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? -- Trond Myklebust Linux NFS client maintainer, Hammerspace trond.myklebust@xxxxxxxxxxxxxxx
