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 78 #include <linux/types.h> 79 #include <linux/aio_abi.h> 80 #include <linux/capability.h> 81 #include <linux/signal.h> 82 #include <linux/list.h> 83 #include <linux/bug.h> 84 #include <linux/sem.h> 85 #include <asm/siginfo.h> 86 #include <linux/unistd.h> 87 #include <linux/quota.h> 88 #include <linux/key.h> 89 #include <linux/personality.h> 90 #include <trace/syscall.h> 91 92 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 93 /* 94 * It may be useful for an architecture to override the definitions of the 95 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a 96 * different calling convention for syscalls. To allow for that, the prototypes 97 * for the sys_*() functions below will *not* be included if 98 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. 99 */ 100 #include <asm/syscall_wrapper.h> 101 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 102 103 /* 104 * __MAP - apply a macro to syscall arguments 105 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to 106 * m(t1, a1), m(t2, a2), ..., m(tn, an) 107 * The first argument must be equal to the amount of type/name 108 * pairs given. Note that this list of pairs (i.e. the arguments 109 * of __MAP starting at the third one) is in the same format as 110 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n> 111 */ 112 #define __MAP0(m,...) 113 #define __MAP1(m,t,a,...) m(t,a) 114 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__) 115 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__) 116 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__) 117 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__) 118 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__) 119 #define __MAP(n,...) __MAP##n(__VA_ARGS__) 120 121 #define __SC_DECL(t, a) t a 122 #define __TYPE_AS(t, v) __same_type((__force t)0, v) 123 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L)) 124 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL)) 125 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL)) 126 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a 127 #define __SC_CAST(t, a) (__force t) a 128 #define __SC_ARGS(t, a) a 129 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) 130 131 #ifdef CONFIG_FTRACE_SYSCALLS 132 #define __SC_STR_ADECL(t, a) #a 133 #define __SC_STR_TDECL(t, a) #t 134 135 extern struct trace_event_class event_class_syscall_enter; 136 extern struct trace_event_class event_class_syscall_exit; 137 extern struct trace_event_functions enter_syscall_print_funcs; 138 extern struct trace_event_functions exit_syscall_print_funcs; 139 140 #define SYSCALL_TRACE_ENTER_EVENT(sname) \ 141 static struct syscall_metadata __syscall_meta_##sname; \ 142 static struct trace_event_call __used \ 143 event_enter_##sname = { \ 144 .class = &event_class_syscall_enter, \ 145 { \ 146 .name = "sys_enter"#sname, \ 147 }, \ 148 .event.funcs = &enter_syscall_print_funcs, \ 149 .data = (void *)&__syscall_meta_##sname,\ 150 .flags = TRACE_EVENT_FL_CAP_ANY, \ 151 }; \ 152 static struct trace_event_call __used \ 153 __section("_ftrace_events") \ 154 *__event_enter_##sname = &event_enter_##sname; 155 156 #define SYSCALL_TRACE_EXIT_EVENT(sname) \ 157 static struct syscall_metadata __syscall_meta_##sname; \ 158 static struct trace_event_call __used \ 159 event_exit_##sname = { \ 160 .class = &event_class_syscall_exit, \ 161 { \ 162 .name = "sys_exit"#sname, \ 163 }, \ 164 .event.funcs = &exit_syscall_print_funcs, \ 165 .data = (void *)&__syscall_meta_##sname,\ 166 .flags = TRACE_EVENT_FL_CAP_ANY, \ 167 }; \ 168 static struct trace_event_call __used \ 169 __section("_ftrace_events") \ 170 *__event_exit_##sname = &event_exit_##sname; 171 172 #define SYSCALL_METADATA(sname, nb, ...) \ 173 static const char *types_##sname[] = { \ 174 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \ 175 }; \ 176 static const char *args_##sname[] = { \ 177 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \ 178 }; \ 179 SYSCALL_TRACE_ENTER_EVENT(sname); \ 180 SYSCALL_TRACE_EXIT_EVENT(sname); \ 181 static struct syscall_metadata __used \ 182 __syscall_meta_##sname = { \ 183 .name = "sys"#sname, \ 184 .syscall_nr = -1, /* Filled in at boot */ \ 185 .nb_args = nb, \ 186 .types = nb ? types_##sname : NULL, \ 187 .args = nb ? args_##sname : NULL, \ 188 .enter_event = &event_enter_##sname, \ 189 .exit_event = &event_exit_##sname, \ 190 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \ 191 }; \ 192 static struct syscall_metadata __used \ 193 __section("__syscalls_metadata") \ 194 *__p_syscall_meta_##sname = &__syscall_meta_##sname; 195 196 static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 197 { 198 return tp_event->class == &event_class_syscall_enter || 199 tp_event->class == &event_class_syscall_exit; 200 } 201 202 #else 203 #define SYSCALL_METADATA(sname, nb, ...) 204 205 static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 206 { 207 return 0; 208 } 209 #endif 210 211 #ifndef SYSCALL_DEFINE0 212 #define SYSCALL_DEFINE0(sname) \ 213 SYSCALL_METADATA(_##sname, 0); \ 214 asmlinkage long sys_##sname(void); \ 215 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ 216 asmlinkage long sys_##sname(void) 217 #endif /* SYSCALL_DEFINE0 */ 218 219 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 220 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 221 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 222 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 223 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 224 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 225 226 #define SYSCALL_DEFINE_MAXARGS 6 227 228 #define SYSCALL_DEFINEx(x, sname, ...) \ 229 SYSCALL_METADATA(sname, x, __VA_ARGS__) \ 230 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) 231 232 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) 233 234 /* 235 * The asmlinkage stub is aliased to a function named __se_sys_*() which 236 * sign-extends 32-bit ints to longs whenever needed. The actual work is 237 * done within __do_sys_*(). 