github.com/ttpreport/gvisor-ligolo@v0.0.0-20240123134145-a858404967ba/pkg/sentry/syscalls/linux/linux64.go (about)

     1  // Copyright 2019 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package linux provides syscall tables for amd64 and arm64 Linux.
    16  package linux
    17  
    18  import (
    19  	"github.com/ttpreport/gvisor-ligolo/pkg/abi"
    20  	"github.com/ttpreport/gvisor-ligolo/pkg/abi/linux"
    21  	"github.com/ttpreport/gvisor-ligolo/pkg/errors/linuxerr"
    22  	"github.com/ttpreport/gvisor-ligolo/pkg/hostarch"
    23  	"github.com/ttpreport/gvisor-ligolo/pkg/sentry/arch"
    24  	"github.com/ttpreport/gvisor-ligolo/pkg/sentry/kernel"
    25  	"github.com/ttpreport/gvisor-ligolo/pkg/sentry/syscalls"
    26  )
    27  
    28  const (
    29  	// LinuxSysname is the OS name advertised by gVisor.
    30  	LinuxSysname = "Linux"
    31  
    32  	// LinuxRelease is the Linux release version number advertised by gVisor.
    33  	LinuxRelease = "4.4.0"
    34  
    35  	// LinuxVersion is the version info advertised by gVisor.
    36  	LinuxVersion = "#1 SMP Sun Jan 10 15:06:54 PST 2016"
    37  )
    38  
    39  // AMD64 is a table of Linux amd64 syscall API with the corresponding syscall
    40  // numbers from Linux 4.4.
    41  var AMD64 = &kernel.SyscallTable{
    42  	OS:   abi.Linux,
    43  	Arch: arch.AMD64,
    44  	Version: kernel.Version{
    45  		// Version 4.4 is chosen as a stable, longterm version of Linux, which
    46  		// guides the interface provided by this syscall table. The build
    47  		// version is that for a clean build with default kernel config, at 5
    48  		// minutes after v4.4 was tagged.
    49  		Sysname: LinuxSysname,
    50  		Release: LinuxRelease,
    51  		Version: LinuxVersion,
    52  	},
    53  	AuditNumber: linux.AUDIT_ARCH_X86_64,
    54  	Table: map[uintptr]kernel.Syscall{
    55  		0:   syscalls.SupportedPoint("read", Read, PointRead),
    56  		1:   syscalls.SupportedPoint("write", Write, PointWrite),
    57  		2:   syscalls.SupportedPoint("open", Open, PointOpen),
    58  		3:   syscalls.SupportedPoint("close", Close, PointClose),
    59  		4:   syscalls.Supported("stat", Stat),
    60  		5:   syscalls.Supported("fstat", Fstat),
    61  		6:   syscalls.Supported("lstat", Lstat),
    62  		7:   syscalls.Supported("poll", Poll),
    63  		8:   syscalls.Supported("lseek", Lseek),
    64  		9:   syscalls.Supported("mmap", Mmap),
    65  		10:  syscalls.Supported("mprotect", Mprotect),
    66  		11:  syscalls.Supported("munmap", Munmap),
    67  		12:  syscalls.Supported("brk", Brk),
    68  		13:  syscalls.Supported("rt_sigaction", RtSigaction),
    69  		14:  syscalls.Supported("rt_sigprocmask", RtSigprocmask),
    70  		15:  syscalls.Supported("rt_sigreturn", RtSigreturn),
    71  		16:  syscalls.Supported("ioctl", Ioctl),
    72  		17:  syscalls.SupportedPoint("pread64", Pread64, PointPread64),
    73  		18:  syscalls.SupportedPoint("pwrite64", Pwrite64, PointPwrite64),
    74  		19:  syscalls.SupportedPoint("readv", Readv, PointReadv),
    75  		20:  syscalls.SupportedPoint("writev", Writev, PointWritev),
    76  		21:  syscalls.Supported("access", Access),
    77  		22:  syscalls.SupportedPoint("pipe", Pipe, PointPipe),
    78  		23:  syscalls.Supported("select", Select),
    79  		24:  syscalls.Supported("sched_yield", SchedYield),
    80  		25:  syscalls.Supported("mremap", Mremap),
    81  		26:  syscalls.PartiallySupported("msync", Msync, "Full data flush is not guaranteed at this time.", nil),
    82  		27:  syscalls.PartiallySupported("mincore", Mincore, "Stub implementation. The sandbox does not have access to this information. Reports all mapped pages are resident.", nil),
    83  		28:  syscalls.PartiallySupported("madvise", Madvise, "Options MADV_DONTNEED, MADV_DONTFORK are supported. Other advice is ignored.", nil),
    84  		29:  syscalls.PartiallySupported("shmget", Shmget, "Option SHM_HUGETLB is not supported.", nil),
    85  		30:  syscalls.PartiallySupported("shmat", Shmat, "Option SHM_RND is not supported.", nil),
    86  		31:  syscalls.PartiallySupported("shmctl", Shmctl, "Options SHM_LOCK, SHM_UNLOCK are not supported.", nil),
    87  		32:  syscalls.SupportedPoint("dup", Dup, PointDup),
    88  		33:  syscalls.SupportedPoint("dup2", Dup2, PointDup2),
    89  		34:  syscalls.Supported("pause", Pause),
    90  		35:  syscalls.Supported("nanosleep", Nanosleep),
    91  		36:  syscalls.Supported("getitimer", Getitimer),
    92  		37:  syscalls.Supported("alarm", Alarm),
    93  		38:  syscalls.Supported("setitimer", Setitimer),
    94  		39:  syscalls.Supported("getpid", Getpid),
    95  		40:  syscalls.Supported("sendfile", Sendfile),
    96  		41:  syscalls.SupportedPoint("socket", Socket, PointSocket),
    97  		42:  syscalls.SupportedPoint("connect", Connect, PointConnect),
    98  		43:  syscalls.SupportedPoint("accept", Accept, PointAccept),
    99  		44:  syscalls.Supported("sendto", SendTo),
   100  		45:  syscalls.Supported("recvfrom", RecvFrom),
   101  		46:  syscalls.Supported("sendmsg", SendMsg),
   102  		47:  syscalls.Supported("recvmsg", RecvMsg),
   103  		48:  syscalls.Supported("shutdown", Shutdown),
   104  		49:  syscalls.SupportedPoint("bind", Bind, PointBind),
   105  		50:  syscalls.Supported("listen", Listen),
   106  		51:  syscalls.Supported("getsockname", GetSockName),
   107  		52:  syscalls.Supported("getpeername", GetPeerName),
   108  		53:  syscalls.SupportedPoint("socketpair", SocketPair, PointSocketpair),
   109  		54:  syscalls.Supported("setsockopt", SetSockOpt),
   110  		55:  syscalls.Supported("getsockopt", GetSockOpt),
   111  		56:  syscalls.PartiallySupportedPoint("clone", Clone, PointClone, "Mount namespace (CLONE_NEWNS) not supported. Options CLONE_PARENT, CLONE_SYSVSEM not supported.", nil),
   112  		57:  syscalls.SupportedPoint("fork", Fork, PointFork),
   113  		58:  syscalls.SupportedPoint("vfork", Vfork, PointVfork),
   114  		59:  syscalls.SupportedPoint("execve", Execve, PointExecve),
   115  		60:  syscalls.Supported("exit", Exit),
   116  		61:  syscalls.Supported("wait4", Wait4),
   117  		62:  syscalls.Supported("kill", Kill),
   118  		63:  syscalls.Supported("uname", Uname),
   119  		64:  syscalls.Supported("semget", Semget),
   120  		65:  syscalls.PartiallySupported("semop", Semop, "Option SEM_UNDO not supported.", nil),
   121  		66:  syscalls.Supported("semctl", Semctl),
   122  		67:  syscalls.Supported("shmdt", Shmdt),
   123  		68:  syscalls.Supported("msgget", Msgget),
   124  		69:  syscalls.Supported("msgsnd", Msgsnd),
   125  		70:  syscalls.Supported("msgrcv", Msgrcv),
   126  		71:  syscalls.Supported("msgctl", Msgctl),
   127  		72:  syscalls.SupportedPoint("fcntl", Fcntl, PointFcntl),
   128  		73:  syscalls.Supported("flock", Flock),
