Hi Florian, One more question: On Mon, May 13, 2024 at 03:00:42PM +0200, Florian Westphal wrote: [...] > @@ -1621,12 +1620,23 @@ static inline int nft_set_elem_is_dead(const struct nft_set_ext *ext) > */ > struct nft_trans { > struct list_head list; > - struct list_head binding_list; > int msg_type; > bool put_net; > struct nft_ctx ctx; > }; > > +/** > + * struct nft_trans_binding - nf_tables object with binding support in transaction > + * @nft_trans: base structure, MUST be first member This comment says nft_trans MUST be first. I can add BUILD_BUG_ON for all nft_trans_* objects to check that nft_trans always comes first (ie. this comes at offset 0 in this structure). Thanks.