238 */ 239 #ifndef __SYSCALL_DEFINEx 240 #define __SYSCALL_DEFINEx(x, name, ...) \ 241 __diag_push(); \ 242 __diag_ignore(GCC, 8, "-Wattribute-alias", \ 243 "Type aliasing is used to sanitize syscall arguments");\ 244 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ 245 __attribute__((alias(__stringify(__se_sys##name)))); \ 246 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ 247 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 248 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 249 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 250 { \ 251 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\ 252 __MAP(x,__SC_TEST,__VA_ARGS__); \ 253 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 254 return ret; \ 255 } \ 256 __diag_pop(); \ 257 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 258 #endif /* __SYSCALL_DEFINEx */ 259 260 /* For split 64-bit arguments on 32-bit architectures */ 261 #ifdef __LITTLE_ENDIAN 262 #define SC_ARG64(name) u32, name##_lo, u32, name##_hi 263 #else 264 #define SC_ARG64(name) u32, name##_hi, u32, name##_lo 265 #endif 266 #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo) 267 268 #ifdef CONFIG_COMPAT 269 #define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0 270 #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1 271 #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2 272 #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3 273 #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4 274 #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5 275 #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6 276 #else 277 #define SYSCALL32_DEFINE0 SYSCALL_DEFINE0 278 #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1 279 #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2 280 #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3 281 #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4 282 #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5 283 #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6 284 #endif 285 286 /* 287 * These syscall function prototypes are kept in the same order as 288 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below, 289 * followed by deprecated or obsolete system calls. 290 * 291 * Please note that these prototypes here are only provided for information 292 * purposes, for static analysis, and for linking from the syscall table. 293 * These functions should not be called elsewhere from kernel code. 294 * 295 * As the syscall calling convention may be different from the default 296 * for architectures overriding the syscall calling convention, do not 297 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. 298 */ 299 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 300 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx); 301 asmlinkage long sys_io_destroy(aio_context_t ctx); 302 asmlinkage long sys_io_submit(aio_context_t, long, 303 struct iocb __user * __user *); 304 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb, 305 struct io_event __user *result); 306 asmlinkage long sys_io_getevents(aio_context_t ctx_id, 307 long min_nr, 308 long nr, 309 struct io_event __user *events, 310 struct __kernel_timespec __user *timeout); 311 asmlinkage long sys_io_getevents_time32(__u32 ctx_id, 312 __s32 min_nr, 313 __s32 nr, 314 struct io_event __user *events, 315 struct old_timespec32 __user *timeout); 316 asmlinkage long sys_io_pgetevents(aio_context_t ctx_id, 317 long min_nr, 318 long nr, 319 struct io_event __user *events, 320 struct __kernel_timespec __user *timeout, 321 const struct __aio_sigset *sig); 322 asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id, 323 long min_nr, 324 long nr, 325 struct io_event __user *events, 326 struct old_timespec32 __user *timeout, 327 const struct __aio_sigset *sig); 328 asmlinkage long sys_io_uring_setup(u32 entries, 329 struct io_uring_params __user *p); 330 asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit, 331 u32 min_complete, u32 flags, 332 const void __user *argp, size_t argsz); 333 asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op, 334 void __user *arg, unsigned int nr_args); 335 asmlinkage long sys_setxattr(const char __user *path, const char __user *name, 336 const void __user *value, size_t size, int flags); 337 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name, 338 const void __user *value, size_t size, int flags); 339 asmlinkage long sys_fsetxattr(int fd, const char __user *name, 340 const void __user *value, size_t size, int flags); 341 asmlinkage long sys_getxattr(const char __user *path, const char __user *name, 342 void __user *value, size_t size); 343 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name, 344 void __user *value, size_t size); 345 asmlinkage long sys_fgetxattr(int fd, const char __user *name, 346 void __user *value, size_t size); 347 asmlinkage long sys_listxattr(const char __user *path, char __user *list, 348 size_t size); 349 asmlinkage long sys_llistxattr(const char __user *path, char __user *list, 350 size_t size); 351 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size); 352 asmlinkage long sys_removexattr(const char __user *path, 353 const char __user *name); 354 asmlinkage long sys_lremovexattr(const char __user *path, 355 const char __user *name); 356 asmlinkage long sys_fremovexattr(int fd, const char __user *name); 357 asmlinkage long sys_getcwd(char __user *buf, unsigned long size); 358 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len); 359 asmlinkage long sys_eventfd2(unsigned int count, int flags); 360 asmlinkage long sys_epoll_create1(int flags); 361 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, 362 struct epoll_event __user *event); 363 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events, 364 int maxevents, int timeout, 365 const sigset_t __user *sigmask, 366 size_t sigsetsize); 367 asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events, 368 int maxevents, 369 const struct __kernel_timespec __user *timeout, 370 const sigset_t __user *sigmask, 371 size_t sigsetsize); 372 asmlinkage long sys_dup(unsigned int fildes); 373 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); 374 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); 375 #if BITS_PER_LONG == 32 376 asmlinkage long sys_fcntl64(unsigned int fd, 377 unsigned int cmd, unsigned long arg); 378 #endif 379 asmlinkage long sys_inotify_init1(int flags); 380 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, 381 u32 mask); 382 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); 383 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, 384 unsigned long arg); 385 asmlinkage long sys_ioprio_set(int which, int who, int ioprio); 386 asmlinkage long sys_ioprio_get(int which, int who); 387 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd); 388 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode, 389 unsigned dev); 390 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode); 391 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); 392 asmlinkage long sys_symlinkat(const char __user * oldname, 393 int newdfd, const char __user * newname); 394 asmlinkage long sys_linkat(int olddfd, const char __user *oldname, 395 int newdfd, const char __user *newname, int flags); 396 asmlinkage long sys_renameat(int olddfd, const char __user * oldname, 397 int newdfd, const char __user * newname); 398 asmlinkage long sys_umount(char __user *name, int flags); 399 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, 400 char __user *type, unsigned long flags, 401 void __user *data); 402 asmlinkage long sys_pivot_root(const char __user *new_root, 403 const char __user *put_old); 404 asmlinkage long sys_statfs(const char __user * path, 405 struct statfs __user *buf); 406 asmlinkage long sys_statfs64(const char __user *path, size_t sz, 407 struct statfs64 __user *buf); 408 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf); 409 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, 410 struct statfs64 __user *buf); 411 asmlinkage long sys_truncate(const char __user *path, long length); 412 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); 413 #if BITS_PER_LONG == 32 414 asmlinkage long sys_truncate64(const char __user *path, loff_t length); 415 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length); 416 #endif 417 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len); 418 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode); 419 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode, 420 int flags); 421 asmlinkage long sys_chdir(const char __user *filename); 422 asmlinkage long sys_fchdir(unsigned int fd); 423 asmlinkage long sys_chroot(const char __user *filename); 424 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); 425 asmlinkage long sys_fchmodat(int dfd, const char __user *filename, 426 umode_t mode); 427 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename, 428 umode_t mode, unsigned int flags); 429 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, 430 gid_t group, int flag); 431 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); 432 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, 433 umode_t mode); 434 asmlinkage long sys_openat2(int dfd, const char __user *filename, 435 struct open_how *how, size_t size); 436 asmlinkage long sys_close(unsigned int fd); 437 asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd, 438 unsigned int flags); 439 asmlinkage long sys_vhangup(void); 440 asmlinkage long sys_pipe2(int __user *fildes, int flags); 441 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special, 442 qid_t id, void __user *addr); 443 asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id, 444 void __user *addr); 445 asmlinkage long sys_getdents64(unsigned int fd, 446 struct linux_dirent64 __user *dirent, 447 unsigned int count); 448 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, 449 unsigned long offset_low, loff_t __user *result, 450 unsigned int whence); 451 asmlinkage long sys_lseek(unsigned int fd, off_t offset, 452 unsigned int whence); 453 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count); 454 asmlinkage long sys_write(unsigned int fd, const char __user *buf, 455 size_t count); 456 asmlinkage long sys_readv(unsigned long fd, 457 const struct iovec __user *vec, 458 unsigned long vlen); 459 asmlinkage long sys_writev(unsigned long fd, 460 const struct iovec __user *vec, 461 unsigned long vlen); 462 asmlinkage long sys_pread64(unsigned int fd, char __user *buf, 463 size_t count, loff_t pos); 464 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf, 465 size_t count, loff_t pos); 466 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, 467 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 468 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, 469 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 470 asmlinkage long sys_sendfile64(int out_fd, int in_fd, 471 loff_t __user *offset, size_t count); 472 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, 473 fd_set __user *, struct __kernel_timespec __user *, 474 void __user *); 475 asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *, 476 fd_set __user *, struct old_timespec32 __user *, 477 void __user *); 478 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int, 479 struct __kernel_timespec __user *, const sigset_t __user *, 480 size_t); 481 asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int, 482 struct old_timespec32 __user *, const sigset_t __user *, 483 size_t); 484 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags); 485 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov, 486 unsigned long nr_segs, unsigned int flags); 487 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in, 488 int fd_out, loff_t __user *off_out, 489 size_t len, unsigned int flags); 490 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); 491 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf, 492 int bufsiz); 493 asmlinkage long sys_newfstatat(int dfd, const char __user *filename, 494 struct stat __user *statbuf, int flag); 495 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf); 496 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 497 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); 498 asmlinkage long sys_fstatat64(int dfd, const char __user *filename, 499 struct stat64 __user *statbuf, int flag); 500 #endif 501 asmlinkage long sys_sync(void); 502 asmlinkage long sys_fsync(unsigned int fd); 503 asmlinkage long sys_fdatasync(unsigned int fd); 504 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags, 505 loff_t offset, loff_t nbytes); 506 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 507 unsigned int flags); 508 asmlinkage long sys_timerfd_create(int clockid, int flags); 509 asmlinkage long sys_timerfd_settime(int ufd, int flags, 510 const struct __kernel_itimerspec __user *utmr, 511 struct __kernel_itimerspec __user *otmr); 512 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr); 513 asmlinkage long sys_timerfd_gettime32(int ufd, 514 struct old_itimerspec32 __user *otmr); 515 asmlinkage long sys_timerfd_settime32(int ufd, int flags, 516 const struct old_itimerspec32 __user *utmr, 517 struct old_itimerspec32 __user *otmr); 518 asmlinkage long sys_utimensat(int dfd, const char __user *filename, 519 struct __kernel_timespec __user *utimes, 520 int flags); 521 asmlinkage long sys_utimensat_time32(unsigned int dfd, 522 const char __user *filename, 523 struct old_timespec32 __user *t, int flags); 524 asmlinkage long sys_acct(const char __user *name); 525 asmlinkage long sys_capget(cap_user_header_t header, 526 cap_user_data_t dataptr); 527 asmlinkage long sys_capset(cap_user_header_t header, 528 const cap_user_data_t data); 529 asmlinkage long sys_personality(unsigned int personality); 530 asmlinkage long sys_exit(int error_code); 531 asmlinkage long sys_exit_group(int