On Thu, Oct 10, 2019 at 10:40:07PM +1100, Aleksa Sarai wrote: > Yeah, it takes about 5-10s on my laptop. We could switch it to just > everything within a 4K block, but the main reason for testing with > 2*PAGE_SIZE is to make sure that check_nonzero_user() works across page > boundaries. Though we could only do check_nonzero_user() in the region > of the page boundary (maybe i E (PAGE_SIZE-512,PAGE_SIZE+512]?) Yeah, I like this idea: just poke at the specific edge-case. -- Kees Cook
