there possible for some corrupted desc_size value or firmware bug? who knows...
Thanks Dave
| |