error_code); 532 asmlinkage long sys_waitid(int which, pid_t pid, 533 struct siginfo __user *infop, 534 int options, struct rusage __user *ru); 535 asmlinkage long sys_set_tid_address(int __user *tidptr); 536 asmlinkage long sys_unshare(unsigned long unshare_flags); 537 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, 538 const struct __kernel_timespec __user *utime, 539 u32 __user *uaddr2, u32 val3); 540 asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, 541 const struct old_timespec32 __user *utime, 542 u32 __user *uaddr2, u32 val3); 543 asmlinkage long sys_get_robust_list(int pid, 544 struct robust_list_head __user * __user *head_ptr, 545 size_t __user *len_ptr); 546 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, 547 size_t len); 548 549 asmlinkage long sys_futex_waitv(struct futex_waitv *waiters, 550 unsigned int nr_futexes, unsigned int flags, 551 struct __kernel_timespec __user *timeout, clockid_t clockid); 552 553 asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags); 554 555 asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp, 556 struct __kernel_timespec __user *rmtp); 557 asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp, 558 struct old_timespec32 __user *rmtp); 559 asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value); 560 asmlinkage long sys_setitimer(int which, 561 struct __kernel_old_itimerval __user *value, 562 struct __kernel_old_itimerval __user *ovalue); 563 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, 564 struct kexec_segment __user *segments, 565 unsigned long flags); 566 asmlinkage long sys_init_module(void __user *umod, unsigned long len, 567 const char __user *uargs); 568 asmlinkage long sys_delete_module(const char __user *name_user, 569 unsigned int flags); 570 asmlinkage long sys_timer_create(clockid_t which_clock, 571 struct sigevent __user *timer_event_spec, 572 timer_t __user * created_timer_id); 573 asmlinkage long sys_timer_gettime(timer_t timer_id, 574 struct __kernel_itimerspec __user *setting); 575 asmlinkage long sys_timer_getoverrun(timer_t timer_id); 576 asmlinkage long sys_timer_settime(timer_t timer_id, int flags, 577 const struct __kernel_itimerspec __user *new_setting, 578 struct __kernel_itimerspec __user *old_setting); 579 asmlinkage long sys_timer_delete(timer_t timer_id); 580 asmlinkage long sys_clock_settime(clockid_t which_clock, 581 const struct __kernel_timespec __user *tp); 582 asmlinkage long sys_clock_gettime(clockid_t which_clock, 583 struct __kernel_timespec __user *tp); 584 asmlinkage long sys_clock_getres(clockid_t which_clock, 585 struct __kernel_timespec __user *tp); 586 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, 587 const struct __kernel_timespec __user *rqtp, 588 struct __kernel_timespec __user *rmtp); 589 asmlinkage long sys_timer_gettime32(timer_t timer_id, 590 struct old_itimerspec32 __user *setting); 591 asmlinkage long sys_timer_settime32(timer_t timer_id, int flags, 592 struct old_itimerspec32 __user *new, 593 struct old_itimerspec32 __user *old); 594 asmlinkage long sys_clock_settime32(clockid_t which_clock, 595 struct old_timespec32 __user *tp); 596 asmlinkage long sys_clock_gettime32(clockid_t which_clock, 597 struct old_timespec32 __user *tp); 598 asmlinkage long sys_clock_getres_time32(clockid_t which_clock, 599 struct old_timespec32 __user *tp); 600 asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags, 601 struct old_timespec32 __user *rqtp, 602 struct old_timespec32 __user *rmtp); 603 asmlinkage long sys_syslog(int type, char __user *buf, int len); 604 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, 605 unsigned long data); 606 asmlinkage long sys_sched_setparam(pid_t pid, 607 struct sched_param __user *param); 608 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy, 609 struct sched_param __user *param); 610 asmlinkage long sys_sched_getscheduler(pid_t pid); 611 asmlinkage long sys_sched_getparam(pid_t pid, 612 struct sched_param __user *param); 613 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len, 614 unsigned long __user *user_mask_ptr); 615 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len, 616 unsigned long __user *user_mask_ptr); 617 asmlinkage long sys_sched_yield(void); 618 asmlinkage long sys_sched_get_priority_max(int policy); 619 asmlinkage long sys_sched_get_priority_min(int policy); 620 asmlinkage long sys_sched_rr_get_interval(pid_t pid, 621 struct __kernel_timespec __user *interval); 622 asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid, 623 struct old_timespec32 __user *interval); 624 asmlinkage long sys_restart_syscall(void); 625 asmlinkage long sys_kill(pid_t pid, int sig); 626 asmlinkage long sys_tkill(pid_t pid, int sig); 627 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig); 628 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss, 629 struct sigaltstack __user *uoss); 630 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); 631 #ifndef CONFIG_ODD_RT_SIGACTION 632 asmlinkage long sys_rt_sigaction(int, 633 const struct sigaction __user *, 634 struct sigaction __user *, 635 size_t); 636 #endif 637 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set, 638 sigset_t __user *oset, size_t sigsetsize); 639 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize); 640 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese, 641 siginfo_t __user *uinfo, 642 const struct __kernel_timespec __user *uts, 643 size_t sigsetsize); 644 asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese, 645 siginfo_t __user *uinfo, 646 const struct old_timespec32 __user *uts, 647 size_t sigsetsize); 648 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo); 649 asmlinkage long sys_setpriority(int which, int who, int niceval); 650 asmlinkage long sys_getpriority(int which, int who); 651 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, 652 void __user *arg); 653 asmlinkage long sys_setregid(gid_t rgid, gid_t egid); 654 asmlinkage long sys_setgid(gid_t gid); 655 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid); 656 asmlinkage long sys_setuid(uid_t uid); 657 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid); 658 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid); 659 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid); 660 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid); 661 asmlinkage long sys_setfsuid(uid_t uid); 662 asmlinkage long sys_setfsgid(gid_t gid); 663 asmlinkage long sys_times(struct tms __user *tbuf); 664 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid); 665 asmlinkage long sys_getpgid(pid_t pid); 666 asmlinkage long sys_getsid(pid_t pid); 667 asmlinkage long sys_setsid(void); 