* [PATCH nf,v2] netfilter: nft_dynset: fix timeouts later than 23 days
@ 2020-12-08 18:06 Pablo Neira Ayuso
0 siblings, 0 replies; only message in thread
From: Pablo Neira Ayuso @ 2020-12-08 18:06 UTC (permalink / raw)
To: netfilter-devel
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>
---
v2: fix patch subject and incorrect reference to nf_msecs_to_jiffies and
nf_jiffies_to_msecs.
include/net/netfilter/nf_tables.h | 4 ++++
net/netfilter/nf_tables_api.c | 4 ++--
net/netfilter/nft_dynset.c | 6 +++---
3 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 55b4cadf290a..c1c0a4ff92ae 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -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 */
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 23abf1578594..c2f59879a48d 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3719,7 +3719,7 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set,
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));
}
diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c
index 64ca13a1885b..d78831393bf9 100644
--- a/net/netfilter/nft_dynset.c
+++ b/net/netfilter/nft_dynset.c
@@ -157,8 +157,8 @@ 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])));
+ timeout = nf_msecs_to_jiffies64(be64_to_cpu(
+ nla_get_be64(tb[NFTA_DYNSET_TIMEOUT])));
}
priv->sreg_key = nft_parse_register(tb[NFTA_DYNSET_SREG_KEY]);
@@ -267,7 +267,7 @@ 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)),
+ cpu_to_be64(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))
--
2.20.1
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