Kees Cook <[email protected]> wrote: > We can't allow the increment from 0 since it violates the intended > use-after-free protections.
I would have thought that the protections would've been against the carry flag getting set. > If "0" means "still valid" then this > sounds like it needs a global +1, as Elena suggested in her reply. This makes it sound like refcount_t is then unsuitable for this. Since I want to overhaul the code to use more RCU and eliminate some of the locking, it might be worth waiting on the patches. David