   129  		74:  syscalls.Supported("fsync", Fsync),
   130  		75:  syscalls.Supported("fdatasync", Fdatasync),
   131  		76:  syscalls.Supported("truncate", Truncate),
   132  		77:  syscalls.Supported("ftruncate", Ftruncate),
   133  		78:  syscalls.Supported("getdents", Getdents),
   134  		79:  syscalls.Supported("getcwd", Getcwd),
   135  		80:  syscalls.SupportedPoint("chdir", Chdir, PointChdir),
   136  		81:  syscalls.SupportedPoint("fchdir", Fchdir, PointFchdir),
   137  		82:  syscalls.Supported("rename", Rename),
   138  		83:  syscalls.Supported("mkdir", Mkdir),
   139  		84:  syscalls.Supported("rmdir", Rmdir),
   140  		85:  syscalls.SupportedPoint("creat", Creat, PointCreat),
   141  		86:  syscalls.Supported("link", Link),
   142  		87:  syscalls.Supported("unlink", Unlink),
   143  		88:  syscalls.Supported("symlink", Symlink),
   144  		89:  syscalls.Supported("readlink", Readlink),
   145  		90:  syscalls.Supported("chmod", Chmod),
   146  		91:  syscalls.Supported("fchmod", Fchmod),
   147  		92:  syscalls.Supported("chown", Chown),
   148  		93:  syscalls.Supported("fchown", Fchown),
   149  		94:  syscalls.Supported("lchown", Lchown),
   150  		95:  syscalls.Supported("umask", Umask),
   151  		96:  syscalls.Supported("gettimeofday", Gettimeofday),
   152  		97:  syscalls.Supported("getrlimit", Getrlimit),
   153  		98:  syscalls.PartiallySupported("getrusage", Getrusage, "Fields ru_maxrss, ru_minflt, ru_majflt, ru_inblock, ru_oublock are not supported. Fields ru_utime and ru_stime have low precision.", nil),
   154  		99:  syscalls.PartiallySupported("sysinfo", Sysinfo, "Fields loads, sharedram, bufferram, totalswap, freeswap, totalhigh, freehigh not supported.", nil),
   155  		100: syscalls.Supported("times", Times),
   156  		101: syscalls.PartiallySupported("ptrace", Ptrace, "Options PTRACE_PEEKSIGINFO, PTRACE_SECCOMP_GET_FILTER not supported.", nil),
   157  		102: syscalls.Supported("getuid", Getuid),
   158  		103: syscalls.PartiallySupported("syslog", Syslog, "Outputs a dummy message for security reasons.", nil),
   159  		104: syscalls.Supported("getgid", Getgid),
   160  		105: syscalls.SupportedPoint("setuid", Setuid, PointSetuid),
   161  		106: syscalls.SupportedPoint("setgid", Setgid, PointSetgid),
   162  		107: syscalls.Supported("geteuid", Geteuid),
   163  		108: syscalls.Supported("getegid", Getegid),
   164  		109: syscalls.Supported("setpgid", Setpgid),
   165  		110: syscalls.Supported("getppid", Getppid),
   166  		111: syscalls.Supported("getpgrp", Getpgrp),
   167  		112: syscalls.SupportedPoint("setsid", Setsid, PointSetsid),
   168  		113: syscalls.Supported("setreuid", Setreuid),
   169  		114: syscalls.Supported("setregid", Setregid),
   170  		115: syscalls.Supported("getgroups", Getgroups),
   171  		116: syscalls.Supported("setgroups", Setgroups),
   172  		117: syscalls.SupportedPoint("setresuid", Setresuid, PointSetresuid),
   173  		118: syscalls.Supported("getresuid", Getresuid),
   174  		119: syscalls.SupportedPoint("setresgid", Setresgid, PointSetresgid),
   175  		120: syscalls.Supported("getresgid", Getresgid),
   176  		121: syscalls.Supported("getpgid", Getpgid),
   177  		122: syscalls.ErrorWithEvent("setfsuid", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702)
   178  		123: syscalls.ErrorWithEvent("setfsgid", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702)
   179  		124: syscalls.Supported("getsid", Getsid),
   180  		125: syscalls.Supported("capget", Capget),
   181  		126: syscalls.Supported("capset", Capset),
   182  		127: syscalls.Supported("rt_sigpending", RtSigpending),
   183  		128: syscalls.Supported("rt_sigtimedwait", RtSigtimedwait),
   184  		129: syscalls.Supported("rt_sigqueueinfo", RtSigqueueinfo),
   185  		130: syscalls.Supported("rt_sigsuspend", RtSigsuspend),
   186  		131: syscalls.Supported("sigaltstack", Sigaltstack),
   187  		132: syscalls.Supported("utime", Utime),
   188  		133: syscalls.Supported("mknod", Mknod),
   189  		134: syscalls.Error("uselib", linuxerr.ENOSYS, "Obsolete", nil),
   190  		135: syscalls.ErrorWithEvent("personality", linuxerr.EINVAL, "Unable to change personality.", nil),
   191  		136: syscalls.ErrorWithEvent("ustat", linuxerr.ENOSYS, "Needs filesystem support.", nil),
   192  		137: syscalls.Supported("statfs", Statfs),
   193  		138: syscalls.Supported("fstatfs", Fstatfs),
   194  		139: syscalls.ErrorWithEvent("sysfs", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/165"}),
   195  		140: syscalls.PartiallySupported("getpriority", Getpriority, "Stub implementation.", nil),
   196  		141: syscalls.PartiallySupported("setpriority", Setpriority, "Stub implementation.", nil),
   197  		142: syscalls.CapError("sched_setparam", linux.CAP_SYS_NICE, "", nil),
   198  		143: syscalls.PartiallySupported("sched_getparam", SchedGetparam, "Stub implementation.", nil),
   199  		144: syscalls.PartiallySupported("sched_setscheduler", SchedSetscheduler, "Stub implementation.", nil),
   200  		145: syscalls.PartiallySupported("sched_getscheduler", SchedGetscheduler, "Stub implementation.", nil),
   201  		146: syscalls.PartiallySupported("sched_get_priority_max", SchedGetPriorityMax, "Stub implementation.", nil),
   202  		147: syscalls.PartiallySupported("sched_get_priority_min", SchedGetPriorityMin, "Stub implementation.", nil),
   203  		148: syscalls.ErrorWithEvent("sched_rr_get_interval", linuxerr.EPERM, "", nil),
   204  		149: syscalls.PartiallySupported("mlock", Mlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   205  		150: syscalls.PartiallySupported("munlock", Munlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   206  		151: syscalls.PartiallySupported("mlockall", Mlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   207  		152: syscalls.PartiallySupported("munlockall", Munlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   208  		153: syscalls.CapError("vhangup", linux.CAP_SYS_TTY_CONFIG, "", nil),
   209  		154: syscalls.Error("modify_ldt", linuxerr.EPERM, "", nil),
   210  		155: syscalls.Supported("pivot_root", PivotRoot),
   211  		156: syscalls.Error("sysctl", linuxerr.EPERM, "Deprecated. Use /proc/sys instead.", nil),
   212  		157: syscalls.PartiallySupported("prctl", Prctl, "Not all options are supported.", nil),
   213  		158: syscalls.PartiallySupported("arch_prctl", ArchPrctl, "Options ARCH_GET_GS, ARCH_SET_GS not supported.", nil),
   214  		159: syscalls.CapError("adjtimex", linux.CAP_SYS_TIME, "", nil),
   215  		160: syscalls.PartiallySupported("setrlimit", Setrlimit, "Not all rlimits are enforced.", nil),
   216  		161: syscalls.SupportedPoint("chroot", Chroot, PointChroot),
   217  		162: syscalls.Supported("sync", Sync),
   218  		163: syscalls.CapError("acct", linux.CAP_SYS_PACCT, "", nil),
