1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * syscalls.h - Linux syscall interfaces (non-arch-specific) 4 * 5 * Copyright (c) 2004 Randy Dunlap 6 * Copyright (c) 2004 Open Source Development Labs 7 */ 8 9 #ifndef _LINUX_SYSCALLS_H 10 #define _LINUX_SYSCALLS_H 11 12 struct __aio_sigset; 13 struct epoll_event; 14 struct iattr; 15 struct inode; 16 struct iocb; 17 struct io_event; 18 struct iovec; 19 struct __kernel_old_itimerval; 20 struct kexec_segment; 21 struct linux_dirent; 22 struct linux_dirent64; 23 struct list_head; 24 struct mmap_arg_struct; 25 struct msgbuf; 26 struct user_msghdr; 27 struct mmsghdr; 28 struct msqid_ds; 29 struct new_utsname; 30 struct nfsctl_arg; 31 struct __old_kernel_stat; 32 struct oldold_utsname; 33 struct old_utsname; 34 struct pollfd; 35 struct rlimit; 36 struct rlimit64; 37 struct rusage; 38 struct sched_param; 39 struct sched_attr; 40 struct sel_arg_struct; 41 struct semaphore; 42 struct sembuf; 43 struct shmid_ds; 44 struct sockaddr; 45 struct stat; 46 struct stat64; 47 struct statfs; 48 struct statfs64; 49 struct statx; 50 struct sysinfo; 51 struct timespec; 52 struct __kernel_old_timeval; 53 struct __kernel_timex; 54 struct timezone; 55 struct tms; 56 struct utimbuf; 57 struct mq_attr; 58 struct compat_stat; 59 struct old_timeval32; 60 struct robust_list_head; 61 struct futex_waitv; 62 struct getcpu_cache; 63 struct old_linux_dirent; 64 struct perf_event_attr; 65 struct file_handle; 66 struct sigaltstack; 67 struct rseq; 68 union bpf_attr; 69 struct io_uring_params; 70 struct clone_args; 71 struct open_how; 72 struct mount_attr; 73 struct landlock_ruleset_attr; 74 struct lsm_ctx; 75 enum landlock_rule_type; 76 struct cachestat_range; 77 struct cachestat; 78 struct statmount; 79 struct mnt_id_req; 80 81 #include <linux/types.h> 82 #include <linux/aio_abi.h> 83 #include <linux/capability.h> 84 #include <linux/signal.h> 85 #include <linux/list.h> 86 #include <linux/bug.h> 87 #include <linux/sem.h> 88 #include <asm/siginfo.h> 89 #include <linux/unistd.h> 90 #include <linux/quota.h> 91 #include <linux/key.h> 92 #include <linux/personality.h> 93 #include <trace/syscall.h> 94 95 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 96 /* 97 * It may be useful for an architecture to override the definitions of the 98 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a 99 * different calling convention for syscalls. To allow for that, the prototypes 100 * for the sys_*() functions below will *not* be included if 101 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. 102 */ 103 #include <asm/syscall_wrapper.h> 104 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 105 106 /* 107 * __MAP - apply a macro to syscall arguments 108 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to 109 * m(t1, a1), m(t2, a2), ..., m(tn, an) 110 * The first argument must be equal to the amount of type/name 111 * pairs given. Note that this list of pairs (i.e. the arguments 112 * of __MAP starting at the third one) is in the same format as 113 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n> 114 */ 115 #define __MAP0(m,...) 116 #define __MAP1(m,t,a,...) m(t,a) 117 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__) 118 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__) 119 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__) 120 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__) 121 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__) 122 #define __MAP(n,...) __MAP##n(__VA_ARGS__) 123 124 #define __SC_DECL(t, a) t a 125 #define __TYPE_AS(t, v) __same_type((__force t)0, v) 126 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L)) 127 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL)) 128 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL)) 129 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a 130 #define __SC_CAST(t, a) (__force t) a 131 #define __SC_TYPE(t, a) t 132 #define __SC_ARGS(t, a) a 133 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) 134 135 #ifdef CONFIG_FTRACE_SYSCALLS 136 #define __SC_STR_ADECL(t, a) #a 137 #define __SC_STR_TDECL(t, a) #t 138 139 extern struct trace_event_class event_class_syscall_enter; 140 extern struct trace_event_class event_class_syscall_exit; 141 extern struct trace_event_functions enter_syscall_print_funcs; 142 extern struct trace_event_functions exit_syscall_print_funcs; 143 144 #define SYSCALL_TRACE_ENTER_EVENT(sname) \ 145 static struct syscall_metadata __syscall_meta_##sname; \ 146 static struct trace_event_call __used \ 147 event_enter_##sname = { \ 148 .class = &event_class_syscall_enter, \ 149 { \ 150 .name = "sys_enter"#sname, \ 151 }, \ 152 .event.funcs = &enter_syscall_print_funcs, \ 153 .data = (void *)&__syscall_meta_##sname,\ 154 .flags = TRACE_EVENT_FL_CAP_ANY, \ 155 }; \ 156 static struct trace_event_call __used \ 157 __section("_ftrace_events") \ 158 *__event_enter_##sname = &event_enter_##sname; 159 160 #define SYSCALL_TRACE_EXIT_EVENT(sname) \ 161 static struct syscall_metadata __syscall_meta_##sname; \ 162 static struct trace_event_call __used \ 163 event_exit_##sname = { \ 164 .class = &event_class_syscall_exit, \ 165 { \ 166 .name = "sys_exit"#sname, \ 167 }, \ 168 .event.funcs = &exit_syscall_print_funcs, \ 169 .data = (void *)&__syscall_meta_##sname,\ 170 .flags = TRACE_EVENT_FL_CAP_ANY, \ 171 }; \ 172 static struct trace_event_call __used \ 173 __section("_ftrace_events") \ 174 *__event_exit_##sname = &event_exit_##sname; 175 176 #define SYSCALL_METADATA(sname, nb, ...) \ 177 static const char *types_##sname[] = { \ 178 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \ 179 }; \ 180 static const char *args_##sname[] = { \ 181 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \ 182 }; \ 183 SYSCALL_TRACE_ENTER_EVENT(sname); \ 184 SYSCALL_TRACE_EXIT_EVENT(sname); \ 185 static struct syscall_metadata __used \ 186 __syscall_meta_##sname = { \ 187 .name = "sys"#sname, \ 188 .syscall_nr = -1, /* Filled in at boot */ \ 189 .nb_args = nb, \ 190 .types = nb ? types_##sname : NULL, \ 191 .args = nb ? args_##sname : NULL, \ 192 .enter_event = &event_enter_##sname, \ 193 .exit_event = &event_exit_##sname, \ 194 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \ 195 }; \ 196 static struct syscall_metadata __used \ 197 __section("__syscalls_metadata") \ 198 *__p_syscall_meta_##sname = &__syscall_meta_##sname; 199 200 static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 201 { 202 return tp_event->class == &event_class_syscall_enter || 203 tp_event->class == &event_class_syscall_exit; 204 } 205 206 #else 207 #define SYSCALL_METADATA(sname, nb, ...) 