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Date: Sat, 24 Feb 2024 13:58:07 +0800
From: kernel test robot <lkp@...el.com>
To: Richard Gobert <richardbgobert@...il.com>, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	idosch@...dia.com, razor@...ckwall.org, amcohen@...dia.com,
	petrm@...dia.com, jbenc@...hat.com, b.galvani@...il.com,
	bpoirier@...dia.com, gavinl@...dia.com, martin.lau@...nel.org,
	daniel@...earbox.net, herbert@...dor.apana.org.au,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH net-next 1/2] net: vxlan: enable local address bind for
 vxlan sockets

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/a4cd1adb-74d4-4eea-9f74-0d0ac3d79e44%40gmail.com
patch subject: [PATCH net-next 1/2] net: vxlan: enable local address bind for vxlan sockets
config: x86_64-randconfig-122-20240224 (https://download.01.org/0day-ci/archive/20240224/202402241309.eGUSV2aI-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240224/202402241309.eGUSV2aI-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/202402241309.eGUSV2aI-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/vxlan/vxlan_core.c:3498:20: error: no member named 'local_ip6' in 'struct udp_port_cfg'
    3498 |                 memcpy(&udp_conf.local_ip6.s6_addr32,
         |                         ~~~~~~~~ ^
   include/linux/fortify-string.h:639:17: note: expanded from macro 'memcpy'
     639 |                 __struct_size(p), __struct_size(q),                     \
         |                               ^
   include/linux/compiler_types.h:358:56: note: expanded from macro '__struct_size'
     358 | #define __struct_size(p)        __builtin_dynamic_object_size(p, 0)
         |                                                               ^
   include/linux/fortify-string.h:582:27: note: expanded from macro '__fortify_memcpy_chk'
     582 |         const size_t __p_size = (p_size);                               \
         |                                  ^~~~~~
>> drivers/net/vxlan/vxlan_core.c:3498:20: error: no member named 'local_ip6' in 'struct udp_port_cfg'
    3498 |                 memcpy(&udp_conf.local_ip6.s6_addr32,
         |                         ~~~~~~~~ ^
   include/linux/fortify-string.h:640:17: note: expanded from macro 'memcpy'
     640 |                 __member_size(p), __member_size(q),                     \
         |                               ^
   include/linux/compiler_types.h:359:56: note: expanded from macro '__member_size'
     359 | #define __member_size(p)        __builtin_dynamic_object_size(p, 1)
         |                                                               ^
   include/linux/fortify-string.h:584:33: note: expanded from macro '__fortify_memcpy_chk'
     584 |         const size_t __p_size_field = (p_size_field);                   \
         |                                        ^~~~~~~~~~~~
>> drivers/net/vxlan/vxlan_core.c:3498:20: error: no member named 'local_ip6' in 'struct udp_port_cfg'
    3498 |                 memcpy(&udp_conf.local_ip6.s6_addr32,
         |                         ~~~~~~~~ ^
   include/linux/fortify-string.h:638:47: note: expanded from macro 'memcpy'
     638 | #define memcpy(p, q, s)  __fortify_memcpy_chk(p, q, s,                  \
         |                                               ^
   include/linux/fortify-string.h:593:20: note: expanded from macro '__fortify_memcpy_chk'
     593 |         __underlying_##op(p, q, __fortify_size);                        \
         |                           ^
   3 errors generated.


vim +3498 drivers/net/vxlan/vxlan_core.c

  3482	
  3483	static struct socket *vxlan_create_sock(struct net *net, bool ipv6, __be16 port,
  3484						u32 flags, int ifindex,
  3485						union vxlan_addr addr)
  3486	{
  3487		struct socket *sock;
  3488		struct udp_port_cfg udp_conf;
  3489		int err;
  3490	
  3491		memset(&udp_conf, 0, sizeof(udp_conf));
  3492	
  3493		if (ipv6) {
  3494			udp_conf.family = AF_INET6;
  3495			udp_conf.use_udp6_rx_checksums =
  3496			    !(flags & VXLAN_F_UDP_ZERO_CSUM6_RX);
  3497			udp_conf.ipv6_v6only = 1;
> 3498			memcpy(&udp_conf.local_ip6.s6_addr32,
  3499			       &addr.sin6.sin6_addr.s6_addr32,
  3500			       sizeof(addr.sin6.sin6_addr.s6_addr32));
  3501		} else {
  3502			udp_conf.family = AF_INET;
  3503			udp_conf.local_ip.s_addr = addr.sin.sin_addr.s_addr;
  3504			memcpy(&udp_conf.local_ip.s_addr,
  3505			       &addr.sin.sin_addr.s_addr,
  3506			       sizeof(addr.sin.sin_addr.s_addr));
  3507		}
  3508	
  3509		udp_conf.local_udp_port = port;
  3510		udp_conf.bind_ifindex = ifindex;
  3511	
  3512		/* Open UDP socket */
  3513		err = udp_sock_create(net, &udp_conf, &sock);
  3514		if (err < 0)
  3515			return ERR_PTR(err);
  3516	
  3517		udp_allow_gso(sock->sk);
  3518		return sock;
  3519	}
  3520	

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

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