Hi Tetsuo, kernel test robot noticed the following build errors: [auto build test ERROR on bpf/master] [also build test ERROR on pcmoore-audit/next pcmoore-selinux/next linus/master v6.7-rc2] [cannot apply to bpf-next/master next-20231120] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Tetsuo-Handa/LSM-Auto-undef-LSM_HOOK-macro/20231120-214522 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master patch link: https://lore.kernel.org/r/34be5cd8-1fdd-4323-82a3-40f2e7d35db3%40I-love.SAKURA.ne.jp patch subject: [PATCH 4/4] LSM: Add a LSM module which handles dynamically appendable LSM hooks. config: arc-randconfig-002-20231121 (https://download.01.org/0day-ci/archive/20231121/202311210740.Mxc4WM7v-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231121/202311210740.Mxc4WM7v-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311210740.Mxc4WM7v-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> security/security.c:784:13: warning: no previous prototype for 'security_bprm_check_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:114:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 114 | LSM_PLAIN_INT_HOOK(int, 0, bprm_check_security, struct linux_binprm *bprm) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_sb_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:123:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 123 | LSM_PLAIN_INT_HOOK(int, 0, sb_alloc_security, struct super_block *sb) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_sb_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:125:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 125 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, sb_free_security, struct super_block *sb) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_sb_free_mnt_opts' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:126:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 126 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, sb_free_mnt_opts, void *mnt_opts) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_inode_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:174:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 174 | LSM_PLAIN_INT_HOOK(int, 0, inode_alloc_security, struct inode *inode) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_inode_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:175:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 175 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, inode_free_security, struct inode *inode) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_file_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:231:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 231 | LSM_PLAIN_INT_HOOK(int, 0, file_alloc_security, struct file *file) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_file_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:232:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 232 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, file_free_security, struct file *file) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_cred_prepare' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:254:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 254 | LSM_PLAIN_INT_HOOK(int, 0, cred_prepare, struct cred *new, const struct cred *old, | ^~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_msg_msg_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:300:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 300 | LSM_PLAIN_INT_HOOK(int, 0, msg_msg_alloc_security, struct msg_msg *msg) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_msg_msg_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:301:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 301 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, msg_msg_free_security, struct msg_msg *msg) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_msg_queue_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:302:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 302 | LSM_PLAIN_INT_HOOK(int, 0, msg_queue_alloc_security, struct kern_ipc_perm *perm) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_msg_queue_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:303:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 303 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, msg_queue_free_security, | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_shm_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:311:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 311 | LSM_PLAIN_INT_HOOK(int, 0, shm_alloc_security, struct kern_ipc_perm *perm) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_shm_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:312:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 312 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, shm_free_security, struct kern_ipc_perm *perm) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_sem_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:317:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 317 | LSM_PLAIN_INT_HOOK(int, 0, sem_alloc_security, struct kern_ipc_perm *perm) | ^~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_sem_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:318:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 318 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, sem_free_security, struct