668 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist); 669 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist); 670 asmlinkage long sys_newuname(struct new_utsname __user *name); 671 asmlinkage long sys_sethostname(char __user *name, int len); 672 asmlinkage long sys_setdomainname(char __user *name, int len); 673 asmlinkage long sys_getrlimit(unsigned int resource, 674 struct rlimit __user *rlim); 675 asmlinkage long sys_setrlimit(unsigned int resource, 676 struct rlimit __user *rlim); 677 asmlinkage long sys_getrusage(int who, struct rusage __user *ru); 678 asmlinkage long sys_umask(int mask); 679 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, 680 unsigned long arg4, unsigned long arg5); 681 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache); 682 asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv, 683 struct timezone __user *tz); 684 asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv, 685 struct timezone __user *tz); 686 asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p); 687 asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p); 688 asmlinkage long sys_getpid(void); 689 asmlinkage long sys_getppid(void); 690 asmlinkage long sys_getuid(void); 691 asmlinkage long sys_geteuid(void); 692 asmlinkage long sys_getgid(void); 693 asmlinkage long sys_getegid(void); 694 asmlinkage long sys_gettid(void); 695 asmlinkage long sys_sysinfo(struct sysinfo __user *info); 696 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); 697 asmlinkage long sys_mq_unlink(const char __user *name); 698 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); 699 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); 700 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); 701 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); 702 asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes, 703 char __user *u_msg_ptr, 704 unsigned int msg_len, unsigned int __user *u_msg_prio, 705 const struct old_timespec32 __user *u_abs_timeout); 706 asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes, 707 const char __user *u_msg_ptr, 708 unsigned int msg_len, unsigned int msg_prio, 709 const struct old_timespec32 __user *u_abs_timeout); 710 asmlinkage long sys_msgget(key_t key, int msgflg); 711 asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 712 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 713 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, 714 size_t msgsz, long msgtyp, int msgflg); 715 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp, 716 size_t msgsz, int msgflg); 717 asmlinkage long sys_semget(key_t key, int nsems, int semflg); 718 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); 719 asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); 720 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, 721 unsigned nsops, 722 const struct __kernel_timespec __user *timeout); 723 asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops, 724 unsigned nsops, 725 const struct old_timespec32 __user *timeout); 726 asmlinkage long sys_semop(int semid, struct sembuf __user *sops, 727 unsigned nsops); 728 asmlinkage long sys_shmget(key_t key, size_t size, int flag); 729 asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 730 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 731 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); 732 asmlinkage long sys_shmdt(char __user *shmaddr); 733 asmlinkage long sys_socket(int, int, int); 734 asmlinkage long sys_socketpair(int, int, int, int __user *); 735 asmlinkage long sys_bind(int, struct sockaddr __user *, int); 736 asmlinkage long sys_listen(int, int); 737 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *); 738 asmlinkage long sys_connect(int, struct sockaddr __user *, int); 739 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); 740 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); 741 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, 742 struct sockaddr __user *, int); 743 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned, 744 struct sockaddr __user *, int __user *); 745 asmlinkage long sys_setsockopt(int fd, int level, int optname, 746 char __user *optval, int optlen); 747 asmlinkage long sys_getsockopt(int fd, int level, int optname, 748 char __user *optval, int __user *optlen); 749 asmlinkage long sys_shutdown(int, int); 750 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 751 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 752 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count); 753 asmlinkage long sys_brk(unsigned long brk); 754 asmlinkage long sys_munmap(unsigned long addr, size_t len); 755 asmlinkage long sys_mremap(unsigned long addr, 756 unsigned long old_len, unsigned long new_len, 757 unsigned long flags, unsigned long new_addr); 758 asmlinkage long sys_add_key(const char __user *_type, 759 const char __user *_description, 760 const void __user *_payload, 761 size_t plen, 762 key_serial_t destringid); 763 asmlinkage long sys_request_key(const char __user *_type, 764 const char __user *_description, 765 const char __user *_callout_info, 766 key_serial_t destringid); 767 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, 768 unsigned long arg4, unsigned long arg5); 769 #ifdef CONFIG_CLONE_BACKWARDS 770 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long, 771 int __user *); 772 #else 773 #ifdef CONFIG_CLONE_BACKWARDS3 774 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *, 775 int __user *, unsigned long); 776 #else 777 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, 778 int __user *, unsigned long); 779 #endif 780 #endif 781 782 asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size); 783 784 asmlinkage long sys_execve(const char __user *filename, 785 const char __user *const __user *argv, 786 const char __user *const __user *envp); 787 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 788 789 /* CONFIG_MMU only */ 790 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags); 791 asmlinkage long sys_swapoff(const char __user *specialfile); 792 asmlinkage long sys_mprotect(unsigned long start, size_t len, 793 unsigned long prot); 794 asmlinkage long sys_msync(unsigned long start, size_t len, int flags); 795 asmlinkage long sys_mlock(unsigned long start, size_t len); 796 asmlinkage long sys_munlock(unsigned long start, size_t len); 797 asmlinkage long sys_mlockall(int flags); 798 asmlinkage long sys_munlockall(void); 799 asmlinkage long sys_mincore(unsigned long start, size_t len, 800 unsigned char __user * vec); 801 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior); 802 asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec, 