netdev - [PATCH nf] netfilter: xtables: fix typo causing some targets to not load on IPv6

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Message-Id: <20241020124951.180350-1-pablo@netfilter.org>
Date: Sun, 20 Oct 2024 14:49:51 +0200
From: Pablo Neira Ayuso <pablo@...filter.org>
To: netfilter-devel@...r.kernel.org
Cc: netdev@...r.kernel.org
Subject: [PATCH nf] netfilter: xtables: fix typo causing some targets to not load on IPv6

- There is no NFPROTO_IPV6 family for mark and NFLOG.
- TRACE is also missing module autoload with NFPROTO_IPV6.

This results in ip6tables failing to restore a ruleset. This issue has been
reported by several users providing incomplete patches.

Fixes: 0bfcb7b71e73 ("netfilter: xtables: avoid NFPROTO_UNSPEC where needed")
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/xt_NFLOG.c | 2 +-
 net/netfilter/xt_TRACE.c | 1 +
 net/netfilter/xt_mark.c  | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/xt_NFLOG.c b/net/netfilter/xt_NFLOG.c
index d80abd6ccaf8..6dcf4bc7e30b 100644
--- a/net/netfilter/xt_NFLOG.c
+++ b/net/netfilter/xt_NFLOG.c
@@ -79,7 +79,7 @@ static struct xt_target nflog_tg_reg[] __read_mostly = {
 	{
 		.name       = "NFLOG",
 		.revision   = 0,
-		.family     = NFPROTO_IPV4,
+		.family     = NFPROTO_IPV6,
 		.checkentry = nflog_tg_check,
 		.destroy    = nflog_tg_destroy,
 		.target     = nflog_tg,
diff --git a/net/netfilter/xt_TRACE.c b/net/netfilter/xt_TRACE.c
index f3fa4f11348c..a642ff09fc8e 100644
--- a/net/netfilter/xt_TRACE.c
+++ b/net/netfilter/xt_TRACE.c
@@ -49,6 +49,7 @@ static struct xt_target trace_tg_reg[] __read_mostly = {
 		.target		= trace_tg,
 		.checkentry	= trace_tg_check,
 		.destroy	= trace_tg_destroy,
+		.me		= THIS_MODULE,
 	},
 #endif
 };
diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c
index f76fe04fc9a4..65b965ca40ea 100644
--- a/net/netfilter/xt_mark.c
+++ b/net/netfilter/xt_mark.c
@@ -62,7 +62,7 @@ static struct xt_target mark_tg_reg[] __read_mostly = {
 	{
 		.name           = "MARK",
 		.revision       = 2,
-		.family         = NFPROTO_IPV4,
+		.family         = NFPROTO_IPV6,
 		.target         = mark_tg,
 		.targetsize     = sizeof(struct xt_mark_tginfo2),
 		.me             = THIS_MODULE,
-- 
2.30.2