208 209 static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 210 { 211 return 0; 212 } 213 #endif 214 215 #ifndef SYSCALL_DEFINE0 216 #define SYSCALL_DEFINE0(sname) \ 217 SYSCALL_METADATA(_##sname, 0); \ 218 asmlinkage long sys_##sname(void); \ 219 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ 220 asmlinkage long sys_##sname(void) 221 #endif /* SYSCALL_DEFINE0 */ 222 223 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 224 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 225 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 226 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 227 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 228 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 229 230 #define SYSCALL_DEFINE_MAXARGS 6 231 232 #define SYSCALL_DEFINEx(x, sname, ...) \ 233 SYSCALL_METADATA(sname, x, __VA_ARGS__) \ 234 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) 235 236 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) 237 238 /* 239 * The asmlinkage stub is aliased to a function named __se_sys_*() which 240 * sign-extends 32-bit ints to longs whenever needed. The actual work is 241 * done within __do_sys_*(). 242 */ 243 #ifndef __SYSCALL_DEFINEx 244 #define __SYSCALL_DEFINEx(x, name, ...) \ 245 __diag_push(); \ 246 __diag_ignore(GCC, 8, "-Wattribute-alias", \ 247 "Type aliasing is used to sanitize syscall arguments");\ 248 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ 249 __attribute__((alias(__stringify(__se_sys##name)))); \ 250 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ 251 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 252 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 253 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 254 { \ 255 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\ 256 __MAP(x,__SC_TEST,__VA_ARGS__); \ 257 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 258 return ret; \ 259 } \ 260 __diag_pop(); \ 261 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 262 #endif /* __SYSCALL_DEFINEx */ 263 264 /* For split 64-bit arguments on 32-bit architectures */ 265 #ifdef __LITTLE_ENDIAN 266 #define SC_ARG64(name) u32, name##_lo, u32, name##_hi 267 #else 268 #define SC_ARG64(name) u32, name##_hi, u32, name##_lo 269 #endif 270 #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo) 271 272 #ifdef CONFIG_COMPAT 273 #define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0 274 #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1 275 #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2 276 #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3 277 #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4 278 #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5 279 #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6 280 #else 281 #define SYSCALL32_DEFINE0 SYSCALL_DEFINE0 282 #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1 283 #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2 284 #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3 285 #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4 286 #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5 287 #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6 288 #endif 289 290 /* 291 * These syscall function prototypes are kept in the same order as 292 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below, 293 * followed by deprecated or obsolete system calls. 294 * 295 * Please note that these prototypes here are only provided for information 296 * purposes, for static analysis, and for linking from the syscall table. 297 * These functions should not be called elsewhere from kernel code. 298 * 299 * As the syscall calling convention may be different from the default 300 * for architectures overriding the syscall calling convention, do not 301 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. 302 */ 303 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 304 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx); 305 asmlinkage long sys_io_destroy(aio_context_t ctx); 306 asmlinkage long sys_io_submit(aio_context_t, long, 307 struct iocb __user * __user *); 308 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb, 309 struct io_event __user *result); 310 asmlinkage long sys_io_getevents(aio_context_t ctx_id, 311 long min_nr, 312 long nr, 313 struct io_event __user *events, 314 struct __kernel_timespec __user *timeout); 315 asmlinkage long sys_io_getevents_time32(__u32 ctx_id, 316 __s32 min_nr, 317 __s32 nr, 318 struct io_event __user *events, 319 struct old_timespec32 __user *timeout); 320 asmlinkage long sys_io_pgetevents(aio_context_t ctx_id, 321 long min_nr, 322 long nr, 323 struct io_event __user *events, 324 struct __kernel_timespec __user *timeout, 325 const struct __aio_sigset *sig); 326 asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id, 327 long min_nr, 328 long nr, 329 struct io_event __user *events, 330 struct old_timespec32 __user *timeout, 331 const struct __aio_sigset *sig); 332 asmlinkage long sys_io_uring_setup(u32 entries, 333 struct io_uring_params __user *p); 334 asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit, 335 u32 min_complete, u32 flags, 336 const void __user *argp, size_t argsz); 337 asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op, 338 void __user *arg, unsigned int nr_args); 339 asmlinkage long sys_setxattr(const char __user *path, const char __user *name, 340 const void __user *value, size_t size, int flags); 341 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name, 342 const void __user *value, size_t size, int flags); 343 asmlinkage long sys_fsetxattr(int fd, const char __user *name, 344 const void __user *value, size_t size, int flags); 345 asmlinkage long sys_getxattr(const char __user *path, const char __user *name, 346 void __user *value, size_t size); 347 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name, 348 void __user *value, size_t size); 349 asmlinkage long sys_fgetxattr(int fd, const char __user *name, 350 void __user *value, size_t size); 351 asmlinkage long sys_listxattr(const char __user *path, char __user *list, 352 size_t size); 353 asmlinkage long sys_llistxattr(const char __user *path, char __user *list, 354 size_t size); 355 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size); 356 asmlinkage long sys_removexattr(const char __user *path, 357 const char __user *name); 358 asmlinkage long sys_lremovexattr(const char __user *path, 359 const char __user *name); 360 asmlinkage long sys_fremovexattr(int fd, const char __user *name); 361 asmlinkage long sys_getcwd(char __user *buf, unsigned long size); 362 asmlinkage long sys_eventfd2(unsigned int count, int flags); 363 asmlinkage long sys_epoll_create1(int flags); 364 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, 365 struct epoll_event __user *event); 366 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events, 367 int maxevents, int timeout, 368 const sigset_t __user *sigmask, 369 size_t sigsetsize); 370 asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events, 371 int maxevents, 372 const struct __kernel_timespec __user *timeout, 373 const sigset_t __user *sigmask, 374 size_t sigsetsize); 375 asmlinkage long sys_dup(unsigned int fildes); 376 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); 377 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); 