803 size_t vlen, int behavior, unsigned int flags); 804 asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags); 805 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, 806 unsigned long prot, unsigned long pgoff, 807 unsigned long flags); 808 asmlinkage long sys_mbind(unsigned long start, unsigned long len, 809 unsigned long mode, 810 const unsigned long __user *nmask, 811 unsigned long maxnode, 812 unsigned flags); 813 asmlinkage long sys_get_mempolicy(int __user *policy, 814 unsigned long __user *nmask, 815 unsigned long maxnode, 816 unsigned long addr, unsigned long flags); 817 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask, 818 unsigned long maxnode); 819 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, 820 const unsigned long __user *from, 821 const unsigned long __user *to); 822 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, 823 const void __user * __user *pages, 824 const int __user *nodes, 825 int __user *status, 826 int flags); 827 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, 828 siginfo_t __user *uinfo); 829 asmlinkage long sys_perf_event_open( 830 struct perf_event_attr __user *attr_uptr, 831 pid_t pid, int cpu, int group_fd, unsigned long flags); 832 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int); 833 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg, 834 unsigned int vlen, unsigned flags, 835 struct __kernel_timespec __user *timeout); 836 asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg, 837 unsigned int vlen, unsigned flags, 838 struct old_timespec32 __user *timeout); 839 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr, 840 int options, struct rusage __user *ru); 841 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, 842 const struct rlimit64 __user *new_rlim, 843 struct rlimit64 __user *old_rlim); 844 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); 845 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, 846 u64 mask, int fd, 847 const char __user *pathname); 848 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, 849 struct file_handle __user *handle, 850 int __user *mnt_id, int flag); 851 asmlinkage long sys_open_by_handle_at(int mountdirfd, 852 struct file_handle __user *handle, 853 int flags); 854 asmlinkage long sys_clock_adjtime(clockid_t which_clock, 855 struct __kernel_timex __user *tx); 856 asmlinkage long sys_clock_adjtime32(clockid_t which_clock, 857 struct old_timex32 __user *tx); 858 asmlinkage long sys_syncfs(int fd); 859 asmlinkage long sys_setns(int fd, int nstype); 860 asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags); 861 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, 862 unsigned int vlen, unsigned flags); 863 asmlinkage long sys_process_vm_readv(pid_t pid, 864 const struct iovec __user *lvec, 865 unsigned long liovcnt, 866 const struct iovec __user *rvec, 867 unsigned long riovcnt, 868 unsigned long flags); 869 asmlinkage long sys_process_vm_writev(pid_t pid, 870 const struct iovec __user *lvec, 871 unsigned long liovcnt, 872 const struct iovec __user *rvec, 873 unsigned long riovcnt, 874 unsigned long flags); 875 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type, 876 unsigned long idx1, unsigned long idx2); 877 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags); 878 asmlinkage long sys_sched_setattr(pid_t pid, 879 struct sched_attr __user *attr, 880 unsigned int flags); 881 asmlinkage long sys_sched_getattr(pid_t pid, 882 struct sched_attr __user *attr, 883 unsigned int size, 884 unsigned int flags); 885 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname, 886 int newdfd, const char __user *newname, 887 unsigned int flags); 888 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags, 889 void __user *uargs); 890 asmlinkage long sys_getrandom(char __user *buf, size_t count, 891 unsigned int flags); 892 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags); 893 asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size); 894 asmlinkage long sys_execveat(int dfd, const char __user *filename, 895 const char __user *const __user *argv, 896 const char __user *const __user *envp, int flags); 897 asmlinkage long sys_userfaultfd(int flags); 898 asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id); 899 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags); 900 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in, 901 int fd_out, loff_t __user *off_out, 902 size_t len, unsigned int flags); 903 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec, 904 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 905 rwf_t flags); 906 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec, 907 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 908 rwf_t flags); 909 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len, 910 unsigned long prot, int pkey); 911 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val); 912 asmlinkage long sys_pkey_free(int pkey); 913 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags, 914 unsigned mask, struct statx __user *buffer); 915 asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len, 916 int flags, uint32_t sig); 917 asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags); 918 asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path, 919 int to_dfd, const char __user *to_path, 920 unsigned int ms_flags); 921 asmlinkage long sys_mount_setattr(int dfd, const char __user *path, 922 unsigned int flags, 923 struct mount_attr __user *uattr, size_t usize); 924 asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags); 925 asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key, 926 const void __user *value, int aux); 927 asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags); 928 asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags); 929 asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, 930 siginfo_t __user *info, 931 unsigned int flags); 932 asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags); 933 asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr, 934 size_t size, __u32 flags); 935 asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type, 936 const void __user *rule_attr, __u32 flags); 937 asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags); 938 asmlinkage long sys_memfd_secret(unsigned int flags); 939 asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len, 940 unsigned long home_node, 941 unsigned long flags); 942 asmlinkage long sys_cachestat(unsigned int fd, 943 struct cachestat_range __user *cstat_range, 944 struct cachestat __user *cstat, unsigned int flags); 945 asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags); 