kernel/sys_ni.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <linux/linkage.h>
   4 #include <linux/errno.h>
   5
   6 #include <asm/unistd.h>
   7
   8 /*  we can't #include <linux/syscalls.h> here,
   9     but tell gcc to not warn with -Wmissing-prototypes  */
  10 asmlinkage long sys_ni_syscall(void);
  11
  12 /*
  13  * Non-implemented system calls get redirected here.
  14  */
  15 asmlinkage long sys_ni_syscall(void)
  16 {
  17         return -ENOSYS;
  18 }
  19
  20 #define COND_SYSCALL(name) cond_syscall(sys_##name)
  21 #define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name)
  22
  23 /*
  24  * This list is kept in the same order as include/uapi/asm-generic/unistd.h.
  25  * Architecture specific entries go below, followed by deprecated or obsolete
  26  * system calls.
  27  */
  28
  29 COND_SYSCALL(io_setup);
  30 COND_SYSCALL_COMPAT(io_setup);
  31 COND_SYSCALL(io_destroy);
  32 COND_SYSCALL(io_submit);
  33 COND_SYSCALL_COMPAT(io_submit);
  34 COND_SYSCALL(io_cancel);
  35 COND_SYSCALL(io_getevents);
  36 COND_SYSCALL_COMPAT(io_getevents);
  37
  38 /* fs/xattr.c */
  39
  40 /* fs/dcache.c */
  41
  42 /* fs/cookies.c */
  43 COND_SYSCALL(lookup_dcookie);
  44 COND_SYSCALL_COMPAT(lookup_dcookie);
  45
  46 /* fs/eventfd.c */
  47 COND_SYSCALL(eventfd2);
  48
  49 /* fs/eventfd.c */
  50 COND_SYSCALL(epoll_create1);
  51 COND_SYSCALL(epoll_ctl);
  52 COND_SYSCALL(epoll_pwait);
  53 COND_SYSCALL_COMPAT(epoll_pwait);
  54
  55 /* fs/fcntl.c */
  56
  57 /* fs/inotify_user.c */
  58 COND_SYSCALL(inotify_init1);
  59 COND_SYSCALL(inotify_add_watch);
  60 COND_SYSCALL(inotify_rm_watch);
  61
  62 /* fs/ioctl.c */
  63
  64 /* fs/ioprio.c */
  65 COND_SYSCALL(ioprio_set);
  66 COND_SYSCALL(ioprio_get);
  67
  68 /* fs/locks.c */
  69 COND_SYSCALL(flock);
  70
  71 /* fs/namei.c */
  72
  73 /* fs/namespace.c */
  74
  75 /* fs/nfsctl.c */
  76
  77 /* fs/open.c */
  78
  79 /* fs/pipe.c */
  80
  81 /* fs/quota.c */
  82 COND_SYSCALL(quotactl);
  83
  84 /* fs/readdir.c */
  85
  86 /* fs/read_write.c */
  87
  88 /* fs/sendfile.c */
  89
  90 /* fs/select.c */
  91
  92 /* fs/signalfd.c */
  93 COND_SYSCALL(signalfd4);
  94 COND_SYSCALL_COMPAT(signalfd4);
  95
  96 /* fs/splice.c */
  97
  98 /* fs/stat.c */
  99
 100 /* fs/sync.c */
 101
 102 /* fs/timerfd.c */
 103 COND_SYSCALL(timerfd_create);
 104 COND_SYSCALL(timerfd_settime);
 105 COND_SYSCALL_COMPAT(timerfd_settime);
 106 COND_SYSCALL(timerfd_gettime);
 107 COND_SYSCALL_COMPAT(timerfd_gettime);
 108
 109 /* fs/utimes.c */
 110
 111 /* kernel/acct.c */
 112 COND_SYSCALL(acct);
 113
 114 /* kernel/capability.c */
 115 COND_SYSCALL(capget);
 116 COND_SYSCALL(capset);
 117
