Re: [PATCH v1 net 1/8] tcp: Fix bind() regression for v6-only wildcard and v4-mapped-v6 non-wildcard addresses.

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

Hi Kuniyuki,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/tcp-Fix-bind-regression-for-v6-only-wildcard-and-v4-mapped-v6-non-wildcard-addresses/20240326-024257
base:   net/main
patch link:    https://lore.kernel.org/r/20240325181923.48769-2-kuniyu%40amazon.com
patch subject: [PATCH v1 net 1/8] tcp: Fix bind() regression for v6-only wildcard and v4-mapped-v6 non-wildcard addresses.
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20240326/202403261821.5fkObY55-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/20240326/202403261821.5fkObY55-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/202403261821.5fkObY55-lkp@intel.com/

All errors (new ones prefixed by >>):

>> net/ipv4/inet_connection_sock.c:207:59: error: no member named 'skc_v6_rcv_saddr' in 'struct sock_common'; did you mean 'skc_rcv_saddr'?
     207 |             (sk->sk_family == AF_INET || ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr)))
         |                                                                  ^
   include/net/sock.h:375:37: note: expanded from macro 'sk_v6_rcv_saddr'
     375 | #define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
         |                                     ^
   include/net/sock.h:155:11: note: 'skc_rcv_saddr' declared here
     155 |                         __be32  skc_rcv_saddr;
         |                                 ^
   1 error generated.


vim +207 net/ipv4/inet_connection_sock.c

   201	
   202	static bool __inet_bhash2_conflict(const struct sock *sk, struct sock *sk2,
   203					   kuid_t sk_uid, bool relax,
   204					   bool reuseport_cb_ok, bool reuseport_ok)
   205	{
   206		if (ipv6_only_sock(sk2) &&
 > 207		    (sk->sk_family == AF_INET || ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr)))
   208			return false;
   209	
   210		return inet_bind_conflict(sk, sk2, sk_uid, relax,
   211					  reuseport_cb_ok, reuseport_ok);
   212	}
   213	

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