upstream commit a9bdd8365684810e3de804f8c51e52c26a5eccbb

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 <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Cc: <[email protected]> # 3.14.x
Cc: <[email protected]> # 3.13.x
---
 net/netfilter/nf_tables_api.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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 },
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to