netdev - Re: [PATCH net-next 1/3] ovpn: properly deconfigure UDP-tunnel

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Message-ID: <202505221029.XIguAT57-lkp@intel.com>
Date: Thu, 22 May 2025 10:39:12 +0800
From: kernel test robot <lkp@...el.com>
To: Antonio Quartulli <antonio@...nvpn.net>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Sabrina Dubroca <sd@...asysnail.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Antonio Quartulli <antonio@...nvpn.net>,
	Willem de Bruijn <willemdebruijn.kernel@...il.com>,
	Simon Horman <horms@...nel.org>, David Ahern <dsahern@...nel.org>,
	Oleksandr Natalenko <oleksandr@...alenko.name>
Subject: Re: [PATCH net-next 1/3] ovpn: properly deconfigure UDP-tunnel

Hi Antonio,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Antonio-Quartulli/ovpn-properly-deconfigure-UDP-tunnel/20250521-081355
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250520233937.5161-2-antonio%40openvpn.net
patch subject: [PATCH net-next 1/3] ovpn: properly deconfigure UDP-tunnel
config: sparc-randconfig-001-20250522 (https://download.01.org/0day-ci/archive/20250522/202505221029.XIguAT57-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250522/202505221029.XIguAT57-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505221029.XIguAT57-lkp@intel.com/

All errors (new ones prefixed by >>):

   sparc-linux-ld: net/ipv4/udp_tunnel_core.o: in function `cleanup_udp_tunnel_sock':
>> net/ipv4/udp_tunnel_core.c:122:(.text+0x880): undefined reference to `udpv6_encap_disable'


vim +122 net/ipv4/udp_tunnel_core.c

   100	
   101	void cleanup_udp_tunnel_sock(struct sock *sk)
   102	{
   103		/* Re-enable multicast loopback */
   104		inet_set_bit(MC_LOOP, sk);
   105	
   106		/* Disable CHECKSUM_UNNECESSARY to CHECKSUM_COMPLETE conversion */
   107		inet_dec_convert_csum(sk);
   108	
   109		rcu_assign_sk_user_data(sk, NULL);
   110	
   111		udp_sk(sk)->encap_type = 0;
   112		udp_sk(sk)->encap_rcv = NULL;
   113		udp_sk(sk)->encap_err_rcv = NULL;
   114		udp_sk(sk)->encap_err_lookup = NULL;
   115		udp_sk(sk)->encap_destroy = NULL;
   116		udp_sk(sk)->gro_receive = NULL;
   117		udp_sk(sk)->gro_complete = NULL;
   118	
   119		udp_clear_bit(ENCAP_ENABLED, sk);
   120	#if IS_ENABLED(CONFIG_IPV6)
   121		if (READ_ONCE(sk->sk_family) == PF_INET6)
 > 122			udpv6_encap_disable();
   123	#endif
   124		udp_encap_disable();
   125		udp_tunnel_cleanup_gro(sk);
   126	}
   127	EXPORT_SYMBOL_GPL(cleanup_udp_tunnel_sock);
   128	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki