// Copyright 2019 The gVisor Authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // Package linux provides syscall tables for amd64 Linux. package linux import ( "gvisor.dev/gvisor/pkg/abi" "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/errors/linuxerr" "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/sentry/arch" "gvisor.dev/gvisor/pkg/sentry/kernel" "gvisor.dev/gvisor/pkg/sentry/syscalls" "gvisor.dev/gvisor/pkg/syserror" ) const ( // LinuxSysname is the OS name advertised by gVisor. LinuxSysname = "Linux" // LinuxRelease is the Linux release version number advertised by gVisor. LinuxRelease = "4.4.0" // LinuxVersion is the version info advertised by gVisor. LinuxVersion = "#1 SMP Sun Jan 10 15:06:54 PST 2016" ) // AMD64 is a table of Linux amd64 syscall API with the corresponding syscall // numbers from Linux 4.4. var AMD64 = &kernel.SyscallTable{ OS: abi.Linux, Arch: arch.AMD64, Version: kernel.Version{ // Version 4.4 is chosen as a stable, longterm version of Linux, which // guides the interface provided by this syscall table. The build // version is that for a clean build with default kernel config, at 5 // minutes after v4.4 was tagged. Sysname: LinuxSysname, Release: LinuxRelease, Version: LinuxVersion, }, AuditNumber: linux.AUDIT_ARCH_X86_64, Table: map[uintptr]kernel.Syscall{ 0: syscalls.Supported("read", Read), 1: syscalls.Supported("write", Write), 2: syscalls.PartiallySupported("open", Open, "Options O_DIRECT, O_NOATIME, O_PATH, O_TMPFILE, O_SYNC are not supported.", nil), 3: syscalls.Supported("close", Close), 4: syscalls.Supported("stat", Stat), 5: syscalls.Supported("fstat", Fstat), 6: syscalls.Supported("lstat", Lstat), 7: syscalls.Supported("poll", Poll), 8: syscalls.Supported("lseek", Lseek), 9: syscalls.PartiallySupported("mmap", Mmap, "Generally supported with exceptions. Options MAP_FIXED_NOREPLACE, MAP_SHARED_VALIDATE, MAP_SYNC MAP_GROWSDOWN, MAP_HUGETLB are not supported.", nil), 10: syscalls.Supported("mprotect", Mprotect), 11: syscalls.Supported("munmap", Munmap), 12: syscalls.Supported("brk", Brk), 13: syscalls.Supported("rt_sigaction", RtSigaction), 14: syscalls.Supported("rt_sigprocmask", RtSigprocmask), 15: syscalls.Supported("rt_sigreturn", RtSigreturn), 16: syscalls.PartiallySupported("ioctl", Ioctl, "Only a few ioctls are implemented for backing devices and file systems.", nil), 17: syscalls.Supported("pread64", Pread64), 18: syscalls.Supported("pwrite64", Pwrite64), 19: syscalls.Supported("readv", Readv), 20: syscalls.Supported("writev", Writev), 21: syscalls.Supported("access", Access), 22: syscalls.Supported("pipe", Pipe), 23: syscalls.Supported("select", Select), 24: syscalls.Supported("sched_yield", SchedYield), 25: syscalls.Supported("mremap", Mremap), 26: syscalls.PartiallySupported("msync", Msync, "Full data flush is not guaranteed at this time.", nil), 27: syscalls.PartiallySupported("mincore", Mincore, "Stub implementation. The sandbox does not have access to this information. Reports all mapped pages are resident.", nil), 28: syscalls.PartiallySupported("madvise", Madvise, "Options MADV_DONTNEED, MADV_DONTFORK are supported. Other advice is ignored.", nil), 29: syscalls.PartiallySupported("shmget", Shmget, "Option SHM_HUGETLB is not supported.", nil), 30: syscalls.PartiallySupported("shmat", Shmat, "Option SHM_RND is not supported.", nil), 31: syscalls.PartiallySupported("shmctl", Shmctl, "Options SHM_LOCK, SHM_UNLOCK are not supported.", nil), 32: syscalls.Supported("dup", Dup), 33: syscalls.Supported("dup2", Dup2), 34: syscalls.Supported("pause", Pause), 35: syscalls.Supported("nanosleep", Nanosleep), 36: syscalls.Supported("getitimer", Getitimer), 37: syscalls.Supported("alarm", Alarm), 38: syscalls.Supported("setitimer", Setitimer), 39: syscalls.Supported("getpid", Getpid), 40: syscalls.Supported("sendfile", Sendfile), 41: syscalls.PartiallySupported("socket", Socket, "Limited support for AF_NETLINK, NETLINK_ROUTE sockets. Limited support for SOCK_RAW.", nil), 42: syscalls.Supported("connect", Connect), 43: syscalls.Supported("accept", Accept), 44: syscalls.Supported("sendto", SendTo), 45: syscalls.Supported("recvfrom", RecvFrom), 46: syscalls.Supported("sendmsg", SendMsg), 47: syscalls.PartiallySupported("recvmsg", RecvMsg, "Not all flags and control messages are supported.", nil), 48: syscalls.PartiallySupported("shutdown", Shutdown, "Not all flags and control messages are supported.", nil), 49: syscalls.PartiallySupported("bind", Bind, "Autobind for abstract Unix sockets is not supported.", nil), 50: syscalls.Supported("listen", Listen), 51: syscalls.Supported("getsockname", GetSockName), 52: syscalls.Supported("getpeername", GetPeerName), 53: syscalls.Supported("socketpair", SocketPair), 54: syscalls.PartiallySupported("setsockopt", SetSockOpt, "Not all socket options are supported.", nil), 55: syscalls.PartiallySupported("getsockopt", GetSockOpt, "Not all socket options are supported.", nil), 56: syscalls.PartiallySupported("clone", Clone, "Mount namespace (CLONE_NEWNS) not supported. Options CLONE_PARENT, CLONE_SYSVSEM not supported.", nil), 57: syscalls.Supported("fork", Fork), 58: syscalls.Supported("vfork", Vfork), 59: syscalls.Supported("execve", Execve), 60: syscalls.Supported("exit", Exit), 61: syscalls.Supported("wait4", Wait4), 62: syscalls.Supported("kill", Kill), 63: syscalls.Supported("uname", Uname), 64: syscalls.Supported("semget", Semget), 65: syscalls.PartiallySupported("semop", Semop, "Option SEM_UNDO not supported.", nil), 66: syscalls.Supported("semctl", Semctl), 67: syscalls.Supported("shmdt", Shmdt), 68: syscalls.Supported("msgget", Msgget), 69: syscalls.Supported("msgsnd", Msgsnd), 70: syscalls.PartiallySupported("msgrcv", Msgrcv, "Doesn't support MSG_COPY option.", []string{"gvisor.dev/issue/135"}), 71: syscalls.PartiallySupported("msgctl", Msgctl, "Only supports IPC_RMID option.", []string{"gvisor.dev/issue/135"}), 72: syscalls.PartiallySupported("fcntl", Fcntl, "Not all options are supported.", nil), 73: syscalls.PartiallySupported("flock", Flock, "Locks are held within the sandbox only.", nil), 74: syscalls.PartiallySupported("fsync", Fsync, "Full data flush is not guaranteed at this time.", nil), 75: syscalls.PartiallySupported("fdatasync", Fdatasync, "Full data flush is not guaranteed at this time.", nil), 76: syscalls.Supported("truncate", Truncate), 77: syscalls.Supported("ftruncate", Ftruncate), 78: syscalls.Supported("getdents", Getdents), 79: syscalls.Supported("getcwd", Getcwd), 80: syscalls.Supported("chdir", Chdir), 81: syscalls.Supported("fchdir", Fchdir), 82: syscalls.Supported("rename", Rename), 83: syscalls.Supported("mkdir", Mkdir), 84: syscalls.Supported("rmdir", Rmdir), 85: syscalls.Supported("creat", Creat), 86: syscalls.PartiallySupported("link", Link, "Limited support with Gofer. Link count and linked files may get out of sync because gVisor is not aware of external hardlinks.", nil), 87: syscalls.Supported("unlink", Unlink), 88: syscalls.Supported("symlink", Symlink), 89: syscalls.Supported("readlink", Readlink), 90: syscalls.Supported("chmod", Chmod), 91: syscalls.PartiallySupported("fchmod", Fchmod, "Options S_ISUID and S_ISGID not supported.", nil), 92: syscalls.Supported("chown", Chown), 93: syscalls.Supported("fchown", Fchown), 94: syscalls.Supported("lchown", Lchown), 95: syscalls.Supported("umask", Umask), 96: syscalls.Supported("gettimeofday", Gettimeofday), 97: syscalls.Supported("getrlimit", Getrlimit), 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), 99: syscalls.PartiallySupported("sysinfo", Sysinfo, "Fields loads, sharedram, bufferram, totalswap, freeswap, totalhigh, freehigh not supported.", nil), 100: syscalls.Supported("times", Times), 101: syscalls.PartiallySupported("ptrace", Ptrace, "Options PTRACE_PEEKSIGINFO, PTRACE_SECCOMP_GET_FILTER not supported.", nil), 102: syscalls.Supported("getuid", Getuid), 103: syscalls.PartiallySupported("syslog", Syslog, "Outputs a dummy message for security reasons.", nil), 104: syscalls.Supported("getgid", Getgid), 105: syscalls.Supported("setuid", Setuid), 106: syscalls.Supported("setgid", Setgid), 107: syscalls.Supported("geteuid", Geteuid), 108: syscalls.Supported("getegid", Getegid), 109: syscalls.Supported("setpgid", Setpgid), 110: syscalls.Supported("getppid", Getppid), 111: syscalls.Supported("getpgrp", Getpgrp), 112: syscalls.Supported("setsid", Setsid), 113: syscalls.Supported("setreuid", Setreuid), 114: syscalls.Supported("setregid", Setregid), 115: syscalls.Supported("getgroups", Getgroups), 116: syscalls.Supported("setgroups", Setgroups), 117: syscalls.Supported("setresuid", Setresuid), 118: syscalls.Supported("getresuid", Getresuid), 119: syscalls.Supported("setresgid", Setresgid), 120: syscalls.Supported("getresgid", Getresgid), 121: syscalls.Supported("getpgid", Getpgid), 122: syscalls.ErrorWithEvent("setfsuid", syserror.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702) 123: syscalls.ErrorWithEvent("setfsgid", syserror.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702) 124: syscalls.Supported("getsid", Getsid), 125: syscalls.Supported("capget", Capget), 126: syscalls.Supported("capset", Capset), 127: syscalls.Supported("rt_sigpending", RtSigpending), 128: syscalls.Supported("rt_sigtimedwait", RtSigtimedwait), 129: syscalls.Supported("rt_sigqueueinfo", RtSigqueueinfo), 130: syscalls.Supported("rt_sigsuspend", RtSigsuspend), 131: syscalls.Supported("sigaltstack", Sigaltstack), 132: syscalls.Supported("utime", Utime), 133: syscalls.PartiallySupported("mknod", Mknod, "Device creation is not generally supported. Only regular file and FIFO creation are supported.", nil), 134: syscalls.Error("uselib", syserror.ENOSYS, "Obsolete", nil), 135: syscalls.ErrorWithEvent("personality", linuxerr.EINVAL, "Unable to change personality.", nil), 136: syscalls.ErrorWithEvent("ustat", syserror.ENOSYS, "Needs filesystem support.", nil), 137: syscalls.PartiallySupported("statfs", Statfs, "Depends on the backing file system implementation.", nil), 138: syscalls.PartiallySupported("fstatfs", Fstatfs, "Depends on the backing file system implementation.", nil), 139: syscalls.ErrorWithEvent("sysfs", syserror.ENOSYS, "", []string{"gvisor.dev/issue/165"}), 140: syscalls.PartiallySupported("getpriority", Getpriority, "Stub implementation.", nil), 141: syscalls.PartiallySupported("setpriority", Setpriority, "Stub implementation.", nil), 142: syscalls.CapError("sched_setparam", linux.CAP_SYS_NICE, "", nil), 143: syscalls.PartiallySupported("sched_getparam", SchedGetparam, "Stub implementation.", nil), 144: syscalls.PartiallySupported("sched_setscheduler", SchedSetscheduler, "Stub implementation.", nil), 145: syscalls.PartiallySupported("sched_getscheduler", SchedGetscheduler, "Stub implementation.", nil), 146: syscalls.PartiallySupported("sched_get_priority_max", SchedGetPriorityMax, "Stub implementation.", nil), 147: syscalls.PartiallySupported("sched_get_priority_min", SchedGetPriorityMin, "Stub implementation.", nil), 148: syscalls.ErrorWithEvent("sched_rr_get_interval", linuxerr.EPERM, "", nil), 149: syscalls.PartiallySupported("mlock", Mlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 150: syscalls.PartiallySupported("munlock", Munlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 151: syscalls.PartiallySupported("mlockall", Mlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 152: syscalls.PartiallySupported("munlockall", Munlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 153: syscalls.CapError("vhangup", linux.CAP_SYS_TTY_CONFIG, "", nil), 154: syscalls.Error("modify_ldt", linuxerr.EPERM, "", nil), 155: syscalls.Error("pivot_root", linuxerr.EPERM, "", nil), 156: syscalls.Error("sysctl", linuxerr.EPERM, "Deprecated. Use /proc/sys instead.", nil), 157: syscalls.PartiallySupported("prctl", Prctl, "Not all options are supported.", nil), 158: syscalls.PartiallySupported("arch_prctl", ArchPrctl, "Options ARCH_GET_GS, ARCH_SET_GS not supported.", nil), 159: syscalls.CapError("adjtimex", linux.CAP_SYS_TIME, "", nil), 160: syscalls.PartiallySupported("setrlimit", Setrlimit, "Not all rlimits are enforced.", nil), 161: syscalls.Supported("chroot", Chroot), 162: syscalls.PartiallySupported("sync", Sync, "Full data flush is not guaranteed at this time.", nil), 163: syscalls.CapError("acct", linux.CAP_SYS_PACCT, "", nil), 164: syscalls.CapError("settimeofday", linux.CAP_SYS_TIME, "", nil), 165: syscalls.PartiallySupported("mount", Mount, "Not all options or file systems are supported.", nil), 166: syscalls.PartiallySupported("umount2", Umount2, "Not all options or file systems are supported.", nil), 167: syscalls.CapError("swapon", linux.CAP_SYS_ADMIN, "", nil), 168: syscalls.CapError("swapoff", linux.CAP_SYS_ADMIN, "", nil), 169: syscalls.CapError("reboot", linux.CAP_SYS_BOOT, "", nil), 170: syscalls.Supported("sethostname", Sethostname), 171: syscalls.Supported("setdomainname", Setdomainname), 172: syscalls.CapError("iopl", linux.CAP_SYS_RAWIO, "", nil), 173: syscalls.CapError("ioperm", linux.CAP_SYS_RAWIO, "", nil), 174: syscalls.CapError("create_module", linux.CAP_SYS_MODULE, "", nil), 175: syscalls.CapError("init_module", linux.CAP_SYS_MODULE, "", nil), 176: syscalls.CapError("delete_module", linux.CAP_SYS_MODULE, "", nil), 177: syscalls.Error("get_kernel_syms", syserror.ENOSYS, "Not supported in Linux > 2.6.", nil), 178: syscalls.Error("query_module", syserror.ENOSYS, "Not supported in Linux > 2.6.", nil), 179: syscalls.CapError("quotactl", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_admin for most operations 180: syscalls.Error("nfsservctl", syserror.ENOSYS, "Removed after Linux 3.1.", nil), 181: syscalls.Error("getpmsg", syserror.ENOSYS, "Not implemented in Linux.", nil), 182: syscalls.Error("putpmsg", syserror.ENOSYS, "Not implemented in Linux.", nil), 183: syscalls.Error("afs_syscall", syserror.ENOSYS, "Not implemented in Linux.", nil), 184: syscalls.Error("tuxcall", syserror.ENOSYS, "Not implemented in Linux.", nil), 185: syscalls.Error("security", syserror.ENOSYS, "Not implemented in Linux.", nil), 186: syscalls.Supported("gettid", Gettid), 187: syscalls.Supported("readahead", Readahead), 188: syscalls.PartiallySupported("setxattr", SetXattr, "Only supported for tmpfs.", nil), 189: syscalls.PartiallySupported("lsetxattr", LSetXattr, "Only supported for tmpfs.", nil), 190: syscalls.PartiallySupported("fsetxattr", FSetXattr, "Only supported for tmpfs.", nil), 191: syscalls.PartiallySupported("getxattr", GetXattr, "Only supported for tmpfs.", nil), 192: syscalls.PartiallySupported("lgetxattr", LGetXattr, "Only supported for tmpfs.", nil), 193: syscalls.PartiallySupported("fgetxattr", FGetXattr, "Only supported for tmpfs.", nil), 194: syscalls.PartiallySupported("listxattr", ListXattr, "Only supported for tmpfs", nil), 195: syscalls.PartiallySupported("llistxattr", LListXattr, "Only supported for tmpfs", nil), 196: syscalls.PartiallySupported("flistxattr", FListXattr, "Only supported for tmpfs", nil), 197: syscalls.PartiallySupported("removexattr", RemoveXattr, "Only supported for tmpfs", nil), 198: syscalls.PartiallySupported("lremovexattr", LRemoveXattr, "Only supported for tmpfs", nil), 199: syscalls.PartiallySupported("fremovexattr", FRemoveXattr, "Only supported for tmpfs", nil), 200: syscalls.Supported("tkill", Tkill), 201: syscalls.Supported("time", Time), 202: syscalls.PartiallySupported("futex", Futex, "Robust futexes not supported.", nil), 203: syscalls.PartiallySupported("sched_setaffinity", SchedSetaffinity, "Stub implementation.", nil), 204: syscalls.PartiallySupported("sched_getaffinity", SchedGetaffinity, "Stub implementation.", nil), 205: syscalls.Error("set_thread_area", syserror.ENOSYS, "Expected to return ENOSYS on 64-bit", nil), 206: syscalls.PartiallySupported("io_setup", IoSetup, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 207: syscalls.PartiallySupported("io_destroy", IoDestroy, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 208: syscalls.PartiallySupported("io_getevents", IoGetevents, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 209: syscalls.PartiallySupported("io_submit", IoSubmit, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 210: syscalls.PartiallySupported("io_cancel", IoCancel, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 211: syscalls.Error("get_thread_area", syserror.ENOSYS, "Expected to return ENOSYS on 64-bit", nil), 212: syscalls.CapError("lookup_dcookie", linux.CAP_SYS_ADMIN, "", nil), 213: syscalls.Supported("epoll_create", EpollCreate), 214: syscalls.ErrorWithEvent("epoll_ctl_old", syserror.ENOSYS, "Deprecated.", nil), 215: syscalls.ErrorWithEvent("epoll_wait_old", syserror.ENOSYS, "Deprecated.", nil), 216: syscalls.ErrorWithEvent("remap_file_pages", syserror.ENOSYS, "Deprecated since Linux 3.16.", nil), 217: syscalls.Supported("getdents64", Getdents64), 218: syscalls.Supported("set_tid_address", SetTidAddress), 219: syscalls.Supported("restart_syscall", RestartSyscall), 220: syscalls.Supported("semtimedop", Semtimedop), 221: syscalls.PartiallySupported("fadvise64", Fadvise64, "Not all options are supported.", nil), 222: syscalls.Supported("timer_create", TimerCreate), 223: syscalls.Supported("timer_settime", TimerSettime), 224: syscalls.Supported("timer_gettime", TimerGettime), 225: syscalls.Supported("timer_getoverrun", TimerGetoverrun), 226: syscalls.Supported("timer_delete", TimerDelete), 227: syscalls.Supported("clock_settime", ClockSettime), 228: syscalls.Supported("clock_gettime", ClockGettime), 229: syscalls.Supported("clock_getres", ClockGetres), 230: syscalls.Supported("clock_nanosleep", ClockNanosleep), 231: syscalls.Supported("exit_group", ExitGroup), 232: syscalls.Supported("epoll_wait", EpollWait), 233: syscalls.Supported("epoll_ctl", EpollCtl), 234: syscalls.Supported("tgkill", Tgkill), 235: syscalls.Supported("utimes", Utimes), 236: syscalls.Error("vserver", syserror.ENOSYS, "Not implemented by Linux", nil), 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"}), 238: syscalls.PartiallySupported("set_mempolicy", SetMempolicy, "Stub implementation.", nil), 239: syscalls.PartiallySupported("get_mempolicy", GetMempolicy, "Stub implementation.", nil), 240: syscalls.ErrorWithEvent("mq_open", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 241: syscalls.ErrorWithEvent("mq_unlink", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 