On Sat, Jul 17, 2021 at 02:43:26PM +0000, Trond Myklebust wrote: > On Sat, 2021-07-17 at 18:18 +0800, Xiyu Yang wrote: > > refcount_t type and corresponding API can protect refcounters from > > accidental underflow and overflow and further use-after-free > > situations. > > > > Have you tested this patch? As far as I remember, the reason why we > never converted is that refcount_inc() gets upset and WARNs when you > bump a zero refcount, like we do very much on purpose in > rpc_free_auth(). Is that no longer the case? It is still the case, they sent gazillion conversion patches with same mistake. Thanks > > > -- > Trond Myklebust > Linux NFS client maintainer, Hammerspace > trond.myklebust@xxxxxxxxxxxxxxx > >