3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pablo Neira Ayuso <pa...@netfilter.org>
commit d6b6cb1d3e6f78d55c2d4043d77d0d8def3f3b99 upstream.
If there's an existing base chain, we have to allow to change the
default policy without indicating the hook information.
However, if the chain doesn't exists, we have to enforce the presence of
the hook attribute.
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -855,7 +855,10 @@ static int nf_tables_newchain(struct soc
if (nla[NFTA_CHAIN_POLICY]) {
if ((chain != NULL &&
- !(chain->flags & NFT_BASE_CHAIN)) ||
+ !(chain->flags & NFT_BASE_CHAIN)))
+ return -EOPNOTSUPP;
+
+ if (chain == NULL &&
nla[NFTA_CHAIN_HOOK] == NULL)
return -EOPNOTSUPP;
--
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