378 #if BITS_PER_LONG == 32 379 asmlinkage long sys_fcntl64(unsigned int fd, 380 unsigned int cmd, unsigned long arg); 381 #endif 382 asmlinkage long sys_inotify_init1(int flags); 383 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, 384 u32 mask); 385 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); 386 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, 387 unsigned long arg); 388 asmlinkage long sys_ioprio_set(int which, int who, int ioprio); 389 asmlinkage long sys_ioprio_get(int which, int who); 390 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd); 391 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode, 392 unsigned dev); 393 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode); 394 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); 395 asmlinkage long sys_symlinkat(const char __user * oldname, 396 int newdfd, const char __user * newname); 397 asmlinkage long sys_linkat(int olddfd, const char __user *oldname, 398 int newdfd, const char __user *newname, int flags); 399 asmlinkage long sys_renameat(int olddfd, const char __user * oldname, 400 int newdfd, const char __user * newname); 401 asmlinkage long sys_umount(char __user *name, int flags); 402 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, 403 char __user *type, unsigned long flags, 404 void __user *data); 405 asmlinkage long sys_pivot_root(const char __user *new_root, 406 const char __user *put_old); 407 asmlinkage long sys_statfs(const char __user * path, 408 struct statfs __user *buf); 409 asmlinkage long sys_statfs64(const char __user *path, size_t sz, 410 struct statfs64 __user *buf); 411 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf); 412 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, 413 struct statfs64 __user *buf); 414 asmlinkage long sys_statmount(const struct mnt_id_req __user *req, 415 struct statmount __user *buf, size_t bufsize, 416 unsigned int flags); 417 asmlinkage long sys_listmount(const struct mnt_id_req __user *req, 418 u64 __user *mnt_ids, size_t nr_mnt_ids, 419 unsigned int flags); 420 asmlinkage long sys_truncate(const char __user *path, long length); 421 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); 422 #if BITS_PER_LONG == 32 423 asmlinkage long sys_truncate64(const char __user *path, loff_t length); 424 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length); 425 #endif 426 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len); 427 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode); 428 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode, 429 int flags); 430 asmlinkage long sys_chdir(const char __user *filename); 431 asmlinkage long sys_fchdir(unsigned int fd); 432 asmlinkage long sys_chroot(const char __user *filename); 433 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); 434 asmlinkage long sys_fchmodat(int dfd, const char __user *filename, 435 umode_t mode); 436 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename, 437 umode_t mode, unsigned int flags); 438 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, 439 gid_t group, int flag); 440 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); 441 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, 442 umode_t mode); 443 asmlinkage long sys_openat2(int dfd, const char __user *filename, 444 struct open_how *how, size_t size); 445 asmlinkage long sys_close(unsigned int fd); 446 asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd, 447 unsigned int flags); 448 asmlinkage long sys_vhangup(void); 449 asmlinkage long sys_pipe2(int __user *fildes, int flags); 450 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special, 451 qid_t id, void __user *addr); 452 asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id, 453 void __user *addr); 454 asmlinkage long sys_getdents64(unsigned int fd, 455 struct linux_dirent64 __user *dirent, 456 unsigned int count); 457 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, 458 unsigned long offset_low, loff_t __user *result, 459 unsigned int whence); 460 asmlinkage long sys_lseek(unsigned int fd, off_t offset, 461 unsigned int whence); 462 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count); 463 asmlinkage long sys_write(unsigned int fd, const char __user *buf, 464 size_t count); 465 asmlinkage long sys_readv(unsigned long fd, 466 const struct iovec __user *vec, 467 unsigned long vlen); 468 asmlinkage long sys_writev(unsigned long fd, 469 const struct iovec __user *vec, 470 unsigned long vlen); 471 asmlinkage long sys_pread64(unsigned int fd, char __user *buf, 472 size_t count, loff_t pos); 473 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf, 474 size_t count, loff_t pos); 475 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, 476 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 477 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, 478 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 479 asmlinkage long sys_sendfile64(int out_fd, int in_fd, 480 loff_t __user *offset, size_t count); 481 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, 482 fd_set __user *, struct __kernel_timespec __user *, 483 void __user *); 484 asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *, 485 fd_set __user *, struct old_timespec32 __user *, 486 void __user *); 487 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int, 488 struct __kernel_timespec __user *, const sigset_t __user *, 489 size_t); 490 asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int, 491 struct old_timespec32 __user *, const sigset_t __user *, 492 size_t); 493 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags); 494 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov, 495 unsigned long nr_segs, unsigned int flags); 496 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in, 497 int fd_out, loff_t __user *off_out, 498 size_t len, unsigned int flags); 499 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); 500 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf, 501 int bufsiz); 502 asmlinkage long sys_newfstatat(int dfd, const char __user *filename, 503 struct stat __user *statbuf, int flag); 504 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf); 505 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 506 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); 507 asmlinkage long sys_fstatat64(int dfd, const char __user *filename, 508 struct stat64 __user *statbuf, int flag); 509 #endif 510 asmlinkage long sys_sync(void); 511 asmlinkage long sys_fsync(unsigned int fd); 512 asmlinkage long sys_fdatasync(unsigned int fd); 513 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags, 514 loff_t offset, loff_t nbytes); 515 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 516 unsigned int flags); 517 asmlinkage long sys_timerfd_create(int clockid, int flags); 518 asmlinkage long sys_timerfd_settime(int ufd, int flags, 519 const struct __kernel_itimerspec __user *utmr, 520 struct __kernel_itimerspec __user *otmr); 521 