* [PATCH AUTOSEL 5.15 4/5] netfilter: nf_tables: disallow timeout for anonymous sets
[not found] <20230629190158.908169-1-sashal@kernel.org>
@ 2023-06-29 19:01 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2023-06-29 19:01 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Pablo Neira Ayuso, Sasha Levin, kadlec, fw, davem, edumazet, kuba,
pabeni, netfilter-devel, coreteam, netdev
From: Pablo Neira Ayuso <pablo@netfilter.org>
[ Upstream commit e26d3009efda338f19016df4175f354a9bd0a4ab ]
Never used from userspace, disallow these parameters.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/netfilter/nf_tables_api.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 35b9f74f0bc61..72f206b591a6a 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4491,6 +4491,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
if (!(flags & NFT_SET_TIMEOUT))
return -EINVAL;
+ if (flags & NFT_SET_ANONYMOUS)
+ return -EOPNOTSUPP;
+
err = nf_msecs_to_jiffies64(nla[NFTA_SET_TIMEOUT], &desc.timeout);
if (err)
return err;
@@ -4499,6 +4502,10 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
if (nla[NFTA_SET_GC_INTERVAL] != NULL) {
if (!(flags & NFT_SET_TIMEOUT))
return -EINVAL;
+
+ if (flags & NFT_SET_ANONYMOUS)
+ return -EOPNOTSUPP;
+
desc.gc_int = ntohl(nla_get_be32(nla[NFTA_SET_GC_INTERVAL]));
}
--
2.39.2
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2023-06-29 19:01 ` [PATCH AUTOSEL 5.15 4/5] netfilter: nf_tables: disallow timeout for anonymous sets Sasha Levin
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