* [arnd-asm-generic:syscall-tbl-6.11 77/80] arch/arm/kernel/sys_oabi-compat.c:448:1: warning: comparison of distinct pointer types ('long (*)(int, void *, size_t, unsigned int)' (aka 'long (*)(int, void *, unsigned int, unsigned int)') and 'long (*)(int, void *, size_t, unsigned int, struct sockadd...
@ 2024-07-24 7:44 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-07-24 7:44 UTC (permalink / raw)
To: Arnd Bergmann; +Cc: llvm, oe-kbuild-all, linux-arch
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git syscall-tbl-6.11
head: ece1b5ebc0b7064a8a130f64e85a81ec76381c3f
commit: ce67487a0460367a60a68fa3de3e66b8caaa3b7c [77/80] syscalls: check syscall prototypes
config: arm-randconfig-002-20240724 (https://download.01.org/0day-ci/archive/20240724/202407241512.6bjBAKyO-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ad154281230d83ee551e12d5be48bb956ef47ed3)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240724/202407241512.6bjBAKyO-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/202407241512.6bjBAKyO-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/arm/kernel/sys_oabi-compat.c:75:
In file included from include/linux/syscalls.h:86:
In file included from include/trace/syscall.h:7:
In file included from include/linux/trace_events.h:6:
In file included from include/linux/ring_buffer.h:5:
In file included from include/linux/mm.h:2221:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> arch/arm/kernel/sys_oabi-compat.c:407:1: warning: comparison of distinct pointer types ('long (*)(int, struct oabi_sembuf *, unsigned int)' and 'long (*)(int, struct oabi_sembuf *, unsigned int, const struct old_timespec32 *)') [-Wcompare-distinct-pointer-types]
407 | SYSCALL_DEFINE3(oabi_semtimedop, int, semid, struct oabi_sembuf __user *, tsops,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
408 | unsigned, nsops, const struct old_timespec32 __user *, timeout)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:218:36: note: expanded from macro 'SYSCALL_DEFINE3'
218 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:229:2: note: expanded from macro 'SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:247:25: note: expanded from macro '__SYSCALL_DEFINEx'
247 | (void)(__do_sys##name == sys##name); \
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~
arch/arm/kernel/sys_oabi-compat.c:407:1: error: conflicting types for 'sys_oabi_semtimedop'
include/linux/syscalls.h:218:36: note: expanded from macro 'SYSCALL_DEFINE3'
218 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:229:2: note: expanded from macro 'SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
include/linux/syscalls.h:255:18: note: expanded from macro '__SYSCALL_DEFINEx'
255 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
| ^
<scratch space>:38:1: note: expanded from here
38 | sys_oabi_semtimedop
| ^
arch/arm/include/asm/syscalls.h:30:17: note: previous declaration is here
30 | asmlinkage long sys_oabi_semtimedop(int semid,
| ^
>> arch/arm/kernel/sys_oabi-compat.c:419:1: warning: comparison of distinct pointer types ('long (*)(uint, int, int, int, void *)' (aka 'long (*)(unsigned int, int, int, int, void *)') and 'long (*)(uint, int, int, int, void *, long)' (aka 'long (*)(unsigned int, int, int, int, void *, long)')) [-Wcompare-distinct-pointer-types]
419 | SYSCALL_DEFINE5(oabi_ipc, uint, call, int, first, int, second, int, third,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
420 | void __user *, ptr, long, fifth)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:220:36: note: expanded from macro 'SYSCALL_DEFINE5'
220 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:229:2: note: expanded from macro 'SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:247:25: note: expanded from macro '__SYSCALL_DEFINEx'
247 | (void)(__do_sys##name == sys##name); \
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~
