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