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netfilter: nft_dynset: fix timeouts later than 23 days
authorPablo Neira Ayuso <pablo@netfilter.org>
Tue, 8 Dec 2020 17:25:53 +0000 (18:25 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Tue, 8 Dec 2020 19:42:11 +0000 (20:42 +0100)
Use nf_msecs_to_jiffies64 and nf_jiffies64_to_msecs as provided by
8e1102d5a159 ("netfilter: nf_tables: support timeouts larger than 23
days"), otherwise ruleset listing breaks.

Fixes: a8b1e36d0d1d ("netfilter: nft_dynset: fix element timeout for HZ != 1000")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
include/net/netfilter/nf_tables.h
net/netfilter/nf_tables_api.c
net/netfilter/nft_dynset.c

index 55b4cad..c1c0a4f 100644 (file)
@@ -1524,4 +1524,8 @@ void __init nft_chain_route_init(void);
 void nft_chain_route_fini(void);
 
 void nf_tables_trans_destroy_flush_work(void);
+
+int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result);
+__be64 nf_jiffies64_to_msecs(u64 input);
+
 #endif /* _NET_NF_TABLES_H */
index 23abf15..c2f5987 100644 (file)
@@ -3719,7 +3719,7 @@ cont:
        return 0;
 }
 
-static int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result)
+int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result)
 {
        u64 ms = be64_to_cpu(nla_get_be64(nla));
        u64 max = (u64)(~((u64)0));
@@ -3733,7 +3733,7 @@ static int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result)
        return 0;
 }
 
-static __be64 nf_jiffies64_to_msecs(u64 input)
+__be64 nf_jiffies64_to_msecs(u64 input)
 {
        return cpu_to_be64(jiffies64_to_msecs(input));
 }
index 64ca13a..9af4f93 100644 (file)
@@ -157,8 +157,10 @@ static int nft_dynset_init(const struct nft_ctx *ctx,
        if (tb[NFTA_DYNSET_TIMEOUT] != NULL) {
                if (!(set->flags & NFT_SET_TIMEOUT))
                        return -EINVAL;
-               timeout = msecs_to_jiffies(be64_to_cpu(nla_get_be64(
-                                               tb[NFTA_DYNSET_TIMEOUT])));
+
+               err = nf_msecs_to_jiffies64(tb[NFTA_DYNSET_TIMEOUT], &timeout);
+               if (err)
+                       return err;
        }
 
        priv->sreg_key = nft_parse_register(tb[NFTA_DYNSET_SREG_KEY]);
@@ -267,7 +269,7 @@ static int nft_dynset_dump(struct sk_buff *skb, const struct nft_expr *expr)
        if (nla_put_string(skb, NFTA_DYNSET_SET_NAME, priv->set->name))
                goto nla_put_failure;
        if (nla_put_be64(skb, NFTA_DYNSET_TIMEOUT,
-                        cpu_to_be64(jiffies_to_msecs(priv->timeout)),
+                        nf_jiffies64_to_msecs(priv->timeout),
                         NFTA_DYNSET_PAD))
                goto nla_put_failure;
        if (priv->expr && nft_expr_dump(skb, NFTA_DYNSET_EXPR, priv->expr))