From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org,
pabeni@redhat.com, edumazet@google.com, fw@strlen.de
Subject: [PATCH net 01/13] netfilter: nf_tables: reject invalid set policy
Date: Thu, 18 Jan 2024 17:17:14 +0100 [thread overview]
Message-ID: <20240118161726.14838-2-pablo@netfilter.org> (raw)
In-Reply-To: <20240118161726.14838-1-pablo@netfilter.org>
Report -EINVAL in case userspace provides a unsupported set backend
policy.
Fixes: c50b960ccc59 ("netfilter: nf_tables: implement proper set selection")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 8438a8922e4a..a90a364f5be5 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5048,8 +5048,16 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
}
desc.policy = NFT_SET_POL_PERFORMANCE;
- if (nla[NFTA_SET_POLICY] != NULL)
+ if (nla[NFTA_SET_POLICY] != NULL) {
desc.policy = ntohl(nla_get_be32(nla[NFTA_SET_POLICY]));
+ switch (desc.policy) {
+ case NFT_SET_POL_PERFORMANCE:
+ case NFT_SET_POL_MEMORY:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ }
if (nla[NFTA_SET_DESC] != NULL) {
err = nf_tables_set_desc_parse(&desc, nla[NFTA_SET_DESC]);
--
2.30.2
next prev parent reply other threads:[~2024-01-18 16:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-18 16:17 [PATCH net,v2 00/13] Netfilter fixes for net Pablo Neira Ayuso
2024-01-18 16:17 ` Pablo Neira Ayuso [this message]
2024-01-18 21:10 ` [PATCH net 01/13] netfilter: nf_tables: reject invalid set policy patchwork-bot+netdevbpf
2024-01-18 16:17 ` [PATCH net 02/13] netfilter: nf_tables: validate .maxattr at expression registration Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 03/13] netfilter: nf_tables: bail out if stateful expression provides no .clone Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 04/13] netfilter: nft_limit: do not ignore unsupported flags Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 05/13] netfilter: nfnetlink_log: use proper helper for fetching physinif Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 06/13] netfilter: nf_queue: remove excess nf_bridge variable Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 07/13] netfilter: propagate net to nf_bridge_get_physindev Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 08/13] netfilter: bridge: replace physindev with physinif in nf_bridge_info Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 09/13] netfilter: nf_tables: check if catch-all set element is active in next generation Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 10/13] netfilter: nf_tables: do not allow mismatch field size and set key length Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 11/13] netfilter: nf_tables: skip dead set elements in netlink dump Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 12/13] netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description Pablo Neira Ayuso
2024-01-18 16:17 ` [PATCH net 13/13] ipvs: avoid stat macros calls from preemptible context Pablo Neira Ayuso
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240118161726.14838-2-pablo@netfilter.org \
--to=pablo@netfilter.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=fw@strlen.de \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=netfilter-devel@vger.kernel.org \
--cc=pabeni@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).