arch/arm/kernel/sys_oabi-compat.c:419:1: error: conflicting types for 'sys_oabi_ipc'
include/linux/syscalls.h:220:36: note: expanded from macro 'SYSCALL_DEFINE5'
220 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:229:2: note: expanded from macro 'SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
include/linux/syscalls.h:255:18: note: expanded from macro '__SYSCALL_DEFINEx'
255 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
| ^
<scratch space>:158:1: note: expanded from here
158 | sys_oabi_ipc
| ^
arch/arm/include/asm/syscalls.h:36:17: note: previous declaration is here
36 | asmlinkage long sys_oabi_ipc(uint call, int first, int second, int third,
| ^
>> arch/arm/kernel/sys_oabi-compat.c:448:1: warning: comparison of distinct pointer types ('long (*)(int, void *, size_t, unsigned int)' (aka 'long (*)(int, void *, unsigned int, unsigned int)') and 'long (*)(int, void *, size_t, unsigned int, struct sockaddr *, int)' (aka 'long (*)(int, void *, unsigned int, unsigned int, struct sockaddr *, int)')) [-Wcompare-distinct-pointer-types]
448 | SYSCALL_DEFINE4(oabi_sendto, int, fd, void __user *, buff, size_t, len,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
449 | unsigned, flags, struct sockaddr __user *, addr, int, addrlen)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:219:36: note: expanded from macro 'SYSCALL_DEFINE4'
219 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:229:2: note: expanded from macro 'SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:247:25: note: expanded from macro '__SYSCALL_DEFINEx'
247 | (void)(__do_sys##name == sys##name); \
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~
arch/arm/kernel/sys_oabi-compat.c:448:1: error: conflicting types for 'sys_oabi_sendto'
include/linux/syscalls.h:219:36: note: expanded from macro 'SYSCALL_DEFINE4'
219 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:229:2: note: expanded from macro 'SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
include/linux/syscalls.h:255:18: note: expanded from macro '__SYSCALL_DEFINEx'
255 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
| ^
<scratch space>:135:1: note: expanded from here
135 | sys_oabi_sendto
| ^
arch/arm/include/asm/syscalls.h:41:17: note: previous declaration is here
41 | asmlinkage long sys_oabi_sendto(int fd, void __user *buff,
| ^
arch/arm/kernel/sys_oabi-compat.c:453:27: error: use of undeclared identifier 'addr'
453 | get_user(sa_family, &addr->sa_family) == 0 &&
| ^
arch/arm/kernel/sys_oabi-compat.c:453:27: error: use of undeclared identifier 'addr'
arch/arm/kernel/sys_oabi-compat.c:453:27: error: use of undeclared identifier 'addr'
arch/arm/kernel/sys_oabi-compat.c:452:6: error: use of undeclared identifier 'addrlen'; did you mean 'strlen'?
452 | if (addrlen == 112 &&
| ^~~~~~~
| strlen
include/linux/string.h:196:24: note: 'strlen' declared here
196 | extern __kernel_size_t strlen(const char *);
| ^
arch/arm/kernel/sys_oabi-compat.c:455:4: error: use of undeclared identifier 'addrlen'
455 | addrlen = 110;
| ^
arch/arm/kernel/sys_oabi-compat.c:456:44: error: use of undeclared identifier 'addr'
456 | return __sys_sendto(fd, buff, len, flags, addr, addrlen);
| ^
arch/arm/kernel/sys_oabi-compat.c:456:50: error: use of undeclared identifier 'addrlen'
456 | return __sys_sendto(fd, buff, len, flags, addr, addrlen);
| ^
arch/arm/kernel/sys_oabi-compat.c:483:37: error: too few arguments to function call, expected 4, have 3
483 | return __sys_sendmsg(fd, msg, flags);
| ~~~~~~~~~~~~~ ^
include/linux/socket.h:411:13: note: '__sys_sendmsg' declared here
411 | extern long __sys_sendmsg(int fd, struct user_msghdr __user *msg,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
412 | unsigned int flags, bool forbid_cmsg_compat);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings and 11 errors generated.
