1 files changed, 481 insertions, 0 deletions
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
new file mode 100644
index 000000000..860b2dcf3
--- /dev/null
+++ b/kernel/sys_ni.c
@@ -0,0 +1,481 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/linkage.h>
+#include <linux/errno.h>
+
+#include <asm/unistd.h>
+
+#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
+/* Architectures may override COND_SYSCALL and COND_SYSCALL_COMPAT */
+#include <asm/syscall_wrapper.h>
+#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
+
+/*  we can't #include <linux/syscalls.h> here,
+    but tell gcc to not warn with -Wmissing-prototypes  */
+asmlinkage long sys_ni_syscall(void);
+
+/*
+ * Non-implemented system calls get redirected here.
+ */
+asmlinkage long sys_ni_syscall(void)
+{
+	return -ENOSYS;
+}
+
+#ifndef COND_SYSCALL
+#define COND_SYSCALL(name) cond_syscall(sys_##name)
+#endif /* COND_SYSCALL */
+
+#ifndef COND_SYSCALL_COMPAT
+#define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name)
+#endif /* COND_SYSCALL_COMPAT */
+
+/*
+ * This list is kept in the same order as include/uapi/asm-generic/unistd.h.
+ * Architecture specific entries go below, followed by deprecated or obsolete
+ * system calls.
+ */
+
+COND_SYSCALL(io_setup);
+COND_SYSCALL_COMPAT(io_setup);
+COND_SYSCALL(io_destroy);
+COND_SYSCALL(io_submit);
+COND_SYSCALL_COMPAT(io_submit);
+COND_SYSCALL(io_cancel);
+COND_SYSCALL(io_getevents_time32);
+COND_SYSCALL(io_getevents);
+COND_SYSCALL(io_pgetevents_time32);
+COND_SYSCALL(io_pgetevents);
+COND_SYSCALL_COMPAT(io_pgetevents_time32);
+COND_SYSCALL_COMPAT(io_pgetevents);
+COND_SYSCALL(io_uring_setup);
+COND_SYSCALL(io_uring_enter);
+COND_SYSCALL(io_uring_register);
+
+/* fs/xattr.c */
+
+/* fs/dcache.c */
+
+/* fs/cookies.c */
+COND_SYSCALL(lookup_dcookie);
+COND_SYSCALL_COMPAT(lookup_dcookie);
+
+/* fs/eventfd.c */
+COND_SYSCALL(eventfd2);
+
+/* fs/eventfd.c */
+COND_SYSCALL(epoll_create1);
+COND_SYSCALL(epoll_ctl);
+COND_SYSCALL(epoll_pwait);
+COND_SYSCALL_COMPAT(epoll_pwait);
+COND_SYSCALL(epoll_pwait2);
+COND_SYSCALL_COMPAT(epoll_pwait2);
+
+/* fs/fcntl.c */
+
+/* fs/inotify_user.c */
+COND_SYSCALL(inotify_init1);
+COND_SYSCALL(inotify_add_watch);
+COND_SYSCALL(inotify_rm_watch);
+
+/* fs/ioctl.c */
+
+/* fs/ioprio.c */
+COND_SYSCALL(ioprio_set);
+COND_SYSCALL(ioprio_get);
+
+/* fs/locks.c */
+COND_SYSCALL(flock);
+
+/* fs/namei.c */
+
+/* fs/namespace.c */
+
+/* fs/nfsctl.c */
+
+/* fs/open.c */
+
+/* fs/pipe.c */
+
+/* fs/quota.c */
+COND_SYSCALL(quotactl);
+COND_SYSCALL(quotactl_fd);
+
+/* fs/readdir.c */
+
+/* fs/read_write.c */
+
+/* fs/sendfile.c */
+
+/* fs/select.c */
+
+/* fs/signalfd.c */
+COND_SYSCALL(signalfd4);
+COND_SYSCALL_COMPAT(signalfd4);
+
+/* fs/splice.c */