   219  		164: syscalls.CapError("settimeofday", linux.CAP_SYS_TIME, "", nil),
   220  		165: syscalls.Supported("mount", Mount),
   221  		166: syscalls.Supported("umount2", Umount2),
   222  		167: syscalls.CapError("swapon", linux.CAP_SYS_ADMIN, "", nil),
   223  		168: syscalls.CapError("swapoff", linux.CAP_SYS_ADMIN, "", nil),
   224  		169: syscalls.CapError("reboot", linux.CAP_SYS_BOOT, "", nil),
   225  		170: syscalls.Supported("sethostname", Sethostname),
   226  		171: syscalls.Supported("setdomainname", Setdomainname),
   227  		172: syscalls.CapError("iopl", linux.CAP_SYS_RAWIO, "", nil),
   228  		173: syscalls.CapError("ioperm", linux.CAP_SYS_RAWIO, "", nil),
   229  		174: syscalls.CapError("create_module", linux.CAP_SYS_MODULE, "", nil),
   230  		175: syscalls.CapError("init_module", linux.CAP_SYS_MODULE, "", nil),
   231  		176: syscalls.CapError("delete_module", linux.CAP_SYS_MODULE, "", nil),
   232  		177: syscalls.Error("get_kernel_syms", linuxerr.ENOSYS, "Not supported in Linux > 2.6.", nil),
   233  		178: syscalls.Error("query_module", linuxerr.ENOSYS, "Not supported in Linux > 2.6.", nil),
   234  		179: syscalls.CapError("quotactl", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_admin for most operations
   235  		180: syscalls.Error("nfsservctl", linuxerr.ENOSYS, "Removed after Linux 3.1.", nil),
   236  		181: syscalls.Error("getpmsg", linuxerr.ENOSYS, "Not implemented in Linux.", nil),
   237  		182: syscalls.Error("putpmsg", linuxerr.ENOSYS, "Not implemented in Linux.", nil),
   238  		183: syscalls.PartiallySupported("afs_syscall", AFSSyscall, "Test implementation.", nil),
   239  		184: syscalls.Error("tuxcall", linuxerr.ENOSYS, "Not implemented in Linux.", nil),
   240  		185: syscalls.Error("security", linuxerr.ENOSYS, "Not implemented in Linux.", nil),
   241  		186: syscalls.Supported("gettid", Gettid),
   242  		187: syscalls.Supported("readahead", Readahead),
   243  		188: syscalls.Supported("setxattr", SetXattr),
   244  		189: syscalls.Supported("lsetxattr", Lsetxattr),
   245  		190: syscalls.Supported("fsetxattr", Fsetxattr),
   246  		191: syscalls.Supported("getxattr", GetXattr),
   247  		192: syscalls.Supported("lgetxattr", Lgetxattr),
   248  		193: syscalls.Supported("fgetxattr", Fgetxattr),
   249  		194: syscalls.Supported("listxattr", ListXattr),
   250  		195: syscalls.Supported("llistxattr", Llistxattr),
   251  		196: syscalls.Supported("flistxattr", Flistxattr),
   252  		197: syscalls.Supported("removexattr", RemoveXattr),
   253  		198: syscalls.Supported("lremovexattr", Lremovexattr),
   254  		199: syscalls.Supported("fremovexattr", Fremovexattr),
   255  		200: syscalls.Supported("tkill", Tkill),
   256  		201: syscalls.Supported("time", Time),
   257  		202: syscalls.PartiallySupported("futex", Futex, "Robust futexes not supported.", nil),
   258  		203: syscalls.PartiallySupported("sched_setaffinity", SchedSetaffinity, "Stub implementation.", nil),
   259  		204: syscalls.PartiallySupported("sched_getaffinity", SchedGetaffinity, "Stub implementation.", nil),
   260  		205: syscalls.Error("set_thread_area", linuxerr.ENOSYS, "Expected to return ENOSYS on 64-bit", nil),
   261  		206: syscalls.PartiallySupported("io_setup", IoSetup, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   262  		207: syscalls.PartiallySupported("io_destroy", IoDestroy, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   263  		208: syscalls.PartiallySupported("io_getevents", IoGetevents, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   264  		209: syscalls.PartiallySupported("io_submit", IoSubmit, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   265  		210: syscalls.PartiallySupported("io_cancel", IoCancel, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   266  		211: syscalls.Error("get_thread_area", linuxerr.ENOSYS, "Expected to return ENOSYS on 64-bit", nil),
   267  		212: syscalls.CapError("lookup_dcookie", linux.CAP_SYS_ADMIN, "", nil),
   268  		213: syscalls.Supported("epoll_create", EpollCreate),
   269  		214: syscalls.ErrorWithEvent("epoll_ctl_old", linuxerr.ENOSYS, "Deprecated.", nil),
   270  		215: syscalls.ErrorWithEvent("epoll_wait_old", linuxerr.ENOSYS, "Deprecated.", nil),
   271  		216: syscalls.ErrorWithEvent("remap_file_pages", linuxerr.ENOSYS, "Deprecated since Linux 3.16.", nil),
   272  		217: syscalls.Supported("getdents64", Getdents64),
   273  		218: syscalls.Supported("set_tid_address", SetTidAddress),
   274  		219: syscalls.Supported("restart_syscall", RestartSyscall),
   275  		220: syscalls.Supported("semtimedop", Semtimedop),
   276  		221: syscalls.PartiallySupported("fadvise64", Fadvise64, "The syscall is 'supported', but ignores all provided advice.", nil),
   277  		222: syscalls.Supported("timer_create", TimerCreate),
   278  		223: syscalls.Supported("timer_settime", TimerSettime),
   279  		224: syscalls.Supported("timer_gettime", TimerGettime),
   280  		225: syscalls.Supported("timer_getoverrun", TimerGetoverrun),
   281  		226: syscalls.Supported("timer_delete", TimerDelete),
   282  		227: syscalls.Supported("clock_settime", ClockSettime),
   283  		228: syscalls.Supported("clock_gettime", ClockGettime),
   284  		229: syscalls.Supported("clock_getres", ClockGetres),
   285  		230: syscalls.Supported("clock_nanosleep", ClockNanosleep),
   286  		231: syscalls.Supported("exit_group", ExitGroup),
   287  		232: syscalls.Supported("epoll_wait", EpollWait),
   288  		233: syscalls.Supported("epoll_ctl", EpollCtl),
   289  		234: syscalls.Supported("tgkill", Tgkill),
   290  		235: syscalls.Supported("utimes", Utimes),
   291  		236: syscalls.Error("vserver", linuxerr.ENOSYS, "Not implemented by Linux", nil),
   292  		237: syscalls.PartiallySupported("mbind", Mbind, "Stub implementation. Only a single NUMA node is advertised, and mempolicy is ignored accordingly, but mbind() will succeed and has effects reflected by get_mempolicy.", []string{"gvisor.dev/issue/262"}),
   293  		238: syscalls.PartiallySupported("set_mempolicy", SetMempolicy, "Stub implementation.", nil),
   294  		239: syscalls.PartiallySupported("get_mempolicy", GetMempolicy, "Stub implementation.", nil),
   295  		240: syscalls.Supported("mq_open", MqOpen),
   296  		241: syscalls.Supported("mq_unlink", MqUnlink),
   297  		242: syscalls.ErrorWithEvent("mq_timedsend", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}),    // TODO(b/29354921)
   298  		243: syscalls.ErrorWithEvent("mq_timedreceive", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
   299  		244: syscalls.ErrorWithEvent("mq_notify", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}),       // TODO(b/29354921)
   300  		245: syscalls.ErrorWithEvent("mq_getsetattr", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}),   // TODO(b/29354921)