946 947 /* 948 * Architecture-specific system calls 949 */ 950 951 /* x86 */ 952 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on); 953 954 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 955 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn, 956 unsigned long off, unsigned long len, 957 void __user *buf); 958 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn, 959 unsigned long off, unsigned long len, 960 void __user *buf); 961 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn); 962 963 /* powerpc */ 964 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, 965 __u32 __user *ustatus); 966 asmlinkage long sys_spu_create(const char __user *name, 967 unsigned int flags, umode_t mode, int fd); 968 969 970 /* 971 * Deprecated system calls which are still defined in 972 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 973 */ 974 975 /* __ARCH_WANT_SYSCALL_NO_AT */ 976 asmlinkage long sys_open(const char __user *filename, 977 int flags, umode_t mode); 978 asmlinkage long sys_link(const char __user *oldname, 979 const char __user *newname); 980 asmlinkage long sys_unlink(const char __user *pathname); 981 asmlinkage long sys_mknod(const char __user *filename, umode_t mode, 982 unsigned dev); 983 asmlinkage long sys_chmod(const char __user *filename, umode_t mode); 984 asmlinkage long sys_chown(const char __user *filename, 985 uid_t user, gid_t group); 986 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); 987 asmlinkage long sys_rmdir(const char __user *pathname); 988 asmlinkage long sys_lchown(const char __user *filename, 989 uid_t user, gid_t group); 990 asmlinkage long sys_access(const char __user *filename, int mode); 991 asmlinkage long sys_rename(const char __user *oldname, 992 const char __user *newname); 993 asmlinkage long sys_symlink(const char __user *old, const char __user *new); 994 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 995 asmlinkage long sys_stat64(const char __user *filename, 996 struct stat64 __user *statbuf); 997 asmlinkage long sys_lstat64(const char __user *filename, 998 struct stat64 __user *statbuf); 999 #endif 1000 1001 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 1002 asmlinkage long sys_pipe(int __user *fildes); 1003 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); 1004 asmlinkage long sys_epoll_create(int size); 1005 asmlinkage long sys_inotify_init(void); 1006 asmlinkage long sys_eventfd(unsigned int count); 1007 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask); 1008 1009 /* __ARCH_WANT_SYSCALL_OFF_T */ 1010 asmlinkage long sys_sendfile(int out_fd, int in_fd, 1011 off_t __user *offset, size_t count); 1012 asmlinkage long sys_newstat(const char __user *filename, 1013 struct stat __user *statbuf); 1014 asmlinkage long sys_newlstat(const char __user *filename, 1015 struct stat __user *statbuf); 1016 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice); 1017 1018 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 1019 asmlinkage long sys_alarm(unsigned int seconds); 1020 asmlinkage long sys_getpgrp(void); 1021 asmlinkage long sys_pause(void); 1022 asmlinkage long sys_time(__kernel_old_time_t __user *tloc); 1023 asmlinkage long sys_time32(old_time32_t __user *tloc); 1024 #ifdef __ARCH_WANT_SYS_UTIME 1025 asmlinkage long sys_utime(char __user *filename, 1026 struct utimbuf __user *times); 1027 asmlinkage long sys_utimes(char __user *filename, 1028 struct __kernel_old_timeval __user *utimes); 1029 asmlinkage long sys_futimesat(int dfd, const char __user *filename, 1030 struct __kernel_old_timeval __user *utimes); 1031 #endif 1032 asmlinkage long sys_futimesat_time32(unsigned int dfd, 1033 const char __user *filename, 1034 struct old_timeval32 __user *t); 1035 asmlinkage long sys_utime32(const char __user *filename, 1036 struct old_utimbuf32 __user *t); 1037 asmlinkage long sys_utimes_time32(const char __user *filename, 1038 struct old_timeval32 __user *t); 1039 asmlinkage long sys_creat(const char __user *pathname, umode_t mode); 1040 asmlinkage long sys_getdents(unsigned int fd, 1041 struct linux_dirent __user *dirent, 1042 unsigned int count); 1043 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, 1044 fd_set __user *exp, struct __kernel_old_timeval __user *tvp); 1045 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, 1046 int timeout); 1047 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events, 1048 int maxevents, int timeout); 1049 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf); 1050 asmlinkage long sys_vfork(void); 1051 asmlinkage long sys_recv(int, void __user *, size_t, unsigned); 1052 asmlinkage long sys_send(int, void __user *, size_t, unsigned); 1053 asmlinkage long sys_oldumount(char __user *name); 1054 asmlinkage long sys_uselib(const char __user *library); 1055 asmlinkage long sys_sysfs(int option, 1056 unsigned long arg1, unsigned long arg2); 1057 asmlinkage long sys_fork(void); 1058 1059 /* obsolete */ 1060 asmlinkage long sys_stime(__kernel_old_time_t __user *tptr); 1061 asmlinkage long sys_stime32(old_time32_t __user *tptr); 1062 1063 /* obsolete */ 1064 asmlinkage long sys_sigpending(old_sigset_t __user *uset); 1065 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, 1066 old_sigset_t __user *oset); 1067 #ifdef CONFIG_OLD_SIGSUSPEND 1068 asmlinkage long sys_sigsuspend(old_sigset_t mask); 1069 #endif 1070 1071 #ifdef CONFIG_OLD_SIGSUSPEND3 1072 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask); 1073 #endif 1074 1075 #ifdef CONFIG_OLD_SIGACTION 1076 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *, 1077 struct old_sigaction __user *); 1078 #endif 1079 asmlinkage long sys_sgetmask(void); 1080 asmlinkage long sys_ssetmask(int newmask); 1081 asmlinkage long sys_signal(int sig, __sighandler_t handler); 1082 1083 /* obsolete */ 1084 asmlinkage long sys_nice(int increment); 1085 1086 /* obsolete */ 1087 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd, 1088 unsigned long cmdline_len, 1089 const char __user *cmdline_ptr, 1090 unsigned long flags); 1091 1092 /* obsolete */ 1093 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options); 1094 1095 /* obsolete */ 1096 #ifdef CONFIG_HAVE_UID16 1097 asmlinkage long sys_chown16(const char __user *filename, 1098 old_uid_t user, old_gid_t group); 1099 asmlinkage long sys_lchown16(const char __user *filename, 1100 old_uid_t user, old_gid_t group); 1101 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group); 1102 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid); 1103 asmlinkage long sys_setgid16(old_gid_t gid); 1104 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid); 1105 asmlinkage long sys_setuid16(old_uid_t