Sasha Levin sashal@kernel.org wrote:

• if (WARN_ON_ONCE(!nft_is_base_chain(ctx->chain)))

• return false;
  

This WARN will fire unless you also pick up a67fd55f6a09 ("netfilter: nf_tables: remove redundant chain validation on register store")

Alternatively, drop the WARN: "if (!nft_is_base_chain...".