Hi Olga, Thank you for the patch! Yet something to improve: [auto build test ERROR on nfs/linux-next] [also build test ERROR on pcmoore-selinux/next linus/master security/next-testing v5.10-rc3 next-20201113] [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] url: https://github.com/0day-ci/linux/commits/Olga-Kornievskaia/introduce-a-ne... base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/0a59499b0fcef78631c9a8619f330ae47... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Olga-Kornievskaia/introduce-a-new-hook-to-query-LSM-for-functionality/20201106-013417 git checkout 0a59499b0fcef78631c9a8619f330ae47802742f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): include/linux/lsm_hook_defs.h: In function 'bpf_lsm_func_query_vfs': 260 | LSM_HOOK(int, 0, func_query_vfs, unsigned int) | ^~~~~~~~~~~~ kernel/bpf/bpf_lsm.c:21:29: note: in definition of macro 'LSM_HOOK' 21 | noinline RET bpf_lsm_##NAME(__VA_ARGS__) \ | ^~~~~~~~~~~ vim +260 include/linux/lsm_hook_defs.h 107 108 /* Needed for inode based security check */ 109 LSM_HOOK(int, 0, path_notify, const struct path *path, u64 mask, 110 unsigned int obj_type) 111 LSM_HOOK(int, 0, inode_alloc_security, struct inode *inode) 112 LSM_HOOK(void, LSM_RET_VOID, inode_free_security, struct inode *inode) 113 LSM_HOOK(int, 0, inode_init_security, struct inode *inode, 114 struct inode *dir, const struct qstr *qstr, const char **name, 115 void **value, size_t *len) 116 LSM_HOOK(int, 0, inode_create, struct inode *dir, struct dentry *dentry, 117 umode_t mode) 118 LSM_HOOK(int, 0, inode_link, struct dentry *old_dentry, struct inode *dir, 119 struct dentry *new_dentry) 120 LSM_HOOK(int, 0, inode_unlink, struct inode *dir, struct dentry *dentry) 121 LSM_HOOK(int, 0, inode_symlink, struct inode *dir, struct dentry *dentry, 122 const char *old_name) 123 LSM_HOOK(int, 0, inode_mkdir, struct inode *dir, struct dentry *dentry, 124 umode_t mode) 125 LSM_HOOK(int, 0, inode_rmdir, struct inode *dir, struct dentry *dentry) 126 LSM_HOOK(int, 0, inode_mknod, struct inode *dir, struct dentry *dentry, 127 umode_t mode, dev_t dev) 128 LSM_HOOK(int, 0, inode_rename, struct inode *old_dir, struct dentry *old_dentry, 129 struct inode *new_dir, struct dentry *new_dentry) 130 LSM_HOOK(int, 0, inode_readlink, struct dentry *dentry) 131 LSM_HOOK(int, 0, inode_follow_link, struct dentry *dentry, struct inode *inode, 132 bool rcu) 133 LSM_HOOK(int, 0, inode_permission, struct inode *inode, int mask) 134 LSM_HOOK(int, 0, inode_setattr, struct dentry *dentry, struct iattr *attr) 135 LSM_HOOK(int, 0, inode_getattr, const struct path *path) 136 LSM_HOOK(int, 0, inode_setxattr, struct dentry *dentry, const char *name, 137 const void *value, size_t size, int flags) 138 LSM_HOOK(void, LSM_RET_VOID, inode_post_setxattr, struct dentry *dentry, 139 const char *name, const void *value, size_t size, int flags) 140 LSM_HOOK(int, 0, inode_getxattr, struct dentry *dentry, const char *name) 141 LSM_HOOK(int, 0, inode_listxattr, struct dentry *dentry) 142 LSM_HOOK(int, 0, inode_removexattr, struct dentry *dentry, const char *name) 143 LSM_HOOK(int, 0, inode_need_killpriv, struct dentry *dentry) 144 LSM_HOOK(int, 0, inode_killpriv, struct dentry *dentry) 145 LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct inode *inode, 146 const char *name, void **buffer, bool alloc) 147 LSM_HOOK(int, -EOPNOTSUPP, inode_setsecurity, struct inode *inode, 148 