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Message-Id: <20190502143341.459702817@linuxfoundation.org>
Date: Thu, 2 May 2019 17:20:27 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Máté Eckl <ecklm94@...il.com>,
Taehee Yoo <ap420073@...il.com>,
Randy Dunlap <rdunlap@...radead.org>,
Stephen Rothwell <sfr@...b.auug.org.au>,
Arnd Bergmann <arnd@...db.de>,
Pablo Neira Ayuso <pablo@...filter.org>,
"Sasha Levin (Microsoft)" <sashal@...nel.org>
Subject: [PATCH 5.0 025/101] netfilter: fix NETFILTER_XT_TARGET_TEE dependencies
[ Upstream commit d1fa381033eb718df5c602f64b6e88676138dfc6 ]
With NETFILTER_XT_TARGET_TEE=y and IP6_NF_IPTABLES=m, we get a link
error when referencing the NF_DUP_IPV6 module:
net/netfilter/xt_TEE.o: In function `tee_tg6':
xt_TEE.c:(.text+0x14): undefined reference to `nf_dup_ipv6'
The problem here is the 'select NF_DUP_IPV6 if IP6_NF_IPTABLES'
that forces NF_DUP_IPV6 to be =m as well rather than setting it
to =y as was intended here. Adding a soft dependency on
IP6_NF_IPTABLES avoids that broken configuration.
Fixes: 5d400a4933e8 ("netfilter: Kconfig: Change select IPv6 dependencies")
Cc: Máté Eckl <ecklm94@...il.com>
Cc: Taehee Yoo <ap420073@...il.com>
Link: https://patchwork.ozlabs.org/patch/999498/
Link: https://lore.kernel.org/patchwork/patch/960062/
Reported-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Sasha Levin (Microsoft) <sashal@...nel.org>
---
net/netfilter/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index beb3a69ce1d4..0f0e5806bf77 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -995,6 +995,7 @@ config NETFILTER_XT_TARGET_TEE
depends on NETFILTER_ADVANCED
depends on IPV6 || IPV6=n
depends on !NF_CONNTRACK || NF_CONNTRACK
+ depends on IP6_NF_IPTABLES || !IP6_NF_IPTABLES
select NF_DUP_IPV4
select NF_DUP_IPV6 if IP6_NF_IPTABLES
---help---
--
2.19.1
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