1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * syscalls.h - Linux syscall interfaces (non-arch-specific) 4 * 5 * Copyright (c) 2004 Randy Dunlap 6 * Copyright (c) 2004 Open Source Development Labs 7 */ 8 9 #ifndef _LINUX_SYSCALLS_H 10 #define _LINUX_SYSCALLS_H 11 12 struct __aio_sigset; 13 struct epoll_event; 14 struct iattr; 15 struct inode; 16 struct iocb; 17 struct io_event; 18 struct iovec; 19 struct __kernel_old_itimerval; 20 struct kexec_segment; 21 struct linux_dirent; 22 struct linux_dirent64; 23 struct list_head; 24 struct mmap_arg_struct; 25 struct msgbuf; 26 struct user_msghdr; 27 struct mmsghdr; 28 struct msqid_ds; 29 struct new_utsname; 30 struct nfsctl_arg; 31 struct __old_kernel_stat; 32 struct oldold_utsname; 33 struct old_utsname; 34 struct pollfd; 35 struct rlimit; 36 struct rlimit64; 37 struct rusage; 38 struct sched_param; 39 struct sched_attr; 40 struct sel_arg_struct; 41 struct semaphore; 42 struct sembuf; 43 struct shmid_ds; 44 struct sockaddr; 45 struct stat; 46 struct stat64; 47 struct statfs; 48 struct statfs64; 49 struct statx; 50 struct sysinfo; 51 struct timespec; 52 struct __kernel_old_timeval; 53 struct __kernel_timex; 54 struct timezone; 55 struct tms; 56 struct utimbuf; 57 struct mq_attr; 58 struct compat_stat; 59 struct old_timeval32; 60 struct robust_list_head; 61 struct futex_waitv; 62 struct getcpu_cache; 63 struct old_linux_dirent; 64 struct perf_event_attr; 65 struct file_handle; 66 struct sigaltstack; 67 struct rseq; 68 union bpf_attr; 69 struct io_uring_params; 70 struct clone_args; 71 struct open_how; 72 struct mount_attr; 73 struct landlock_ruleset_attr; 74 struct lsm_ctx; 75 enum landlock_rule_type; 76 struct cachestat_range; 77 struct cachestat; 78 struct statmount; 79 struct mnt_id_req; 80 struct xattr_args; 81 82 #include <linux/types.h> 83 #include <linux/aio_abi.h> 84 #include <linux/capability.h> 85 #include <linux/signal.h> 86 #include <linux/list.h> 87 #include <linux/bug.h> 88 #include <linux/sem.h> 89 #include <asm/siginfo.h> 90 #include <linux/unistd.h> 91 #include <linux/quota.h> 92 #include <linux/key.h> 93 #include <linux/personality.h> 94 #include <trace/syscall.h> 95 96 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 97 /* 98 * It may be useful for an architecture to override the definitions of the 99 * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a 100 * different calling convention for syscalls. To allow for that, the prototypes 101 * for the sys_*() functions below will *not* be included if 102 * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. 103 */ 104 #include <asm/syscall_wrapper.h> 105 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 106 107 /* 108 * __MAP - apply a macro to syscall arguments 109 * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to 110 * m(t1, a1), m(t2, a2), ..., m(tn, an) 111 * The first argument must be equal to the amount of type/name 112 * pairs given. Note that this list of pairs (i.e. the arguments 113 * of __MAP starting at the third one) is in the same format as 114 * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n> 115 */ 116 #define __MAP0(m,...) 117 #define __MAP1(m,t,a,...) m(t,a) 118 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__) 119 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__) 120 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__) 121 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__) 122 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__) 123 #define __MAP(n,...) __MAP##n(__VA_ARGS__) 124 125 #define __SC_DECL(t, a) t a 126 #define __TYPE_AS(t, v) __same_type((__force t)0, v) 127 #define __TYPE_IS_L(t) (__TYPE_AS(t, 0L)) 128 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL)) 129 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL)) 130 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a 131 #define __SC_CAST(t, a) (__force t) a 132 #define __SC_TYPE(t, a) t 133 #define __SC_ARGS(t, a) a 134 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) 135 136 #ifdef CONFIG_FTRACE_SYSCALLS 137 #define __SC_STR_ADECL(t, a) #a 138 #define __SC_STR_TDECL(t, a) #t 139 140 extern struct trace_event_class event_class_syscall_enter; 141 extern struct trace_event_class event_class_syscall_exit; 142 extern struct trace_event_functions enter_syscall_print_funcs; 143 extern struct trace_event_functions exit_syscall_print_funcs; 144 145 #define SYSCALL_TRACE_ENTER_EVENT(sname) \ 146 static struct syscall_metadata __syscall_meta_##sname; \ 147 static struct trace_event_call __used \ 148 event_enter_##sname = { \ 149 .class = &event_class_syscall_enter, \ 150 { \ 151 .name = "sys_enter"#sname, \ 152 }, \ 153 .event.funcs = &enter_syscall_print_funcs, \ 154 .data = (void *)&__syscall_meta_##sname,\ 155 .flags = TRACE_EVENT_FL_CAP_ANY, \ 156 }; \ 157 static struct trace_event_call __used \ 158 __section("_ftrace_events") \ 159 *__event_enter_##sname = &event_enter_##sname; 160 161 #define SYSCALL_TRACE_EXIT_EVENT(sname) \ 162 static struct syscall_metadata __syscall_meta_##sname; \ 163 static struct trace_event_call __used \ 164 event_exit_##sname = { \ 165 .class = &event_class_syscall_exit, \ 166 { \ 167 .name = "sys_exit"#sname, \ 168 }, \ 169 .event.funcs = &exit_syscall_print_funcs, \ 170 .data = (void *)&__syscall_meta_##sname,\ 171 .flags = TRACE_EVENT_FL_CAP_ANY, \ 172 }; \ 173 static struct trace_event_call __used \ 174 __section("_ftrace_events") \ 175 *__event_exit_##sname = &event_exit_##sname; 176 177 #define SYSCALL_METADATA(sname, nb, ...) \ 178 static const char *types_##sname[] = { \ 179 __MAP(nb,__SC_STR_TDECL,__VA_ARGS__) \ 180 }; \ 181 static const char *args_##sname[] = { \ 182 __MAP(nb,__SC_STR_ADECL,__VA_ARGS__) \ 183 }; \ 184 SYSCALL_TRACE_ENTER_EVENT(sname); \ 185 SYSCALL_TRACE_EXIT_EVENT(sname); \ 186 static struct syscall_metadata __used \ 187 __syscall_meta_##sname = { \ 188 .name = "sys"#sname, \ 189 .syscall_nr = -1, /* Filled in at boot */ \ 190 .nb_args = nb, \ 191 .types = nb ? types_##sname : NULL, \ 192 .args = nb ? args_##sname : NULL, \ 193 .enter_event = &event_enter_##sname, \ 194 .exit_event = &event_exit_##sname, \ 195 .enter_fields = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \ 196 }; \ 197 static struct syscall_metadata __used \ 198 __section("__syscalls_metadata") \ 199 *__p_syscall_meta_##sname = &__syscall_meta_##sname; 200 201 static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 202 { 203 return tp_event->class == &event_class_syscall_enter || 204 tp_event->class == &event_class_syscall_exit; 205 } 206 207 #else 208 #define SYSCALL_METADATA(sname, nb, ...) 209 210 static inline int is_syscall_trace_event(struct trace_event_call *tp_event) 211 { 212 return 0; 213 } 214 #endif 215 216 #ifndef SYSCALL_DEFINE0 217 #define SYSCALL_DEFINE0(sname) \ 218 SYSCALL_METADATA(_##sname, 0); \ 219 asmlinkage long sys_##sname(void); \ 220 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ 221 asmlinkage long sys_##sname(void) 222 #endif /* SYSCALL_DEFINE0 */ 223 224 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 225 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 226 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 227 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 228 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 229 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 230 231 #define SYSCALL_DEFINE_MAXARGS 6 232 233 #define SYSCALL_DEFINEx(x, sname, ...) \ 234 SYSCALL_METADATA(sname, x, __VA_ARGS__) \ 235 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) 236 237 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) 238 239 /* 240 * The asmlinkage stub is aliased to a function named __se_sys_*() which 241 * sign-extends 32-bit ints to longs whenever needed. The actual work is 242 * done within __do_sys_*(). 243 */ 244 #ifndef __SYSCALL_DEFINEx 245 #define __SYSCALL_DEFINEx(x, name, ...) \ 246 __diag_push(); \ 247 __diag_ignore(GCC, 8, "-Wattribute-alias", \ 248 "Type aliasing is used to sanitize syscall arguments");\ 249 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ 250 __attribute__((alias(__stringify(__se_sys##name)))); \ 251 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ 252 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 253 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 254 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 255 { \ 256 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\ 257 __MAP(x,__SC_TEST,__VA_ARGS__); \ 258 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 259 return ret; \ 260 } \ 261 __diag_pop(); \ 262 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 263 #endif /* __SYSCALL_DEFINEx */ 264 265 /* For split 64-bit arguments on 32-bit architectures */ 266 #ifdef __LITTLE_ENDIAN 267 #define SC_ARG64(name) u32, name##_lo, u32, name##_hi 268 #else 269 #define SC_ARG64(name) u32, name##_hi, u32, name##_lo 270 #endif 271 #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo) 272 273 #ifdef CONFIG_COMPAT 274 #define SYSCALL32_DEFINE0 COMPAT_SYSCALL_DEFINE0 275 #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1 276 #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2 277 #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3 278 #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4 279 #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5 280 #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6 281 #else 282 #define SYSCALL32_DEFINE0 SYSCALL_DEFINE0 283 #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1 284 #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2 285 #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3 286 #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4 287 #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5 288 #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6 289 #endif 290 291 /* 292 * These syscall function prototypes are kept in the same order as 293 * include/uapi/asm-generic/unistd.h. Architecture specific entries go below, 294 * followed by deprecated or obsolete system calls. 295 * 296 * Please note that these prototypes here are only provided for information 297 * purposes, for static analysis, and for linking from the syscall table. 298 * These functions should not be called elsewhere from kernel code. 299 * 300 * As the syscall calling convention may be different from the default 301 * for architectures overriding the syscall calling convention, do not 302 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. 303 */ 304 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER 305 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx); 306 asmlinkage long sys_io_destroy(aio_context_t ctx); 307 asmlinkage long sys_io_submit(aio_context_t, long, 308 struct iocb __user * __user *); 309 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb, 310 struct io_event __user *result); 311 asmlinkage long sys_io_getevents(aio_context_t ctx_id, 312 long min_nr, 313 long nr, 314 struct io_event __user *events, 315 struct __kernel_timespec __user *timeout); 316 asmlinkage long sys_io_getevents_time32(__u32 ctx_id, 317 __s32 min_nr, 318 __s32 nr, 319 struct io_event __user *events, 320 struct old_timespec32 __user *timeout); 321 asmlinkage long sys_io_pgetevents(aio_context_t ctx_id, 322 long min_nr, 323 long nr, 324 struct io_event __user *events, 325 struct __kernel_timespec __user *timeout, 326 const struct __aio_sigset __user *sig); 327 asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id, 328 long min_nr, 329 long nr, 330 struct io_event __user *events, 331 struct old_timespec32 __user *timeout, 332 const struct __aio_sigset __user *sig); 333 asmlinkage long sys_io_uring_setup(u32 entries, 334 struct io_uring_params __user *p); 335 asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit, 336 u32 min_complete, u32 flags, 337 const void __user *argp, size_t argsz); 338 asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op, 339 void __user *arg, unsigned int nr_args); 340 asmlinkage long sys_setxattr(const char __user *path, const char __user *name, 341 const void __user *value, size_t size, int flags); 342 asmlinkage long sys_setxattrat(int dfd, const char __user *path, unsigned int at_flags, 343 const char __user *name, 344 const struct xattr_args __user *args, size_t size); 345 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name, 346 const void __user *value, size_t size, int flags); 347 asmlinkage long sys_fsetxattr(int fd, const char __user *name, 348 const void __user *value, size_t size, int flags); 349 asmlinkage long sys_getxattr(const char __user *path, const char __user *name, 350 void __user *value, size_t size); 351 asmlinkage long sys_getxattrat(int dfd, const char __user *path, unsigned int at_flags, 352 const char __user *name, 353 struct xattr_args __user *args, size_t size); 354 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name, 355 void __user *value, size_t size); 356 asmlinkage long sys_fgetxattr(int fd, const char __user *name, 357 void __user *value, size_t size); 358 asmlinkage long sys_listxattr(const char __user *path, char __user *list, 359 size_t size); 360 asmlinkage long sys_listxattrat(int dfd, const char __user *path, 361 unsigned int at_flags, 362 char __user *list, size_t size); 363 asmlinkage long sys_llistxattr(const char __user *path, char __user *list, 364 size_t size); 365 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size); 366 asmlinkage long sys_removexattr(const char __user *path, 367 const char __user *name); 368 asmlinkage long sys_removexattrat(int dfd, const char __user *path, 369 unsigned int at_flags, 370 const char __user *name); 371 asmlinkage long sys_lremovexattr(const char __user *path, 372 const char __user *name); 373 asmlinkage long sys_fremovexattr(int fd, const char __user *name); 374 asmlinkage long sys_getcwd(char __user *buf, unsigned long size); 375 asmlinkage long sys_eventfd2(unsigned int count, int flags); 376 asmlinkage long sys_epoll_create1(int flags); 377 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, 378 struct epoll_event __user *event); 379 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events, 380 int maxevents, int timeout, 381 const sigset_t __user *sigmask, 382 size_t sigsetsize); 383 asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events, 384 int maxevents, 385 const struct __kernel_timespec __user *timeout, 386 const sigset_t __user *sigmask, 387 size_t sigsetsize); 388 asmlinkage long sys_dup(unsigned int fildes); 389 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); 390 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); 391 #if BITS_PER_LONG == 32 392 asmlinkage long sys_fcntl64(unsigned int fd, 393 unsigned int cmd, unsigned long arg); 394 #endif 395 asmlinkage long sys_inotify_init1(int flags); 396 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, 397 u32 mask); 398 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); 399 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, 400 unsigned long arg); 401 asmlinkage long sys_ioprio_set(int which, int who, int ioprio); 402 asmlinkage long sys_ioprio_get(int which, int who); 403 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd); 404 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode, 405 unsigned dev); 406 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode); 407 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); 408 asmlinkage long sys_symlinkat(const char __user * oldname, 409 int newdfd, const char __user * newname); 410 asmlinkage long sys_linkat(int olddfd, const char __user *oldname, 411 int newdfd, const char __user *newname, int flags); 412 asmlinkage long sys_renameat(int olddfd, const char __user * oldname, 413 int newdfd, const char __user * newname); 414 asmlinkage long sys_umount(char __user *name, int flags); 415 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, 416 char __user *type, unsigned long flags, 417 void __user *data); 418 asmlinkage long sys_pivot_root(const char __user *new_root, 419 const char __user *put_old); 420 asmlinkage long sys_statfs(const char __user * path, 421 struct statfs __user *buf); 422 asmlinkage long sys_statfs64(const char __user *path, size_t sz, 423 struct statfs64 __user *buf); 424 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf); 425 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, 426 struct statfs64 __user *buf); 427 asmlinkage long sys_statmount(const struct mnt_id_req __user *req, 428 struct statmount __user *buf, size_t bufsize, 429 unsigned int flags); 430 asmlinkage long sys_listmount(const struct mnt_id_req __user *req, 431 u64 __user *mnt_ids, size_t nr_mnt_ids, 432 unsigned int flags); 433 asmlinkage long sys_truncate(const char __user *path, long length); 434 asmlinkage long sys_ftruncate(unsigned int fd, off_t length); 435 #if BITS_PER_LONG == 32 436 asmlinkage long sys_truncate64(const char __user *path, loff_t length); 437 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length); 438 #endif 439 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len); 440 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode); 441 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode, 442 int flags); 443 asmlinkage long sys_chdir(const char __user *filename); 444 asmlinkage long sys_fchdir(unsigned int fd); 445 asmlinkage long sys_chroot(const char __user *filename); 446 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); 447 asmlinkage long sys_fchmodat(int dfd, const char __user *filename, 448 umode_t mode); 449 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename, 450 umode_t mode, unsigned int flags); 451 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, 452 gid_t group, int flag); 453 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); 454 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, 455 umode_t mode); 456 asmlinkage long sys_openat2(int dfd, const char __user *filename, 457 struct open_how __user *how, size_t size); 458 asmlinkage long sys_close(unsigned int fd); 459 asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd, 460 unsigned int flags); 461 asmlinkage long sys_vhangup(void); 462 asmlinkage long sys_pipe2(int __user *fildes, int flags); 463 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special, 464 qid_t id, void __user *addr); 465 asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id, 466 void __user *addr); 467 asmlinkage long sys_getdents64(unsigned int fd, 468 struct linux_dirent64 __user *dirent, 469 unsigned int count); 470 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, 471 unsigned long offset_low, loff_t __user *result, 472 unsigned int whence); 473 asmlinkage long sys_lseek(unsigned int fd, off_t offset, 474 unsigned int whence); 475 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count); 476 asmlinkage long sys_write(unsigned int fd, const char __user *buf, 477 size_t count); 478 asmlinkage long sys_readv(unsigned long fd, 479 const struct iovec __user *vec, 480 unsigned long vlen); 481 asmlinkage long sys_writev(unsigned long fd, 482 const struct iovec __user *vec, 483 unsigned long vlen); 484 asmlinkage long sys_pread64(unsigned int fd, char __user *buf, 485 size_t count, loff_t pos); 486 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf, 487 size_t count, loff_t pos); 488 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, 489 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 490 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, 491 unsigned long vlen, unsigned long pos_l, unsigned long pos_h); 492 asmlinkage long sys_sendfile64(int out_fd, int in_fd, 493 loff_t __user *offset, size_t count); 494 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *, 495 fd_set __user *, struct __kernel_timespec __user *, 496 void __user *); 497 asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *, 498 fd_set __user *, struct old_timespec32 __user *, 499 void __user *); 500 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int, 501 struct __kernel_timespec __user *, const sigset_t __user *, 502 size_t); 503 asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int, 504 struct old_timespec32 __user *, const sigset_t __user *, 505 size_t); 506 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags); 507 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov, 508 unsigned long nr_segs, unsigned int flags); 509 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in, 510 int fd_out, loff_t __user *off_out, 511 size_t len, unsigned int flags); 512 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); 513 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf, 514 int bufsiz); 515 asmlinkage long sys_newfstatat(int dfd, const char __user *filename, 516 struct stat __user *statbuf, int flag); 517 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf); 518 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 519 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); 520 asmlinkage long sys_fstatat64(int dfd, const char __user *filename, 521 struct stat64 __user *statbuf, int flag); 522 #endif 523 asmlinkage long sys_sync(void); 524 asmlinkage long sys_fsync(unsigned int fd); 525 asmlinkage long sys_fdatasync(unsigned int fd); 526 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags, 527 loff_t offset, loff_t nbytes); 528 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 529 unsigned int flags); 530 asmlinkage long sys_timerfd_create(int clockid, int flags); 531 asmlinkage long sys_timerfd_settime(int ufd, int flags, 532 const struct __kernel_itimerspec __user *utmr, 533 struct __kernel_itimerspec __user *otmr); 534 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr); 535 asmlinkage long sys_timerfd_gettime32(int ufd, 536 struct old_itimerspec32 __user *otmr); 537 asmlinkage long sys_timerfd_settime32(int ufd, int flags, 538 const struct old_itimerspec32 __user *utmr, 539 struct old_itimerspec32 __user *otmr); 540 asmlinkage long sys_utimensat(int dfd, const char __user *filename, 541 struct __kernel_timespec __user *utimes, 542 int flags); 543 asmlinkage long sys_utimensat_time32(unsigned int dfd, 544 const char __user *filename, 545 struct old_timespec32 __user *t, int flags); 546 asmlinkage long sys_acct(const char __user *name); 547 asmlinkage long sys_capget(cap_user_header_t header, 548 cap_user_data_t dataptr); 549 asmlinkage long sys_capset(cap_user_header_t header, 550 const cap_user_data_t data); 551 asmlinkage long sys_personality(unsigned int personality); 552 asmlinkage long sys_exit(int error_code); 553 asmlinkage long sys_exit_group(int error_code); 554 asmlinkage long sys_waitid(int which, pid_t pid, 555 struct siginfo __user *infop, 556 int options, struct rusage __user *ru); 557 asmlinkage long sys_set_tid_address(int __user *tidptr); 558 asmlinkage long sys_unshare(unsigned long unshare_flags); 559 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, 560 const struct __kernel_timespec __user *utime, 561 u32 __user *uaddr2, u32 val3); 562 asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, 563 const struct old_timespec32 __user *utime, 564 u32 __user *uaddr2, u32 val3); 565 asmlinkage long sys_get_robust_list(int pid, 566 struct robust_list_head __user * __user *head_ptr, 567 size_t __user *len_ptr); 568 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, 569 size_t len); 570 571 asmlinkage long sys_futex_waitv(struct futex_waitv __user *waiters, 572 unsigned int nr_futexes, unsigned int flags, 573 struct __kernel_timespec __user *timeout, clockid_t clockid); 574 575 asmlinkage long sys_futex_wake(void __user *uaddr, unsigned long mask, int nr, unsigned int flags); 576 577 asmlinkage long sys_futex_wait(void __user *uaddr, unsigned long val, unsigned long mask, 578 unsigned int flags, struct __kernel_timespec __user *timespec, 579 clockid_t clockid); 580 581 asmlinkage long sys_futex_requeue(struct futex_waitv __user *waiters, 582 unsigned int flags, int nr_wake, int nr_requeue); 583 584 asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp, 585 struct __kernel_timespec __user *rmtp); 586 asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp, 587 struct old_timespec32 __user *rmtp); 588 asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value); 589 asmlinkage long sys_setitimer(int which, 590 struct __kernel_old_itimerval __user *value, 591 struct __kernel_old_itimerval __user *ovalue); 592 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, 593 struct kexec_segment __user *segments, 594 unsigned long flags); 595 asmlinkage long sys_init_module(void __user *umod, unsigned long len, 596 const char __user *uargs); 597 asmlinkage long sys_delete_module(const char __user *name_user, 598 unsigned int flags); 599 asmlinkage long sys_timer_create(clockid_t which_clock, 600 struct sigevent __user *timer_event_spec, 601 timer_t __user * created_timer_id); 602 asmlinkage long sys_timer_gettime(timer_t timer_id, 603 struct __kernel_itimerspec __user *setting); 604 asmlinkage long sys_timer_getoverrun(timer_t timer_id); 605 asmlinkage long sys_timer_settime(timer_t timer_id, int flags, 606 const struct __kernel_itimerspec __user *new_setting, 607 struct __kernel_itimerspec __user *old_setting); 608 asmlinkage long sys_timer_delete(timer_t timer_id); 609 asmlinkage long sys_clock_settime(clockid_t which_clock, 610 const struct __kernel_timespec __user *tp); 611 asmlinkage long sys_clock_gettime(clockid_t which_clock, 612 struct __kernel_timespec __user *tp); 613 asmlinkage long sys_clock_getres(clockid_t which_clock, 614 struct __kernel_timespec __user *tp); 615 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, 616 const struct __kernel_timespec __user *rqtp, 617 struct __kernel_timespec __user *rmtp); 618 asmlinkage long sys_timer_gettime32(timer_t timer_id, 619 struct old_itimerspec32 __user *setting); 620 asmlinkage long sys_timer_settime32(timer_t timer_id, int flags, 621 struct old_itimerspec32 __user *new, 622 struct old_itimerspec32 __user *old); 623 asmlinkage long sys_clock_settime32(clockid_t which_clock, 624 struct old_timespec32 __user *tp); 625 asmlinkage long sys_clock_gettime32(clockid_t which_clock, 626 struct old_timespec32 __user *tp); 627 asmlinkage long sys_clock_getres_time32(clockid_t which_clock, 628 struct old_timespec32 __user *tp); 629 asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags, 630 struct old_timespec32 __user *rqtp, 631 struct old_timespec32 __user *rmtp); 632 asmlinkage long sys_syslog(int type, char __user *buf, int len); 633 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, 634 unsigned long data); 635 asmlinkage long sys_sched_setparam(pid_t pid, 636 struct sched_param __user *param); 637 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy, 638 struct sched_param __user *param); 639 asmlinkage long sys_sched_getscheduler(pid_t pid); 640 asmlinkage long sys_sched_getparam(pid_t pid, 641 struct sched_param __user *param); 642 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len, 643 unsigned long __user *user_mask_ptr); 644 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len, 645 unsigned long __user *user_mask_ptr); 646 asmlinkage long sys_sched_yield(void); 647 asmlinkage long sys_sched_get_priority_max(int policy); 648 asmlinkage long sys_sched_get_priority_min(int policy); 649 asmlinkage long sys_sched_rr_get_interval(pid_t pid, 650 struct __kernel_timespec __user *interval); 651 asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid, 652 struct old_timespec32 __user *interval); 653 asmlinkage long sys_restart_syscall(void); 654 asmlinkage long sys_kill(pid_t pid, int sig); 655 asmlinkage long sys_tkill(pid_t pid, int sig); 656 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig); 657 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss, 658 struct sigaltstack __user *uoss); 659 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); 660 #ifndef CONFIG_ODD_RT_SIGACTION 661 asmlinkage long sys_rt_sigaction(int, 662 const struct sigaction __user *, 663 struct sigaction __user *, 664 size_t); 665 #endif 666 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set, 667 sigset_t __user *oset, size_t sigsetsize); 668 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize); 669 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese, 670 siginfo_t __user *uinfo, 671 const struct __kernel_timespec __user *uts, 672 size_t sigsetsize); 673 asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese, 674 siginfo_t __user *uinfo, 675 const struct old_timespec32 __user *uts, 676 size_t sigsetsize); 677 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo); 678 asmlinkage long sys_setpriority(int which, int who, int niceval); 679 asmlinkage long sys_getpriority(int which, int who); 680 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, 681 void __user *arg); 682 asmlinkage long sys_setregid(gid_t rgid, gid_t egid); 683 asmlinkage long sys_setgid(gid_t gid); 684 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid); 685 asmlinkage long sys_setuid(uid_t uid); 686 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid); 687 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid); 688 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid); 689 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid); 690 asmlinkage long sys_setfsuid(uid_t uid); 691 asmlinkage long sys_setfsgid(gid_t gid); 692 asmlinkage long sys_times(struct tms __user *tbuf); 693 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid); 694 asmlinkage long sys_getpgid(pid_t pid); 695 asmlinkage long sys_getsid(pid_t pid); 696 asmlinkage long sys_setsid(void); 697 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist); 698 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist); 699 asmlinkage long sys_newuname(struct new_utsname __user *name); 700 asmlinkage long sys_sethostname(char __user *name, int len); 701 asmlinkage long sys_setdomainname(char __user *name, int len); 702 asmlinkage long sys_getrlimit(unsigned int resource, 703 struct rlimit __user *rlim); 704 asmlinkage long sys_setrlimit(unsigned int resource, 705 struct rlimit __user *rlim); 706 asmlinkage long sys_getrusage(int who, struct rusage __user *ru); 707 asmlinkage long sys_umask(int mask); 708 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, 709 unsigned long arg4, unsigned long arg5); 710 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache); 711 asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv, 712 struct timezone __user *tz); 713 asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv, 714 struct timezone __user *tz); 715 asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p); 716 asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p); 717 asmlinkage long sys_getpid(void); 718 asmlinkage long sys_getppid(void); 719 asmlinkage long sys_getuid(void); 720 asmlinkage long sys_geteuid(void); 721 asmlinkage long sys_getgid(void); 722 asmlinkage long sys_getegid(void); 723 asmlinkage long sys_gettid(void); 724 asmlinkage long sys_sysinfo(struct sysinfo __user *info); 725 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); 726 asmlinkage long sys_mq_unlink(const char __user *name); 727 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); 728 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); 729 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); 730 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); 731 asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes, 732 char __user *u_msg_ptr, 733 unsigned int msg_len, unsigned int __user *u_msg_prio, 734 const struct old_timespec32 __user *u_abs_timeout); 735 asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes, 736 const char __user *u_msg_ptr, 737 unsigned int msg_len, unsigned int msg_prio, 738 const struct old_timespec32 __user *u_abs_timeout); 739 asmlinkage long sys_msgget(key_t key, int msgflg); 740 asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 741 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 742 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, 743 size_t msgsz, long msgtyp, int msgflg); 744 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp, 745 size_t msgsz, int msgflg); 746 asmlinkage long sys_semget(key_t key, int nsems, int semflg); 747 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); 748 asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); 749 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, 750 unsigned nsops, 751 const struct __kernel_timespec __user *timeout); 752 asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops, 753 unsigned nsops, 754 const struct old_timespec32 __user *timeout); 755 asmlinkage long sys_semop(int semid, struct sembuf __user *sops, 756 unsigned nsops); 757 asmlinkage long sys_shmget(key_t key, size_t size, int flag); 758 asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 759 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 760 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); 761 asmlinkage long sys_shmdt(char __user *shmaddr); 762 asmlinkage long sys_socket(int, int, int); 763 asmlinkage long sys_socketpair(int, int, int, int __user *); 764 asmlinkage long sys_bind(int, struct sockaddr __user *, int); 765 asmlinkage long sys_listen(int, int); 766 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *); 767 asmlinkage long sys_connect(int, struct sockaddr __user *, int); 768 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); 769 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); 770 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, 771 struct sockaddr __user *, int); 772 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned, 773 struct sockaddr __user *, int __user *); 774 asmlinkage long sys_setsockopt(int fd, int level, int optname, 775 char __user *optval, int optlen); 776 asmlinkage long sys_getsockopt(int fd, int level, int optname, 777 char __user *optval, int __user *optlen); 778 asmlinkage long sys_shutdown(int, int); 779 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 780 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags); 781 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count); 782 asmlinkage long sys_brk(unsigned long brk); 783 asmlinkage long sys_munmap(unsigned long addr, size_t len); 784 asmlinkage long sys_mremap(unsigned long addr, 785 unsigned long old_len, unsigned long new_len, 786 unsigned long flags, unsigned long new_addr); 787 asmlinkage long sys_add_key(const char __user *_type, 788 const char __user *_description, 789 const void __user *_payload, 790 size_t plen, 791 key_serial_t destringid); 792 asmlinkage long sys_request_key(const char __user *_type, 793 const char __user *_description, 794 const char __user *_callout_info, 795 key_serial_t destringid); 796 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, 797 unsigned long arg4, unsigned long arg5); 798 #ifdef CONFIG_CLONE_BACKWARDS 799 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long, 800 int __user *); 801 #else 802 #ifdef CONFIG_CLONE_BACKWARDS3 803 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *, 804 int __user *, unsigned long); 805 #else 806 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, 807 int __user *, unsigned long); 808 #endif 809 #endif 810 811 asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size); 812 813 asmlinkage long sys_execve(const char __user *filename, 814 const char __user *const __user *argv, 815 const char __user *const __user *envp); 816 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 817 818 /* CONFIG_MMU only */ 819 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags); 820 asmlinkage long sys_swapoff(const char __user *specialfile); 821 asmlinkage long sys_mprotect(unsigned long start, size_t len, 822 unsigned long prot); 823 asmlinkage long sys_msync(unsigned long start, size_t len, int flags); 824 asmlinkage long sys_mlock(unsigned long start, size_t len); 825 asmlinkage long sys_munlock(unsigned long start, size_t len); 826 asmlinkage long sys_mlockall(int flags); 827 asmlinkage long sys_munlockall(void); 828 asmlinkage long sys_mincore(unsigned long start, size_t len, 829 unsigned char __user * vec); 830 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior); 831 asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec, 832 size_t vlen, int behavior, unsigned int flags); 833 asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags); 834 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, 835 unsigned long prot, unsigned long pgoff, 836 unsigned long flags); 837 asmlinkage long sys_mseal(unsigned long start, size_t len, unsigned long flags); 838 asmlinkage long sys_mbind(unsigned long start, unsigned long len, 839 unsigned long mode, 840 const unsigned long __user *nmask, 841 unsigned long maxnode, 842 unsigned flags); 843 asmlinkage long sys_get_mempolicy(int __user *policy, 844 unsigned long __user *nmask, 845 unsigned long maxnode, 846 unsigned long addr, unsigned long flags); 847 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask, 848 unsigned long maxnode); 849 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, 850 const unsigned long __user *from, 851 const unsigned long __user *to); 852 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, 853 const void __user * __user *pages, 854 const int __user *nodes, 855 int __user *status, 856 int flags); 857 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, 858 siginfo_t __user *uinfo); 859 asmlinkage long sys_perf_event_open( 860 struct perf_event_attr __user *attr_uptr, 861 pid_t pid, int cpu, int group_fd, unsigned long flags); 862 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int); 863 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg, 864 unsigned int vlen, unsigned flags, 865 struct __kernel_timespec __user *timeout); 866 asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg, 867 unsigned int vlen, unsigned flags, 868 struct old_timespec32 __user *timeout); 869 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr, 870 int options, struct rusage __user *ru); 871 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource, 872 const struct rlimit64 __user *new_rlim, 873 struct rlimit64 __user *old_rlim); 874 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags); 875 #if defined(CONFIG_ARCH_SPLIT_ARG64) 876 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, 877 unsigned int mask_1, unsigned int mask_2, 878 int dfd, const char __user * pathname); 879 #else 880 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags, 881 u64 mask, int fd, 882 const char __user *pathname); 883 #endif 884 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name, 885 struct file_handle __user *handle, 886 void __user *mnt_id, int flag); 887 asmlinkage long sys_open_by_handle_at(int mountdirfd, 888 struct file_handle __user *handle, 889 int flags); 890 asmlinkage long sys_clock_adjtime(clockid_t which_clock, 891 struct __kernel_timex __user *tx); 892 asmlinkage long sys_clock_adjtime32(clockid_t which_clock, 893 struct old_timex32 __user *tx); 894 asmlinkage long sys_syncfs(int fd); 895 asmlinkage long sys_setns(int fd, int nstype); 896 asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags); 897 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, 898 unsigned int vlen, unsigned flags); 899 asmlinkage long sys_process_vm_readv(pid_t pid, 900 const struct iovec __user *lvec, 901 unsigned long liovcnt, 902 const struct iovec __user *rvec, 903 unsigned long riovcnt, 904 unsigned long flags); 905 asmlinkage long sys_process_vm_writev(pid_t pid, 906 const struct iovec __user *lvec, 907 unsigned long liovcnt, 908 const struct iovec __user *rvec, 909 unsigned long riovcnt, 910 unsigned long flags); 911 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type, 912 unsigned long idx1, unsigned long idx2); 913 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags); 914 asmlinkage long sys_sched_setattr(pid_t pid, 915 struct sched_attr __user *attr, 916 unsigned int flags); 917 asmlinkage long sys_sched_getattr(pid_t pid, 918 struct sched_attr __user *attr, 919 unsigned int size, 920 unsigned int flags); 921 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname, 922 int newdfd, const char __user *newname, 923 unsigned int flags); 924 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags, 925 void __user *uargs); 926 asmlinkage long sys_getrandom(char __user *buf, size_t count, 927 unsigned int flags); 928 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags); 929 asmlinkage long sys_bpf(int cmd, union bpf_attr __user *attr, unsigned int size); 930 asmlinkage long sys_execveat(int dfd, const char __user *filename, 931 const char __user *const __user *argv, 932 const char __user *const __user *envp, int flags); 933 asmlinkage long sys_userfaultfd(int flags); 934 asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id); 935 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags); 936 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in, 937 int fd_out, loff_t __user *off_out, 938 size_t len, unsigned int flags); 939 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec, 940 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 941 rwf_t flags); 942 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec, 943 unsigned long vlen, unsigned long pos_l, unsigned long pos_h, 944 rwf_t flags); 945 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len, 946 unsigned long prot, int pkey); 947 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val); 948 asmlinkage long sys_pkey_free(int pkey); 949 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags, 950 unsigned mask, struct statx __user *buffer); 951 asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len, 952 int flags, uint32_t sig); 953 asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags); 954 asmlinkage long sys_open_tree_attr(int dfd, const char __user *path, 955 unsigned flags, 956 struct mount_attr __user *uattr, 957 size_t usize); 958 asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path, 959 int to_dfd, const char __user *to_path, 960 unsigned int ms_flags); 961 asmlinkage long sys_mount_setattr(int dfd, const char __user *path, 962 unsigned int flags, 963 struct mount_attr __user *uattr, size_t usize); 964 asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags); 965 asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key, 966 const void __user *value, int aux); 967 asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags); 968 asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags); 969 asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, 970 siginfo_t __user *info, 971 unsigned int flags); 972 asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags); 973 asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr, 974 size_t size, __u32 flags); 975 asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type, 976 const void __user *rule_attr, __u32 flags); 977 asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags); 978 asmlinkage long sys_memfd_secret(unsigned int flags); 979 asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len, 980 unsigned long home_node, 981 unsigned long flags); 982 asmlinkage long sys_cachestat(unsigned int fd, 983 struct cachestat_range __user *cstat_range, 984 struct cachestat __user *cstat, unsigned int flags); 985 asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags); 986 asmlinkage long sys_lsm_get_self_attr(unsigned int attr, struct lsm_ctx __user *ctx, 987 u32 __user *size, u32 flags); 988 asmlinkage long sys_lsm_set_self_attr(unsigned int attr, struct lsm_ctx __user *ctx, 989 u32 size, u32 flags); 990 asmlinkage long sys_lsm_list_modules(u64 __user *ids, u32 __user *size, u32 flags); 991 992 /* 993 * Architecture-specific system calls 994 */ 995 996 /* x86 */ 997 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on); 998 999 asmlinkage long sys_uretprobe(void); 1000 1001 /* pciconfig: alpha, arm, arm64, ia64, sparc */ 1002 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn, 1003 unsigned long off, unsigned long len, 1004 void __user *buf); 1005 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn, 1006 unsigned long off, unsigned long len, 1007 void __user *buf); 1008 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn); 1009 1010 /* powerpc */ 1011 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, 1012 __u32 __user *ustatus); 1013 asmlinkage long sys_spu_create(const char __user *name, 1014 unsigned int flags, umode_t mode, int fd); 1015 1016 1017 /* 1018 * Deprecated system calls which are still defined in 1019 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch 1020 */ 1021 1022 /* __ARCH_WANT_SYSCALL_NO_AT */ 1023 asmlinkage long sys_open(const char __user *filename, 1024 int flags, umode_t mode); 1025 asmlinkage long sys_link(const char __user *oldname, 1026 const char __user *newname); 1027 asmlinkage long sys_unlink(const char __user *pathname); 1028 asmlinkage long sys_mknod(const char __user *filename, umode_t mode, 1029 unsigned dev); 1030 asmlinkage long sys_chmod(const char __user *filename, umode_t mode); 1031 asmlinkage long sys_chown(const char __user *filename, 1032 uid_t user, gid_t group); 1033 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); 1034 asmlinkage long sys_rmdir(const char __user *pathname); 1035 asmlinkage long sys_lchown(const char __user *filename, 1036 uid_t user, gid_t group); 1037 asmlinkage long sys_access(const char __user *filename, int mode); 1038 asmlinkage long sys_rename(const char __user *oldname, 1039 const char __user *newname); 1040 asmlinkage long sys_symlink(const char __user *old, const char __user *new); 1041 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64) 1042 asmlinkage long sys_stat64(const char __user *filename, 1043 struct stat64 __user *statbuf); 1044 asmlinkage long sys_lstat64(const char __user *filename, 1045 struct stat64 __user *statbuf); 1046 #endif 1047 1048 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ 1049 asmlinkage long sys_pipe(int __user *fildes); 1050 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); 1051 asmlinkage long sys_epoll_create(int size); 1052 asmlinkage long sys_inotify_init(void); 1053 asmlinkage long sys_eventfd(unsigned int count); 1054 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask); 1055 1056 /* __ARCH_WANT_SYSCALL_OFF_T */ 1057 asmlinkage long sys_sendfile(int out_fd, int in_fd, 1058 off_t __user *offset, size_t count); 1059 asmlinkage long sys_newstat(const char __user *filename, 1060 struct stat __user *statbuf); 1061 asmlinkage long sys_newlstat(const char __user *filename, 1062 struct stat __user *statbuf); 1063 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice); 1064 1065 /* __ARCH_WANT_SYSCALL_DEPRECATED */ 1066 asmlinkage long sys_alarm(unsigned int seconds); 1067 asmlinkage long sys_getpgrp(void); 1068 asmlinkage long sys_pause(void); 1069 asmlinkage long sys_time(__kernel_old_time_t __user *tloc); 1070 asmlinkage long sys_time32(old_time32_t __user *tloc); 1071 #ifdef __ARCH_WANT_SYS_UTIME 1072 asmlinkage long sys_utime(char __user *filename, 1073 struct utimbuf __user *times); 1074 asmlinkage long sys_utimes(char __user *filename, 1075 struct __kernel_old_timeval __user *utimes); 1076 asmlinkage long sys_futimesat(int dfd, const char __user *filename, 1077 struct __kernel_old_timeval __user *utimes); 1078 #endif 1079 asmlinkage long sys_futimesat_time32(unsigned int dfd, 1080 const char __user *filename, 1081 struct old_timeval32 __user *t); 1082 asmlinkage long sys_utime32(const char __user *filename, 1083 struct old_utimbuf32 __user *t); 1084 asmlinkage long sys_utimes_time32(const char __user *filename, 1085 struct old_timeval32 __user *t); 1086 asmlinkage long sys_creat(const char __user *pathname, umode_t mode); 1087 asmlinkage long sys_getdents(unsigned int fd, 1088 struct linux_dirent __user *dirent, 1089 unsigned int count); 1090 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, 1091 fd_set __user *exp, struct __kernel_old_timeval __user *tvp); 1092 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, 1093 int timeout); 1094 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events, 1095 int maxevents, int timeout); 1096 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf); 1097 asmlinkage long sys_vfork(void); 1098 asmlinkage long sys_recv(int, void __user *, size_t, unsigned); 1099 asmlinkage long sys_send(int, void __user *, size_t, unsigned); 1100 asmlinkage long sys_oldumount(char __user *name); 1101 asmlinkage long sys_uselib(const char __user *library); 1102 asmlinkage long sys_sysfs(int option, 1103 unsigned long arg1, unsigned long arg2); 1104 asmlinkage long sys_fork(void); 1105 1106 /* obsolete */ 1107 asmlinkage long sys_stime(__kernel_old_time_t __user *tptr); 1108 asmlinkage long sys_stime32(old_time32_t __user *tptr); 1109 1110 /* obsolete */ 1111 asmlinkage long sys_sigpending(old_sigset_t __user *uset); 1112 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, 1113 old_sigset_t __user *oset); 1114 #ifdef CONFIG_OLD_SIGSUSPEND 1115 asmlinkage long sys_sigsuspend(old_sigset_t mask); 1116 #endif 1117 1118 #ifdef CONFIG_OLD_SIGSUSPEND3 1119 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask); 1120 #endif 1121 1122 #ifdef CONFIG_OLD_SIGACTION 1123 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *, 1124 struct old_sigaction __user *); 1125 #endif 1126 asmlinkage long sys_sgetmask(void); 1127 asmlinkage long sys_ssetmask(int newmask); 1128 asmlinkage long sys_signal(int sig, __sighandler_t handler); 1129 1130 /* obsolete */ 1131 asmlinkage long sys_nice(int increment); 1132 1133 /* obsolete */ 1134 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd, 1135 unsigned long cmdline_len, 1136 const char __user *cmdline_ptr, 1137 unsigned long flags); 1138 1139 /* obsolete */ 1140 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options); 1141 1142 /* obsolete */ 1143 #ifdef CONFIG_HAVE_UID16 1144 asmlinkage long sys_chown16(const char __user *filename, 1145 old_uid_t user, old_gid_t group); 1146 asmlinkage long sys_lchown16(const char __user *filename, 1147 old_uid_t user, old_gid_t group); 1148 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group); 1149 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid); 1150 asmlinkage long sys_setgid16(old_gid_t gid); 1151 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid); 1152 asmlinkage long sys_setuid16(old_uid_t uid); 1153 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid); 1154 asmlinkage long sys_getresuid16(old_uid_t __user *ruid, 1155 old_uid_t __user *euid, old_uid_t __user *suid); 1156 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid); 1157 asmlinkage long sys_getresgid16(old_gid_t __user *rgid, 1158 old_gid_t __user *egid, old_gid_t __user *sgid); 1159 asmlinkage long sys_setfsuid16(old_uid_t uid); 1160 asmlinkage long sys_setfsgid16(old_gid_t gid); 1161 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist); 1162 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist); 1163 asmlinkage long sys_getuid16(void); 1164 asmlinkage long sys_geteuid16(void); 1165 asmlinkage long sys_getgid16(void); 1166 asmlinkage long sys_getegid16(void); 1167 #endif 1168 1169 /* obsolete */ 1170 asmlinkage long sys_socketcall(int call, unsigned long __user *args); 1171 1172 /* obsolete */ 1173 asmlinkage long sys_stat(const char __user *filename, 1174 struct __old_kernel_stat __user *statbuf); 1175 asmlinkage long sys_lstat(const char __user *filename, 1176 struct __old_kernel_stat __user *statbuf); 1177 asmlinkage long sys_fstat(unsigned int fd, 1178 struct __old_kernel_stat __user *statbuf); 1179 asmlinkage long sys_readlink(const char __user *path, 1180 char __user *buf, int bufsiz); 1181 1182 /* obsolete */ 1183 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg); 1184 1185 /* obsolete */ 1186 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int); 1187 1188 /* obsolete */ 1189 asmlinkage long sys_gethostname(char __user *name, int len); 1190 asmlinkage long sys_uname(struct old_utsname __user *); 1191 asmlinkage long sys_olduname(struct oldold_utsname __user *); 1192 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT 1193 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim); 1194 #endif 1195 1196 /* obsolete */ 1197 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, 1198 unsigned long third, void __user *ptr, long fifth); 1199 1200 /* obsolete */ 1201 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len, 1202 unsigned long prot, unsigned long flags, 1203 unsigned long fd, unsigned long pgoff); 1204 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg); 1205 1206 1207 /* 1208 * Not a real system call, but a placeholder for syscalls which are 1209 * not implemented -- see kernel/sys_ni.c 1210 */ 1211 asmlinkage long sys_ni_syscall(void); 1212 1213 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 1214 1215 asmlinkage long sys_ni_posix_timers(void); 1216 1217 /* 1218 * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly. 1219 * Instead, use one of the functions which work equivalently, such as 1220 * the ksys_xyzyyz() functions prototyped below. 1221 */ 1222 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count); 1223 int ksys_fchown(unsigned int fd, uid_t user, gid_t group); 1224 ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count); 1225 void ksys_sync(void); 1226 int ksys_unshare(unsigned long unshare_flags); 1227 int ksys_setsid(void); 1228 int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes, 1229 unsigned int flags); 1230 ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count, 1231 loff_t pos); 1232 ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf, 1233 size_t count, loff_t pos); 1234 int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len); 1235 #ifdef CONFIG_ADVISE_SYSCALLS 1236 int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice); 1237 #else 1238 static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, 1239 int advice) 1240 { 1241 return -EINVAL; 1242 } 1243 #endif 1244 unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, 1245 unsigned long prot, unsigned long flags, 1246 unsigned long fd, unsigned long pgoff); 1247 ssize_t ksys_readahead(int fd, loff_t offset, size_t count); 1248 int ksys_ipc(unsigned int call, int first, unsigned long second, 1249 unsigned long third, void __user * ptr, long fifth); 1250 int compat_ksys_ipc(u32 call, int first, int second, 1251 u32 third, u32 ptr, u32 fifth); 1252 1253 /* 1254 * The following kernel syscall equivalents are just wrappers to fs-internal 1255 * functions. Therefore, provide stubs to be inlined at the callsites. 1256 */ 1257 extern int do_fchownat(int dfd, const char __user *filename, uid_t user, 1258 gid_t group, int flag); 1259 1260 static inline long ksys_chown(const char __user *filename, uid_t user, 1261 gid_t group) 1262 { 1263 return do_fchownat(AT_FDCWD, filename, user, group, 0); 1264 } 1265 1266 static inline long ksys_lchown(const char __user *filename, uid_t user, 1267 gid_t group) 1268 { 1269 return do_fchownat(AT_FDCWD, filename, user, group, 1270 AT_SYMLINK_NOFOLLOW); 1271 } 1272 1273 extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small); 1274 1275 static inline long ksys_ftruncate(unsigned int fd, loff_t length) 1276 { 1277 return do_sys_ftruncate(fd, length, 1); 1278 } 1279 1280 extern long do_sys_truncate(const char __user *pathname, loff_t length); 1281 1282 static inline long ksys_truncate(const char __user *pathname, loff_t length) 1283 { 1284 return do_sys_truncate(pathname, length); 1285 } 1286 1287 static inline unsigned int ksys_personality(unsigned int personality) 1288 { 1289 unsigned int old = current->personality; 1290 1291 if (personality != 0xffffffff) 1292 set_personality(personality); 1293 1294 return old; 1295 } 1296 1297 /* for __ARCH_WANT_SYS_IPC */ 1298 long ksys_semtimedop(int semid, struct sembuf __user *tsops, 1299 unsigned int nsops, 1300 const struct __kernel_timespec __user *timeout); 1301 long ksys_semget(key_t key, int nsems, int semflg); 1302 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); 1303 long ksys_msgget(key_t key, int msgflg); 1304 long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); 1305 long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz, 1306 long msgtyp, int msgflg); 1307 long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz, 1308 int msgflg); 1309 long ksys_shmget(key_t key, size_t size, int shmflg); 1310 long ksys_shmdt(char __user *shmaddr); 1311 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); 1312 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems, 1313 unsigned int nsops, 1314 const struct old_timespec32 __user *timeout); 1315 long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops, 1316 const struct timespec64 *timeout, 1317 struct ipc_namespace *ns); 1318 1319 int __sys_getsockopt(int fd, int level, int optname, char __user *optval, 1320 int __user *optlen); 1321 int __sys_setsockopt(int fd, int level, int optname, char __user *optval, 1322 int optlen); 1323 #endif 1324