uid); 1106 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid); 1107 asmlinkage long sys_getresuid16(old_uid_t __user *ruid, 1108 old_uid_t __user *euid, old_uid_t __user *suid); 1109 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid); 1110 asmlinkage long sys_getresgid16(old_gid_t __user *rgid, 1111 old_gid_t __user *egid, old_gid_t __user *sgid); 1112 asmlinkage long sys_setfsuid16(old_uid_t uid); 1113 asmlinkage long sys_setfsgid16(old_gid_t gid); 1114 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist); 1115 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist); 1116 asmlinkage long sys_getuid16(void); 1117 asmlinkage long sys_geteuid16(void); 1118 asmlinkage long sys_getgid16(void); 1119 asmlinkage long sys_getegid16(void); 1120 #endif 1121 1122 /* obsolete */ 1123 asmlinkage long sys_socketcall(int call, unsigned long __user *args); 1124 1125 /* obsolete */ 1126 asmlinkage long sys_stat(const char __user *filename, 1127 struct __old_kernel_stat __user *statbuf); 1128 asmlinkage long sys_lstat(const char __user *filename, 1129 struct __old_kernel_stat __user *statbuf); 1130 asmlinkage long sys_fstat(unsigned int fd, 1131 struct __old_kernel_stat __user *statbuf); 1132 asmlinkage long sys_readlink(const char __user *path, 1133 char __user *buf, int bufsiz); 1134 1135 /* obsolete */ 1136 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg); 1137 1138 /* obsolete */ 1139 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int); 1140 1141 /* obsolete */ 1142 asmlinkage long sys_gethostname(char __user *name, int len); 1143 asmlinkage long sys_uname(struct old_utsname __user *); 1144 asmlinkage long sys_olduname(struct oldold_utsname __user *); 1145 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT 1146 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim); 1147 #endif 1148 1149 /* obsolete */ 1150 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, 1151 unsigned long third, void __user *ptr, long fifth); 1152 1153 /* obsolete */ 1154 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len, 1155 unsigned long prot, unsigned long flags, 1156 unsigned long fd, unsigned long pgoff); 1157 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg); 1158 1159 1160 /* 1161 * Not a real system call, but a placeholder for syscalls which are 1162 * not implemented -- see kernel/sys_ni.c 1163 */ 1164 asmlinkage long sys_ni_syscall(void); 1165 1166 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 1167 1168 asmlinkage long sys_ni_posix_timers(void); 1169 1170 /* 1171 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly. 1172 * Instead, use one of the functions which work equivalently, such as 1173 * the ksys_xyzyyz() functions prototyped below. 1174 */ 1175 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count); 1176 int ksys_fchown(unsigned int fd, uid_t user, gid_t group); 1177 ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count); 1178 void ksys_sync(void); 1179 int ksys_unshare(unsigned long unshare_flags); 1180 int ksys_setsid(void); 1181 int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 1182 unsigned int flags); 1183 ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count, 1184 loff_t pos); 1185 ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf, 1186 size_t count, loff_t pos); 1187 int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len); 1188 #ifdef CONFIG_ADVISE_SYSCALLS 1189 int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 1190 #else 1191 static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, 1192 int advice) 1193 { 1194 return -EINVAL; 1195 } 1196 #endif 1197 unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, 1198 unsigned long prot, unsigned long flags, 1199 unsigned long fd, unsigned long pgoff); 1200 ssize_t ksys_readahead(int fd, loff_t offset, size_t count); 1201 int ksys_ipc(unsigned int call, int first, unsigned long second, 1202 unsigned long third, void __user * ptr, long fifth); 1203 int compat_ksys_ipc(u32 call, int first, int second, 1204 u32 third, u32 ptr, u32 fifth); 1205 1206 /* 1207 * The following kernel syscall equivalents are just wrappers to fs-internal 1208 * functions. Therefore, provide stubs to be inlined at the callsites. 1209 */ 1210 extern int do_fchownat(int dfd, const char __user *filename, uid_t user, 1211 gid_t group, int flag); 1212 1213 static inline long ksys_chown(const char __user *filename, uid_t user, 1214 gid_t group) 1215 { 1216 return do_fchownat(AT_FDCWD, filename, user, group, 0); 1217 } 1218 1219 static inline long ksys_lchown(const char __user *filename, uid_t user, 1220 gid_t group) 1221 { 1222 return do_fchownat(AT_FDCWD, filename, user, group, 1223 AT_SYMLINK_NOFOLLOW); 1224 } 1225 1226 extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small); 1227 1228 static inline long ksys_ftruncate(unsigned int fd, loff_t length) 1229 { 1230 return do_sys_ftruncate(fd, length, 1); 1231 } 1232 1233 extern long do_sys_truncate(const char __user *pathname, loff_t length); 1234 1235 static inline long ksys_truncate(const char __user *pathname, loff_t length) 1236 { 1237 return do_sys_truncate(pathname, length); 1238 } 1239 1240 static inline unsigned int ksys_personality(unsigned int personality) 1241 { 1242 unsigned int old = current->personality; 1243 1244 if (personality != 0xffffffff) 1245 set_personality(personality); 1246 1247 return old; 1248 } 1249 1250 /* for __ARCH_WANT_SYS_IPC */ 1251 long ksys_semtimedop(int semid, struct sembuf __user *tsops, 1252 unsigned int nsops, 1253 const struct __kernel_timespec __user *timeout); 1254 long ksys_semget(key_t key, int nsems, int semflg); 1255 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); 1256 long ksys_msgget(key_t key, int msgflg); 1257 long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 1258 long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz, 1259 long msgtyp, int msgflg); 1260 long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz, 1261 int msgflg); 1262 long ksys_shmget(key_t key, size_t size, int shmflg); 1263 long ksys_shmdt(char __user *shmaddr); 1264 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 1265 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems, 1266 unsigned int nsops, 1267 const struct old_timespec32 __user *timeout); 1268 long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops, 1269 const struct timespec64 *timeout, 1270 struct ipc_namespace *ns); 1271 1272 int __sys_getsockopt(int fd, int level, int optname, char __user *optval, 1273 int __user *optlen); 1274 int __sys_setsockopt(int fd, int level, int optname, char __user *optval, 1275 int optlen); 1276 #endif 1277