linux-kernel - [PATCH v3] netfilter: xtables: fix a bunch of typos causing some targets to not load on IPv6

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Message-Id: <20241019-xtables-typos-v3-1-66dd2eaacf2f@0upti.me>
Date: Sat, 19 Oct 2024 21:18:38 +0300
From: Ilya Katsnelson <me@...ti.me>
To: Pablo Neira Ayuso <pablo@...filter.org>, 
 Jozsef Kadlecsik <kadlec@...filter.org>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Florian Westphal <fw@...len.de>, Sasha Levin <sashal@...nel.org>
Cc: netfilter-devel@...r.kernel.org, coreteam@...filter.org, 
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, ignat@...udflare.com, 
 stable@...r.kernel.org, Phil Sutter <phil@....cc>, 
 Ilya Katsnelson <me@...ti.me>
Subject: [PATCH v3] netfilter: xtables: fix a bunch of typos causing some
 targets to not load on IPv6

The xt_NFLOG and xt_MARK changes were added with the wrong family
in 0bfcb7b71e73, which seems to just have been a typo,
but now ip6tables rules with --set-mark don't work anymore,
which is pretty bad.

Pablo spotted another typo introduced in the same commit in xt_TRACE.

Fixes: 0bfcb7b71e73 ("netfilter: xtables: avoid NFPROTO_UNSPEC where needed")
Reviewed-by: Phil Sutter <phil@....cc>
Signed-off-by: Ilya Katsnelson <me@...ti.me>
---
Changes in v3:
- Fix another typo spotted by Pablo, adjust text accordingly.
- CCing stable because it's a pretty bad regression.
- Link to v2: https://lore.kernel.org/r/20241019-xtables-typos-v2-1-6b8b1735dc8e@0upti.me

Changes in v2:
- Fixed a typo in the commit message (that's karma).
- Replaced a reference to backport commit.
- Link to v1: https://lore.kernel.org/r/20241018-xtables-typos-v1-1-02a51789c0ec@0upti.me
---
 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 d80abd6ccaf8f71fa70605fef7edada827a19ceb..6dcf4bc7e30b2ae364a1cd9ac8df954a90905c52 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 f3fa4f11348cd8ad796ce94f012cd48aa7a9020f..2a029b4adbcadf95e493b153f613a210624a9101 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 f76fe04fc9a4e19f18ac323349ba6f22a00eafd7..65b965ca40ea7ea5d9feff381b433bf267a424c4 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,

---
base-commit: 75aa74d52f43e75d0beb20572f98529071b700e5
change-id: 20241018-xtables-typos-dfeadb8b122d

Best regards,
-- 
Ilya Katsnelson <me@...ti.me>