 118 /* kernel/exec_domain.c */
 119
 120 /* kernel/exit.c */
 121
 122 /* kernel/fork.c */
 123
 124 /* kernel/futex.c */
 125 COND_SYSCALL(futex);
 126 COND_SYSCALL_COMPAT(futex);
 127 COND_SYSCALL(set_robust_list);
 128 COND_SYSCALL_COMPAT(set_robust_list);
 129 COND_SYSCALL(get_robust_list);
 130 COND_SYSCALL_COMPAT(get_robust_list);
 131
 132 /* kernel/hrtimer.c */
 133
 134 /* kernel/itimer.c */
 135
 136 /* kernel/kexec.c */
 137 COND_SYSCALL(kexec_load);
 138 COND_SYSCALL_COMPAT(kexec_load);
 139
 140 /* kernel/module.c */
 141 COND_SYSCALL(init_module);
 142 COND_SYSCALL(delete_module);
 143
 144 /* kernel/posix-timers.c */
 145
 146 /* kernel/printk.c */
 147 COND_SYSCALL(syslog);
 148
 149 /* kernel/ptrace.c */
 150
 151 /* kernel/sched/core.c */
 152
 153 /* kernel/signal.c */
 154
 155 /* kernel/sys.c */
 156 COND_SYSCALL(setregid);
 157 COND_SYSCALL(setgid);
 158 COND_SYSCALL(setreuid);
 159 COND_SYSCALL(setuid);
 160 COND_SYSCALL(setresuid);
 161 COND_SYSCALL(getresuid);
 162 COND_SYSCALL(setresgid);
 163 COND_SYSCALL(getresgid);
 164 COND_SYSCALL(setfsuid);
 165 COND_SYSCALL(setfsgid);
 166 COND_SYSCALL(setgroups);
 167 COND_SYSCALL(getgroups);
 168
 169 /* kernel/time.c */
 170
 171 /* kernel/timer.c */
 172
 173 /* ipc/mqueue.c */
 174 COND_SYSCALL(mq_open);
 175 COND_SYSCALL_COMPAT(mq_open);
 176 COND_SYSCALL(mq_unlink);
 177 COND_SYSCALL(mq_timedsend);
 178 COND_SYSCALL_COMPAT(mq_timedsend);
 179 COND_SYSCALL(mq_timedreceive);
 180 COND_SYSCALL_COMPAT(mq_timedreceive);
 181 COND_SYSCALL(mq_notify);
 182 COND_SYSCALL_COMPAT(mq_notify);
 183 COND_SYSCALL(mq_getsetattr);
 184 COND_SYSCALL_COMPAT(mq_getsetattr);
 185
 186 /* ipc/msg.c */
 187 COND_SYSCALL(msgget);
 188 COND_SYSCALL(msgctl);
 189 COND_SYSCALL_COMPAT(msgctl);
 190 COND_SYSCALL(msgrcv);
 191 COND_SYSCALL_COMPAT(msgrcv);
 192 COND_SYSCALL(msgsnd);
 193 COND_SYSCALL_COMPAT(msgsnd);
 194
 195 /* ipc/sem.c */
 196 COND_SYSCALL(semget);
 197 COND_SYSCALL(semctl);
 198 COND_SYSCALL_COMPAT(semctl);
 199 COND_SYSCALL(semtimedop);
 200 COND_SYSCALL_COMPAT(semtimedop);
 201 COND_SYSCALL(semop);
 202
 203 /* ipc/shm.c */
 204 COND_SYSCALL(shmget);
 205 COND_SYSCALL(shmctl);
 206 COND_SYSCALL_COMPAT(shmctl);
 207 COND_SYSCALL(shmat);
 208 COND_SYSCALL_COMPAT(shmat);
 209 COND_SYSCALL(shmdt);
 210
 211 /* net/socket.c */
 212 COND_SYSCALL(socket);
 213 COND_SYSCALL(socketpair);
 214 COND_SYSCALL(bind);
 215 COND_SYSCALL(listen);
 216 COND_SYSCALL(accept);
 217 COND_SYSCALL(connect);
 218 COND_SYSCALL(getsockname);
 219 COND_SYSCALL(getpeername);
 220 COND_SYSCALL(setsockopt);
 221 COND_SYSCALL_COMPAT(setsockopt);
 222 COND_SYSCALL(getsockopt);
 223 COND_SYSCALL_COMPAT(getsockopt);
 224 COND_SYSCALL(sendto);
