Commit 860e8742 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

netfilter: nft_last: copy content when cloning expression 



If the ruleset contains last timestamps, restore them accordingly.
Otherwise, listing after restoration shows never used items.

Fixes: 33a24de3 ("netfilter: nft_last: move stateful fields out of expression data")
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 2067e7a0

net/netfilter/nft_last.c

+4 −0
Original line number Diff line number Diff line
@@ -105,11 +105,15 @@ static void nft_last_destroy(const struct nft_ctx *ctx, 
static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src)

{

	struct nft_last_priv *priv_dst = nft_expr_priv(dst);

	struct nft_last_priv *priv_src = nft_expr_priv(src);



	priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC);

	if (!priv_dst->last)

		return -ENOMEM;



	priv_dst->last->set = priv_src->last->set;

	priv_dst->last->jiffies = priv_src->last->jiffies;



	return 0;

}