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr); 522 asmlinkage long sys_timerfd_gettime32(int ufd, 523 struct old_itimerspec32 __user *otmr); 524 asmlinkage long sys_timerfd_settime32(int ufd, int flags, 525 const struct old_itimerspec32 __user *utmr, 526 struct old_itimerspec32 __user *otmr); 527 asmlinkage long sys_utimensat(int dfd, const char __user *filename, 528 struct __kernel_timespec __user *utimes, 529 int flags); 530 asmlinkage long sys_utimensat_time32(unsigned int dfd, 531 const char __user *filename, 532 struct old_timespec32 __user *t, int flags); 533 asmlinkage long sys_acct(const char __user *name); 534 asmlinkage long sys_capget(cap_user_header_t header, 535 cap_user_data_t dataptr); 536 asmlinkage long sys_capset(cap_user_header_t header, 537 const cap_user_data_t data); 538 asmlinkage long sys_personality(unsigned int personality); 539 asmlinkage long sys_exit(int error_code); 540 asmlinkage long sys_exit_group(int error_code); 541 asmlinkage long sys_waitid(int which, pid_t pid, 542 struct siginfo __user *infop, 543 int options, struct rusage __user *ru); 544 asmlinkage long sys_set_tid_address(int __user *tidptr); 545 asmlinkage long sys_unshare(unsigned long unshare_flags); 546 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, 547 const struct __kernel_timespec __user *utime, 548 u32 __user *uaddr2, u32 val3); 549 asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, 550 const struct old_timespec32 __user *utime, 551 u32 __user *uaddr2, u32 val3); 552 asmlinkage long sys_get_robust_list(int pid, 553 struct robust_list_head __user * __user *head_ptr, 554 size_t __user *len_ptr); 555 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, 556 size_t len); 557 558 asmlinkage long sys_futex_waitv(struct futex_waitv *waiters, 559 unsigned int nr_futexes, unsigned int flags, 560 struct __kernel_timespec __user *timeout, clockid_t clockid); 561 562 asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags); 563 564 asmlinkage long sys_futex_wait(void __user *uaddr, unsigned long val, unsigned long mask, 565 unsigned int flags, struct __kernel_timespec __user *timespec, 566 clockid_t clockid); 567 568 asmlinkage long sys_futex_requeue(struct futex_waitv __user *waiters, 569 unsigned int flags, int nr_wake, int nr_requeue); 570 571 asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp, 572 struct __kernel_timespec __user *rmtp); 573 asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp, 574 struct old_timespec32 __user *rmtp); 575 asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value); 576 asmlinkage long sys_setitimer(int which, 577 struct __kernel_old_itimerval __user *value, 578 struct __kernel_old_itimerval __user *ovalue); 579 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, 580 struct kexec_segment __user *segments, 581 unsigned long flags); 582 asmlinkage long sys_init_module(void __user *umod, unsigned long len, 583 const char __user *uargs); 584 asmlinkage long sys_delete_module(const char __user *name_user, 585 unsigned int flags); 586 asmlinkage long sys_timer_create(clockid_t which_clock, 587 struct sigevent __user *timer_event_spec, 588 timer_t __user * created_timer_id); 589 asmlinkage long sys_timer_gettime(timer_t timer_id, 590 struct __kernel_itimerspec __user *setting); 591 asmlinkage long sys_timer_getoverrun(timer_t timer_id); 592 asmlinkage long sys_timer_settime(timer_t timer_id, int flags, 593 const struct __kernel_itimerspec __user *new_setting, 594 struct __kernel_itimerspec __user *old_setting); 595 asmlinkage long sys_timer_delete(timer_t timer_id); 596 asmlinkage long sys_clock_settime(clockid_t which_clock, 597 const struct __kernel_timespec __user *tp); 598 asmlinkage long sys_clock_gettime(clockid_t which_clock, 599 struct __kernel_timespec __user *tp); 600 asmlinkage long sys_clock_getres(clockid_t which_clock, 601 struct __kernel_timespec __user *tp); 602 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, 603 const struct __kernel_timespec __user *rqtp, 604 struct __kernel_timespec __user *rmtp); 605 asmlinkage long sys_timer_gettime32(timer_t timer_id, 606 struct old_itimerspec32 __user *setting); 607 asmlinkage long sys_timer_settime32(timer_t timer_id, int flags, 608 struct old_itimerspec32 __user *new, 609 struct old_itimerspec32 __user *old); 610 asmlinkage long sys_clock_settime32(clockid_t which_clock, 611 struct old_timespec32 __user *tp); 612 asmlinkage long sys_clock_gettime32(clockid_t which_clock, 613 struct old_timespec32 __user *tp); 614 asmlinkage long sys_clock_getres_time32(clockid_t which_clock, 615 struct old_timespec32 __user *tp); 616 asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags, 617 struct old_timespec32 __user *rqtp, 618 struct old_timespec32 __user *rmtp); 619 asmlinkage long sys_syslog(int type, char __user *buf, int len); 620 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, 621 unsigned long data); 622 asmlinkage long sys_sched_setparam(pid_t pid, 623 struct sched_param __user *param); 624 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy, 625 struct sched_param __user *param); 626 asmlinkage long sys_sched_getscheduler(pid_t pid); 627 asmlinkage long sys_sched_getparam(pid_t pid, 628 struct sched_param __user *param); 629 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len, 630 unsigned long __user *user_mask_ptr); 631 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len, 632 unsigned long __user *user_mask_ptr); 633 asmlinkage long sys_sched_yield(void); 634 asmlinkage long sys_sched_get_priority_max(int policy); 635 asmlinkage long sys_sched_get_priority_min(int policy); 636 asmlinkage long sys_sched_rr_get_interval(pid_t pid, 637 struct __kernel_timespec __user *interval); 638 asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid, 639 struct old_timespec32 __user *interval); 640 asmlinkage long sys_restart_syscall(void); 641 asmlinkage long sys_kill(pid_t pid, int sig); 642 asmlinkage long sys_tkill(pid_t pid, int sig); 643 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig); 644 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss, 645 struct sigaltstack __user *uoss); 646 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); 647 #ifndef CONFIG_ODD_RT_SIGACTION 648 asmlinkage long sys_rt_sigaction(int, 649 const struct sigaction __user *, 650 struct sigaction __user *, 651 size_t); 652 #endif 653 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set, 654 sigset_t __user *oset, size_t sigsetsize); 655 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize); 656 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese, 657 siginfo_t __user *uinfo, 658 const struct __kernel_timespec __user *uts, 659 size_t sigsetsize); 660 asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese, 661 siginfo_t __user *uinfo, 662 const struct old_timespec32 __user *uts, 663 size_t sigsetsize); 664 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo); 665 asmlinkage long sys_setpriority(int which, int