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authorPablo Neira Ayuso <pablo@netfilter.org>2014-03-24 15:10:37 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2014-04-03 23:52:44 +0200
commita9bdd8365684810e3de804f8c51e52c26a5eccbb (patch)
tree543e8c601e5227755ef741b85705cd8561f1b247 /net
parent223b02d923ecd7c84cf9780bb3686f455d279279 (diff)
downloadop-kernel-dev-a9bdd8365684810e3de804f8c51e52c26a5eccbb.zip
op-kernel-dev-a9bdd8365684810e3de804f8c51e52c26a5eccbb.tar.gz
netfilter: nf_tables: set names cannot be larger than 15 bytes
Currently, nf_tables trims off the set name if it exceeeds 15 bytes, so explicitly reject set names that are too large. Reported-by: Giuseppe Longo <giuseppelng@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_tables_api.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 33045a5..43ae487 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1946,7 +1946,8 @@ static const struct nft_set_ops *nft_select_set_ops(const struct nlattr * const
static const struct nla_policy nft_set_policy[NFTA_SET_MAX + 1] = {
[NFTA_SET_TABLE] = { .type = NLA_STRING },
- [NFTA_SET_NAME] = { .type = NLA_STRING },
+ [NFTA_SET_NAME] = { .type = NLA_STRING,
+ .len = IFNAMSIZ - 1 },
[NFTA_SET_FLAGS] = { .type = NLA_U32 },
[NFTA_SET_KEY_TYPE] = { .type = NLA_U32 },
[NFTA_SET_KEY_LEN] = { .type = NLA_U32 },
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