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