242: syscalls.ErrorWithEvent("mq_timedsend", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 243: syscalls.ErrorWithEvent("mq_timedreceive", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 244: syscalls.ErrorWithEvent("mq_notify", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 245: syscalls.ErrorWithEvent("mq_getsetattr", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 246: syscalls.CapError("kexec_load", linux.CAP_SYS_BOOT, "", nil), 247: syscalls.Supported("waitid", Waitid), 248: syscalls.Error("add_key", linuxerr.EACCES, "Not available to user.", nil), 249: syscalls.Error("request_key", linuxerr.EACCES, "Not available to user.", nil), 250: syscalls.Error("keyctl", linuxerr.EACCES, "Not available to user.", nil), 251: syscalls.CapError("ioprio_set", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending) 252: syscalls.CapError("ioprio_get", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending) 253: syscalls.PartiallySupported("inotify_init", InotifyInit, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 254: syscalls.PartiallySupported("inotify_add_watch", InotifyAddWatch, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 255: syscalls.PartiallySupported("inotify_rm_watch", InotifyRmWatch, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 256: syscalls.CapError("migrate_pages", linux.CAP_SYS_NICE, "", nil), 257: syscalls.Supported("openat", Openat), 258: syscalls.Supported("mkdirat", Mkdirat), 259: syscalls.Supported("mknodat", Mknodat), 260: syscalls.Supported("fchownat", Fchownat), 261: syscalls.Supported("futimesat", Futimesat), 262: syscalls.Supported("fstatat", Fstatat), 263: syscalls.Supported("unlinkat", Unlinkat), 264: syscalls.Supported("renameat", Renameat), 265: syscalls.PartiallySupported("linkat", Linkat, "See link(2).", nil), 266: syscalls.Supported("symlinkat", Symlinkat), 267: syscalls.Supported("readlinkat", Readlinkat), 268: syscalls.Supported("fchmodat", Fchmodat), 269: syscalls.Supported("faccessat", Faccessat), 270: syscalls.Supported("pselect", Pselect), 271: syscalls.Supported("ppoll", Ppoll), 272: syscalls.PartiallySupported("unshare", Unshare, "Mount, cgroup namespaces not supported. Network namespaces supported but must be empty.", nil), 273: syscalls.Supported("set_robust_list", SetRobustList), 274: syscalls.Supported("get_robust_list", GetRobustList), 275: syscalls.Supported("splice", Splice), 276: syscalls.Supported("tee", Tee), 277: syscalls.PartiallySupported("sync_file_range", SyncFileRange, "Full data flush is not guaranteed at this time.", nil), 278: syscalls.ErrorWithEvent("vmsplice", syserror.ENOSYS, "", []string{"gvisor.dev/issue/138"}), // TODO(b/29354098) 279: syscalls.CapError("move_pages", linux.CAP_SYS_NICE, "", nil), // requires cap_sys_nice (mostly) 280: syscalls.Supported("utimensat", Utimensat), 281: syscalls.Supported("epoll_pwait", EpollPwait), 282: syscalls.PartiallySupported("signalfd", Signalfd, "Semantics are slightly different.", []string{"gvisor.dev/issue/139"}), 283: syscalls.Supported("timerfd_create", TimerfdCreate), 284: syscalls.Supported("eventfd", Eventfd), 285: syscalls.PartiallySupported("fallocate", Fallocate, "Not all options are supported.", nil), 286: syscalls.Supported("timerfd_settime", TimerfdSettime), 287: syscalls.Supported("timerfd_gettime", TimerfdGettime), 288: syscalls.Supported("accept4", Accept4), 289: syscalls.PartiallySupported("signalfd4", Signalfd4, "Semantics are slightly different.", []string{"gvisor.dev/issue/139"}), 290: syscalls.Supported("eventfd2", Eventfd2), 291: syscalls.Supported("epoll_create1", EpollCreate1), 292: syscalls.Supported("dup3", Dup3), 293: syscalls.Supported("pipe2", Pipe2), 294: syscalls.PartiallySupported("inotify_init1", InotifyInit1, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 295: syscalls.Supported("preadv", Preadv), 296: syscalls.Supported("pwritev", Pwritev), 297: syscalls.Supported("rt_tgsigqueueinfo", RtTgsigqueueinfo), 298: syscalls.ErrorWithEvent("perf_event_open", linuxerr.ENODEV, "No support for perf counters", nil), 299: syscalls.PartiallySupported("recvmmsg", RecvMMsg, "Not all flags and control messages are supported.", nil), 300: syscalls.ErrorWithEvent("fanotify_init", syserror.ENOSYS, "Needs CONFIG_FANOTIFY", nil), 301: syscalls.ErrorWithEvent("fanotify_mark", syserror.ENOSYS, "Needs CONFIG_FANOTIFY", nil), 302: syscalls.Supported("prlimit64", Prlimit64), 303: syscalls.Error("name_to_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil), 304: syscalls.Error("open_by_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil), 305: syscalls.CapError("clock_adjtime", linux.CAP_SYS_TIME, "", nil), 306: syscalls.PartiallySupported("syncfs", Syncfs, "Depends on backing file system.", nil), 307: syscalls.PartiallySupported("sendmmsg", SendMMsg, "Not all flags and control messages are supported.", nil), 308: syscalls.ErrorWithEvent("setns", linuxerr.EOPNOTSUPP, "Needs filesystem support", []string{"gvisor.dev/issue/140"}), // TODO(b/29354995) 309: syscalls.Supported("getcpu", Getcpu), 310: syscalls.ErrorWithEvent("process_vm_readv", syserror.ENOSYS, "", []string{"gvisor.dev/issue/158"}), 311: syscalls.ErrorWithEvent("process_vm_writev", syserror.ENOSYS, "", []string{"gvisor.dev/issue/158"}), 312: syscalls.CapError("kcmp", linux.CAP_SYS_PTRACE, "", nil), 313: syscalls.CapError("finit_module", linux.CAP_SYS_MODULE, "", nil), 314: syscalls.ErrorWithEvent("sched_setattr", syserror.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272) 315: syscalls.ErrorWithEvent("sched_getattr", syserror.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272) 316: syscalls.ErrorWithEvent("renameat2", syserror.ENOSYS, "", []string{"gvisor.dev/issue/263"}), // TODO(b/118902772) 317: syscalls.Supported("seccomp", Seccomp), 318: syscalls.Supported("getrandom", GetRandom), 319: syscalls.Supported("memfd_create", MemfdCreate), 320: syscalls.CapError("kexec_file_load", linux.CAP_SYS_BOOT, "", nil), 321: syscalls.CapError("bpf", linux.CAP_SYS_ADMIN, "", nil), 322: syscalls.Supported("execveat", Execveat), 323: syscalls.ErrorWithEvent("userfaultfd", syserror.ENOSYS, "", []string{"gvisor.dev/issue/266"}), // TODO(b/118906345) 324: syscalls.PartiallySupported("membarrier", Membarrier, "Not supported on all platforms.", nil), 325: syscalls.PartiallySupported("mlock2", Mlock2, "Stub implementation. The sandbox lacks appropriate permissions.", nil), // Syscalls implemented after 325 are "backports" from versions // of Linux after 4.4. 