netfilter: nft_compat: reject unused compat flag
authorPablo Neira Ayuso <pablo@netfilter.org>
Thu, 1 Feb 2024 22:33:29 +0000 (23:33 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Feb 2024 18:10:51 +0000 (19:10 +0100)
commitb3f2e143eb306b4f23162b02a71f8efd47e3b5a7
treeeafa8435416596683c1da252227b7b4cd915c8c6
parent6a64b8293506202ecff23cd44fc1834348f5145f
netfilter: nft_compat: reject unused compat flag

[ Upstream commit 292781c3c5485ce33bd22b2ef1b2bed709b4d672 ]

Flag (1 << 0) is ignored is set, never used, reject it it with EINVAL
instead.

Fixes: 0ca743a55991 ("netfilter: nf_tables: add compatibility layer for x_tables")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
include/uapi/linux/netfilter/nf_tables.h
net/netfilter/nft_compat.c