 225 COND_SYSCALL(shutdown);
 226 COND_SYSCALL(recvfrom);
 227 COND_SYSCALL_COMPAT(recvfrom);
 228 COND_SYSCALL(sendmsg);
 229 COND_SYSCALL_COMPAT(sendmsg);
 230 COND_SYSCALL(recvmsg);
 231 COND_SYSCALL_COMPAT(recvmsg);
 232
 233 /* mm/filemap.c */
 234
 235 /* mm/nommu.c, also with MMU */
 236 COND_SYSCALL(mremap);
 237
 238 /* security/keys/keyctl.c */
 239 COND_SYSCALL(add_key);
 240 COND_SYSCALL(request_key);
 241 COND_SYSCALL(keyctl);
 242 COND_SYSCALL_COMPAT(keyctl);
 243
 244 /* arch/example/kernel/sys_example.c */
 245
 246 /* mm/fadvise.c */
 247 COND_SYSCALL(fadvise64_64);
 248
 249 /* mm/, CONFIG_MMU only */
 250 COND_SYSCALL(swapon);
 251 COND_SYSCALL(swapoff);
 252 COND_SYSCALL(mprotect);
 253 COND_SYSCALL(msync);
 254 COND_SYSCALL(mlock);
 255 COND_SYSCALL(munlock);
 256 COND_SYSCALL(mlockall);
 257 COND_SYSCALL(munlockall);
 258 COND_SYSCALL(mincore);
 259 COND_SYSCALL(madvise);
 260 COND_SYSCALL(remap_file_pages);
 261 COND_SYSCALL(mbind);
 262 COND_SYSCALL_COMPAT(mbind);
 263 COND_SYSCALL(get_mempolicy);
 264 COND_SYSCALL_COMPAT(get_mempolicy);
 265 COND_SYSCALL(set_mempolicy);
 266 COND_SYSCALL_COMPAT(set_mempolicy);
 267 COND_SYSCALL(migrate_pages);
 268 COND_SYSCALL_COMPAT(migrate_pages);
 269 COND_SYSCALL(move_pages);
 270 COND_SYSCALL_COMPAT(move_pages);
 271
 272 COND_SYSCALL(perf_event_open);
 273 COND_SYSCALL(accept4);
 274 COND_SYSCALL(recvmmsg);
 275 COND_SYSCALL_COMPAT(recvmmsg);
 276
 277 /*
 278  * Architecture specific syscalls: see further below
 279  */
 280
 281 /* fanotify */
 282 COND_SYSCALL(fanotify_init);
 283 COND_SYSCALL(fanotify_mark);
 284
 285 /* open by handle */
 286 COND_SYSCALL(name_to_handle_at);
 287 COND_SYSCALL(open_by_handle_at);
 288 COND_SYSCALL_COMPAT(open_by_handle_at);
 289
 290 COND_SYSCALL(sendmmsg);
 291 COND_SYSCALL_COMPAT(sendmmsg);
 292 COND_SYSCALL(process_vm_readv);
 293 COND_SYSCALL_COMPAT(process_vm_readv);
 294 COND_SYSCALL(process_vm_writev);
 295 COND_SYSCALL_COMPAT(process_vm_writev);
 296
 297 /* compare kernel pointers */
 298 COND_SYSCALL(kcmp);
 299
 300 COND_SYSCALL(finit_module);
 301
 302 /* operate on Secure Computing state */
 303 COND_SYSCALL(seccomp);
 304
 305 COND_SYSCALL(memfd_create);
 306
 307 /* access BPF programs and maps */
 308 COND_SYSCALL(bpf);
 309
 310 /* execveat */
 311 COND_SYSCALL(execveat);
 312
 313 COND_SYSCALL(userfaultfd);
 314
 315 /* membarrier */
 316 COND_SYSCALL(membarrier);
 317
 318 COND_SYSCALL(mlock2);
 319
 320 COND_SYSCALL(copy_file_range);
 321
 322 /* memory protection keys */
 323 COND_SYSCALL(pkey_mprotect);
 324 COND_SYSCALL(pkey_alloc);
 325 COND_SYSCALL(pkey_free);
 326
 327
 328 /*
 329  * Architecture specific weak syscall entries.