const char *name, const void *value, size_t size, int flags) 149 LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char *buffer, 150 size_t buffer_size) 151 LSM_HOOK(void, LSM_RET_VOID, inode_getsecid, struct inode *inode, u32 *secid) 152 LSM_HOOK(int, 0, inode_copy_up, struct dentry *src, struct cred **new) 153 LSM_HOOK(int, -EOPNOTSUPP, inode_copy_up_xattr, const char *name) 154 LSM_HOOK(int, 0, kernfs_init_security, struct kernfs_node *kn_dir, 155 struct kernfs_node *kn) 156 LSM_HOOK(int, 0, file_permission, struct file *file, int mask) 157 LSM_HOOK(int, 0, file_alloc_security, struct file *file) 158 LSM_HOOK(void, LSM_RET_VOID, file_free_security, struct file *file) 159 LSM_HOOK(int, 0, file_ioctl, struct file *file, unsigned int cmd, 160 unsigned long arg) 161 LSM_HOOK(int, 0, mmap_addr, unsigned long addr) 162 LSM_HOOK(int, 0, mmap_file, struct file *file, unsigned long reqprot, 163 unsigned long prot, unsigned long flags) 164 LSM_HOOK(int, 0, file_mprotect, struct vm_area_struct *vma, 165 unsigned long reqprot, unsigned long prot) 166 LSM_HOOK(int, 0, file_lock, struct file *file, unsigned int cmd) 167 LSM_HOOK(int, 0, file_fcntl, struct file *file, unsigned int cmd, 168 unsigned long arg) 169 LSM_HOOK(void, LSM_RET_VOID, file_set_fowner, struct file *file) 170 LSM_HOOK(int, 0, file_send_sigiotask, struct task_struct *tsk, 171 struct fown_struct *fown, int sig) 172 LSM_HOOK(int, 0, file_receive, struct file *file) 173 LSM_HOOK(int, 0, file_open, struct file *file) 174 LSM_HOOK(int, 0, task_alloc, struct task_struct *task, 175 unsigned long clone_flags) 176 LSM_HOOK(void, LSM_RET_VOID, task_free, struct task_struct *task) 177 LSM_HOOK(int, 0, cred_alloc_blank, struct cred *cred, gfp_t gfp) 178 LSM_HOOK(void, LSM_RET_VOID, cred_free, struct cred *cred) 179 LSM_HOOK(int, 0, cred_prepare, struct cred *new, const struct cred *old, 180 gfp_t gfp) 181 LSM_HOOK(void, LSM_RET_VOID, cred_transfer, struct cred *new, 182 const struct cred *old) 183 LSM_HOOK(void, LSM_RET_VOID, cred_getsecid, const struct cred *c, u32 *secid) 184 LSM_HOOK(int, 0, kernel_act_as, struct cred *new, u32 secid) 185 LSM_HOOK(int, 0, kernel_create_files_as, struct cred *new, struct inode *inode) 186 LSM_HOOK(int, 0, kernel_module_request, char *kmod_name) 187 LSM_HOOK(int, 0, kernel_load_data, enum kernel_load_data_id id, bool contents) 188 LSM_HOOK(int, 0, kernel_post_load_data, char *buf, loff_t size, 189 enum kernel_load_data_id id, char *description) 190 LSM_HOOK(int, 0, kernel_read_file, struct file *file, 191 enum kernel_read_file_id id, bool contents) 192 LSM_HOOK(int, 0, kernel_post_read_file, struct file *file, char *buf, 193 loff_t size, enum kernel_read_file_id id) 194 LSM_HOOK(int, 0, task_fix_setuid, struct cred *new, const struct cred *old, 195 int flags) 196 LSM_HOOK(int, 0, task_fix_setgid, struct cred *new, const struct cred * old, 197 int flags) 198 LSM_HOOK(int, 0, task_setpgid, struct task_struct *p, pid_t pgid) 199 LSM_HOOK(int, 0, task_getpgid, struct task_struct *p) 200 LSM_HOOK(int, 0, task_getsid, struct task_struct *p) 201 LSM_HOOK(void, LSM_RET_VOID, task_getsecid, struct task_struct *p, u32 *secid) 202 LSM_HOOK(int, 0, task_setnice, struct task_struct *p, int nice) 203 LSM_HOOK(int, 0, task_setioprio, struct task_struct *p, int ioprio) 204 LSM_HOOK(int, 0, task_getioprio, struct task_struct *p) 205 LSM_HOOK(int, 0, task_prlimit, const struct cred *cred, 