On 15.08.2018 23:56, Kees Cook wrote: > On Wed, Aug 15, 2018 at 1:18 PM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >> I absolutely refuse to take any hardening patches at all that have >> BUG() or panic() or similar machine-killing in it. > > Okay, mental model adjusted. :) It was only "strong discouraged" until now. I've just got the insight, how to avoid having BUG_ON() in stackleak_erase(). If 'task_struct.lowest_stack' is corrupted, we can erase once starting from the stack bottom and reset the 'lowest_stack' value. >> I care not one whit about the reason for them. In fact, if the reason >> is stated as "it makes debugging easiler", then I fart in your general >> direction and call your mother a hamster. That is plain harassment. I ask to *stop* it! -- Alexander
