From aabef97a35160461e9c576848ded737558d89055 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 28 Feb 2023 20:43:02 +0100 Subject: [PATCH] netfilter: nft_quota: copy content when cloning expression If the ruleset contains consumed quota, restore them accordingly. Otherwise, listing after restoration shows never used items. Restore the user-defined quota and flags too. Fixes: ed0a0c60f0e5 ("netfilter: nft_quota: move stateful fields out of expression data") Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nft_quota.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nft_quota.c b/net/netfilter/nft_quota.c index 123578e..3ba12a7 100644 --- a/net/netfilter/nft_quota.c +++ b/net/netfilter/nft_quota.c @@ -236,12 +236,16 @@ static void nft_quota_destroy(const struct nft_ctx *ctx, static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src) { struct nft_quota *priv_dst = nft_expr_priv(dst); + struct nft_quota *priv_src = nft_expr_priv(src); + + priv_dst->quota = priv_src->quota; + priv_dst->flags = priv_src->flags; priv_dst->consumed = kmalloc(sizeof(*priv_dst->consumed), GFP_ATOMIC); if (!priv_dst->consumed) return -ENOMEM; - atomic64_set(priv_dst->consumed, 0); + *priv_dst->consumed = *priv_src->consumed; return 0; } -- 2.7.4