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// Copyright 2018 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
import (
"gvisor.dev/gvisor/pkg/abi"
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/syscalls"
"gvisor.dev/gvisor/pkg/sentry/usermem"
"gvisor.dev/gvisor/pkg/syserror"
)
// 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.PartiallySupported("semctl", Semctl, "Options IPC_INFO, SEM_INFO, IPC_STAT, SEM_STAT, SEM_STAT_ANY, GETNCNT, GETZCNT not supported.", nil),
67: syscalls.Supported("shmdt", Shmdt),
68: syscalls.ErrorWithEvent("msgget", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
69: syscalls.ErrorWithEvent("msgsnd", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
70: syscalls.ErrorWithEvent("msgrcv", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
71: syscalls.ErrorWithEvent("msgctl", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
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.Supported("link", Link),
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", syserror.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", syserror.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", syserror.EPERM, "", nil),
155: syscalls.Error("pivot_root", syserror.EPERM, "", nil),
156: syscalls.Error("sysctl", syserror.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.Error("setxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
189: syscalls.Error("lsetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
190: syscalls.Error("fsetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
191: syscalls.ErrorWithEvent("getxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
192: syscalls.ErrorWithEvent("lgetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
193: syscalls.ErrorWithEvent("fgetxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
194: syscalls.ErrorWithEvent("listxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
195: syscalls.ErrorWithEvent("llistxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
196: syscalls.ErrorWithEvent("flistxattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
197: syscalls.ErrorWithEvent("removexattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
198: syscalls.ErrorWithEvent("lremovexattr", syserror.ENOTSUP, "Requires filesystem support.", nil),
199: syscalls.ErrorWithEvent("fremovexattr", syserror.ENOTSUP, "Requires filesystem support.", 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.ErrorWithEvent("semtimedop", syserror.ENOSYS, "", []string{"gvisor.dev/issue/137"}), // TODO(b/29354920)
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", syserror.EACCES, "Not available to user.", nil),
249: syscalls.Error("request_key", syserror.EACCES, "Not available to user.", nil),
250: syscalls.Error("keyctl", syserror.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.", nil),
254: syscalls.PartiallySupported("inotify_add_watch", InotifyAddWatch, "inotify events are only available inside the sandbox.", nil),
255: syscalls.PartiallySupported("inotify_rm_watch", InotifyRmWatch, "inotify events are only available inside the sandbox.", 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.Supported("linkat", Linkat),
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.Error("set_robust_list", syserror.ENOSYS, "Obsolete.", nil),
274: syscalls.Error("get_robust_list", syserror.ENOSYS, "Obsolete.", nil),
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.Supported("inotify_init1", InotifyInit1),
295: syscalls.Supported("preadv", Preadv),
296: syscalls.Supported("pwritev", Pwritev),
297: syscalls.Supported("rt_tgsigqueueinfo", RtTgsigqueueinfo),
298: syscalls.ErrorWithEvent("perf_event_open", syserror.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", syserror.EOPNOTSUPP, "Not supported by gVisor filesystems", nil),
304: syscalls.Error("open_by_handle_at", syserror.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", syserror.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.ErrorWithEvent("membarrier", syserror.ENOSYS, "", []string{"gvisor.dev/issue/267"}), // TODO(b/118904897)
325: syscalls.PartiallySupported("mlock2", Mlock2, "Stub implementation. The sandbox lacks appropriate permissions.", nil),
// Syscalls 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),
332: syscalls.Supported("statx", Statx),
},
Emulate: map[usermem.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
},
}
|