who, int niceval); 666 asmlinkage long sys_getpriority(int which, int who); 667 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, 668 void __user *arg); 669 asmlinkage long sys_setregid(gid_t rgid, gid_t egid); 670 asmlinkage long sys_setgid(gid_t gid); 671 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid); 672 asmlinkage long sys_setuid(uid_t uid); 673 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid); 674 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid); 675 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid); 676 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid); 677 asmlinkage long sys_setfsuid(uid_t uid); 678 asmlinkage long sys_setfsgid(gid_t gid); 679 asmlinkage long sys_times(struct tms __user *tbuf); 680 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid); 681 asmlinkage long sys_getpgid(pid_t pid); 682 asmlinkage long sys_getsid(pid_t pid); 683 asmlinkage long sys_setsid(void); 684 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist); 685 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist); 686 asmlinkage long sys_newuname(struct new_utsname __user *name); 687 asmlinkage long sys_sethostname(char __user *name, int len); 688 asmlinkage long sys_setdomainname(char __user *name, int len); 689 asmlinkage long sys_getrlimit(unsigned int resource, 690 struct rlimit __user *rlim); 691 asmlinkage long sys_setrlimit(unsigned int resource, 692 struct rlimit __user *rlim); 693 asmlinkage long sys_getrusage(int who, struct rusage __user *ru); 694 asmlinkage long sys_umask(int mask); 695 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, 696 unsigned long arg4, unsigned long arg5); 697 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache); 698 asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv, 699 struct timezone __user *tz); 700 asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv, 701 struct timezone __user *tz); 702 asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p); 703 asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p); 704 asmlinkage long sys_getpid(void); 705 asmlinkage long sys_getppid(void); 706 asmlinkage long sys_getuid(void); 707 asmlinkage long sys_geteuid(void); 708 asmlinkage long sys_getgid(void); 709 asmlinkage long sys_getegid(void); 710 asmlinkage long sys_gettid(void); 711 asmlinkage long sys_sysinfo(struct sysinfo __user *info); 712 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); 713 asmlinkage long sys_mq_unlink(const char __user *name); 714 asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct __kernel_timespec __user *abs_timeout); 715 asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct __kernel_timespec __user *abs_timeout); 716 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); 717 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); 718 asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes, 719 char __user *u_msg_ptr, 720 unsigned int msg_len, unsigned int __user *u_msg_prio, 721 const struct old_timespec32 __user *u_abs_timeout); 722 asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes, 723 const char __user *u_msg_ptr, 724 unsigned int msg_len, unsigned int msg_prio, 725 const struct old_timespec32 __user *u_abs_timeout); 726 asmlinkage long sys_msgget(key_t key, int msgflg); 727 asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 728 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 729 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, 730 size_t msgsz, long msgtyp, int msgflg); 731 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp, 732 size_t msgsz, int msgflg); 733 asmlinkage long sys_semget(key_t key, int nsems, int semflg); 734 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); 735 asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); 736 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, 737 unsigned nsops, 738 const struct __kernel_timespec __user *timeout); 739 asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops, 740 unsigned nsops, 741 const struct old_timespec32 __user *timeout); 742 asmlinkage long sys_semop(int semid, struct sembuf __user *sops, 743 unsigned nsops); 744 asmlinkage long sys_shmget(key_t key, size_t size, int flag); 745 asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 746 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 747 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); 748 asmlinkage long sys_shmdt(char __user *shmaddr); 749 asmlinkage long sys_socket(int, int, int); 750 asmlinkage long sys_socketpair(int, int, int, int __user *); 751 asmlinkage long sys_bind(int, struct sockaddr __user *, int); 752 asmlinkage long sys_listen(int, int); 753 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *); 754 asmlinkage long sys_connect(int, struct sockaddr __user *, int); 755 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); 756 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); 757 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, 758 struct sockaddr __user *, int); 759 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned, 760 struct sockaddr __user *, int __user *); 761 asmlinkage long sys_setsockopt(int fd, int level, int optname, 762 char __user *optval, int optlen); 763 asmlinkage long sys_getsockopt(int fd, int level, int optname, 764 char __user *optval, int __user *optlen); 765 asmlinkage long sys_shutdown(int, int); 766 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 767 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 768 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count); 769 asmlinkage long sys_brk(unsigned long brk); 770 asmlinkage long sys_munmap(unsigned long addr, size_t len); 771 asmlinkage long sys_mremap(unsigned long addr, 772 unsigned long old_len, unsigned long new_len, 773 unsigned long flags, unsigned long new_addr); 774 asmlinkage long sys_add_key(const char __user *_type, 775 const char __user *_description, 776 const void __user *_payload, 777 size_t plen, 778 key_serial_t destringid); 779 asmlinkage long sys_request_key(const char __user *_type, 780 const char __user *_description, 781 const char __user *_callout_info, 782 key_serial_t destringid); 783 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, 784 unsigned long arg4, unsigned long arg5); 785 #ifdef CONFIG_CLONE_BACKWARDS 786 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long, 787 int __user *); 788 #else 789 #ifdef CONFIG_CLONE_BACKWARDS3 790 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *, 791 int __user *, unsigned long); 792 #else 793 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, 794 int __user *, unsigned long); 795 #endif 796 #endif 797 798 asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size); 799 800 asmlinkage long sys_execve(const char __user *filename, 801 const char __user *const __user *argv, 802 const char __user *const __user *envp); 803 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 804 805 /* CONFIG_MMU only */ 806 