vim +448 arch/arm/kernel/sys_oabi-compat.c
687ad0191488a0 Nicolas Pitre 2006-01-14 388
2263955b209e20 Arnd Bergmann 2024-07-05 389 SYSCALL_DEFINE6(oabi_ipc, uint, call, int, first, int, second, int, third,
2263955b209e20 Arnd Bergmann 2024-07-05 390 void __user *, ptr, long, fifth)
687ad0191488a0 Nicolas Pitre 2006-01-14 391 {
687ad0191488a0 Nicolas Pitre 2006-01-14 392 switch (call & 0xffff) {
687ad0191488a0 Nicolas Pitre 2006-01-14 393 case SEMOP:
687ad0191488a0 Nicolas Pitre 2006-01-14 394 return sys_oabi_semtimedop(first,
687ad0191488a0 Nicolas Pitre 2006-01-14 395 (struct oabi_sembuf __user *)ptr,
687ad0191488a0 Nicolas Pitre 2006-01-14 396 second, NULL);
687ad0191488a0 Nicolas Pitre 2006-01-14 397 case SEMTIMEDOP:
687ad0191488a0 Nicolas Pitre 2006-01-14 398 return sys_oabi_semtimedop(first,
687ad0191488a0 Nicolas Pitre 2006-01-14 399 (struct oabi_sembuf __user *)ptr,
687ad0191488a0 Nicolas Pitre 2006-01-14 400 second,
00bf25d693e7f6 Arnd Bergmann 2019-01-01 401 (const struct old_timespec32 __user *)fifth);
687ad0191488a0 Nicolas Pitre 2006-01-14 402 default:
687ad0191488a0 Nicolas Pitre 2006-01-14 403 return sys_ipc(call, first, second, third, ptr, fifth);
687ad0191488a0 Nicolas Pitre 2006-01-14 404 }
687ad0191488a0 Nicolas Pitre 2006-01-14 405 }
bdec0145286f7e Arnd Bergmann 2021-08-11 406 #else
2263955b209e20 Arnd Bergmann 2024-07-05 @407 SYSCALL_DEFINE3(oabi_semtimedop, int, semid, struct oabi_sembuf __user *, tsops,
2263955b209e20 Arnd Bergmann 2024-07-05 408 unsigned, nsops, const struct old_timespec32 __user *, timeout)
bdec0145286f7e Arnd Bergmann 2021-08-11 409 {
bdec0145286f7e Arnd Bergmann 2021-08-11 410 return -ENOSYS;
bdec0145286f7e Arnd Bergmann 2021-08-11 411 }
bdec0145286f7e Arnd Bergmann 2021-08-11 412
2263955b209e20 Arnd Bergmann 2024-07-05 413 SYSCALL_DEFINE3(oabi_semop, int, semid, struct oabi_sembuf __user *, tsops,
2263955b209e20 Arnd Bergmann 2024-07-05 414 unsigned, nsops)
bdec0145286f7e Arnd Bergmann 2021-08-11 415 {
bdec0145286f7e Arnd Bergmann 2021-08-11 416 return -ENOSYS;
bdec0145286f7e Arnd Bergmann 2021-08-11 417 }
bdec0145286f7e Arnd Bergmann 2021-08-11 418
2263955b209e20 Arnd Bergmann 2024-07-05 @419 SYSCALL_DEFINE5(oabi_ipc, uint, call, int, first, int, second, int, third,
2263955b209e20 Arnd Bergmann 2024-07-05 420 void __user *, ptr, long, fifth)
bdec0145286f7e Arnd Bergmann 2021-08-11 421 {
bdec0145286f7e Arnd Bergmann 2021-08-11 422 return -ENOSYS;
bdec0145286f7e Arnd Bergmann 2021-08-11 423 }
bdec0145286f7e Arnd Bergmann 2021-08-11 424 #endif
99595d0237926b Nicolas Pitre 2006-02-08 425
2263955b209e20 Arnd Bergmann 2024-07-05 426 SYSCALL_DEFINE3(oabi_bind, int, fd, struct sockaddr __user *, addr,
2263955b209e20 Arnd Bergmann 2024-07-05 427 int, addrlen)