kern_ipc_perm *perm) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:799:14: warning: no previous prototype for 'security_sk_getsecid' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:381:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 381 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, sk_getsecid, const struct sock *sk, u32 *secid) | ^~~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_xfrm_policy_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:420:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 420 | LSM_PLAIN_INT_HOOK(int, 0, xfrm_policy_alloc_security, struct xfrm_sec_ctx **ctxp, | ^~~~~~~~~~~~~~~~~~ >> security/security.c:784:13: warning: no previous prototype for 'security_xfrm_policy_clone_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:422:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 422 | LSM_PLAIN_INT_HOOK(int, 0, xfrm_policy_clone_security, struct xfrm_sec_ctx *old_ctx, | ^~~~~~~~~~~~~~~~~~ security/security.c:799:14: warning: no previous prototype for 'security_xfrm_policy_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:424:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 424 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, xfrm_policy_free_security, | ^~~~~~~~~~~~~~~~~~~ security/security.c:784:13: warning: no previous prototype for 'security_xfrm_policy_delete_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:426:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 426 | LSM_PLAIN_INT_HOOK(int, 0, xfrm_policy_delete_security, struct xfrm_sec_ctx *ctx) | ^~~~~~~~~~~~~~~~~~ security/security.c:799:14: warning: no previous prototype for 'security_xfrm_state_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:431:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 431 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, xfrm_state_free_security, struct xfrm_state *x) | ^~~~~~~~~~~~~~~~~~~ security/security.c:784:13: warning: no previous prototype for 'security_xfrm_state_delete_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:432:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 432 | LSM_PLAIN_INT_HOOK(int, 0, xfrm_state_delete_security, struct xfrm_state *x) | ^~~~~~~~~~~~~~~~~~ security/security.c:784:13: error: conflicting types for 'security_xfrm_decode_session'; have 'int(struct sk_buff *, u32 *, int)' {aka 'int(struct sk_buff *, unsigned int *, int)'} 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:436:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 436 | LSM_PLAIN_INT_HOOK(int, 0, xfrm_decode_session, struct sk_buff *skb, u32 *secid, | ^~~~~~~~~~~~~~~~~~ In file included from include/linux/lsm_hooks.h:28, from security/security.c:21: include/linux/security.h:1753:5: note: previous declaration of 'security_xfrm_decode_session' with type 'int(struct sk_buff *, u32 *)' {aka 'int(struct sk_buff *, unsigned int *)'} 1753 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ security/security.c:784:13: warning: no previous prototype for 'security_bpf_map_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:462:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 462 | LSM_PLAIN_INT_HOOK(int, 0, bpf_map_alloc_security, struct bpf_map *map) | ^~~~~~~~~~~~~~~~~~ security/security.c:799:14: warning: no previous prototype for 'security_bpf_map_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:463:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 463 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, bpf_map_free_security, struct bpf_map *map) | ^~~~~~~~~~~~~~~~~~~ security/security.c:784:13: warning: no previous prototype for 'security_bpf_prog_alloc_security' [-Wmissing-prototypes] 784 | int security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:464:1: note: in expansion of macro 'LSM_PLAIN_INT_HOOK' 464 | LSM_PLAIN_INT_HOOK(int, 0, bpf_prog_alloc_security, struct bpf_prog_aux *aux) | ^~~~~~~~~~~~~~~~~~ security/security.c:799:14: warning: no previous prototype for 'security_bpf_prog_free_security' [-Wmissing-prototypes] 799 | void security_##NAME(__VA_ARGS__) \ | ^~~~~~~~~ include/linux/lsm_hook_defs.h:465:1: note: in expansion of macro 'LSM_PLAIN_VOID_HOOK' 465 | LSM_PLAIN_VOID_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux) | ^~~~~~~~~~~~~~~~~~~ vim +784 security/security.c 781 782 #include <linux/lsm_hook_args.h> 783 #define LSM_PLAIN_INT_HOOK(RET, DEFAULT, NAME, ...) \ > 784 int security_##NAME(__VA_ARGS__) \ 785 { \ 786 struct security_hook_list *P; \ 787 \ 788 hlist_for_each_entry(P, &security_hook_heads.NAME, list) { \ 789 int RC = P->hook.NAME(LSM_CALL_ARGS_##NAME); \ 790 \ 791 if (RC != DEFAULT) \ 792 return RC; \ 793 } \ 794 return DEFAULT; \ 795 } 796 #define LSM_CUSTOM_INT_HOOK(RET, DEFAULT, NAME, ...) DECLARE_LSM_RET_DEFAULT_int(DEFAULT, NAME) 797 #define LSM_SPECIAL_INT_HOOK(RET, DEFAULT, NAME, ...) DECLARE_LSM_RET_DEFAULT_int(DEFAULT, NAME) 798 #define LSM_PLAIN_VOID_HOOK(RET, DEFAULT, NAME, ...) \ > 799 void security_##NAME(__VA_ARGS__) \ 800 { \ 801 struct security_hook_list *P; \ 802 \ 803 hlist_for_each_entry(P, &security_hook_heads.NAME, list) \ 804 P->hook.NAME(LSM_CALL_ARGS_##NAME); \ 805 } 806 #define LSM_CUSTOM_VOID_HOOK(RET, DEFAULT, NAME, ...) 807 #define LSM_SPECIAL_VOID_HOOK(RET, DEFAULT, NAME, ...) 808 #include <linux/lsm_hook_defs.h> 809 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
