6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> commit efefd4f00c967d00ad7abe092554ffbb70c1a793 upstream. Add missing decorator type to lookup expression and tighten WARN_ON_ONCE check in pipapo to spot earlier that this is unset. Fixes: 29b359cf6d95 ("netfilter: nft_set_pipapo: walk over current view on netlink dump") Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/netfilter/nft_lookup.c | 1 + net/netfilter/nft_set_pipapo.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -211,6 +211,7 @@ static int nft_lookup_validate(const str return 0; iter.genmask = nft_genmask_next(ctx->net); + iter.type = NFT_ITER_UPDATE; iter.skip = 0; iter.count = 0; iter.err = 0; --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -2046,7 +2046,8 @@ static void nft_pipapo_walk(const struct const struct nft_pipapo_field *f; int i, r; - WARN_ON_ONCE(iter->type == NFT_ITER_UNSPEC); + WARN_ON_ONCE(iter->type != NFT_ITER_READ && + iter->type != NFT_ITER_UPDATE); rcu_read_lock(); if (iter->type == NFT_ITER_READ)