 330  */
 331
 332 /* pciconfig: alpha, arm, arm64, ia64, sparc */
 333 COND_SYSCALL(pciconfig_read);
 334 COND_SYSCALL(pciconfig_write);
 335 COND_SYSCALL(pciconfig_iobase);
 336
 337 /* sys_socketcall: arm, mips, x86, ... */
 338 COND_SYSCALL(socketcall);
 339 COND_SYSCALL_COMPAT(socketcall);
 340
 341 /* compat syscalls for arm64, x86, ... */
 342 COND_SYSCALL_COMPAT(sysctl);
 343 COND_SYSCALL_COMPAT(fanotify_mark);
 344
 345 /* x86 */
 346 COND_SYSCALL(vm86old);
 347 COND_SYSCALL(modify_ldt);
 348 COND_SYSCALL_COMPAT(quotactl32);
 349 COND_SYSCALL(vm86);
 350 COND_SYSCALL(kexec_file_load);
 351
 352 /* s390 */
 353 COND_SYSCALL(s390_pci_mmio_read);
 354 COND_SYSCALL(s390_pci_mmio_write);
 355 COND_SYSCALL_COMPAT(s390_ipc);
 356
 357 /* powerpc */
 358 cond_syscall(ppc_rtas);
 359 COND_SYSCALL(spu_run);
 360 COND_SYSCALL(spu_create);
 361 COND_SYSCALL(subpage_prot);
 362
 363
 364 /*
 365  * Deprecated system calls which are still defined in
 366  * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
 367  */
 368
 369 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
 370 COND_SYSCALL(epoll_create);
 371 COND_SYSCALL(inotify_init);
 372 COND_SYSCALL(eventfd);
 373 COND_SYSCALL(signalfd);
 374 COND_SYSCALL_COMPAT(signalfd);
 375
 376 /* __ARCH_WANT_SYSCALL_OFF_T */
 377 COND_SYSCALL(fadvise64);
 378
 379 /* __ARCH_WANT_SYSCALL_DEPRECATED */
 380 COND_SYSCALL(epoll_wait);
 381 COND_SYSCALL(recv);
 382 COND_SYSCALL_COMPAT(recv);
 383 COND_SYSCALL(send);
 384 COND_SYSCALL(bdflush);
 385 COND_SYSCALL(uselib);
 386
 387
 388 /*
 389  * The syscalls below are not found in include/uapi/asm-generic/unistd.h
 390  */
 391
 392 /* obsolete: SGETMASK_SYSCALL */
 393 COND_SYSCALL(sgetmask);
 394 COND_SYSCALL(ssetmask);
 395
 396 /* obsolete: SYSFS_SYSCALL */
 397 COND_SYSCALL(sysfs);
 398
 399 /* obsolete: __ARCH_WANT_SYS_IPC */
 400 COND_SYSCALL(ipc);
 401 COND_SYSCALL_COMPAT(ipc);
 402
 403 /* obsolete: UID16 */
 404 COND_SYSCALL(chown16);
 405 COND_SYSCALL(fchown16);
 406 COND_SYSCALL(getegid16);
 407 COND_SYSCALL(geteuid16);
 408 COND_SYSCALL(getgid16);
 409 COND_SYSCALL(getgroups16);
 410 COND_SYSCALL(getresgid16);
 411 COND_SYSCALL(getresuid16);
 412 COND_SYSCALL(getuid16);
 413 COND_SYSCALL(lchown16);
 414 COND_SYSCALL(setfsgid16);
 415 COND_SYSCALL(setfsuid16);
 416 COND_SYSCALL(setgid16);
 417 COND_SYSCALL(setgroups16);
 418 COND_SYSCALL(setregid16);
 419 COND_SYSCALL(setresgid16);
 420 COND_SYSCALL(setresuid16);
 421 COND_SYSCALL(setreuid16);
 422 COND_SYSCALL(setuid16);