326: syscalls.ErrorWithEvent("copy_file_range", syserror.ENOSYS, "", nil), 327: syscalls.Supported("preadv2", Preadv2), 328: syscalls.PartiallySupported("pwritev2", Pwritev2, "Flag RWF_HIPRI is not supported.", nil), 329: syscalls.ErrorWithEvent("pkey_mprotect", syserror.ENOSYS, "", nil), 330: syscalls.ErrorWithEvent("pkey_alloc", syserror.ENOSYS, "", nil), 331: syscalls.ErrorWithEvent("pkey_free", syserror.ENOSYS, "", nil), 332: syscalls.Supported("statx", Statx), 333: syscalls.ErrorWithEvent("io_pgetevents", syserror.ENOSYS, "", nil), 334: syscalls.PartiallySupported("rseq", RSeq, "Not supported on all platforms.", nil), // Linux skips ahead to syscall 424 to sync numbers between arches. 424: syscalls.ErrorWithEvent("pidfd_send_signal", syserror.ENOSYS, "", nil), 425: syscalls.ErrorWithEvent("io_uring_setup", syserror.ENOSYS, "", nil), 426: syscalls.ErrorWithEvent("io_uring_enter", syserror.ENOSYS, "", nil), 427: syscalls.ErrorWithEvent("io_uring_register", syserror.ENOSYS, "", nil), 428: syscalls.ErrorWithEvent("open_tree", syserror.ENOSYS, "", nil), 429: syscalls.ErrorWithEvent("move_mount", syserror.ENOSYS, "", nil), 430: syscalls.ErrorWithEvent("fsopen", syserror.ENOSYS, "", nil), 431: syscalls.ErrorWithEvent("fsconfig", syserror.ENOSYS, "", nil), 432: syscalls.ErrorWithEvent("fsmount", syserror.ENOSYS, "", nil), 433: syscalls.ErrorWithEvent("fspick", syserror.ENOSYS, "", nil), 434: syscalls.ErrorWithEvent("pidfd_open", syserror.ENOSYS, "", nil), 435: syscalls.ErrorWithEvent("clone3", syserror.ENOSYS, "", nil), 441: syscalls.Supported("epoll_pwait2", EpollPwait2), }, Emulate: map[hostarch.Addr]uintptr{ 0xffffffffff600000: 96, // vsyscall gettimeofday(2) 0xffffffffff600400: 201, // vsyscall time(2) 0xffffffffff600800: 309, // vsyscall getcpu(2) }, Missing: func(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, error) { t.Kernel().EmitUnimplementedEvent(t) return 0, syserror.ENOSYS }, } // ARM64 is a table of Linux arm64 syscall API with the corresponding syscall // numbers from Linux 4.4. var ARM64 = &kernel.SyscallTable{ OS: abi.Linux, Arch: arch.ARM64, Version: kernel.Version{ Sysname: LinuxSysname, Release: LinuxRelease, Version: LinuxVersion, }, AuditNumber: linux.AUDIT_ARCH_AARCH64, Table: map[uintptr]kernel.Syscall{ 0: syscalls.PartiallySupported("io_setup", IoSetup, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 1: syscalls.PartiallySupported("io_destroy", IoDestroy, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 2: syscalls.PartiallySupported("io_submit", IoSubmit, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 3: syscalls.PartiallySupported("io_cancel", IoCancel, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 4: syscalls.PartiallySupported("io_getevents", IoGetevents, "Generally supported with exceptions. User ring optimizations are not implemented.", []string{"gvisor.dev/issue/204"}), 5: syscalls.PartiallySupported("setxattr", SetXattr, "Only supported for tmpfs.", nil), 6: syscalls.PartiallySupported("lsetxattr", LSetXattr, "Only supported for tmpfs.", nil), 7: syscalls.PartiallySupported("fsetxattr", FSetXattr, "Only supported for tmpfs.", nil), 8: syscalls.PartiallySupported("getxattr", GetXattr, "Only supported for tmpfs.", nil), 9: syscalls.PartiallySupported("lgetxattr", LGetXattr, "Only supported for tmpfs.", nil), 10: syscalls.PartiallySupported("fgetxattr", FGetXattr, "Only supported for tmpfs.", nil), 11: syscalls.PartiallySupported("listxattr", ListXattr, "Only supported for tmpfs", nil), 12: syscalls.PartiallySupported("llistxattr", LListXattr, "Only supported for tmpfs", nil), 13: syscalls.PartiallySupported("flistxattr", FListXattr, "Only supported for tmpfs", nil), 14: syscalls.PartiallySupported("removexattr", RemoveXattr, "Only supported for tmpfs", nil), 15: syscalls.PartiallySupported("lremovexattr", LRemoveXattr, "Only supported for tmpfs", nil), 16: syscalls.PartiallySupported("fremovexattr", FRemoveXattr, "Only supported for tmpfs", nil), 17: syscalls.Supported("getcwd", Getcwd), 18: syscalls.CapError("lookup_dcookie", linux.CAP_SYS_ADMIN, "", nil), 19: syscalls.Supported("eventfd2", Eventfd2), 20: syscalls.Supported("epoll_create1", EpollCreate1), 21: syscalls.Supported("epoll_ctl", EpollCtl), 22: syscalls.Supported("epoll_pwait", EpollPwait), 23: syscalls.Supported("dup", Dup), 24: syscalls.Supported("dup3", Dup3), 25: syscalls.PartiallySupported("fcntl", Fcntl, "Not all options are supported.", nil), 26: syscalls.PartiallySupported("inotify_init1", InotifyInit1, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 27: syscalls.PartiallySupported("inotify_add_watch", InotifyAddWatch, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 28: syscalls.PartiallySupported("inotify_rm_watch", InotifyRmWatch, "Inotify events are only available inside the sandbox. Hard links are treated as different watch targets in gofer fs.", nil), 29: syscalls.PartiallySupported("ioctl", Ioctl, "Only a few ioctls are implemented for backing devices and file systems.", nil), 30: syscalls.CapError("ioprio_set", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending) 31: syscalls.CapError("ioprio_get", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_nice or cap_sys_admin (depending) 32: syscalls.PartiallySupported("flock", Flock, "Locks are held within the sandbox only.", nil), 33: syscalls.Supported("mknodat", Mknodat), 34: syscalls.Supported("mkdirat", Mkdirat), 35: syscalls.Supported("unlinkat", Unlinkat), 36: syscalls.Supported("symlinkat", Symlinkat), 37: syscalls.Supported("linkat", Linkat), 38: syscalls.Supported("renameat", Renameat), 39: syscalls.PartiallySupported("umount2", Umount2, "Not all options or file systems are supported.", nil), 40: syscalls.PartiallySupported("mount", Mount, "Not