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags); 807 asmlinkage long sys_swapoff(const char __user *specialfile); 808 asmlinkage long sys_mprotect(unsigned long start, size_t len, 809 unsigned long prot); 810 asmlinkage long sys_msync(unsigned long start, size_t len, int flags); 811 asmlinkage long sys_mlock(unsigned long start, size_t len); 812 asmlinkage long sys_munlock(unsigned long start, size_t len); 813 asmlinkage long sys_mlockall(int flags); 814 asmlinkage long sys_munlockall(void); 815 asmlinkage long sys_mincore(unsigned long start, size_t len, 816 unsigned char __user * vec); 817 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior); 818 asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec, 819 size_t vlen, int behavior, unsigned int flags); 820 asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags); 821 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, 822 unsigned long prot, unsigned long pgoff, 823 unsigned long flags); 824 asmlinkage long sys_mbind(unsigned long start, unsigned long len, 825 unsigned long mode, 826 const unsigned long __user *nmask, 827 unsigned long maxnode, 828 unsigned flags); 829 asmlinkage long sys_get_mempolicy(int __user *policy, 830 unsigned long __user *nmask, 831 unsigned long maxnode, 832 unsigned long addr, unsigned long flags); 833 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask, 834 unsigned long maxnode); 835 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, 836 const unsigned long __user *from, 837 const unsigned long __user *to); 838 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, 839 const void __user * __user *pages, 840 const int __user *nodes, 841 int __user *status, 842 int flags); 843 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, 844 siginfo_t __user *uinfo); 845 asmlinkage long sys_perf_event_open( 846 struct perf_event_attr __user *attr_uptr, 847 pid_t pid, int cpu, int group_fd, unsigned long flags); 848 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int); 849 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg, 850 unsigned int vlen, unsigned flags, 851 struct __kernel_timespec __user *timeout); 852 asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg, 853 unsigned int vlen, unsigned flags, 854 struct old_timespec32 __user *timeout); 855 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr, 856 int options, struct rusage __user *ru); 857 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, 858 const struct rlimit64 __user *new_rlim, 859 struct rlimit64 __user *old_rlim); 860 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); 861 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, 862 u64 mask, int fd, 863 const char __user *pathname); 864 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, 865 struct file_handle __user *handle, 866 int __user *mnt_id, int flag); 867 asmlinkage long sys_open_by_handle_at(int mountdirfd, 868 struct file_handle __user *handle, 869 int flags); 870 asmlinkage long sys_clock_adjtime(clockid_t which_clock, 871 struct __kernel_timex __user *tx); 872 asmlinkage long sys_clock_adjtime32(clockid_t which_clock, 873 struct old_timex32 __user *tx); 874 asmlinkage long sys_syncfs(int fd); 875 asmlinkage long sys_setns(int fd, int nstype); 876 asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags); 877 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, 878 unsigned int vlen, unsigned flags); 879 asmlinkage long sys_process_vm_readv(pid_t pid, 880 const struct iovec __user *lvec, 881 unsigned long liovcnt, 882 const struct iovec __user *rvec, 883 unsigned long riovcnt, 884 unsigned long flags); 885 asmlinkage long sys_process_vm_writev(pid_t pid, 886 const struct iovec __user *lvec, 887 unsigned long liovcnt, 888 const struct iovec __user *rvec, 889 unsigned long riovcnt, 890 unsigned long flags); 891 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type, 892 unsigned long idx1, unsigned long idx2); 893 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags); 894 asmlinkage long sys_sched_setattr(pid_t pid, 895 struct sched_attr __user *attr, 896 unsigned int flags); 897 asmlinkage long sys_sched_getattr(pid_t pid, 898 struct sched_attr __user *attr, 899 unsigned int size, 900 unsigned int flags); 901 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname, 902 int newdfd, const char __user *newname, 903 unsigned int flags); 904 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags, 905 void __user *uargs); 906 asmlinkage long sys_getrandom(char __user *buf, size_t count, 907 unsigned int flags); 908 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags); 909 asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size); 910 asmlinkage long sys_execveat(int dfd, const char __user *filename, 911 const char __user *const __user *argv, 912 const char __user *const __user *envp, int flags); 913 asmlinkage long sys_userfaultfd(int flags); 914 asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id); 915 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags); 916 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in, 917 int fd_out, loff_t __user *off_out, 918 size_t len, unsigned int flags); 919 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec, 920 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 921 rwf_t flags); 922 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec, 923 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 924 rwf_t flags); 925 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len, 926 unsigned long prot, int pkey); 927 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val); 928 asmlinkage long sys_pkey_free(int pkey); 929 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags, 930 unsigned mask, struct statx __user *buffer); 931 asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len, 932 int flags, uint32_t sig); 933 asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags); 934 asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path, 935 int to_dfd, const char __user *to_path, 936 unsigned int ms_flags); 937 asmlinkage long sys_mount_setattr(int dfd, const char __user *path, 938 unsigned int flags, 939 struct mount_attr __user *uattr, size_t usize); 940 asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags); 941 asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key, 942 const void __user *value, int aux); 943 asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags); 944 asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags); 945 asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, 946 siginfo_t __user *info, 947 unsigned int flags); 948 asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags); 949 asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr, 950 size_t size, __u32 flags); 951 asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type, 952 const void __user *rule_attr, __u32 flags); 953 asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags); 954 asmlinkage long sys_memfd_secret(unsigned