206 const struct cred *tcred, unsigned int flags) 207 LSM_HOOK(int, 0, task_setrlimit, struct task_struct *p, unsigned int resource, 208 struct rlimit *new_rlim) 209 LSM_HOOK(int, 0, task_setscheduler, struct task_struct *p) 210 LSM_HOOK(int, 0, task_getscheduler, struct task_struct *p) 211 LSM_HOOK(int, 0, task_movememory, struct task_struct *p) 212 LSM_HOOK(int, 0, task_kill, struct task_struct *p, struct kernel_siginfo *info, 213 int sig, const struct cred *cred) 214 LSM_HOOK(int, -ENOSYS, task_prctl, int option, unsigned long arg2, 215 unsigned long arg3, unsigned long arg4, unsigned long arg5) 216 LSM_HOOK(void, LSM_RET_VOID, task_to_inode, struct task_struct *p, 217 struct inode *inode) 218 LSM_HOOK(int, 0, ipc_permission, struct kern_ipc_perm *ipcp, short flag) 219 LSM_HOOK(void, LSM_RET_VOID, ipc_getsecid, struct kern_ipc_perm *ipcp, 220 u32 *secid) 221 LSM_HOOK(int, 0, msg_msg_alloc_security, struct msg_msg *msg) 222 LSM_HOOK(void, LSM_RET_VOID, msg_msg_free_security, struct msg_msg *msg) 223 LSM_HOOK(int, 0, msg_queue_alloc_security, struct kern_ipc_perm *perm) 224 LSM_HOOK(void, LSM_RET_VOID, msg_queue_free_security, 225 struct kern_ipc_perm *perm) 226 LSM_HOOK(int, 0, msg_queue_associate, struct kern_ipc_perm *perm, int msqflg) 227 LSM_HOOK(int, 0, msg_queue_msgctl, struct kern_ipc_perm *perm, int cmd) 228 LSM_HOOK(int, 0, msg_queue_msgsnd, struct kern_ipc_perm *perm, 229 struct msg_msg *msg, int msqflg) 230 LSM_HOOK(int, 0, msg_queue_msgrcv, struct kern_ipc_perm *perm, 231 struct msg_msg *msg, struct task_struct *target, long type, int mode) 232 LSM_HOOK(int, 0, shm_alloc_security, struct kern_ipc_perm *perm) 233 LSM_HOOK(void, LSM_RET_VOID, shm_free_security, struct kern_ipc_perm *perm) 234 LSM_HOOK(int, 0, shm_associate, struct kern_ipc_perm *perm, int shmflg) 235 LSM_HOOK(int, 0, shm_shmctl, struct kern_ipc_perm *perm, int cmd) 236 LSM_HOOK(int, 0, shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr, 237 int shmflg) 238 LSM_HOOK(int, 0, sem_alloc_security, struct kern_ipc_perm *perm) 239 LSM_HOOK(void, LSM_RET_VOID, sem_free_security, struct kern_ipc_perm *perm) 240 LSM_HOOK(int, 0, sem_associate, struct kern_ipc_perm *perm, int semflg) 241 LSM_HOOK(int, 0, sem_semctl, struct kern_ipc_perm *perm, int cmd) 242 LSM_HOOK(int, 0, sem_semop, struct kern_ipc_perm *perm, struct sembuf *sops, 243 unsigned nsops, int alter) 244 LSM_HOOK(int, 0, netlink_send, struct sock *sk, struct sk_buff *skb) 245 LSM_HOOK(void, LSM_RET_VOID, d_instantiate, struct dentry *dentry, 246 struct inode *inode) 247 LSM_HOOK(int, -EINVAL, getprocattr, struct task_struct *p, char *name, 248 char **value) 249 LSM_HOOK(int, -EINVAL, setprocattr, const char *name, void *value, size_t size) 250 LSM_HOOK(int, 0, ismaclabel, const char *name) 251 LSM_HOOK(int, -EOPNOTSUPP, secid_to_secctx, u32 secid, char **secdata, 252 u32 *seclen) 253 LSM_HOOK(int, 0, secctx_to_secid, const char *secdata, u32 seclen, u32 *secid) 254 LSM_HOOK(void, LSM_RET_VOID, release_secctx, char *secdata, u32 seclen) 255 LSM_HOOK(void, LSM_RET_VOID, inode_invalidate_secctx, struct inode *inode) 256 LSM_HOOK(int, 0, inode_notifysecctx, struct inode *inode, void *ctx, u32 ctxlen) 257 LSM_HOOK(int, 0, inode_setsecctx, struct dentry *dentry, void *ctx, u32 ctxlen) 258 LSM_HOOK(int, 0, inode_getsecctx, struct inode *inode, void **ctx, 259 u32 *ctxlen) 261 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org