all options or file systems are supported.", nil), 41: syscalls.Error("pivot_root", linuxerr.EPERM, "", nil), 42: syscalls.Error("nfsservctl", syserror.ENOSYS, "Removed after Linux 3.1.", nil), 43: syscalls.PartiallySupported("statfs", Statfs, "Depends on the backing file system implementation.", nil), 44: syscalls.PartiallySupported("fstatfs", Fstatfs, "Depends on the backing file system implementation.", nil), 45: syscalls.Supported("truncate", Truncate), 46: syscalls.Supported("ftruncate", Ftruncate), 47: syscalls.PartiallySupported("fallocate", Fallocate, "Not all options are supported.", nil), 48: syscalls.Supported("faccessat", Faccessat), 49: syscalls.Supported("chdir", Chdir), 50: syscalls.Supported("fchdir", Fchdir), 51: syscalls.Supported("chroot", Chroot), 52: syscalls.PartiallySupported("fchmod", Fchmod, "Options S_ISUID and S_ISGID not supported.", nil), 53: syscalls.Supported("fchmodat", Fchmodat), 54: syscalls.Supported("fchownat", Fchownat), 55: syscalls.Supported("fchown", Fchown), 56: syscalls.Supported("openat", Openat), 57: syscalls.Supported("close", Close), 58: syscalls.CapError("vhangup", linux.CAP_SYS_TTY_CONFIG, "", nil), 59: syscalls.Supported("pipe2", Pipe2), 60: syscalls.CapError("quotactl", linux.CAP_SYS_ADMIN, "", nil), // requires cap_sys_admin for most operations 61: syscalls.Supported("getdents64", Getdents64), 62: syscalls.Supported("lseek", Lseek), 63: syscalls.Supported("read", Read), 64: syscalls.Supported("write", Write), 65: syscalls.Supported("readv", Readv), 66: syscalls.Supported("writev", Writev), 67: syscalls.Supported("pread64", Pread64), 68: syscalls.Supported("pwrite64", Pwrite64), 69: syscalls.Supported("preadv", Preadv), 70: syscalls.Supported("pwritev", Pwritev), 71: syscalls.Supported("sendfile", Sendfile), 72: syscalls.Supported("pselect", Pselect), 73: syscalls.Supported("ppoll", Ppoll), 74: syscalls.PartiallySupported("signalfd4", Signalfd4, "Semantics are slightly different.", []string{"gvisor.dev/issue/139"}), 75: syscalls.ErrorWithEvent("vmsplice", syserror.ENOSYS, "", []string{"gvisor.dev/issue/138"}), // TODO(b/29354098) 76: syscalls.Supported("splice", Splice), 77: syscalls.Supported("tee", Tee), 78: syscalls.Supported("readlinkat", Readlinkat), 79: syscalls.Supported("fstatat", Fstatat), 80: syscalls.Supported("fstat", Fstat), 81: syscalls.PartiallySupported("sync", Sync, "Full data flush is not guaranteed at this time.", nil), 82: syscalls.PartiallySupported("fsync", Fsync, "Full data flush is not guaranteed at this time.", nil), 83: syscalls.PartiallySupported("fdatasync", Fdatasync, "Full data flush is not guaranteed at this time.", nil), 84: syscalls.PartiallySupported("sync_file_range", SyncFileRange, "Full data flush is not guaranteed at this time.", nil), 85: syscalls.Supported("timerfd_create", TimerfdCreate), 86: syscalls.Supported("timerfd_settime", TimerfdSettime), 87: syscalls.Supported("timerfd_gettime", TimerfdGettime), 88: syscalls.Supported("utimensat", Utimensat), 89: syscalls.CapError("acct", linux.CAP_SYS_PACCT, "", nil), 90: syscalls.Supported("capget", Capget), 91: syscalls.Supported("capset", Capset), 92: syscalls.ErrorWithEvent("personality", linuxerr.EINVAL, "Unable to change personality.", nil), 93: syscalls.Supported("exit", Exit), 94: syscalls.Supported("exit_group", ExitGroup), 95: syscalls.Supported("waitid", Waitid), 96: syscalls.Supported("set_tid_address", SetTidAddress), 97: syscalls.PartiallySupported("unshare", Unshare, "Mount, cgroup namespaces not supported. Network namespaces supported but must be empty.", nil), 98: syscalls.PartiallySupported("futex", Futex, "Robust futexes not supported.", nil), 99: syscalls.Supported("set_robust_list", SetRobustList), 100: syscalls.Supported("get_robust_list", GetRobustList), 101: syscalls.Supported("nanosleep", Nanosleep), 102: syscalls.Supported("getitimer", Getitimer), 103: syscalls.Supported("setitimer", Setitimer), 104: syscalls.CapError("kexec_load", linux.CAP_SYS_BOOT, "", nil), 105: syscalls.CapError("init_module", linux.CAP_SYS_MODULE, "", nil), 106: syscalls.CapError("delete_module", linux.CAP_SYS_MODULE, "", nil), 107: syscalls.Supported("timer_create", TimerCreate), 108: syscalls.Supported("timer_gettime", TimerGettime), 109: syscalls.Supported("timer_getoverrun", TimerGetoverrun), 110: syscalls.Supported("timer_settime", TimerSettime), 111: syscalls.Supported("timer_delete", TimerDelete), 112: syscalls.Supported("clock_settime", ClockSettime), 113: syscalls.Supported("clock_gettime", ClockGettime), 114: syscalls.Supported("clock_getres", ClockGetres), 115: syscalls.Supported("clock_nanosleep", ClockNanosleep), 116: syscalls.PartiallySupported("syslog", Syslog, "Outputs a dummy message for security reasons.", nil), 117: syscalls.PartiallySupported("ptrace", Ptrace, "Options PTRACE_PEEKSIGINFO, PTRACE_SECCOMP_GET_FILTER not supported.", nil), 118: syscalls.CapError("sched_setparam", linux.CAP_SYS_NICE, "", nil), 119: syscalls.PartiallySupported("sched_setscheduler", SchedSetscheduler, "Stub implementation.", nil), 120: syscalls.PartiallySupported("sched_getscheduler", SchedGetscheduler, "Stub implementation.", nil), 121: syscalls.PartiallySupported("sched_getparam", SchedGetparam, "Stub implementation.", nil), 122: syscalls.PartiallySupported("sched_setaffinity", SchedSetaffinity, "Stub implementation.", nil), 123: syscalls.PartiallySupported("sched_getaffinity", SchedGetaffinity, "Stub implementation.", nil), 124: syscalls.Supported("sched_yield", SchedYield), 125: syscalls.PartiallySupported("sched_get_priority_max", SchedGetPriorityMax, "Stub implementation.", nil), 126: syscalls.PartiallySupported("sched_get_priority_min", SchedGetPriorityMin, "Stub implementation.", nil), 127: syscalls.ErrorWithEvent("sched_rr_get_interval", linuxerr.EPERM, "", nil), 128: syscalls.Supported("restart_syscall", RestartSyscall), 129: syscalls.Supported("kill", Kill), 130: syscalls.Supported("tkill", Tkill), 131: syscalls.Supported("tgkill", Tgkill), 132: syscalls.Supported("sigaltstack", Sigaltstack), 133: syscalls.Supported("rt_sigsuspend", RtSigsuspend), 