   301  		246: syscalls.CapError("kexec_load", linux.CAP_SYS_BOOT, "", nil),
   302  		247: syscalls.Supported("waitid", Waitid),
   303  		248: syscalls.Error("add_key", linuxerr.EACCES, "Not available to user.", nil),
   304  		249: syscalls.Error("request_key", linuxerr.EACCES, "Not available to user.", nil),
   305  		250: syscalls.Error("keyctl", linuxerr.EACCES, "Not available to user.", nil),
   306  		251: syscalls.CapError("ioprio_set", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending)
   307  		252: syscalls.CapError("ioprio_get", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending)
   308  		253: syscalls.PartiallySupportedPoint("inotify_init", InotifyInit, PointInotifyInit, "inotify events are only available inside the sandbox.", nil),
   309  		254: syscalls.PartiallySupportedPoint("inotify_add_watch", InotifyAddWatch, PointInotifyAddWatch, "inotify events are only available inside the sandbox.", nil),
   310  		255: syscalls.PartiallySupportedPoint("inotify_rm_watch", InotifyRmWatch, PointInotifyRmWatch, "inotify events are only available inside the sandbox.", nil),
   311  		256: syscalls.CapError("migrate_pages", linux.CAP_SYS_NICE, "", nil),
   312  		257: syscalls.SupportedPoint("openat", Openat, PointOpenat),
   313  		258: syscalls.Supported("mkdirat", Mkdirat),
   314  		259: syscalls.Supported("mknodat", Mknodat),
   315  		260: syscalls.Supported("fchownat", Fchownat),
   316  		261: syscalls.Supported("futimesat", Futimesat),
   317  		262: syscalls.Supported("newfstatat", Newfstatat),
   318  		263: syscalls.Supported("unlinkat", Unlinkat),
   319  		264: syscalls.Supported("renameat", Renameat),
   320  		265: syscalls.Supported("linkat", Linkat),
   321  		266: syscalls.Supported("symlinkat", Symlinkat),
   322  		267: syscalls.Supported("readlinkat", Readlinkat),
   323  		268: syscalls.Supported("fchmodat", Fchmodat),
   324  		269: syscalls.Supported("faccessat", Faccessat),
   325  		270: syscalls.Supported("pselect6", Pselect6),
   326  		271: syscalls.Supported("ppoll", Ppoll),
   327  		272: syscalls.PartiallySupported("unshare", Unshare, "Mount, cgroup namespaces not supported. Network namespaces supported but must be empty.", nil),
   328  		273: syscalls.Supported("set_robust_list", SetRobustList),
   329  		274: syscalls.Supported("get_robust_list", GetRobustList),
   330  		275: syscalls.Supported("splice", Splice),
   331  		276: syscalls.Supported("tee", Tee),
   332  		277: syscalls.Supported("sync_file_range", SyncFileRange),
   333  		278: syscalls.ErrorWithEvent("vmsplice", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/138"}), // TODO(b/29354098)
   334  		279: syscalls.CapError("move_pages", linux.CAP_SYS_NICE, "", nil),                               // requires cap_sys_nice (mostly)
   335  		280: syscalls.Supported("utimensat", Utimensat),
   336  		281: syscalls.Supported("epoll_pwait", EpollPwait),
   337  		282: syscalls.SupportedPoint("signalfd", Signalfd, PointSignalfd),
   338  		283: syscalls.SupportedPoint("timerfd_create", TimerfdCreate, PointTimerfdCreate),
   339  		284: syscalls.SupportedPoint("eventfd", Eventfd, PointEventfd),
   340  		285: syscalls.PartiallySupported("fallocate", Fallocate, "Not all options are supported.", nil),
   341  		286: syscalls.SupportedPoint("timerfd_settime", TimerfdSettime, PointTimerfdSettime),
   342  		287: syscalls.SupportedPoint("timerfd_gettime", TimerfdGettime, PointTimerfdGettime),
   343  		288: syscalls.SupportedPoint("accept4", Accept4, PointAccept4),
   344  		289: syscalls.SupportedPoint("signalfd4", Signalfd4, PointSignalfd4),
   345  		290: syscalls.SupportedPoint("eventfd2", Eventfd2, PointEventfd2),
   346  		291: syscalls.Supported("epoll_create1", EpollCreate1),
   347  		292: syscalls.SupportedPoint("dup3", Dup3, PointDup3),
   348  		293: syscalls.SupportedPoint("pipe2", Pipe2, PointPipe2),
   349  		294: syscalls.PartiallySupportedPoint("inotify_init1", InotifyInit1, PointInotifyInit1, "inotify events are only available inside the sandbox.", nil),
   350  		295: syscalls.SupportedPoint("preadv", Preadv, PointPreadv),
   351  		296: syscalls.SupportedPoint("pwritev", Pwritev, PointPwritev),
   352  		297: syscalls.Supported("rt_tgsigqueueinfo", RtTgsigqueueinfo),
   353  		298: syscalls.ErrorWithEvent("perf_event_open", linuxerr.ENODEV, "No support for perf counters", nil),
   354  		299: syscalls.Supported("recvmmsg", RecvMMsg),
   355  		300: syscalls.ErrorWithEvent("fanotify_init", linuxerr.ENOSYS, "Needs CONFIG_FANOTIFY", nil),
   356  		301: syscalls.ErrorWithEvent("fanotify_mark", linuxerr.ENOSYS, "Needs CONFIG_FANOTIFY", nil),
   357  		302: syscalls.SupportedPoint("prlimit64", Prlimit64, PointPrlimit64),
   358  		303: syscalls.Error("name_to_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
   359  		304: syscalls.Error("open_by_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
   360  		305: syscalls.CapError("clock_adjtime", linux.CAP_SYS_TIME, "", nil),
   361  		306: syscalls.Supported("syncfs", Syncfs),
   362  		307: syscalls.Supported("sendmmsg", SendMMsg),
   363  		308: syscalls.Supported("setns", Setns),
   364  		309: syscalls.Supported("getcpu", Getcpu),
   365  		310: syscalls.ErrorWithEvent("process_vm_readv", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/158"}),  // TODO(b/260724654)
   366  		311: syscalls.ErrorWithEvent("process_vm_writev", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/158"}), // TODO(b/260724654)
   367  		312: syscalls.CapError("kcmp", linux.CAP_SYS_PTRACE, "", nil),
   368  		313: syscalls.CapError("finit_module", linux.CAP_SYS_MODULE, "", nil),
   369  		314: syscalls.ErrorWithEvent("sched_setattr", linuxerr.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272)
   370  		315: syscalls.ErrorWithEvent("sched_getattr", linuxerr.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272)
   371  		316: syscalls.Supported("renameat2", Renameat2),
   372  		317: syscalls.Supported("seccomp", Seccomp),
   373  		318: syscalls.Supported("getrandom", GetRandom),
   374  		319: syscalls.Supported("memfd_create", MemfdCreate),
   375  		320: syscalls.CapError("kexec_file_load", linux.CAP_SYS_BOOT, "", nil),
   376  		321: syscalls.CapError("bpf", linux.CAP_SYS_ADMIN, "", nil),
   377  		322: syscalls.SupportedPoint("execveat", Execveat, PointExecveat),
   378  		323: syscalls.ErrorWithEvent("userfaultfd", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/266"}), // TODO(b/118906345)
   379  		324: syscalls.PartiallySupported("membarrier", Membarrier, "Not supported on all platforms.", nil),
   380  		325: syscalls.PartiallySupported("mlock2", Mlock2, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   381  
   382  		// Syscalls implemented after 325 are "backports" from versions
   383  		// of Linux after 4.4.
   384  		326: syscalls.ErrorWithEvent("copy_file_range", linuxerr.ENOSYS, "", nil),
   385  		327: syscalls.SupportedPoint("preadv2", Preadv2, PointPreadv2),
   386  		328: syscalls.SupportedPoint("pwritev2", Pwritev2, PointPwritev2),
   387  		329: syscalls.ErrorWithEvent("pkey_mprotect", linuxerr.ENOSYS, "", nil),
   388  		330: syscalls.ErrorWithEvent("pkey_alloc", linuxerr.ENOSYS, "", nil),
   389  		331: syscalls.ErrorWithEvent("pkey_free", linuxerr.ENOSYS, "", nil),
   390  		332: syscalls.Supported("statx", Statx),
   391  		333: syscalls.ErrorWithEvent("io_pgetevents", linuxerr.ENOSYS, "", nil),
   392  		334: syscalls.PartiallySupported("rseq", RSeq, "Not supported on all platforms.", nil),
   393  
   394  		// Linux skips ahead to syscall 424 to sync numbers between arches.
   395  		424: syscalls.ErrorWithEvent("pidfd_send_signal", linuxerr.ENOSYS, "", nil),
   396  		425: syscalls.PartiallySupported("io_uring_setup", IOUringSetup, "Not all flags and functionality supported.", nil),
   397  		426: syscalls.PartiallySupported("io_uring_enter", IOUringEnter, "Not all flags and functionality supported.", nil),
   398  		427: syscalls.ErrorWithEvent("io_uring_register", linuxerr.ENOSYS, "", nil),
   399  		428: syscalls.ErrorWithEvent("open_tree", linuxerr.ENOSYS, "", nil),
   400  		429: syscalls.ErrorWithEvent("move_mount", linuxerr.ENOSYS, "", nil),
   401  		430: syscalls.ErrorWithEvent("fsopen", linuxerr.ENOSYS, "", nil),
   402  		431: syscalls.ErrorWithEvent("fsconfig", linuxerr.ENOSYS, "", nil),
   403  		432: syscalls.ErrorWithEvent("fsmount", linuxerr.ENOSYS, "", nil),
   404  		433: syscalls.ErrorWithEvent("fspick", linuxerr.ENOSYS, "", nil),
   405  		434: syscalls.ErrorWithEvent("pidfd_open", linuxerr.ENOSYS, "", nil),
   406  		435: syscalls.ErrorWithEvent("clone3", linuxerr.ENOSYS, "", nil),
   407  		436: syscalls.Supported("close_range", CloseRange),
   408  		439: syscalls.Supported("faccessat2", Faccessat2),
   409  		441: syscalls.Supported("epoll_pwait2", EpollPwait2),
   410  	},
   411  	Emulate: map[hostarch.Addr]uintptr{
   412  		0xffffffffff600000: 96,  // vsyscall gettimeofday(2)
   413  		0xffffffffff600400: 201, // vsyscall time(2)
   414  		0xffffffffff600800: 309, // vsyscall getcpu(2)
   415  	},
   416  	Missing: func(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, error) {
   417  		t.Kernel().EmitUnimplementedEvent(t, sysno)
   418  		return 0, linuxerr.ENOSYS
   419  	},
   420  }
   421  
   422  // ARM64 is a table of Linux arm64 syscall API with the corresponding syscall
   423  // numbers from Linux 4.4.
   424  var ARM64 = &kernel.SyscallTable{
   425  	OS:   abi.Linux,
   426  	Arch: arch.ARM64,
   427  	Version: kernel.Version{
   428  		Sysname: LinuxSysname,
   429  		Release: LinuxRelease,
   430  		Version: LinuxVersion,
   431  	},
   432  	AuditNumber: linux.AUDIT_ARCH_AARCH64,
   433  	Table: map[uintptr]kernel.Syscall{
   434  		0:   syscalls.PartiallySupported("io_setup", IoSetup, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   435  		1:   syscalls.PartiallySupported("io_destroy", IoDestroy, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   436  		2:   syscalls.PartiallySupported("io_submit", IoSubmit, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   437  		3:   syscalls.PartiallySupported("io_cancel", IoCancel, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   438  		4:   syscalls.PartiallySupported("io_getevents", IoGetevents, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}),
   439  		5:   syscalls.Supported("setxattr", SetXattr),
   440  		6:   syscalls.Supported("lsetxattr", Lsetxattr),
   441  		7:   syscalls.Supported("fsetxattr", Fsetxattr),
   442  		8:   syscalls.Supported("getxattr", GetXattr),
   443  		9:   syscalls.Supported("lgetxattr", Lgetxattr),
   444  		10:  syscalls.Supported("fgetxattr", Fgetxattr),
   445  		11:  syscalls.Supported("listxattr", ListXattr),
   446  		12:  syscalls.Supported("llistxattr", Llistxattr),
   447  		13:  syscalls.Supported("flistxattr", Flistxattr),
   448  		14:  syscalls.Supported("removexattr", RemoveXattr),
   449  		15:  syscalls.Supported("lremovexattr", Lremovexattr),
   450  		16:  syscalls.Supported("fremovexattr", Fremovexattr),
   451  		17:  syscalls.Supported("getcwd", Getcwd),
   452  		18:  syscalls.CapError("lookup_dcookie", linux.CAP_SYS_ADMIN, "", nil),
   453  		19:  syscalls.SupportedPoint("eventfd2", Eventfd2, PointEventfd2),
   454  		20:  syscalls.Supported("epoll_create1", EpollCreate1),
   455  		21:  syscalls.Supported("epoll_ctl", EpollCtl),
   456  		22:  syscalls.Supported("epoll_pwait", EpollPwait),
   457  		23:  syscalls.SupportedPoint("dup", Dup, PointDup),
   458  		24:  syscalls.SupportedPoint("dup3", Dup3, PointDup3),
   459  		25:  syscalls.SupportedPoint("fcntl", Fcntl, PointFcntl),
   460  		26:  syscalls.PartiallySupportedPoint("inotify_init1", InotifyInit1, PointInotifyInit1, "inotify events are only available inside the sandbox.", nil),
   461  		27:  syscalls.PartiallySupportedPoint("inotify_add_watch", InotifyAddWatch, PointInotifyAddWatch, "inotify events are only available inside the sandbox.", nil),
   462  		28:  syscalls.PartiallySupportedPoint("inotify_rm_watch", InotifyRmWatch, PointInotifyRmWatch, "inotify events are only available inside the sandbox.", nil),
   463  		29:  syscalls.Supported("ioctl", Ioctl),
   464  		30:  syscalls.CapError("ioprio_set", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending)
   465  		31:  syscalls.CapError("ioprio_get", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending)
   466  		32:  syscalls.Supported("flock", Flock),
   467  		33:  syscalls.Supported("mknodat", Mknodat),
   468  		34:  syscalls.Supported("mkdirat", Mkdirat),
   469  		35:  syscalls.Supported("unlinkat", Unlinkat),
   470  		36:  syscalls.Supported("symlinkat", Symlinkat),
   471  		37:  syscalls.Supported("linkat", Linkat),
   472  		38:  syscalls.Supported("renameat", Renameat),
   473  		39:  syscalls.Supported("umount2", Umount2),
   474  		40:  syscalls.Supported("mount", Mount),
   475  		41:  syscalls.Supported("pivot_root", PivotRoot),
   476  		42:  syscalls.Error("nfsservctl", linuxerr.ENOSYS, "Removed after Linux 3.1.", nil),
   477  		43:  syscalls.Supported("statfs", Statfs),
   478  		44:  syscalls.Supported("fstatfs", Fstatfs),
   479  		45:  syscalls.Supported("truncate", Truncate),
   480  		46:  syscalls.Supported("ftruncate", Ftruncate),
   481  		47:  syscalls.PartiallySupported("fallocate", Fallocate, "Not all options are supported.", nil),
   482  		48:  syscalls.Supported("faccessat", Faccessat),