+
+/* fs/stat.c */
+
+/* fs/sync.c */
+
+/* fs/timerfd.c */
+COND_SYSCALL(timerfd_create);
+COND_SYSCALL(timerfd_settime);
+COND_SYSCALL(timerfd_settime32);
+COND_SYSCALL(timerfd_gettime);
+COND_SYSCALL(timerfd_gettime32);
+
+/* fs/utimes.c */
+
+/* kernel/acct.c */
+COND_SYSCALL(acct);
+
+/* kernel/capability.c */
+COND_SYSCALL(capget);
+COND_SYSCALL(capset);
+
+/* kernel/exec_domain.c */
+
+/* kernel/exit.c */
+
+/* kernel/fork.c */
+/* __ARCH_WANT_SYS_CLONE3 */
+COND_SYSCALL(clone3);
+
+/* kernel/futex/syscalls.c */
+COND_SYSCALL(futex);
+COND_SYSCALL(futex_time32);
+COND_SYSCALL(set_robust_list);
+COND_SYSCALL_COMPAT(set_robust_list);
+COND_SYSCALL(get_robust_list);
+COND_SYSCALL_COMPAT(get_robust_list);
+COND_SYSCALL(futex_waitv);
+
+/* kernel/hrtimer.c */
+
+/* kernel/itimer.c */
+
+/* kernel/kexec.c */
+COND_SYSCALL(kexec_load);
+COND_SYSCALL_COMPAT(kexec_load);
+
+/* kernel/module.c */
+COND_SYSCALL(init_module);
+COND_SYSCALL(delete_module);
+
+/* kernel/posix-timers.c */
+
+/* kernel/printk.c */
+COND_SYSCALL(syslog);
+
+/* kernel/ptrace.c */
+
+/* kernel/sched/core.c */
+
+/* kernel/sys.c */
+COND_SYSCALL(setregid);
+COND_SYSCALL(setgid);
+COND_SYSCALL(setreuid);
+COND_SYSCALL(setuid);
+COND_SYSCALL(setresuid);
+COND_SYSCALL(getresuid);
+COND_SYSCALL(setresgid);
+COND_SYSCALL(getresgid);
+COND_SYSCALL(setfsuid);
+COND_SYSCALL(setfsgid);
+COND_SYSCALL(setgroups);
+COND_SYSCALL(getgroups);
+
+/* kernel/time.c */
+
+/* kernel/timer.c */
+
+/* ipc/mqueue.c */
+COND_SYSCALL(mq_open);
+COND_SYSCALL_COMPAT(mq_open);
+COND_SYSCALL(mq_unlink);
+COND_SYSCALL(mq_timedsend);
+COND_SYSCALL(mq_timedsend_time32);
+COND_SYSCALL(mq_timedreceive);
+COND_SYSCALL(mq_timedreceive_time32);
+COND_SYSCALL(mq_notify);
+COND_SYSCALL_COMPAT(mq_notify);
+COND_SYSCALL(mq_getsetattr);
+COND_SYSCALL_COMPAT(mq_getsetattr);
+
+/* ipc/msg.c */
+COND_SYSCALL(msgget);
+COND_SYSCALL(old_msgctl);
+COND_SYSCALL(msgctl);
+COND_SYSCALL_COMPAT(msgctl);
+COND_SYSCALL_COMPAT(old_msgctl);
+COND_SYSCALL(msgrcv);
+COND_SYSCALL_COMPAT(msgrcv);
+COND_SYSCALL(msgsnd);
+COND_SYSCALL_COMPAT(msgsnd);
+
+/* ipc/sem.c */
+COND_SYSCALL(semget);
+COND_SYSCALL(old_semctl);
+COND_SYSCALL(semctl);
+COND_SYSCALL_COMPAT(semctl);
+COND_SYSCALL_COMPAT(old_semctl);
+COND_SYSCALL(semtimedop);
+COND_SYSCALL(semtimedop_time32);
+COND_SYSCALL(semop);
+
+/* ipc/shm.c */
+COND_SYSCALL(shmget);
+COND_SYSCALL(old_shmctl);
+COND_SYSCALL(shmctl);
+COND_SYSCALL_COMPAT(shmctl);
+COND_SYSCALL_COMPAT(old_shmctl);
+COND_SYSCALL(shmat);
+COND_SYSCALL_COMPAT(shmat);
+COND_SYSCALL(shmdt);
+
+/* net/socket.c */
+COND_SYSCALL(socket);
+COND_SYSCALL(socketpair);
+COND_SYSCALL(bind);
+COND_SYSCALL(listen);
+COND_SYSCALL(accept);
+COND_SYSCALL(connect);
+COND_SYSCALL(getsockname);
+COND_SYSCALL(getpeername);
+COND_SYSCALL(setsockopt);
+COND_SYSCALL_COMPAT(setsockopt);
+COND_SYSCALL(getsockopt);
+COND_SYSCALL_COMPAT(getsockopt);
+COND_SYSCALL(sendto);
+COND_SYSCALL(shutdown);
+COND_SYSCALL(recvfrom);
+COND_SYSCALL_COMPAT(recvfrom);
+COND_SYSCALL(sendmsg);
+COND_SYSCALL_COMPAT(sendmsg);
+COND_SYSCALL(recvmsg);
+COND_SYSCALL_COMPAT(recvmsg);
+
+/* mm/filemap.c */
+
+/* mm/nommu.c, also with MMU */
+COND_SYSCALL(mremap);
+
+/* security/keys/keyctl.c */
+COND_SYSCALL(add_key);
+COND_SYSCALL(request_key);
+COND_SYSCALL(keyctl);
+COND_SYSCALL_COMPAT(keyctl);
+
+/* security/landlock/syscalls.c */
+COND_SYSCALL(landlock_create_ruleset);
+COND_SYSCALL(landlock_add_rule);
+COND_SYSCALL(landlock_restrict_self);
+
+/* arch/example/kernel/sys_example.c */
+
+/* mm/fadvise.c */
+COND_SYSCALL(fadvise64_64);
+COND_SYSCALL_COMPAT(fadvise64_64);
+
+/* mm/, CONFIG_MMU only */
+COND_SYSCALL(swapon);
+COND_SYSCALL(swapoff);
+COND_SYSCALL(mprotect);
+COND_SYSCALL(msync);
+COND_SYSCALL(mlock);
+COND_SYSCALL(munlock);
+COND_SYSCALL(mlockall);
+COND_SYSCALL(munlockall);
+COND_SYSCALL(mincore);
+COND_SYSCALL(madvise);
+COND_SYSCALL(process_madvise);
+COND_SYSCALL(process_mrelease);
+COND_SYSCALL(remap_file_pages);
+COND_SYSCALL(mbind);
+COND_SYSCALL(get_mempolicy);
+COND_SYSCALL(set_mempolicy);
+COND_SYSCALL(migrate_pages);
+COND_SYSCALL(move_pages);
+COND_SYSCALL(set_mempolicy_home_node);
+
+COND_SYSCALL(perf_event_open);
+COND_SYSCALL(accept4);
+COND_SYSCALL(recvmmsg);
+COND_SYSCALL(recvmmsg_time32);
+COND_SYSCALL_COMPAT(recvmmsg_time32);
+COND_SYSCALL_COMPAT(recvmmsg_time64);
+
+/*
+ * Architecture specific syscalls: see further below
+ */
+
+/* fanotify */
+COND_SYSCALL(fanotify_init);
+COND_SYSCALL(fanotify_mark);
+
+/* open by handle */
+COND_SYSCALL(name_to_handle_at);
+COND_SYSCALL(open_by_handle_at);
+COND_SYSCALL_COMPAT(open_by_handle_at);
+
+COND_SYSCALL(sendmmsg);
+COND_SYSCALL_COMPAT(sendmmsg);
+COND_SYSCALL(process_vm_readv);
+COND_SYSCALL_COMPAT(process_vm_readv);
+COND_SYSCALL(process_vm_writev);
+COND_SYSCALL_COMPAT(process_vm_writev);
+
+/* compare kernel pointers */
+COND_SYSCALL(kcmp);
+
+COND_SYSCALL(finit_module);
+
+/* operate on Secure Computing state */
+COND_SYSCALL(seccomp);
+
+COND_SYSCALL(memfd_create);
+
+/* access BPF programs and maps */
+COND_SYSCALL(bpf);
+
+/* execveat */
+COND_SYSCALL(execveat);
+
+COND_SYSCALL(userfaultfd);
+
+/* membarrier */
+COND_SYSCALL(membarrier);
+
+COND_SYSCALL(mlock2);
+
+COND_SYSCALL(copy_file_range);
+
+/* memory protection keys */
+COND_SYSCALL(pkey_mprotect);
+COND_SYSCALL(pkey_alloc);
+COND_SYSCALL(pkey_free);
+
+/* memfd_secret */
+COND_SYSCALL(memfd_secret);
+
+/*
+ * Architecture specific weak syscall entries.
