This is a note to let you know that I've just added the patch titled

netfilter: nf_tables: fix chain filter in nf_tables_dump_rules()

to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: netfilter-nf_tables-fix-chain-filter-in-nf_tables_dump_rules.patch and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Wed Feb 28 16:23:28 CET 2018

From: Pablo Neira Ayuso pablo@netfilter.org Date: Tue, 19 Dec 2017 12:01:21 +0100 Subject: netfilter: nf_tables: fix chain filter in nf_tables_dump_rules()

From: Pablo Neira Ayuso pablo@netfilter.org

[ Upstream commit 24c0df82ef7919e4d10cf2e4e65d368eb2e8ea21 ]

ctx->chain may be null now that we have very large object names, so we cannot check for ctx->chain[0] here.

Fixes: b7263e071aba7 ("netfilter: nf_tables: Allow table names of up to 255 chars") Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Acked-by: Phil Sutter phil@nwl.cc Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/netfilter/nf_tables_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2072,7 +2072,7 @@ static int nf_tables_dump_rules(struct s continue;

list_for_each_entry_rcu(chain, &table->chains, list) { - if (ctx && ctx->chain[0] && + if (ctx && ctx->chain && strcmp(ctx->chain, chain->name) != 0) continue;

Patches currently in stable-queue which might be from pablo@netfilter.org are

queue-4.14/netfilter-uapi-correct-untracked-conntrack-state-bit-number.patch queue-4.14/netfilter-nf_tables-fix-chain-filter-in-nf_tables_dump_rules.patch queue-4.14/netfilter-nf_tables-fix-potential-null-ptr-deref-in-nf_tables_dump_obj_done.patch