Re: [PATCH net-next 2/2] net: geneve: enable local address bind for geneve sockets

[kernel test robot <lkp@intel.com>]

Hi Richard,

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/Richard-Gobert/net-vxlan-enable-local-address-bind-for-vxlan-sockets/20240223-045600
base:   net-next/main
patch link:    https://lore.kernel.org/r/79a8ba83-86bf-4c22-845c-8f285c2d1396%40gmail.com
patch subject: [PATCH net-next 2/2] net: geneve: enable local address bind for geneve sockets
config: x86_64-randconfig-012-20240224 (https://download.01.org/0day-ci/archive/20240224/202402241629.S6oEesWO-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240224/202402241629.S6oEesWO-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402241629.S6oEesWO-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/string.h:292,
                    from include/linux/bitmap.h:12,
                    from include/linux/ethtool.h:16,
                    from drivers/net/geneve.c:10:
   drivers/net/geneve.c: In function 'geneve_create_sock':
>> drivers/net/geneve.c:469:34: error: 'struct udp_port_cfg' has no member named 'local_ip6'; did you mean 'local_ip'?
     469 |                 memcpy(&udp_conf.local_ip6,
         |                                  ^~~~~~~~~
   include/linux/fortify-string.h:582:34: note: in definition of macro '__fortify_memcpy_chk'
     582 |         const size_t __p_size = (p_size);                               \
         |                                  ^~~~~~
   include/linux/fortify-string.h:639:17: note: in expansion of macro '__struct_size'
     639 |                 __struct_size(p), __struct_size(q),                     \
         |                 ^~~~~~~~~~~~~
   drivers/net/geneve.c:469:17: note: in expansion of macro 'memcpy'
     469 |                 memcpy(&udp_conf.local_ip6,
         |                 ^~~~~~
>> drivers/net/geneve.c:469:34: error: 'struct udp_port_cfg' has no member named 'local_ip6'; did you mean 'local_ip'?
     469 |                 memcpy(&udp_conf.local_ip6,
         |                                  ^~~~~~~~~
   include/linux/fortify-string.h:584:40: note: in definition of macro '__fortify_memcpy_chk'
     584 |         const size_t __p_size_field = (p_size_field);                   \
         |                                        ^~~~~~~~~~~~
   include/linux/fortify-string.h:640:17: note: in expansion of macro '__member_size'
     640 |                 __member_size(p), __member_size(q),                     \
         |                 ^~~~~~~~~~~~~
   drivers/net/geneve.c:469:17: note: in expansion of macro 'memcpy'
     469 |                 memcpy(&udp_conf.local_ip6,
         |                 ^~~~~~
>> drivers/net/geneve.c:469:34: error: 'struct udp_port_cfg' has no member named 'local_ip6'; did you mean 'local_ip'?
     469 |                 memcpy(&udp_conf.local_ip6,
         |                                  ^~~~~~~~~
   include/linux/fortify-string.h:593:27: note: in definition of macro '__fortify_memcpy_chk'
     593 |         __underlying_##op(p, q, __fortify_size);                        \
         |                           ^
   drivers/net/geneve.c:469:17: note: in expansion of macro 'memcpy'
     469 |                 memcpy(&udp_conf.local_ip6,
         |                 ^~~~~~


vim +469 drivers/net/geneve.c

   454	
   455	static struct socket *geneve_create_sock(struct net *net, bool ipv6,
   456						 __be16 port, bool ipv6_rx_csum,
   457						 union geneve_addr *local_addr)
   458	{
   459		struct socket *sock;
   460		struct udp_port_cfg udp_conf;
   461		int err;
   462	
   463		memset(&udp_conf, 0, sizeof(udp_conf));
   464	
   465		if (ipv6) {
   466			udp_conf.family = AF_INET6;
   467			udp_conf.ipv6_v6only = 1;
   468			udp_conf.use_udp6_rx_checksums = ipv6_rx_csum;
 > 469			memcpy(&udp_conf.local_ip6,
   470			       &local_addr->sin6.sin6_addr,
   471			       sizeof(local_addr->sin6.sin6_addr));
   472		} else {
   473			udp_conf.family = AF_INET;
   474			udp_conf.local_ip.s_addr = htonl(INADDR_ANY);
   475			memcpy(&udp_conf.local_ip,
   476			       &local_addr->sin.sin_addr,
   477			       sizeof(local_addr->sin.sin_addr));
   478		}
   479	
   480		udp_conf.local_udp_port = port;
   481	
   482		/* Open UDP socket */
   483		err = udp_sock_create(net, &udp_conf, &sock);
   484		if (err < 0)
   485			return ERR_PTR(err);
   486	
   487		udp_allow_gso(sock->sk);
   488		return sock;
   489	}
   490	

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