int flags); 955 asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len, 956 unsigned long home_node, 957 unsigned long flags); 958 asmlinkage long sys_cachestat(unsigned int fd, 959 struct cachestat_range __user *cstat_range, 960 struct cachestat __user *cstat, unsigned int flags); 961 asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags); 962 asmlinkage long sys_lsm_get_self_attr(unsigned int attr, struct lsm_ctx *ctx, 963 size_t *size, __u32 flags); 964 asmlinkage long sys_lsm_set_self_attr(unsigned int attr, struct lsm_ctx *ctx, 965 size_t size, __u32 flags); 966 asmlinkage long sys_lsm_list_modules(u64 *ids, size_t *size, u32 flags); 967 968 /* 969 * Architecture-specific system calls 970 */ 971 972 /* x86 */ 973 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on); 974 975 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 976 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn, 977 unsigned long off, unsigned long len, 978 void __user *buf); 979 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn, 980 unsigned long off, unsigned long len, 981 void __user *buf); 982 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn); 983 984 /* powerpc */ 985 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, 986 __u32 __user *ustatus); 987 asmlinkage long sys_spu_create(const char __user *name, 988 unsigned int flags, umode_t mode, int fd); 989 990 991 /* 992 * Deprecated system calls which are still defined in 993 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 994 */ 995 996 /* __ARCH_WANT_SYSCALL_NO_AT */ 997 asmlinkage long sys_open(const char __user *filename, 998 int flags, umode_t mode); 999 asmlinkage long sys_link(const char __user *oldname, 1000 const char __user *newname); 1001 asmlinkage long sys_unlink(const char __user *pathname); 1002 asmlinkage long sys_mknod(const char __user *filename, umode_t mode, 1003 unsigned dev); 1004 asmlinkage long sys_chmod(const char __user *filename, umode_t mode); 1005 asmlinkage long sys_chown(const char __user *filename, 1006 uid_t user, gid_t group); 1007 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); 1008 asmlinkage long sys_rmdir(const char __user *pathname); 1009 asmlinkage long sys_lchown(const char __user *filename, 1010 uid_t user, gid_t group); 1011 asmlinkage long sys_access(const char __user *filename, int mode); 1012 asmlinkage long sys_rename(const char __user *oldname, 1013 const char __user *newname); 1014 asmlinkage long sys_symlink(const char __user *old, const char __user *new); 1015 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 1016 asmlinkage long sys_stat64(const char __user *filename, 1017 struct stat64 __user *statbuf); 1018 asmlinkage long sys_lstat64(const char __user *filename, 1019 struct stat64 __user *statbuf); 1020 #endif 1021 1022 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 1023 asmlinkage long sys_pipe(int __user *fildes); 1024 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); 1025 asmlinkage long sys_epoll_create(int size); 1026 asmlinkage long sys_inotify_init(void); 1027 asmlinkage long sys_eventfd(unsigned int count); 1028 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask); 1029 1030 /* __ARCH_WANT_SYSCALL_OFF_T */ 1031 asmlinkage long sys_sendfile(int out_fd, int in_fd, 1032 off_t __user *offset, size_t count); 1033 asmlinkage long sys_newstat(const char __user *filename, 1034 struct stat __user *statbuf); 1035 asmlinkage long sys_newlstat(const char __user *filename, 1036 struct stat __user *statbuf); 1037 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice); 1038 1039 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 1040 asmlinkage long sys_alarm(unsigned int seconds); 1041 asmlinkage long sys_getpgrp(void); 1042 asmlinkage long sys_pause(void); 1043 asmlinkage long sys_time(__kernel_old_time_t __user *tloc); 1044 asmlinkage long sys_time32(old_time32_t __user *tloc); 1045 #ifdef __ARCH_WANT_SYS_UTIME 1046 asmlinkage long sys_utime(char __user *filename, 1047 struct utimbuf __user *times); 1048 asmlinkage long sys_utimes(char __user *filename, 1049 struct __kernel_old_timeval __user *utimes); 1050 asmlinkage long sys_futimesat(int dfd, const char __user *filename, 1051 struct __kernel_old_timeval __user *utimes); 1052 #endif 1053 asmlinkage long sys_futimesat_time32(unsigned int dfd, 1054 const char __user *filename, 1055 struct old_timeval32 __user *t); 1056 asmlinkage long sys_utime32(const char __user *filename, 1057 struct old_utimbuf32 __user *t); 1058 asmlinkage long sys_utimes_time32(const char __user *filename, 1059 struct old_timeval32 __user *t); 1060 asmlinkage long sys_creat(const char __user *pathname, umode_t mode); 1061 asmlinkage long sys_getdents(unsigned int fd, 1062 struct linux_dirent __user *dirent, 1063 unsigned int count); 1064 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, 1065 fd_set __user *exp, struct __kernel_old_timeval __user *tvp); 1066 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, 1067 int timeout); 1068 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events, 1069 int maxevents, int timeout); 1070 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf); 1071 asmlinkage long sys_vfork(void); 1072 asmlinkage long sys_recv(int, void __user *, size_t, unsigned); 1073 asmlinkage long sys_send(int, void __user *, size_t, unsigned); 1074 asmlinkage long sys_oldumount(char __user *name); 1075 asmlinkage long sys_uselib(const char __user *library); 1076 asmlinkage long sys_sysfs(int option, 1077 unsigned long arg1, unsigned long arg2); 1078 asmlinkage long sys_fork(void); 1079 1080 /* obsolete */ 1081 asmlinkage long sys_stime(__kernel_old_time_t __user *tptr); 1082 asmlinkage long sys_stime32(old_time32_t __user *tptr); 1083 1084 /* obsolete */ 1085 asmlinkage long sys_sigpending(old_sigset_t __user *uset); 1086 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, 1087 old_sigset_t __user *oset); 1088 #ifdef CONFIG_OLD_SIGSUSPEND 1089 asmlinkage long sys_sigsuspend(old_sigset_t mask); 1090 #endif 1091 1092 #ifdef CONFIG_OLD_SIGSUSPEND3 1093 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask); 1094 #endif 1095 1096 #ifdef CONFIG_OLD_SIGACTION 1097 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *, 1098 struct old_sigaction __user *); 1099 #endif 1100 asmlinkage long sys_sgetmask(void); 1101 asmlinkage long sys_ssetmask(int newmask); 1102 asmlinkage long sys_signal(int sig, __sighandler_t handler); 1103 1104 /* obsolete */ 1105 asmlinkage long sys_nice(int increment); 1106 1107 /* obsolete */ 1108 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd, 1109 unsigned long cmdline_len, 1110 const char __user *cmdline_ptr, 1111 unsigned long flags); 1112 1113 /* obsolete */ 1114 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options); 1115 1116 /* obsolete */ 1117 #ifdef CONFIG_HAVE_UID16 1118 asmlinkage long sys_chown16(const char __user *filename, 1119 old_uid_t user, old_gid_t group); 1120 asmlinkage long sys_lchown16(const