+ */
+
+/* pciconfig: alpha, arm, arm64, ia64, sparc */
+COND_SYSCALL(pciconfig_read);
+COND_SYSCALL(pciconfig_write);
+COND_SYSCALL(pciconfig_iobase);
+
+/* sys_socketcall: arm, mips, x86, ... */
+COND_SYSCALL(socketcall);
+COND_SYSCALL_COMPAT(socketcall);
+
+/* compat syscalls for arm64, x86, ... */
+COND_SYSCALL_COMPAT(fanotify_mark);
+
+/* x86 */
+COND_SYSCALL(vm86old);
+COND_SYSCALL(modify_ldt);
+COND_SYSCALL(vm86);
+COND_SYSCALL(kexec_file_load);
+
+/* s390 */
+COND_SYSCALL(s390_pci_mmio_read);
+COND_SYSCALL(s390_pci_mmio_write);
+COND_SYSCALL(s390_ipc);
+COND_SYSCALL_COMPAT(s390_ipc);
+
+/* powerpc */
+COND_SYSCALL(rtas);
+COND_SYSCALL(spu_run);
+COND_SYSCALL(spu_create);
+COND_SYSCALL(subpage_prot);
+
+
+/*
+ * Deprecated system calls which are still defined in
+ * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
+ */
+
+/* __ARCH_WANT_SYSCALL_NO_FLAGS */
+COND_SYSCALL(epoll_create);
+COND_SYSCALL(inotify_init);
+COND_SYSCALL(eventfd);
+COND_SYSCALL(signalfd);
+COND_SYSCALL_COMPAT(signalfd);
+
+/* __ARCH_WANT_SYSCALL_OFF_T */
+COND_SYSCALL(fadvise64);
+
+/* __ARCH_WANT_SYSCALL_DEPRECATED */
+COND_SYSCALL(epoll_wait);
+COND_SYSCALL(recv);
+COND_SYSCALL_COMPAT(recv);
+COND_SYSCALL(send);
+COND_SYSCALL(uselib);
+
+/* optional: time32 */
+COND_SYSCALL(time32);
+COND_SYSCALL(stime32);
+COND_SYSCALL(utime32);
+COND_SYSCALL(adjtimex_time32);
+COND_SYSCALL(sched_rr_get_interval_time32);
+COND_SYSCALL(nanosleep_time32);
+COND_SYSCALL(rt_sigtimedwait_time32);
+COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
+COND_SYSCALL(timer_settime32);
+COND_SYSCALL(timer_gettime32);
+COND_SYSCALL(clock_settime32);
+COND_SYSCALL(clock_gettime32);
+COND_SYSCALL(clock_getres_time32);
+COND_SYSCALL(clock_nanosleep_time32);
+COND_SYSCALL(utimes_time32);
+COND_SYSCALL(futimesat_time32);
+COND_SYSCALL(pselect6_time32);
+COND_SYSCALL_COMPAT(pselect6_time32);
+COND_SYSCALL(ppoll_time32);
+COND_SYSCALL_COMPAT(ppoll_time32);
+COND_SYSCALL(utimensat_time32);
+COND_SYSCALL(clock_adjtime32);
+
+/*
+ * The syscalls below are not found in include/uapi/asm-generic/unistd.h
+ */
+
+/* obsolete: SGETMASK_SYSCALL */
+COND_SYSCALL(sgetmask);
+COND_SYSCALL(ssetmask);
+
+/* obsolete: SYSFS_SYSCALL */
+COND_SYSCALL(sysfs);
+
+/* obsolete: __ARCH_WANT_SYS_IPC */
+COND_SYSCALL(ipc);
+COND_SYSCALL_COMPAT(ipc);
+
+/* obsolete: UID16 */
+COND_SYSCALL(chown16);
+COND_SYSCALL(fchown16);
+COND_SYSCALL(getegid16);
+COND_SYSCALL(geteuid16);
+COND_SYSCALL(getgid16);
+COND_SYSCALL(getgroups16);
+COND_SYSCALL(getresgid16);
+COND_SYSCALL(getresuid16);
+COND_SYSCALL(getuid16);
+COND_SYSCALL(lchown16);
+COND_SYSCALL(setfsgid16);
+COND_SYSCALL(setfsuid16);
+COND_SYSCALL(setgid16);
+COND_SYSCALL(setgroups16);
+COND_SYSCALL(setregid16);
+COND_SYSCALL(setresgid16);
+COND_SYSCALL(setresuid16);
+COND_SYSCALL(setreuid16);
+COND_SYSCALL(setuid16);
+
+/* restartable sequence */
+COND_SYSCALL(rseq);