   483  		49:  syscalls.SupportedPoint("chdir", Chdir, PointChdir),
   484  		50:  syscalls.SupportedPoint("fchdir", Fchdir, PointFchdir),
   485  		51:  syscalls.SupportedPoint("chroot", Chroot, PointChroot),
   486  		52:  syscalls.Supported("fchmod", Fchmod),
   487  		53:  syscalls.Supported("fchmodat", Fchmodat),
   488  		54:  syscalls.Supported("fchownat", Fchownat),
   489  		55:  syscalls.Supported("fchown", Fchown),
   490  		56:  syscalls.SupportedPoint("openat", Openat, PointOpenat),
   491  		57:  syscalls.SupportedPoint("close", Close, PointClose),
   492  		58:  syscalls.CapError("vhangup", linux.CAP_SYS_TTY_CONFIG, "", nil),
   493  		59:  syscalls.SupportedPoint("pipe2", Pipe2, PointPipe2),
   494  		60:  syscalls.CapError("quotactl", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_admin for most operations
   495  		61:  syscalls.Supported("getdents64", Getdents64),
   496  		62:  syscalls.Supported("lseek", Lseek),
   497  		63:  syscalls.SupportedPoint("read", Read, PointRead),
   498  		64:  syscalls.SupportedPoint("write", Write, PointWrite),
   499  		65:  syscalls.SupportedPoint("readv", Readv, PointReadv),
   500  		66:  syscalls.SupportedPoint("writev", Writev, PointWritev),
   501  		67:  syscalls.SupportedPoint("pread64", Pread64, PointPread64),
   502  		68:  syscalls.SupportedPoint("pwrite64", Pwrite64, PointPwrite64),
   503  		69:  syscalls.SupportedPoint("preadv", Preadv, PointPreadv),
   504  		70:  syscalls.SupportedPoint("pwritev", Pwritev, PointPwritev),
   505  		71:  syscalls.Supported("sendfile", Sendfile),
   506  		72:  syscalls.Supported("pselect6", Pselect6),
   507  		73:  syscalls.Supported("ppoll", Ppoll),
   508  		74:  syscalls.SupportedPoint("signalfd4", Signalfd4, PointSignalfd4),
   509  		75:  syscalls.ErrorWithEvent("vmsplice", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/138"}), // TODO(b/29354098)
   510  		76:  syscalls.Supported("splice", Splice),
   511  		77:  syscalls.Supported("tee", Tee),
   512  		78:  syscalls.Supported("readlinkat", Readlinkat),
   513  		79:  syscalls.Supported("newfstatat", Newfstatat),
   514  		80:  syscalls.Supported("fstat", Fstat),
   515  		81:  syscalls.Supported("sync", Sync),
   516  		82:  syscalls.Supported("fsync", Fsync),
   517  		83:  syscalls.Supported("fdatasync", Fdatasync),
   518  		84:  syscalls.Supported("sync_file_range", SyncFileRange),
   519  		85:  syscalls.SupportedPoint("timerfd_create", TimerfdCreate, PointTimerfdCreate),
   520  		86:  syscalls.SupportedPoint("timerfd_settime", TimerfdSettime, PointTimerfdSettime),
   521  		87:  syscalls.SupportedPoint("timerfd_gettime", TimerfdGettime, PointTimerfdGettime),
   522  		88:  syscalls.Supported("utimensat", Utimensat),
   523  		89:  syscalls.CapError("acct", linux.CAP_SYS_PACCT, "", nil),
   524  		90:  syscalls.Supported("capget", Capget),
   525  		91:  syscalls.Supported("capset", Capset),
   526  		92:  syscalls.ErrorWithEvent("personality", linuxerr.EINVAL, "Unable to change personality.", nil),
   527  		93:  syscalls.Supported("exit", Exit),
   528  		94:  syscalls.Supported("exit_group", ExitGroup),
   529  		95:  syscalls.Supported("waitid", Waitid),
   530  		96:  syscalls.Supported("set_tid_address", SetTidAddress),
   531  		97:  syscalls.PartiallySupported("unshare", Unshare, "Mount, cgroup namespaces not supported. Network namespaces supported but must be empty.", nil),
   532  		98:  syscalls.PartiallySupported("futex", Futex, "Robust futexes not supported.", nil),
   533  		99:  syscalls.Supported("set_robust_list", SetRobustList),
   534  		100: syscalls.Supported("get_robust_list", GetRobustList),
   535  		101: syscalls.Supported("nanosleep", Nanosleep),
   536  		102: syscalls.Supported("getitimer", Getitimer),
   537  		103: syscalls.Supported("setitimer", Setitimer),
   538  		104: syscalls.CapError("kexec_load", linux.CAP_SYS_BOOT, "", nil),
   539  		105: syscalls.CapError("init_module", linux.CAP_SYS_MODULE, "", nil),
   540  		106: syscalls.CapError("delete_module", linux.CAP_SYS_MODULE, "", nil),
   541  		107: syscalls.Supported("timer_create", TimerCreate),
   542  		108: syscalls.Supported("timer_gettime", TimerGettime),
   543  		109: syscalls.Supported("timer_getoverrun", TimerGetoverrun),
   544  		110: syscalls.Supported("timer_settime", TimerSettime),
   545  		111: syscalls.Supported("timer_delete", TimerDelete),
   546  		112: syscalls.Supported("clock_settime", ClockSettime),
   547  		113: syscalls.Supported("clock_gettime", ClockGettime),
   548  		114: syscalls.Supported("clock_getres", ClockGetres),
   549  		115: syscalls.Supported("clock_nanosleep", ClockNanosleep),
   550  		116: syscalls.PartiallySupported("syslog", Syslog, "Outputs a dummy message for security reasons.", nil),
   551  		117: syscalls.PartiallySupported("ptrace", Ptrace, "Options PTRACE_PEEKSIGINFO, PTRACE_SECCOMP_GET_FILTER not supported.", nil),
   552  		118: syscalls.CapError("sched_setparam", linux.CAP_SYS_NICE, "", nil),
   553  		119: syscalls.PartiallySupported("sched_setscheduler", SchedSetscheduler, "Stub implementation.", nil),
   554  		120: syscalls.PartiallySupported("sched_getscheduler", SchedGetscheduler, "Stub implementation.", nil),
   555  		121: syscalls.PartiallySupported("sched_getparam", SchedGetparam, "Stub implementation.", nil),
   556  		122: syscalls.PartiallySupported("sched_setaffinity", SchedSetaffinity, "Stub implementation.", nil),
   557  		123: syscalls.PartiallySupported("sched_getaffinity", SchedGetaffinity, "Stub implementation.", nil),
   558  		124: syscalls.Supported("sched_yield", SchedYield),
   559  		125: syscalls.PartiallySupported("sched_get_priority_max", SchedGetPriorityMax, "Stub implementation.", nil),
   560  		126: syscalls.PartiallySupported("sched_get_priority_min", SchedGetPriorityMin, "Stub implementation.", nil),
   561  		127: syscalls.ErrorWithEvent("sched_rr_get_interval", linuxerr.EPERM, "", nil),
   562  		128: syscalls.Supported("restart_syscall", RestartSyscall),
   563  		129: syscalls.Supported("kill", Kill),
   564  		130: syscalls.Supported("tkill", Tkill),
   565  		131: syscalls.Supported("tgkill", Tgkill),
   566  		132: syscalls.Supported("sigaltstack", Sigaltstack),
   567  		133: syscalls.Supported("rt_sigsuspend", RtSigsuspend),
   568  		134: syscalls.Supported("rt_sigaction", RtSigaction),
   569  		135: syscalls.Supported("rt_sigprocmask", RtSigprocmask),
   570  		136: syscalls.Supported("rt_sigpending", RtSigpending),
   571  		137: syscalls.Supported("rt_sigtimedwait", RtSigtimedwait),