134: syscalls.Supported("rt_sigaction", RtSigaction), 135: syscalls.Supported("rt_sigprocmask", RtSigprocmask), 136: syscalls.Supported("rt_sigpending", RtSigpending), 137: syscalls.Supported("rt_sigtimedwait", RtSigtimedwait), 138: syscalls.Supported("rt_sigqueueinfo", RtSigqueueinfo), 139: syscalls.Supported("rt_sigreturn", RtSigreturn), 140: syscalls.PartiallySupported("setpriority", Setpriority, "Stub implementation.", nil), 141: syscalls.PartiallySupported("getpriority", Getpriority, "Stub implementation.", nil), 142: syscalls.CapError("reboot", linux.CAP_SYS_BOOT, "", nil), 143: syscalls.Supported("setregid", Setregid), 144: syscalls.Supported("setgid", Setgid), 145: syscalls.Supported("setreuid", Setreuid), 146: syscalls.Supported("setuid", Setuid), 147: syscalls.Supported("setresuid", Setresuid), 148: syscalls.Supported("getresuid", Getresuid), 149: syscalls.Supported("setresgid", Setresgid), 150: syscalls.Supported("getresgid", Getresgid), 151: syscalls.ErrorWithEvent("setfsuid", syserror.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702) 152: syscalls.ErrorWithEvent("setfsgid", syserror.ENOSYS, "", []string{"gvisor.dev/issue/260"}), // TODO(b/112851702) 153: syscalls.Supported("times", Times), 154: syscalls.Supported("setpgid", Setpgid), 155: syscalls.Supported("getpgid", Getpgid), 156: syscalls.Supported("getsid", Getsid), 157: syscalls.Supported("setsid", Setsid), 158: syscalls.Supported("getgroups", Getgroups), 159: syscalls.Supported("setgroups", Setgroups), 160: syscalls.Supported("uname", Uname), 161: syscalls.Supported("sethostname", Sethostname), 162: syscalls.Supported("setdomainname", Setdomainname), 163: syscalls.Supported("getrlimit", Getrlimit), 164: syscalls.PartiallySupported("setrlimit", Setrlimit, "Not all rlimits are enforced.", nil), 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), 166: syscalls.Supported("umask", Umask), 167: syscalls.PartiallySupported("prctl", Prctl, "Not all options are supported.", nil), 168: syscalls.Supported("getcpu", Getcpu), 169: syscalls.Supported("gettimeofday", Gettimeofday), 170: syscalls.CapError("settimeofday", linux.CAP_SYS_TIME, "", nil), 171: syscalls.CapError("adjtimex", linux.CAP_SYS_TIME, "", nil), 172: syscalls.Supported("getpid", Getpid), 173: syscalls.Supported("getppid", Getppid), 174: syscalls.Supported("getuid", Getuid), 175: syscalls.Supported("geteuid", Geteuid), 176: syscalls.Supported("getgid", Getgid), 177: syscalls.Supported("getegid", Getegid), 178: syscalls.Supported("gettid", Gettid), 179: syscalls.PartiallySupported("sysinfo", Sysinfo, "Fields loads, sharedram, bufferram, totalswap, freeswap, totalhigh, freehigh not supported.", nil), 180: syscalls.ErrorWithEvent("mq_open", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 181: syscalls.ErrorWithEvent("mq_unlink", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 182: syscalls.ErrorWithEvent("mq_timedsend", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 183: syscalls.ErrorWithEvent("mq_timedreceive", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 184: syscalls.ErrorWithEvent("mq_notify", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 185: syscalls.ErrorWithEvent("mq_getsetattr", syserror.ENOSYS, "", []string{"gvisor.dev/issue/136"}), // TODO(b/29354921) 186: syscalls.Supported("msgget", Msgget), 187: syscalls.PartiallySupported("msgctl", Msgctl, "Only supports IPC_RMID option.", []string{"gvisor.dev/issue/135"}), 188: syscalls.PartiallySupported("msgrcv", Msgrcv, "Doesn't support MSG_COPY option.", []string{"gvisor.dev/issue/135"}), 189: syscalls.Supported("msgsnd", Msgsnd), 190: syscalls.Supported("semget", Semget), 191: syscalls.Supported("semctl", Semctl), 192: syscalls.Supported("semtimedop", Semtimedop), 193: syscalls.PartiallySupported("semop", Semop, "Option SEM_UNDO not supported.", nil), 194: syscalls.PartiallySupported("shmget", Shmget, "Option SHM_HUGETLB is not supported.", nil), 195: syscalls.PartiallySupported("shmctl", Shmctl, "Options SHM_LOCK, SHM_UNLOCK are not supported.", nil), 196: syscalls.PartiallySupported("shmat", Shmat, "Option SHM_RND is not supported.", nil), 197: syscalls.Supported("shmdt", Shmdt), 198: syscalls.PartiallySupported("socket", Socket, "Limited support for AF_NETLINK, NETLINK_ROUTE sockets. Limited support for SOCK_RAW.", nil), 199: syscalls.Supported("socketpair", SocketPair), 200: syscalls.PartiallySupported("bind", Bind, "Autobind for abstract Unix sockets is not supported.", nil), 201: syscalls.Supported("listen", Listen), 202: syscalls.Supported("accept", Accept), 203: syscalls.Supported("connect", Connect), 204: syscalls.Supported("getsockname", GetSockName), 205: syscalls.Supported("getpeername", GetPeerName), 206: syscalls.Supported("sendto", SendTo), 207: syscalls.Supported("recvfrom", RecvFrom), 208: syscalls.PartiallySupported("setsockopt", SetSockOpt, "Not all socket options are supported.", nil), 209: syscalls.PartiallySupported("getsockopt", GetSockOpt, "Not all socket options are supported.", nil), 210: syscalls.PartiallySupported("shutdown", Shutdown, "Not all flags and control messages are supported.", nil), 211: syscalls.Supported("sendmsg", SendMsg), 212: syscalls.PartiallySupported("recvmsg", RecvMsg, "Not all flags and control messages are supported.", nil), 213: syscalls.Supported("readahead", Readahead), 214: syscalls.Supported("brk", Brk), 215: syscalls.Supported("munmap", Munmap), 216: syscalls.Supported("mremap", Mremap), 217: syscalls.Error("add_key", linuxerr.EACCES, "Not available to user.", nil), 218: syscalls.Error("request_key", linuxerr.EACCES, "Not available to user.", nil), 219: syscalls.Error("keyctl", linuxerr.EACCES, "Not available to user.", nil), 220: syscalls.PartiallySupported("clone", Clone, "Mount namespace (CLONE_NEWNS) not supported. Options CLONE_PARENT, CLONE_SYSVSEM not supported.", nil), 221: syscalls.Supported("execve", Execve), 222: syscalls.PartiallySupported("mmap", Mmap, "Generally supported with exceptions. Options MAP_FIXED_NOREPLACE, MAP_SHARED_VALIDATE, MAP_SYNC MAP_GROWSDOWN, MAP_HUGETLB are not supported.", nil), 223: syscalls.PartiallySupported("fadvise64", Fadvise64, "Not all options are supported.", nil), 224: syscalls.CapError("swapon", linux.CAP_SYS_ADMIN, "", nil), 225: syscalls.CapError("swapoff", linux.CAP_SYS_ADMIN, "", nil), 226: syscalls.Supported("mprotect", Mprotect), 227: syscalls.PartiallySupported("msync", Msync, "Full data flush is not guaranteed at this time.", nil), 228: syscalls.PartiallySupported("mlock", Mlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 229: syscalls.PartiallySupported("munlock", Munlock, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 230: syscalls.PartiallySupported("mlockall", Mlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 231: syscalls.PartiallySupported("munlockall", Munlockall, "Stub implementation. The sandbox lacks appropriate permissions.", nil), 232: syscalls.PartiallySupported("mincore", Mincore, "Stub implementation. The sandbox does not have access to this information. Reports all mapped pages are resident.", nil), 233: syscalls.PartiallySupported("madvise", Madvise, "Options MADV_DONTNEED, MADV_DONTFORK are supported. Other advice is ignored.", nil), 234: syscalls.ErrorWithEvent("remap_file_pages", syserror.ENOSYS, "Deprecated since Linux 3.16.", nil), 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"}), 236: syscalls.PartiallySupported("get_mempolicy", GetMempolicy, "Stub implementation.", nil), 237: syscalls.PartiallySupported("set_mempolicy", SetMempolicy, "Stub implementation.", nil), 238: syscalls.CapError("migrate_pages", linux.CAP_SYS_NICE, "", nil), 239: syscalls.CapError("move_pages", linux.CAP_SYS_NICE, "", nil), // requires cap_sys_nice (mostly) 240: syscalls.Supported("rt_tgsigqueueinfo", RtTgsigqueueinfo), 241: syscalls.ErrorWithEvent("perf_event_open", linuxerr.ENODEV, "No support for perf counters", nil), 242: syscalls.Supported("accept4", Accept4), 243: syscalls.PartiallySupported("recvmmsg", RecvMMsg, "Not all flags and control messages are supported.", nil), 260: syscalls.Supported("wait4", Wait4), 261: syscalls.Supported("prlimit64", Prlimit64), 262: syscalls.ErrorWithEvent("fanotify_init", syserror.ENOSYS, "Needs CONFIG_FANOTIFY", nil), 263: syscalls.ErrorWithEvent("fanotify_mark", syserror.ENOSYS, "Needs CONFIG_FANOTIFY", nil), 264: syscalls.Error("name_to_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil), 265: syscalls.Error("open_by_handle_at", linuxerr.EOPNOTSUPP, "Not supported by gVisor filesystems", nil), 266: syscalls.CapError("clock_adjtime", linux.CAP_SYS_TIME, "", nil), 267: syscalls.PartiallySupported("syncfs", Syncfs, "Depends on backing file system.", nil), 268: syscalls.ErrorWithEvent("setns", linuxerr.EOPNOTSUPP, "Needs filesystem support", []string{"gvisor.dev/issue/140"}), // TODO(b/29354995) 269: syscalls.PartiallySupported("sendmmsg", SendMMsg, "Not all flags and control messages are supported.", nil), 270: syscalls.ErrorWithEvent("process_vm_readv", syserror.ENOSYS, "", []string{"gvisor.dev/issue/158"}), 271: syscalls.ErrorWithEvent("process_vm_writev", syserror.ENOSYS, "", []string{"gvisor.dev/issue/158"}), 272: syscalls.CapError("kcmp", linux.CAP_SYS_PTRACE, "", nil), 273: syscalls.CapError("finit_module", linux.CAP_SYS_MODULE, "", nil), 274: syscalls.ErrorWithEvent("sched_setattr", syserror.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272) 275: syscalls.ErrorWithEvent("sched_getattr", syserror.ENOSYS, "gVisor does not implement a scheduler.", []string{"gvisor.dev/issue/264"}), // TODO(b/118902272) 276: syscalls.ErrorWithEvent("renameat2", syserror.ENOSYS, "", []string{"gvisor.dev/issue/263"}), // TODO(b/118902772) 277: syscalls.Supported("seccomp", Seccomp), 278: syscalls.Supported("getrandom", GetRandom), 279: syscalls.Supported("memfd_create", MemfdCreate), 280: syscalls.CapError("bpf", linux.CAP_SYS_ADMIN, "", nil), 281: syscalls.Supported("execveat", Execveat), 282: syscalls.ErrorWithEvent("userfaultfd", syserror.ENOSYS, "", []string{"gvisor.dev/issue/266"}), // TODO(b/118906345) 283: syscalls.PartiallySupported("membarrier", Membarrier, "Not supported on all platforms.", nil), 284: syscalls.PartiallySupported("mlock2", Mlock2, "Stub implementation. The sandbox lacks appropriate permissions.", nil), // Syscalls after 284 are "backports" from versions of Linux after 4.4. 285: syscalls.ErrorWithEvent("copy_file_range", syserror.ENOSYS, "", nil), 286: syscalls.Supported("preadv2", Preadv2), 287: syscalls.PartiallySupported("pwritev2", Pwritev2, "Flag RWF_HIPRI is not supported.", nil), 288: syscalls.ErrorWithEvent("pkey_mprotect", syserror.ENOSYS, "", nil), 289: syscalls.ErrorWithEvent("pkey_alloc", syserror.ENOSYS, "", nil), 290: syscalls.ErrorWithEvent("pkey_free", syserror.ENOSYS, "", nil), 291: syscalls.Supported("statx", Statx), 292: syscalls.ErrorWithEvent("io_pgetevents", syserror.ENOSYS, "", nil), 293: syscalls.PartiallySupported("rseq", RSeq, "Not supported on all platforms.", nil), // Linux skips ahead to syscall 424 to sync numbers between arches. 424: syscalls.ErrorWithEvent("pidfd_send_signal", syserror.ENOSYS, "", nil), 425: syscalls.ErrorWithEvent("io_uring_setup", syserror.ENOSYS, "", nil), 426: syscalls.ErrorWithEvent("io_uring_enter", syserror.ENOSYS, "", nil), 427: syscalls.ErrorWithEvent("io_uring_register", syserror.ENOSYS, "", nil), 428: syscalls.ErrorWithEvent("open_tree", syserror.ENOSYS, "", nil), 429: syscalls.ErrorWithEvent("move_mount", syserror.ENOSYS, "", nil), 430: syscalls.ErrorWithEvent("fsopen", syserror.ENOSYS, "", nil), 431: syscalls.ErrorWithEvent("fsconfig", syserror.ENOSYS, "", nil), 432: syscalls.ErrorWithEvent("fsmount", syserror.ENOSYS, "", nil), 433: syscalls.ErrorWithEvent("fspick", syserror.ENOSYS, "", nil), 434: syscalls.ErrorWithEvent("pidfd_open", syserror.ENOSYS, "", nil), 435: syscalls.ErrorWithEvent("clone3", syserror.ENOSYS, "", nil), 441: syscalls.Supported("epoll_pwait2", EpollPwait2), }, Emulate: map[hostarch.Addr]uintptr{}, Missing: func(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, error) { t.Kernel().EmitUnimplementedEvent(t) return 0, syserror.ENOSYS }, } func init() { kernel.RegisterSyscallTable(AMD64) kernel.RegisterSyscallTable(ARM64) }