On Sun, Jul 26, 2015 at 02:59:00PM +0200, Ard Biesheuvel wrote: > At boot, the UTF-16 UEFI vendor string is copied from the system > table into a char array with a size of 100 bytes. However, this > size of 100 bytes is also used for memremapping() the source, > which may not be sufficient if the vendor string exceeds 50 > UTF-16 characters, and the placement of the vendor string inside > a 4 KB page happens to leave the end unmapped. > > So use the correct '100 * sizeof(efi_char16_t)' for the size of > the mapping. > > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > --- > Hello Catalin, > > I think this should go into v4.2 with a cc: stable. If it's cc stable, do you have a Fixes: tag? (it saves me some searching). -- Catalin -- 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