   572  		138: syscalls.Supported("rt_sigqueueinfo", RtSigqueueinfo),
   573  		139: syscalls.Supported("rt_sigreturn", RtSigreturn),
   574  		140: syscalls.PartiallySupported("setpriority", Setpriority, "Stub implementation.", nil),
   575  		141: syscalls.PartiallySupported("getpriority", Getpriority, "Stub implementation.", nil),
   576  		142: syscalls.CapError("reboot", linux.CAP_SYS_BOOT, "", nil),
   577  		143: syscalls.Supported("setregid", Setregid),
   578  		144: syscalls.SupportedPoint("setgid", Setgid, PointSetgid),
   579  		145: syscalls.Supported("setreuid", Setreuid),
   580  		146: syscalls.SupportedPoint("setuid", Setuid, PointSetuid),
   581  		147: syscalls.SupportedPoint("setresuid", Setresuid, PointSetresuid),
   582  		148: syscalls.Supported("getresuid", Getresuid),
   583  		149: syscalls.SupportedPoint("setresgid", Setresgid, PointSetresgid),
   584  		150: syscalls.Supported("getresgid", Getresgid),
   585  		151: syscalls.ErrorWithEvent("setfsuid", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702)
   586  		152: syscalls.ErrorWithEvent("setfsgid", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702)
   587  		153: syscalls.Supported("times", Times),
   588  		154: syscalls.Supported("setpgid", Setpgid),
   589  		155: syscalls.Supported("getpgid", Getpgid),
   590  		156: syscalls.Supported("getsid", Getsid),
   591  		157: syscalls.SupportedPoint("setsid", Setsid, PointSetsid),
   592  		158: syscalls.Supported("getgroups", Getgroups),
   593  		159: syscalls.Supported("setgroups", Setgroups),
   594  		160: syscalls.Supported("uname", Uname),
   595  		161: syscalls.Supported("sethostname", Sethostname),
   596  		162: syscalls.Supported("setdomainname", Setdomainname),
   597  		163: syscalls.Supported("getrlimit", Getrlimit),
   598  		164: syscalls.PartiallySupported("setrlimit", Setrlimit, "Not all rlimits are enforced.", nil),
   599  		165: syscalls.PartiallySupported("getrusage", Getrusage, "Fields ru_maxrss, ru_minflt, ru_majflt, ru_inblock, ru_oublock are not supported. Fields ru_utime and ru_stime have low precision.", nil),
   600  		166: syscalls.Supported("umask", Umask),
   601  		167: syscalls.PartiallySupported("prctl", Prctl, "Not all options are supported.", nil),
   602  		168: syscalls.Supported("getcpu", Getcpu),
   603  		169: syscalls.Supported("gettimeofday", Gettimeofday),
   604  		170: syscalls.CapError("settimeofday", linux.CAP_SYS_TIME, "", nil),
   605  		171: syscalls.CapError("adjtimex", linux.CAP_SYS_TIME, "", nil),
   606  		172: syscalls.Supported("getpid", Getpid),
   607  		173: syscalls.Supported("getppid", Getppid),
   608  		174: syscalls.Supported("getuid", Getuid),
   609  		175: syscalls.Supported("geteuid", Geteuid),
   610  		176: syscalls.Supported("getgid", Getgid),
   611  		177: syscalls.Supported("getegid", Getegid),
   612  		178: syscalls.Supported("gettid", Gettid),
   613  		179: syscalls.PartiallySupported("sysinfo", Sysinfo, "Fields loads, sharedram, bufferram, totalswap, freeswap, totalhigh, freehigh not supported.", nil),
   614  		180: syscalls.Supported("mq_open", MqOpen),
   615  		181: syscalls.Supported("mq_unlink", MqUnlink),
   616  		182: syscalls.ErrorWithEvent("mq_timedsend", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}),    // TODO(b/29354921)
   617  		183: syscalls.ErrorWithEvent("mq_timedreceive", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921)
   618  		184: syscalls.ErrorWithEvent("mq_notify", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}),       // TODO(b/29354921)
   619  		185: syscalls.ErrorWithEvent("mq_getsetattr", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/136"}),   // TODO(b/29354921)
   620  		186: syscalls.Supported("msgget", Msgget),
   621  		187: syscalls.Supported("msgctl", Msgctl),
   622  		188: syscalls.Supported("msgrcv", Msgrcv),
   623  		189: syscalls.Supported("msgsnd", Msgsnd),
   624  		190: syscalls.Supported("semget", Semget),
   625  		191: syscalls.Supported("semctl", Semctl),
   626  		192: syscalls.Supported("semtimedop", Semtimedop),
   627  		193: syscalls.PartiallySupported("semop", Semop, "Option SEM_UNDO not supported.", nil),
   628  		194: syscalls.PartiallySupported("shmget", Shmget, "Option SHM_HUGETLB is not supported.", nil),
   629  		195: syscalls.PartiallySupported("shmctl", Shmctl, "Options SHM_LOCK, SHM_UNLOCK are not supported.", nil),
   630  		196: syscalls.PartiallySupported("shmat", Shmat, "Option SHM_RND is not supported.", nil),
   631  		197: syscalls.Supported("shmdt", Shmdt),
   632  		198: syscalls.SupportedPoint("socket", Socket, PointSocket),
   633  		199: syscalls.SupportedPoint("socketpair", SocketPair, PointSocketpair),
   634  		200: syscalls.SupportedPoint("bind", Bind, PointBind),
   635  		201: syscalls.Supported("listen", Listen),
   636  		202: syscalls.SupportedPoint("accept", Accept, PointAccept),
   637  		203: syscalls.SupportedPoint("connect", Connect, PointConnect),
   638  		204: syscalls.Supported("getsockname", GetSockName),
   639  		205: syscalls.Supported("getpeername", GetPeerName),
   640  		206: syscalls.Supported("sendto", SendTo),
   641  		207: syscalls.Supported("recvfrom", RecvFrom),
   642  		208: syscalls.Supported("setsockopt", SetSockOpt),
   643  		209: syscalls.Supported("getsockopt", GetSockOpt),
   644  		210: syscalls.Supported("shutdown", Shutdown),
   645  		211: syscalls.Supported("sendmsg", SendMsg),
   646  		212: syscalls.Supported("recvmsg", RecvMsg),
   647  		213: syscalls.Supported("readahead", Readahead),
   648  		214: syscalls.Supported("brk", Brk),
   649  		215: syscalls.Supported("munmap", Munmap),
   650  		216: syscalls.Supported("mremap", Mremap),
   651  		217: syscalls.Error("add_key", linuxerr.EACCES, "Not available to user.", nil),
   652  		218: syscalls.Error("request_key", linuxerr.EACCES, "Not available to user.", nil),
   653  		219: syscalls.Error("keyctl", linuxerr.EACCES, "Not available to user.", nil),
   654  		220: syscalls.PartiallySupportedPoint("clone", Clone, PointClone, "Mount namespace (CLONE_NEWNS) not supported. Options CLONE_PARENT, CLONE_SYSVSEM not supported.", nil),
   655  		221: syscalls.SupportedPoint("execve", Execve, PointExecve),
   656  		222: syscalls.Supported("mmap", Mmap),
   657  		223: syscalls.PartiallySupported("fadvise64", Fadvise64, "Not all options are supported.", nil),
   658  		224: syscalls.CapError("swapon", linux.CAP_SYS_ADMIN, "", nil),
   659  		225: syscalls.CapError("swapoff", linux.CAP_SYS_ADMIN, "", nil),
   660  		226: syscalls.Supported("mprotect", Mprotect),
