On Mon, Sep 19, 2016 at 12:10:27PM +0200, Johannes Berg wrote: > Btw, for debug I put > > BUG_ON(atomic_read(&ht->nelems) < 0); > > after the atomic_dec() in __rhashtable_remove_fast_one(). That makes > the kernel crash instantly on the buggy code, and I just have to run a > single test ("wpas_ctrl_interface_add_many") to get there. Aha I see the problem now. The nelems logic on remove is broken. I'll send out a v3. Thanks! -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt