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stress-enosys.c
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/*
* Copyright (C) 2013-2018 Canonical, Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* This code is a complete clean re-write of the stress tool by
* Colin Ian King <[email protected]> and attempts to be
* backwardly compatible with the stress tool by Amos Waterland
* <[email protected]> but has more stress tests and more
* functionality.
*
*/
#include "stress-ng.h"
#if defined(HAVE_SYSCALL_H)
#define HASH_SYSCALL_SIZE (1987)
#if defined(__NR_syscalls)
#define MAX_SYSCALL __NR_syscalls
#else
#define MAX_SYSCALL (2048) /* Guess */
#endif
typedef struct hash_syscall {
struct hash_syscall *next;
long number;
} hash_syscall_t;
static hash_syscall_t *hash_syscall_table[HASH_SYSCALL_SIZE];
PRAGMA_PUSH
PRAGMA_WARN_OFF
static inline long syscall7(long number, long arg1, long arg2,
long arg3, long arg4, long arg5,
long arg6, long arg7)
{
int ret;
pid_t pid = getpid();
ret = syscall(number, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
if (getpid() != pid) {
/* Somehow we forked/cloned ourselves, so exit */
_exit(0);
}
return ret;
}
PRAGMA_POP
static inline bool HOT OPTIMIZE3 syscall_find(long number)
{
hash_syscall_t *h = hash_syscall_table[number % HASH_SYSCALL_SIZE];
/* Really make sure reboot is never called */
#if defined(SYS_reboot)
if ((number & 0xffff) == SYS_reboot)
return true;
#endif
#if defined(__NR_reboot)
if ((number & 0xffff) == __NR_reboot)
return true;
#endif
#if defined(SYS_clone)
if ((number & 0xffff) == SYS_clone)
return true;
#endif
#if defined(__NR_clone)
if ((number & 0xffff) == __NR_clone)
return true;
#endif
#if defined(SYS_clone2)
if ((number & 0xffff) == SYS_clone2)
return true;
#endif
#if defined(__NR_clone2)
if ((number & 0xffff) == __NR_clone2)
return true;
#endif
#if defined(SYS_fork)
if ((number & 0xffff) == SYS_fork)
return true;
#endif
#if defined(__NR_fork)
if ((number & 0xffff) == __NR_fork)
return true;
#endif
#if defined(SYS_vfork)
if ((number & 0xffff) == SYS_vfork)
return true;
#endif
#if defined(__NR_vfork)
if ((number & 0xffff) == __NR_vfork)
return true;
#endif
#if defined(SYS_vhangup)
if ((number & 0xffff) == SYS_vhangup)
return true;
#endif
#if defined(__NR_vhangup)
if ((number & 0xffff) == __NR_vhangup)
return true;
#endif
while (h) {
if (h->number == number)
return true;
h = h->next;
}
return false;
}
static inline void HOT OPTIMIZE3 syscall_add(long number)
{
const long hash = number % HASH_SYSCALL_SIZE;
hash_syscall_t *newh, *h = hash_syscall_table[hash];
while (h) {
if (h->number == number)
return; /* Already exists */
h = h->next;
}
newh = malloc(sizeof(*newh));
if (!newh)
return; /* Can't add, ignore */
newh->number = number;
newh->next = hash_syscall_table[hash];
hash_syscall_table[hash] = newh;
}
static inline void syscall_free(void)
{
size_t i;
hash_syscall_t *h;
for (i = 0; i < HASH_SYSCALL_SIZE; i++) {
h = hash_syscall_table[i];
while (h) {
hash_syscall_t *next = h->next;
free(h);
h = next;
}
}
}
static const int sigs[] = {
#if defined(SIGILL)
SIGILL,
#endif
#if defined(SIGTRAP)
SIGTRAP,
#endif
#if defined(SIGFPE)
SIGFPE,
#endif
#if defined(SIGBUS)
SIGBUS,
#endif
#if defined(SIGSEGV)
SIGSEGV,
#endif
#if defined(SIGIOT)
SIGIOT,
#endif
#if defined(SIGEMT)
SIGEMT,
#endif
#if defined(SIGALRM)
SIGALRM,
#endif
#if defined(SIGINT)
SIGINT,
#endif
#if defined(SIGHUP)
SIGHUP
#endif
};
static const long skip_syscalls[] = {
/* Traditional SYS_ syscall interface */
#if defined(SYS_accept)
SYS_accept,
#endif
#if defined(SYS_accept4)
SYS_accept4,
#endif
#if defined(SYS_access)
SYS_access,
#endif
#if defined(SYS_acct)
SYS_acct,
#endif
#if defined(SYS_add_key)
SYS_add_key,
#endif
#if defined(SYS_adjtimex)
SYS_adjtimex,
#endif
#if defined(SYS_afs_syscall)
SYS_afs_syscall,
#endif
#if defined(SYS_alarm)
SYS_alarm,
#endif
#if defined(SYS_arch_prctl)
SYS_arch_prctl,
#endif
#if defined(SYS_bdflush)
SYS_bdflush,
#endif
#if defined(SYS_bind)
SYS_bind,
#endif
#if defined(SYS_bpf)
SYS_bpf,
#endif
#if defined(SYS_break)
SYS_break,
#endif
#if defined(SYS_brk)
SYS_brk,
#endif
#if defined(SYS_capget)
SYS_capget,
#endif
#if defined(SYS_capset)
SYS_capset,
#endif
#if defined(SYS_chdir)
SYS_chdir,
#endif
#if defined(SYS_chmod)
SYS_chmod,
#endif
#if defined(SYS_chown)
SYS_chown,
#endif
#if defined(SYS_chown32)
SYS_chown32,
#endif
#if defined(SYS_chroot)
SYS_chroot,
#endif
#if defined(SYS_clock_adjtime)
SYS_clock_adjtime,
#endif
#if defined(SYS_clock_getres)
SYS_clock_getres,
#endif
#if defined(SYS_clock_gettime)
SYS_clock_gettime,
#endif
#if defined(SYS_clock_nanosleep)
SYS_clock_nanosleep,
#endif
#if defined(SYS_clock_settime)
SYS_clock_settime,
#endif
#if defined(SYS_clone)
SYS_clone,
#endif
#if defined(SYS_clone2)
SYS_clone2,
#endif
#if defined(SYS_close)
SYS_close,
#endif
#if defined(SYS_connect)
SYS_connect,
#endif
#if defined(SYS_copy_file_range)
SYS_copy_file_range,
#endif
#if defined(SYS_creat)
SYS_creat,
#endif
#if defined(SYS_create_module)
SYS_create_module,
#endif
#if defined(SYS_delete_module)
SYS_delete_module,
#endif
#if defined(SYS_dup)
SYS_dup,
#endif
#if defined(SYS_dup2)
SYS_dup2,
#endif
#if defined(SYS_dup3)
SYS_dup3,
#endif
#if defined(SYS_epoll_create)
SYS_epoll_create,
#endif
#if defined(SYS_epoll_create1)
SYS_epoll_create1,
#endif
#if defined(SYS_epoll_ctl)
SYS_epoll_ctl,
#endif
#if defined(SYS_epoll_ctl_old)
SYS_epoll_ctl_old,
#endif
#if defined(SYS_epoll_pwait)
SYS_epoll_pwait,
#endif
#if defined(SYS_epoll_wait)
SYS_epoll_wait,
#endif
#if defined(SYS_epoll_wait_old)
SYS_epoll_wait_old,
#endif
#if defined(SYS_eventfd)
SYS_eventfd,
#endif
#if defined(SYS_eventfd2)
SYS_eventfd2,
#endif
#if defined(SYS_execve)
SYS_execve,
#endif
#if defined(SYS_execveat)
SYS_execveat,
#endif
#if defined(SYS_exit)
SYS_exit,
#endif
#if defined(SYS_exit_group)
SYS_exit_group,
#endif
#if defined(SYS_faccessat)
SYS_faccessat,
#endif
#if defined(SYS_fadvise64)
SYS_fadvise64,
#endif
#if defined(SYS_fadvise64_64)
SYS_fadvise64_64,
#endif
#if defined(SYS_fallocate)
SYS_fallocate,
#endif
#if defined(SYS_fanotify_init)
SYS_fanotify_init,
#endif
#if defined(SYS_fanotify_mark)
SYS_fanotify_mark,
#endif
#if defined(SYS_fchdir)
SYS_fchdir,
#endif
#if defined(SYS_fchmod)
SYS_fchmod,
#endif
#if defined(SYS_fchmodat)
SYS_fchmodat,
#endif
#if defined(SYS_fchown)
SYS_fchown,
#endif
#if defined(SYS_fchown32)
SYS_fchown32,
#endif
#if defined(SYS_fchownat)
SYS_fchownat,
#endif
#if defined(SYS_fcntl)
SYS_fcntl,
#endif
#if defined(SYS_fcntl64)
SYS_fcntl64,
#endif
#if defined(SYS_fdatasync)
SYS_fdatasync,
#endif
#if defined(SYS_fgetxattr)
SYS_fgetxattr,
#endif
#if defined(SYS_finit_module)
SYS_finit_module,
#endif
#if defined(SYS_flistxattr)
SYS_flistxattr,
#endif
#if defined(SYS_flock)
SYS_flock,
#endif
#if defined(SYS_fork)
SYS_fork,
#endif
#if defined(SYS_fremovexattr)
SYS_fremovexattr,
#endif
#if defined(SYS_fsetxattr)
SYS_fsetxattr,
#endif
#if defined(SYS_fstat)
SYS_fstat,
#endif
#if defined(SYS_fstat64)
SYS_fstat64,
#endif
#if defined(SYS_fstatat64)
SYS_fstatat64,
#endif
#if defined(SYS_fstatfs)
SYS_fstatfs,
#endif
#if defined(SYS_fstatfs64)
SYS_fstatfs64,
#endif
#if defined(SYS_fsync)
SYS_fsync,
#endif
#if defined(SYS_ftime)
SYS_ftime,
#endif
#if defined(SYS_ftruncate)
SYS_ftruncate,
#endif
#if defined(SYS_ftruncate64)
SYS_ftruncate64,
#endif
#if defined(SYS_futex)
SYS_futex,
#endif
#if defined(SYS_futimesat)
SYS_futimesat,
#endif
#if defined(SYS_getcpu)
SYS_getcpu,
#endif
#if defined(SYS_getcwd)
SYS_getcwd,
#endif
#if defined(SYS_getdents)
SYS_getdents,
#endif
#if defined(SYS_getdents64)
SYS_getdents64,
#endif
#if defined(SYS_getegid)
SYS_getegid,
#endif
#if defined(SYS_getegid32)
SYS_getegid32,
#endif
#if defined(SYS_geteuid)
SYS_geteuid,
#endif
#if defined(SYS_geteuid32)
SYS_geteuid32,
#endif
#if defined(SYS_getgid)
SYS_getgid,
#endif
#if defined(SYS_getgid32)
SYS_getgid32,
#endif
#if defined(SYS_getgroups)
SYS_getgroups,
#endif
#if defined(SYS_getgroups32)
SYS_getgroups32,
#endif
#if defined(SYS_getitimer)
SYS_getitimer,
#endif
#if defined(SYS_get_kernel_syms)
SYS_get_kernel_syms,
#endif
#if defined(SYS_get_mempolicy)
SYS_get_mempolicy,
#endif
#if defined(SYS_getpeername)
SYS_getpeername,
#endif
#if defined(SYS_getpgid)
SYS_getpgid,
#endif
#if defined(SYS_getpgrp)
SYS_getpgrp,
#endif
#if defined(SYS_getpid)
SYS_getpid,
#endif
#if defined(SYS_getpmsg)
SYS_getpmsg,
#endif
#if defined(SYS_getppid)
SYS_getppid,
#endif
#if defined(SYS_getpriority)
SYS_getpriority,
#endif
#if defined(SYS_getrandom)
SYS_getrandom,
#endif
#if defined(SYS_getresgid)
SYS_getresgid,
#endif
#if defined(SYS_getresgid32)
SYS_getresgid32,
#endif
#if defined(SYS_getresuid)
SYS_getresuid,
#endif
#if defined(SYS_getresuid32)
SYS_getresuid32,
#endif
#if defined(SYS_getrlimit)
SYS_getrlimit,
#endif
#if defined(SYS_get_robust_list)
SYS_get_robust_list,
#endif
#if defined(SYS_getrusage)
SYS_getrusage,
#endif
#if defined(SYS_getsid)
SYS_getsid,
#endif
#if defined(SYS_getsockname)
SYS_getsockname,
#endif
#if defined(SYS_getsockopt)
SYS_getsockopt,
#endif
#if defined(SYS_get_thread_area)
SYS_get_thread_area,
#endif
#if defined(SYS_gettid)
SYS_gettid,
#endif
#if defined(SYS_gettimeofday)
SYS_gettimeofday,
#endif
#if defined(SYS_getuid)
SYS_getuid,
#endif
#if defined(SYS_getuid32)
SYS_getuid32,
#endif
#if defined(SYS_getxattr)
SYS_getxattr,
#endif
#if defined(SYS_gtty)
SYS_gtty,
#endif
#if defined(SYS_idle)
SYS_idle,
#endif
#if defined(SYS_init_module)
SYS_init_module,
#endif
#if defined(SYS_inotify_add_watch)
SYS_inotify_add_watch,
#endif
#if defined(SYS_inotify_init)
SYS_inotify_init,
#endif
#if defined(SYS_inotify_init1)
SYS_inotify_init1,
#endif
#if defined(SYS_inotify_rm_watch)
SYS_inotify_rm_watch,
#endif
#if defined(SYS_io_cancel)
SYS_io_cancel,
#endif
#if defined(SYS_ioctl)
SYS_ioctl,
#endif
#if defined(SYS_io_destroy)
SYS_io_destroy,
#endif
#if defined(SYS_io_getevents)
SYS_io_getevents,
#endif
#if defined(SYS_ioperm)
SYS_ioperm,
#endif
#if defined(SYS_iopl)
SYS_iopl,
#endif
#if defined(SYS_ioprio_get)
SYS_ioprio_get,
#endif
#if defined(SYS_ioprio_set)
SYS_ioprio_set,
#endif
#if defined(SYS_io_setup)
SYS_io_setup,
#endif
#if defined(SYS_io_submit)
SYS_io_submit,
#endif
#if defined(SYS_ipc)
SYS_ipc,
#endif
#if defined(SYS_kcmp)
SYS_kcmp,
#endif
#if defined(SYS_kexec_file_load)
SYS_kexec_file_load,
#endif
#if defined(SYS_kexec_load)
SYS_kexec_load,
#endif
#if defined(SYS_keyctl)
SYS_keyctl,
#endif
#if defined(SYS_kill)
SYS_kill,
#endif
#if defined(SYS_lchown)
SYS_lchown,
#endif
#if defined(SYS_lchown32)
SYS_lchown32,
#endif
#if defined(SYS_lgetxattr)
SYS_lgetxattr,
#endif
#if defined(SYS_link)
SYS_link,
#endif
#if defined(SYS_linkat)
SYS_linkat,
#endif
#if defined(SYS_listen)
SYS_listen,
#endif
#if defined(SYS_listxattr)
SYS_listxattr,
#endif
#if defined(SYS_llistxattr)
SYS_llistxattr,
#endif
#if defined(SYS__llseek)
SYS__llseek,
#endif
#if defined(SYS_lock)
SYS_lock,
#endif
#if defined(SYS_lookup_dcookie)
SYS_lookup_dcookie,
#endif
#if defined(SYS_lremovexattr)
SYS_lremovexattr,
#endif
#if defined(SYS_lseek)
SYS_lseek,
#endif
#if defined(SYS_lsetxattr)
SYS_lsetxattr,
#endif
#if defined(SYS_lstat)
SYS_lstat,
#endif
#if defined(SYS_lstat64)
SYS_lstat64,
#endif
#if defined(SYS_madvise)
SYS_madvise,
#endif
#if defined(SYS_mbind)
SYS_mbind,
#endif
#if defined(SYS_membarrier)
SYS_membarrier,
#endif
#if defined(SYS_memfd_create)
SYS_memfd_create,
#endif
#if defined(SYS_migrate_pages)
SYS_migrate_pages,
#endif
#if defined(SYS_mincore)
SYS_mincore,
#endif
#if defined(SYS_mkdir)
SYS_mkdir,
#endif
#if defined(SYS_mkdirat)
SYS_mkdirat,
#endif
#if defined(SYS_mknod)
SYS_mknod,
#endif
#if defined(SYS_mknodat)
SYS_mknodat,
#endif
#if defined(SYS_mlock)
SYS_mlock,
#endif
#if defined(SYS_mlock2)
SYS_mlock2,
#endif
#if defined(SYS_mlockall)
SYS_mlockall,
#endif
#if defined(SYS_mmap)
SYS_mmap,
#endif
#if defined(SYS_mmap2)
SYS_mmap2,
#endif
#if defined(SYS_modify_ldt)
SYS_modify_ldt,
#endif
#if defined(SYS_mount)
SYS_mount,
#endif
#if defined(SYS_move_pages)
SYS_move_pages,
#endif
#if defined(SYS_mprotect)
SYS_mprotect,
#endif
#if defined(SYS_mpx)
SYS_mpx,
#endif
#if defined(SYS_mq_getsetattr)
SYS_mq_getsetattr,
#endif
#if defined(SYS_mq_notify)
SYS_mq_notify,
#endif
#if defined(SYS_mq_open)
SYS_mq_open,
#endif
#if defined(SYS_mq_timedreceive)
SYS_mq_timedreceive,
#endif
#if defined(SYS_mq_timedsend)
SYS_mq_timedsend,
#endif
#if defined(SYS_mq_unlink)
SYS_mq_unlink,
#endif
#if defined(SYS_mremap)
SYS_mremap,
#endif
#if defined(SYS_msgctl)
SYS_msgctl,
#endif
#if defined(SYS_msgget)
SYS_msgget,
#endif
#if defined(SYS_msgrcv)
SYS_msgrcv,
#endif
#if defined(SYS_msgsnd)
SYS_msgsnd,
#endif
#if defined(SYS_msync)
SYS_msync,
#endif
#if defined(SYS_munlock)
SYS_munlock,
#endif
#if defined(SYS_munlockall)
SYS_munlockall,
#endif
#if defined(SYS_munmap)
SYS_munmap,
#endif
#if defined(SYS_name_to_handle_at)
SYS_name_to_handle_at,
#endif
#if defined(SYS_nanosleep)
SYS_nanosleep,
#endif
#if defined(SYS_newfstatat)
SYS_newfstatat,
#endif
#if defined(SYS__newselect)
SYS__newselect,
#endif
#if defined(SYS_nfsservctl)
SYS_nfsservctl,
#endif
#if defined(SYS_nice)
SYS_nice,
#endif
#if defined(SYS_oldfstat)
SYS_oldfstat,
#endif
#if defined(SYS_oldlstat)
SYS_oldlstat,
#endif
#if defined(SYS_oldolduname)
SYS_oldolduname,
#endif
#if defined(SYS_oldstat)
SYS_oldstat,
#endif
#if defined(SYS_olduname)
SYS_olduname,
#endif
#if defined(SYS_open)
SYS_open,
#endif
#if defined(SYS_openat)
SYS_openat,
#endif
#if defined(SYS_open_by_handle_at)
SYS_open_by_handle_at,
#endif
#if defined(SYS_pause)
SYS_pause,
#endif
#if defined(SYS_perf_event_open)
SYS_perf_event_open,
#endif
#if defined(SYS_personality)
SYS_personality,
#endif
#if defined(SYS_pipe)
SYS_pipe,
#endif
#if defined(SYS_pipe2)
SYS_pipe2,
#endif
#if defined(SYS_pivot_root)
SYS_pivot_root,
#endif
#if defined(SYS_pkey_alloc)
SYS_pkey_alloc,
#endif
#if defined(SYS_pkey_free)
SYS_pkey_free,
#endif
#if defined(SYS_pkey_mprotect)
SYS_pkey_mprotect,
#endif
#if defined(SYS_poll)
SYS_poll,
#endif
#if defined(SYS_ppoll)
SYS_ppoll,
#endif
#if defined(SYS_prctl)
SYS_prctl,
#endif
#if defined(SYS_pread64)
SYS_pread64,
#endif
#if defined(SYS_preadv)
SYS_preadv,
#endif
#if defined(SYS_preadv2)
SYS_preadv2,
#endif
#if defined(SYS_prlimit64)
SYS_prlimit64,
#endif
#if defined(SYS_process_vm_readv)
SYS_process_vm_readv,
#endif
#if defined(SYS_process_vm_writev)
SYS_process_vm_writev,
#endif
#if defined(SYS_prof)
SYS_prof,
#endif
#if defined(SYS_profil)
SYS_profil,
#endif
#if defined(SYS_pselect6)
SYS_pselect6,
#endif
#if defined(SYS_ptrace)
SYS_ptrace,
#endif
#if defined(SYS_putpmsg)
SYS_putpmsg,
#endif
#if defined(SYS_pwrite64)
SYS_pwrite64,
#endif
#if defined(SYS_pwritev)
SYS_pwritev,
#endif
#if defined(SYS_pwritev2)
SYS_pwritev2,
#endif
#if defined(SYS_query_module)
SYS_query_module,
#endif
#if defined(SYS_quotactl)
SYS_quotactl,
#endif
#if defined(SYS_read)
SYS_read,
#endif
#if defined(SYS_readahead)
SYS_readahead,
#endif
#if defined(SYS_readdir)
SYS_readdir,
#endif
#if defined(SYS_readlink)
SYS_readlink,
#endif
#if defined(SYS_readlinkat)
SYS_readlinkat,
#endif
#if defined(SYS_readv)
SYS_readv,
#endif
#if defined(SYS_reboot)
SYS_reboot,
#endif
#if defined(SYS_recvfrom)
SYS_recvfrom,
#endif
#if defined(SYS_recvmmsg)
SYS_recvmmsg,
#endif
#if defined(SYS_recvmsg)
SYS_recvmsg,
#endif
#if defined(SYS_remap_file_pages)
SYS_remap_file_pages,
#endif
#if defined(SYS_removexattr)
SYS_removexattr,
#endif
#if defined(SYS_rename)
SYS_rename,
#endif
#if defined(SYS_renameat)
SYS_renameat,
#endif
#if defined(SYS_renameat2)
SYS_renameat2,
#endif
#if defined(SYS_request_key)
SYS_request_key,
#endif
#if defined(SYS_restart_syscall)
SYS_restart_syscall,
#endif
#if defined(SYS_rmdir)
SYS_rmdir,
#endif
#if defined(SYS_rt_sigaction)
SYS_rt_sigaction,
#endif
#if defined(SYS_rt_sigpending)
SYS_rt_sigpending,
#endif
#if defined(SYS_rt_sigprocmask)
SYS_rt_sigprocmask,
#endif
#if defined(SYS_rt_sigqueueinfo)
SYS_rt_sigqueueinfo,
#endif
#if defined(SYS_rt_sigreturn)
SYS_rt_sigreturn,
#endif
#if defined(SYS_rt_sigsuspend)
SYS_rt_sigsuspend,
#endif
#if defined(SYS_rt_sigtimedwait)
SYS_rt_sigtimedwait,
#endif
#if defined(SYS_rt_tgsigqueueinfo)
SYS_rt_tgsigqueueinfo,
#endif
#if defined(SYS_sched_getaffinity)
SYS_sched_getaffinity,
#endif
#if defined(SYS_sched_getattr)
SYS_sched_getattr,
#endif
#if defined(SYS_sched_getparam)
SYS_sched_getparam,
#endif
#if defined(SYS_sched_get_priority_max)
SYS_sched_get_priority_max,
#endif
#if defined(SYS_sched_get_priority_min)