> On Nov 10, 2017, at 8:36 AM, Hector Martin 'marcan' <mar...@marcan.st> wrote: > >> On 2017-11-11 01:02, Hector Martin 'marcan' wrote: >> Not entirely sure what's going on here. > > Actually, if you think about it, it doesn't matter that it skips the > first page, since it's probing one page more. That just means the caller > will have probed the previous page. So ultimately you're just probing > ahead of where you need to, but that should be OK. >
The whole point is to touch the stack pages in order. Also, I see no guarantee that the function would touch the intermediate page before clobbering the probed page. You're seeing exactly that behavior, in fact. > -- > Hector Martin "marcan" (mar...@marcan.st) > Public Key: https://mrcn.st/pub