99595d0237926b Nicolas Pitre 2006-02-08 428 {
99595d0237926b Nicolas Pitre 2006-02-08 429 sa_family_t sa_family;
99595d0237926b Nicolas Pitre 2006-02-08 430 if (addrlen == 112 &&
99595d0237926b Nicolas Pitre 2006-02-08 431 get_user(sa_family, &addr->sa_family) == 0 &&
99595d0237926b Nicolas Pitre 2006-02-08 432 sa_family == AF_UNIX)
99595d0237926b Nicolas Pitre 2006-02-08 433 addrlen = 110;
2263955b209e20 Arnd Bergmann 2024-07-05 434 return __sys_bind(fd, addr, addrlen);
99595d0237926b Nicolas Pitre 2006-02-08 435 }
99595d0237926b Nicolas Pitre 2006-02-08 436
2263955b209e20 Arnd Bergmann 2024-07-05 437 SYSCALL_DEFINE3(oabi_connect, int, fd, struct sockaddr __user *, addr,
2263955b209e20 Arnd Bergmann 2024-07-05 438 int, addrlen)
99595d0237926b Nicolas Pitre 2006-02-08 439 {
99595d0237926b Nicolas Pitre 2006-02-08 440 sa_family_t sa_family;
99595d0237926b Nicolas Pitre 2006-02-08 441 if (addrlen == 112 &&
99595d0237926b Nicolas Pitre 2006-02-08 442 get_user(sa_family, &addr->sa_family) == 0 &&
99595d0237926b Nicolas Pitre 2006-02-08 443 sa_family == AF_UNIX)
99595d0237926b Nicolas Pitre 2006-02-08 444 addrlen = 110;
2263955b209e20 Arnd Bergmann 2024-07-05 445 return __sys_connect(fd, addr, addrlen);
99595d0237926b Nicolas Pitre 2006-02-08 446 }
99595d0237926b Nicolas Pitre 2006-02-08 447
2263955b209e20 Arnd Bergmann 2024-07-05 @448 SYSCALL_DEFINE4(oabi_sendto, int, fd, void __user *, buff, size_t, len,
2263955b209e20 Arnd Bergmann 2024-07-05 449 unsigned, flags, struct sockaddr __user *, addr, int, addrlen)
99595d0237926b Nicolas Pitre 2006-02-08 450 {
99595d0237926b Nicolas Pitre 2006-02-08 451 sa_family_t sa_family;
99595d0237926b Nicolas Pitre 2006-02-08 452 if (addrlen == 112 &&
99595d0237926b Nicolas Pitre 2006-02-08 453 get_user(sa_family, &addr->sa_family) == 0 &&
99595d0237926b Nicolas Pitre 2006-02-08 454 sa_family == AF_UNIX)
99595d0237926b Nicolas Pitre 2006-02-08 455 addrlen = 110;
2263955b209e20 Arnd Bergmann 2024-07-05 456 return __sys_sendto(fd, buff, len, flags, addr, addrlen);
99595d0237926b Nicolas Pitre 2006-02-08 457 }
99595d0237926b Nicolas Pitre 2006-02-08 458
:::::: The code at line 448 was first introduced by commit
:::::: 2263955b209e2016dc9f30d129e356f4123310d5 ARM: OABI SYSCALL_DEFINEx
:::::: TO: Arnd Bergmann <arnd@arndb.de>
:::::: CC: Arnd Bergmann <arnd@arndb.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-07-24 7:44 [arnd-asm-generic:syscall-tbl-6.11 77/80] arch/arm/kernel/sys_oabi-compat.c:448:1: warning: comparison of distinct pointer types ('long (*)(int, void *, size_t, unsigned int)' (aka 'long (*)(int, void *, unsigned int, unsigned int)') and 'long (*)(int, void *, size_t, unsigned int, struct sockadd kernel test robot
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