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Message-ID: <202410281248.ZHbto77a-lkp@intel.com>
Date: Mon, 28 Oct 2024 12:54:15 +0800
From: kernel test robot <lkp@...el.com>
To: Antonio Quartulli <antonio@...nvpn.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Donald Hunter <donald.hunter@...il.com>,
Shuah Khan <skhan@...uxfoundation.org>, sd@...asysnail.net,
ryazanov.s.a@...il.com, Andrew Lunn <andrew@...n.ch>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net-next v10 09/23] ovpn: implement basic RX path (UDP)
Hi Antonio,
kernel test robot noticed the following build errors:
[auto build test ERROR on 03fc07a24735e0be8646563913abf5f5cb71ad19]
url: https://github.com/intel-lab-lkp/linux/commits/Antonio-Quartulli/netlink-add-NLA_POLICY_MAX_LEN-macro/20241025-173611
base: 03fc07a24735e0be8646563913abf5f5cb71ad19
patch link: https://lore.kernel.org/r/20241025-b4-ovpn-v10-9-b87530777be7%40openvpn.net
patch subject: [PATCH net-next v10 09/23] ovpn: implement basic RX path (UDP)
config: powerpc-randconfig-r064-20241028 (https://download.01.org/0day-ci/archive/20241028/202410281248.ZHbto77a-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/20241028/202410281248.ZHbto77a-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/202410281248.ZHbto77a-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/net/ovpn/socket.c:84:25: error: call to undeclared function 'udp_sk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:484:10: note: expanded from macro '__native_word'
484 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:484:39: note: expanded from macro '__native_word'
484 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:485:10: note: expanded from macro '__native_word'
485 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:485:38: note: expanded from macro '__native_word'
485 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:49:33: note: expanded from macro 'READ_ONCE'
49 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:48: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:517:22: note: expanded from macro 'compiletime_assert'
517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:505:23: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:25: error: call to undeclared function 'udp_sk'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE'
50 | __READ_ONCE(x); \
| ^
include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/linux/compiler_types.h:473:13: note: expanded from macro '__unqual_scalar_typeof'
473 | _Generic((x), \
| ^
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE'
50 | __READ_ONCE(x); \
| ^
include/asm-generic/rwonce.h:44:65: note: expanded from macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/linux/compiler_types.h:480:15: note: expanded from macro '__unqual_scalar_typeof'
480 | default: (x)))
| ^
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:37: error: member reference type 'int' is not a pointer
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ~~~~~~~~~~ ^
include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE'
50 | __READ_ONCE(x); \
| ^
include/asm-generic/rwonce.h:44:72: note: expanded from macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
>> drivers/net/ovpn/socket.c:84:52: error: use of undeclared identifier 'UDP_ENCAP_OVPNINUDP'
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
| ^
11 errors generated.
vim +/udp_sk +84 drivers/net/ovpn/socket.c
76
77 /* Retrieve the corresponding ovpn object from a UDP socket
78 * rcu_read_lock must be held on entry
79 */
80 struct ovpn_struct *ovpn_from_udp_sock(struct sock *sk)
81 {
82 struct ovpn_socket *ovpn_sock;
83
> 84 if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
85 return NULL;
86
87 ovpn_sock = rcu_dereference_sk_user_data(sk);
88 if (unlikely(!ovpn_sock))
89 return NULL;
90
91 /* make sure that sk matches our stored transport socket */
92 if (unlikely(!ovpn_sock->sock || sk != ovpn_sock->sock->sk))
93 return NULL;
94
95 return ovpn_sock->ovpn;
96 }
97
--
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https://github.com/intel/lkp-tests/wiki
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