   661  		227: syscalls.PartiallySupported("msync", Msync, "Full data flush is not guaranteed at this time.", nil),
   662  		228: syscalls.PartiallySupported("mlock", Mlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   663  		229: syscalls.PartiallySupported("munlock", Munlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   664  		230: syscalls.PartiallySupported("mlockall", Mlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   665  		231: syscalls.PartiallySupported("munlockall", Munlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   666  		232: syscalls.PartiallySupported("mincore", Mincore, "Stub implementation. The sandbox does not have access to this information. Reports all mapped pages are resident.", nil),
   667  		233: syscalls.PartiallySupported("madvise", Madvise, "Options MADV_DONTNEED, MADV_DONTFORK are supported. Other advice is ignored.", nil),
   668  		234: syscalls.ErrorWithEvent("remap_file_pages", linuxerr.ENOSYS, "Deprecated since Linux 3.16.", nil),
   669  		235: syscalls.PartiallySupported("mbind", Mbind, "Stub implementation. Only a single NUMA node is advertised, and mempolicy is ignored accordingly, but mbind() will succeed and has effects reflected by get_mempolicy.", []string{"gvisor.dev/issue/262"}),
   670  		236: syscalls.PartiallySupported("get_mempolicy", GetMempolicy, "Stub implementation.", nil),
   671  		237: syscalls.PartiallySupported("set_mempolicy", SetMempolicy, "Stub implementation.", nil),
   672  		238: syscalls.CapError("migrate_pages", linux.CAP_SYS_NICE, "", nil),
   673  		239: syscalls.CapError("move_pages", linux.CAP_SYS_NICE, "", nil), // requires cap_sys_nice (mostly)
   674  		240: syscalls.Supported("rt_tgsigqueueinfo", RtTgsigqueueinfo),
   675  		241: syscalls.ErrorWithEvent("perf_event_open", linuxerr.ENODEV, "No support for perf counters", nil),
   676  		242: syscalls.SupportedPoint("accept4", Accept4, PointAccept4),
   677  		243: syscalls.Supported("recvmmsg", RecvMMsg),
   678  		260: syscalls.Supported("wait4", Wait4),
   679  		261: syscalls.SupportedPoint("prlimit64", Prlimit64, PointPrlimit64),
   680  		262: syscalls.ErrorWithEvent("fanotify_init", linuxerr.ENOSYS, "Needs CONFIG_FANOTIFY", nil),
   681  		263: syscalls.ErrorWithEvent("fanotify_mark", linuxerr.ENOSYS, "Needs CONFIG_FANOTIFY", nil),
   682  		264: syscalls.Error("name_to_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
   683  		265: syscalls.Error("open_by_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
   684  		266: syscalls.CapError("clock_adjtime", linux.CAP_SYS_TIME, "", nil),
   685  		267: syscalls.Supported("syncfs", Syncfs),
   686  		268: syscalls.Supported("setns", Setns),
   687  		269: syscalls.Supported("sendmmsg", SendMMsg),
   688  		270: syscalls.ErrorWithEvent("process_vm_readv", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/158"}),  // TODO(b/260724654)
   689  		271: syscalls.ErrorWithEvent("process_vm_writev", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/158"}), // TODO(b/260724654)
   690  		272: syscalls.CapError("kcmp", linux.CAP_SYS_PTRACE, "", nil),
   691  		273: syscalls.CapError("finit_module", linux.CAP_SYS_MODULE, "", nil),
   692  		274: syscalls.ErrorWithEvent("sched_setattr", linuxerr.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272)
   693  		275: syscalls.ErrorWithEvent("sched_getattr", linuxerr.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272)
   694  		276: syscalls.Supported("renameat2", Renameat2),
   695  		277: syscalls.Supported("seccomp", Seccomp),
   696  		278: syscalls.Supported("getrandom", GetRandom),
   697  		279: syscalls.Supported("memfd_create", MemfdCreate),
   698  		280: syscalls.CapError("bpf", linux.CAP_SYS_ADMIN, "", nil),
   699  		281: syscalls.SupportedPoint("execveat", Execveat, PointExecveat),
   700  		282: syscalls.ErrorWithEvent("userfaultfd", linuxerr.ENOSYS, "", []string{"gvisor.dev/issue/266"}), // TODO(b/118906345)
   701  		283: syscalls.PartiallySupported("membarrier", Membarrier, "Not supported on all platforms.", nil),
   702  		284: syscalls.PartiallySupported("mlock2", Mlock2, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
   703  
   704  		// Syscalls after 284 are "backports" from versions of Linux after 4.4.
   705  		285: syscalls.ErrorWithEvent("copy_file_range", linuxerr.ENOSYS, "", nil),
   706  		286: syscalls.SupportedPoint("preadv2", Preadv2, PointPreadv2),
   707  		287: syscalls.SupportedPoint("pwritev2", Pwritev2, PointPwritev2),
   708  		288: syscalls.ErrorWithEvent("pkey_mprotect", linuxerr.ENOSYS, "", nil),
   709  		289: syscalls.ErrorWithEvent("pkey_alloc", linuxerr.ENOSYS, "", nil),
   710  		290: syscalls.ErrorWithEvent("pkey_free", linuxerr.ENOSYS, "", nil),
   711  		291: syscalls.Supported("statx", Statx),
   712  		292: syscalls.ErrorWithEvent("io_pgetevents", linuxerr.ENOSYS, "", nil),
   713  		293: syscalls.PartiallySupported("rseq", RSeq, "Not supported on all platforms.", nil),
   714  
   715  		// Linux skips ahead to syscall 424 to sync numbers between arches.
   716  		424: syscalls.ErrorWithEvent("pidfd_send_signal", linuxerr.ENOSYS, "", nil),
   717  		425: syscalls.PartiallySupported("io_uring_setup", IOUringSetup, "Not all flags and functionality supported.", nil),
   718  		426: syscalls.PartiallySupported("io_uring_enter", IOUringEnter, "Not all flags and functionality supported.", nil),
   719  		427: syscalls.ErrorWithEvent("io_uring_register", linuxerr.ENOSYS, "", nil),
   720  		428: syscalls.ErrorWithEvent("open_tree", linuxerr.ENOSYS, "", nil),
   721  		429: syscalls.ErrorWithEvent("move_mount", linuxerr.ENOSYS, "", nil),
   722  		430: syscalls.ErrorWithEvent("fsopen", linuxerr.ENOSYS, "", nil),
   723  		431: syscalls.ErrorWithEvent("fsconfig", linuxerr.ENOSYS, "", nil),
   724  		432: syscalls.ErrorWithEvent("fsmount", linuxerr.ENOSYS, "", nil),
   725  		433: syscalls.ErrorWithEvent("fspick", linuxerr.ENOSYS, "", nil),
   726  		434: syscalls.ErrorWithEvent("pidfd_open", linuxerr.ENOSYS, "", nil),
   727  		435: syscalls.ErrorWithEvent("clone3", linuxerr.ENOSYS, "", nil),
   728  		436: syscalls.Supported("close_range", CloseRange),
   729  		439: syscalls.Supported("faccessat2", Faccessat2),
   730  		441: syscalls.Supported("epoll_pwait2", EpollPwait2),
   731  	},
   732  	Emulate: map[hostarch.Addr]uintptr{},
   733  	Missing: func(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, error) {
   734  		t.Kernel().EmitUnimplementedEvent(t, sysno)
   735  		return 0, linuxerr.ENOSYS
   736  	},
   737  }
   738  
   739  func init() {
   740  	kernel.RegisterSyscallTable(AMD64)
   741  	kernel.RegisterSyscallTable(ARM64)
   742  }