This is a note to let you know that I've just added the patch titled
netfilter: nf_tables: missing iterator type in lookup walk
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
netfilter-nf_tables-missing-iterator-type-in-lookup-.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit eda3ba19371abd3591e25adebf7f16d478e57dcb
Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Wed Apr 17 17:43:01 2024 +0200
netfilter: nf_tables: missing iterator type in lookup walk
[ Upstream commit efefd4f00c967d00ad7abe092554ffbb70c1a793 ]
Add missing decorator type to lookup expression and tighten WARN_ON_ONCE
check in pipapo to spot earlier that this is unset.
Fixes: 29b359cf6d95 ("netfilter: nft_set_pipapo: walk over current view on netlink dump")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index 870e5b113d13e..87c18eddb0689 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -216,6 +216,7 @@ static int nft_lookup_validate(const struct nft_ctx *ctx,
return 0;
iter.genmask = nft_genmask_next(ctx->net);
+ iter.type = NFT_ITER_UPDATE;
iter.skip = 0;
iter.count = 0;
iter.err = 0;
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 979b5e80c400b..c91efad49c6d5 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -2048,7 +2048,8 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set,
const struct nft_pipapo_field *f;
int i, r;
- WARN_ON_ONCE(iter->type == NFT_ITER_UNSPEC);
+ WARN_ON_ONCE(iter->type != NFT_ITER_READ &&
+ iter->type != NFT_ITER_UPDATE);
rcu_read_lock();
if (iter->type == NFT_ITER_READ)