char __user *filename, 1121 old_uid_t user, old_gid_t group); 1122 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group); 1123 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid); 1124 asmlinkage long sys_setgid16(old_gid_t gid); 1125 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid); 1126 asmlinkage long sys_setuid16(old_uid_t uid); 1127 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid); 1128 asmlinkage long sys_getresuid16(old_uid_t __user *ruid, 1129 old_uid_t __user *euid, old_uid_t __user *suid); 1130 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid); 1131 asmlinkage long sys_getresgid16(old_gid_t __user *rgid, 1132 old_gid_t __user *egid, old_gid_t __user *sgid); 1133 asmlinkage long sys_setfsuid16(old_uid_t uid); 1134 asmlinkage long sys_setfsgid16(old_gid_t gid); 1135 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist); 1136 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist); 1137 asmlinkage long sys_getuid16(void); 1138 asmlinkage long sys_geteuid16(void); 1139 asmlinkage long sys_getgid16(void); 1140 asmlinkage long sys_getegid16(void); 1141 #endif 1142 1143 /* obsolete */ 1144 asmlinkage long sys_socketcall(int call, unsigned long __user *args); 1145 1146 /* obsolete */ 1147 asmlinkage long sys_stat(const char __user *filename, 1148 struct __old_kernel_stat __user *statbuf); 1149 asmlinkage long sys_lstat(const char __user *filename, 1150 struct __old_kernel_stat __user *statbuf); 1151 asmlinkage long sys_fstat(unsigned int fd, 1152 struct __old_kernel_stat __user *statbuf); 1153 asmlinkage long sys_readlink(const char __user *path, 1154 char __user *buf, int bufsiz); 1155 1156 /* obsolete */ 1157 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg); 1158 1159 /* obsolete */ 1160 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int); 1161 1162 /* obsolete */ 1163 asmlinkage long sys_gethostname(char __user *name, int len); 1164 asmlinkage long sys_uname(struct old_utsname __user *); 1165 asmlinkage long sys_olduname(struct oldold_utsname __user *); 1166 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT 1167 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim); 1168 #endif 1169 1170 /* obsolete */ 1171 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, 1172 unsigned long third, void __user *ptr, long fifth); 1173 1174 /* obsolete */ 1175 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len, 1176 unsigned long prot, unsigned long flags, 1177 unsigned long fd, unsigned long pgoff); 1178 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg); 1179 1180 1181 /* 1182 * Not a real system call, but a placeholder for syscalls which are 1183 * not implemented -- see kernel/sys_ni.c 1184 */ 1185 asmlinkage long sys_ni_syscall(void); 1186 1187 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 1188 1189 asmlinkage long sys_ni_posix_timers(void); 1190 1191 /* 1192 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly. 1193 * Instead, use one of the functions which work equivalently, such as 1194 * the ksys_xyzyyz() functions prototyped below. 1195 */ 1196 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count); 1197 int ksys_fchown(unsigned int fd, uid_t user, gid_t group); 1198 ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count); 1199 void ksys_sync(void); 1200 int ksys_unshare(unsigned long unshare_flags); 1201 int ksys_setsid(void); 1202 int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 1203 unsigned int flags); 1204 ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count, 1205 loff_t pos); 1206 ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf, 1207 size_t count, loff_t pos); 1208 int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len); 1209 #ifdef CONFIG_ADVISE_SYSCALLS 1210 int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 1211 #else 1212 static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, 1213 int advice) 1214 { 1215 return -EINVAL; 1216 } 1217 #endif 1218 unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, 1219 unsigned long prot, unsigned long flags, 1220 unsigned long fd, unsigned long pgoff); 1221 ssize_t ksys_readahead(int fd, loff_t offset, size_t count); 1222 int ksys_ipc(unsigned int call, int first, unsigned long second, 1223 unsigned long third, void __user * ptr, long fifth); 1224 int compat_ksys_ipc(u32 call, int first, int second, 1225 u32 third, u32 ptr, u32 fifth); 1226 1227 /* 1228 * The following kernel syscall equivalents are just wrappers to fs-internal 1229 * functions. Therefore, provide stubs to be inlined at the callsites. 1230 */ 1231 extern int do_fchownat(int dfd, const char __user *filename, uid_t user, 1232 gid_t group, int flag); 1233 1234 static inline long ksys_chown(const char __user *filename, uid_t user, 1235 gid_t group) 1236 { 1237 return do_fchownat(AT_FDCWD, filename, user, group, 0); 1238 } 1239 1240 static inline long ksys_lchown(const char __user *filename, uid_t user, 1241 gid_t group) 1242 { 1243 return do_fchownat(AT_FDCWD, filename, user, group, 1244 AT_SYMLINK_NOFOLLOW); 1245 } 1246 1247 extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small); 1248 1249 static inline long ksys_ftruncate(unsigned int fd, loff_t length) 1250 { 1251 return do_sys_ftruncate(fd, length, 1); 1252 } 1253 1254 extern long do_sys_truncate(const char __user *pathname, loff_t length); 1255 1256 static inline long ksys_truncate(const char __user *pathname, loff_t length) 1257 { 1258 return do_sys_truncate(pathname, length); 1259 } 1260 1261 static inline unsigned int ksys_personality(unsigned int personality) 1262 { 1263 unsigned int old = current->personality; 1264 1265 if (personality != 0xffffffff) 1266 set_personality(personality); 1267 1268 return old; 1269 } 1270 1271 /* for __ARCH_WANT_SYS_IPC */ 1272 long ksys_semtimedop(int semid, struct sembuf __user *tsops, 1273 unsigned int nsops, 1274 const struct __kernel_timespec __user *timeout); 1275 long ksys_semget(key_t key, int nsems, int semflg); 1276 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); 1277 long ksys_msgget(key_t key, int msgflg); 1278 long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 1279 long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz, 1280 long msgtyp, int msgflg); 1281 long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz, 1282 int msgflg); 1283 long ksys_shmget(key_t key, size_t size, int shmflg); 1284 long ksys_shmdt(char __user *shmaddr); 1285 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 1286 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems, 1287 unsigned int nsops, 1288 const struct old_timespec32 __user *timeout); 1289 long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops, 1290 const struct timespec64 *timeout, 1291 struct ipc_namespace *ns); 1292 1293 int __sys_getsockopt(int fd, int level, int optname, char __user *optval, 1294 int __user *optlen); 1295 int __sys_setsockopt(int fd, int level, int optname, char __user *optval, 1296 int optlen); 1297 #endif 1298